a7f49ac9a1
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1494 lines
52 KiB
C++
1494 lines
52 KiB
C++
/*************************************************************************/
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/* cpu_particles_2d.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "cpu_particles_2d.h"
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#include "scene/2d/canvas_item.h"
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#include "scene/2d/particles_2d.h"
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#include "scene/resources/particles_material.h"
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#include "servers/visual_server.h"
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void CPUParticles2D::set_emitting(bool p_emitting) {
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if (emitting == p_emitting)
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return;
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emitting = p_emitting;
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if (emitting)
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set_process_internal(true);
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}
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void CPUParticles2D::set_amount(int p_amount) {
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ERR_FAIL_COND_MSG(p_amount < 1, "Amount of particles must be greater than 0.");
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particles.resize(p_amount);
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{
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PoolVector<Particle>::Write w = particles.write();
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for (int i = 0; i < p_amount; i++) {
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w[i].active = false;
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}
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}
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particle_data.resize((8 + 4 + 1) * p_amount);
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VS::get_singleton()->multimesh_allocate(multimesh, p_amount, VS::MULTIMESH_TRANSFORM_2D, VS::MULTIMESH_COLOR_8BIT, VS::MULTIMESH_CUSTOM_DATA_FLOAT);
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particle_order.resize(p_amount);
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}
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void CPUParticles2D::set_lifetime(float p_lifetime) {
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ERR_FAIL_COND_MSG(p_lifetime <= 0, "Particles lifetime must be greater than 0.");
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lifetime = p_lifetime;
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}
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void CPUParticles2D::set_one_shot(bool p_one_shot) {
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one_shot = p_one_shot;
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}
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void CPUParticles2D::set_pre_process_time(float p_time) {
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pre_process_time = p_time;
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}
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void CPUParticles2D::set_explosiveness_ratio(float p_ratio) {
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explosiveness_ratio = p_ratio;
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}
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void CPUParticles2D::set_randomness_ratio(float p_ratio) {
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randomness_ratio = p_ratio;
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}
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void CPUParticles2D::set_lifetime_randomness(float p_random) {
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lifetime_randomness = p_random;
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}
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void CPUParticles2D::set_use_local_coordinates(bool p_enable) {
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local_coords = p_enable;
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set_notify_transform(!p_enable);
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}
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void CPUParticles2D::set_speed_scale(float p_scale) {
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speed_scale = p_scale;
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}
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bool CPUParticles2D::is_emitting() const {
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return emitting;
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}
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int CPUParticles2D::get_amount() const {
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return particles.size();
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}
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float CPUParticles2D::get_lifetime() const {
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return lifetime;
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}
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bool CPUParticles2D::get_one_shot() const {
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return one_shot;
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}
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float CPUParticles2D::get_pre_process_time() const {
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return pre_process_time;
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}
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float CPUParticles2D::get_explosiveness_ratio() const {
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return explosiveness_ratio;
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}
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float CPUParticles2D::get_randomness_ratio() const {
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return randomness_ratio;
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}
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float CPUParticles2D::get_lifetime_randomness() const {
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return lifetime_randomness;
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}
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bool CPUParticles2D::get_use_local_coordinates() const {
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return local_coords;
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}
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float CPUParticles2D::get_speed_scale() const {
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return speed_scale;
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}
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void CPUParticles2D::set_draw_order(DrawOrder p_order) {
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draw_order = p_order;
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}
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CPUParticles2D::DrawOrder CPUParticles2D::get_draw_order() const {
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return draw_order;
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}
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void CPUParticles2D::_update_mesh_texture() {
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Size2 tex_size;
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if (texture.is_valid()) {
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tex_size = texture->get_size();
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} else {
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tex_size = Size2(1, 1);
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}
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PoolVector<Vector2> vertices;
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vertices.push_back(-tex_size * 0.5);
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vertices.push_back(-tex_size * 0.5 + Vector2(tex_size.x, 0));
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vertices.push_back(-tex_size * 0.5 + Vector2(tex_size.x, tex_size.y));
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vertices.push_back(-tex_size * 0.5 + Vector2(0, tex_size.y));
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PoolVector<Vector2> uvs;
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uvs.push_back(Vector2(0, 0));
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uvs.push_back(Vector2(1, 0));
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uvs.push_back(Vector2(1, 1));
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uvs.push_back(Vector2(0, 1));
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PoolVector<Color> colors;
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colors.push_back(Color(1, 1, 1, 1));
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colors.push_back(Color(1, 1, 1, 1));
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colors.push_back(Color(1, 1, 1, 1));
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colors.push_back(Color(1, 1, 1, 1));
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PoolVector<int> indices;
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indices.push_back(0);
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indices.push_back(1);
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indices.push_back(2);
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indices.push_back(2);
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indices.push_back(3);
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indices.push_back(0);
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Array arr;
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arr.resize(VS::ARRAY_MAX);
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arr[VS::ARRAY_VERTEX] = vertices;
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arr[VS::ARRAY_TEX_UV] = uvs;
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arr[VS::ARRAY_COLOR] = colors;
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arr[VS::ARRAY_INDEX] = indices;
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VS::get_singleton()->mesh_clear(mesh);
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VS::get_singleton()->mesh_add_surface_from_arrays(mesh, VS::PRIMITIVE_TRIANGLES, arr);
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}
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void CPUParticles2D::set_texture(const Ref<Texture> &p_texture) {
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texture = p_texture;
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update();
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_update_mesh_texture();
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}
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Ref<Texture> CPUParticles2D::get_texture() const {
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return texture;
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}
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void CPUParticles2D::set_normalmap(const Ref<Texture> &p_normalmap) {
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normalmap = p_normalmap;
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update();
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}
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Ref<Texture> CPUParticles2D::get_normalmap() const {
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return normalmap;
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}
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void CPUParticles2D::set_fixed_fps(int p_count) {
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fixed_fps = p_count;
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}
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int CPUParticles2D::get_fixed_fps() const {
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return fixed_fps;
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}
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void CPUParticles2D::set_fractional_delta(bool p_enable) {
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fractional_delta = p_enable;
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}
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bool CPUParticles2D::get_fractional_delta() const {
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return fractional_delta;
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}
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String CPUParticles2D::get_configuration_warning() const {
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String warnings;
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CanvasItemMaterial *mat = Object::cast_to<CanvasItemMaterial>(get_material().ptr());
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if (get_material().is_null() || (mat && !mat->get_particles_animation())) {
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if (get_param(PARAM_ANIM_SPEED) != 0.0 || get_param(PARAM_ANIM_OFFSET) != 0.0 ||
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get_param_curve(PARAM_ANIM_SPEED).is_valid() || get_param_curve(PARAM_ANIM_OFFSET).is_valid()) {
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if (warnings != String())
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warnings += "\n";
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warnings += "- " + TTR("CPUParticles2D animation requires the usage of a CanvasItemMaterial with \"Particles Animation\" enabled.");
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}
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}
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return warnings;
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}
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void CPUParticles2D::restart() {
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time = 0;
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inactive_time = 0;
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frame_remainder = 0;
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cycle = 0;
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emitting = false;
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{
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int pc = particles.size();
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PoolVector<Particle>::Write w = particles.write();
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for (int i = 0; i < pc; i++) {
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w[i].active = false;
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}
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}
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set_emitting(true);
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}
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void CPUParticles2D::set_direction(Vector2 p_direction) {
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direction = p_direction;
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}
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Vector2 CPUParticles2D::get_direction() const {
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return direction;
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}
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void CPUParticles2D::set_spread(float p_spread) {
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spread = p_spread;
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}
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float CPUParticles2D::get_spread() const {
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return spread;
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}
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void CPUParticles2D::set_flatness(float p_flatness) {
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flatness = p_flatness;
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}
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float CPUParticles2D::get_flatness() const {
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return flatness;
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}
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void CPUParticles2D::set_param(Parameter p_param, float p_value) {
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ERR_FAIL_INDEX(p_param, PARAM_MAX);
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parameters[p_param] = p_value;
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}
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float CPUParticles2D::get_param(Parameter p_param) const {
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ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0);
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return parameters[p_param];
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}
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void CPUParticles2D::set_param_randomness(Parameter p_param, float p_value) {
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ERR_FAIL_INDEX(p_param, PARAM_MAX);
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randomness[p_param] = p_value;
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}
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float CPUParticles2D::get_param_randomness(Parameter p_param) const {
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ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0);
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return randomness[p_param];
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}
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static void _adjust_curve_range(const Ref<Curve> &p_curve, float p_min, float p_max) {
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Ref<Curve> curve = p_curve;
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if (!curve.is_valid())
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return;
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curve->ensure_default_setup(p_min, p_max);
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}
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void CPUParticles2D::set_param_curve(Parameter p_param, const Ref<Curve> &p_curve) {
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ERR_FAIL_INDEX(p_param, PARAM_MAX);
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curve_parameters[p_param] = p_curve;
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switch (p_param) {
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case PARAM_INITIAL_LINEAR_VELOCITY: {
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//do none for this one
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} break;
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case PARAM_ANGULAR_VELOCITY: {
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_adjust_curve_range(p_curve, -360, 360);
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} break;
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case PARAM_ORBIT_VELOCITY: {
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_adjust_curve_range(p_curve, -500, 500);
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} break;
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case PARAM_LINEAR_ACCEL: {
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_adjust_curve_range(p_curve, -200, 200);
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} break;
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case PARAM_RADIAL_ACCEL: {
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_adjust_curve_range(p_curve, -200, 200);
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} break;
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case PARAM_TANGENTIAL_ACCEL: {
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_adjust_curve_range(p_curve, -200, 200);
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} break;
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case PARAM_DAMPING: {
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_adjust_curve_range(p_curve, 0, 100);
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} break;
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case PARAM_ANGLE: {
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_adjust_curve_range(p_curve, -360, 360);
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} break;
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case PARAM_SCALE: {
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} break;
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case PARAM_HUE_VARIATION: {
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_adjust_curve_range(p_curve, -1, 1);
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} break;
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case PARAM_ANIM_SPEED: {
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_adjust_curve_range(p_curve, 0, 200);
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} break;
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case PARAM_ANIM_OFFSET: {
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} break;
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default: {
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}
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}
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}
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Ref<Curve> CPUParticles2D::get_param_curve(Parameter p_param) const {
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ERR_FAIL_INDEX_V(p_param, PARAM_MAX, Ref<Curve>());
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return curve_parameters[p_param];
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}
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void CPUParticles2D::set_color(const Color &p_color) {
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color = p_color;
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}
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Color CPUParticles2D::get_color() const {
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return color;
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}
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void CPUParticles2D::set_color_ramp(const Ref<Gradient> &p_ramp) {
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color_ramp = p_ramp;
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}
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Ref<Gradient> CPUParticles2D::get_color_ramp() const {
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return color_ramp;
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}
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void CPUParticles2D::set_particle_flag(Flags p_flag, bool p_enable) {
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ERR_FAIL_INDEX(p_flag, FLAG_MAX);
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flags[p_flag] = p_enable;
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}
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bool CPUParticles2D::get_particle_flag(Flags p_flag) const {
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ERR_FAIL_INDEX_V(p_flag, FLAG_MAX, false);
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return flags[p_flag];
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}
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void CPUParticles2D::set_emission_shape(EmissionShape p_shape) {
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emission_shape = p_shape;
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_change_notify();
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}
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void CPUParticles2D::set_emission_sphere_radius(float p_radius) {
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emission_sphere_radius = p_radius;
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}
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void CPUParticles2D::set_emission_rect_extents(Vector2 p_extents) {
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emission_rect_extents = p_extents;
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}
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void CPUParticles2D::set_emission_points(const PoolVector<Vector2> &p_points) {
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emission_points = p_points;
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}
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void CPUParticles2D::set_emission_normals(const PoolVector<Vector2> &p_normals) {
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emission_normals = p_normals;
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}
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void CPUParticles2D::set_emission_colors(const PoolVector<Color> &p_colors) {
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emission_colors = p_colors;
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}
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float CPUParticles2D::get_emission_sphere_radius() const {
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return emission_sphere_radius;
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}
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Vector2 CPUParticles2D::get_emission_rect_extents() const {
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return emission_rect_extents;
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}
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PoolVector<Vector2> CPUParticles2D::get_emission_points() const {
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return emission_points;
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}
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PoolVector<Vector2> CPUParticles2D::get_emission_normals() const {
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return emission_normals;
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}
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PoolVector<Color> CPUParticles2D::get_emission_colors() const {
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return emission_colors;
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}
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CPUParticles2D::EmissionShape CPUParticles2D::get_emission_shape() const {
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return emission_shape;
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}
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void CPUParticles2D::set_gravity(const Vector2 &p_gravity) {
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gravity = p_gravity;
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}
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Vector2 CPUParticles2D::get_gravity() const {
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return gravity;
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}
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void CPUParticles2D::_validate_property(PropertyInfo &property) const {
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if (property.name == "color" && color_ramp.is_valid()) {
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property.usage = 0;
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}
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if (property.name == "emission_sphere_radius" && emission_shape != EMISSION_SHAPE_SPHERE) {
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property.usage = 0;
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}
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if (property.name == "emission_rect_extents" && emission_shape != EMISSION_SHAPE_RECTANGLE) {
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property.usage = 0;
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}
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if ((property.name == "emission_point_texture" || property.name == "emission_color_texture") && (emission_shape < EMISSION_SHAPE_POINTS)) {
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property.usage = 0;
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}
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if (property.name == "emission_normals" && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) {
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property.usage = 0;
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}
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if (property.name == "emission_points" && emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) {
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property.usage = 0;
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}
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if (property.name == "emission_colors" && emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) {
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property.usage = 0;
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}
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}
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static uint32_t idhash(uint32_t x) {
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x = ((x >> uint32_t(16)) ^ x) * uint32_t(0x45d9f3b);
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x = ((x >> uint32_t(16)) ^ x) * uint32_t(0x45d9f3b);
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x = (x >> uint32_t(16)) ^ x;
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return x;
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}
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static float rand_from_seed(uint32_t &seed) {
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int k;
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int s = int(seed);
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if (s == 0)
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s = 305420679;
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k = s / 127773;
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s = 16807 * (s - k * 127773) - 2836 * k;
|
|
if (s < 0)
|
|
s += 2147483647;
|
|
seed = uint32_t(s);
|
|
return float(seed % uint32_t(65536)) / 65535.0;
|
|
}
|
|
|
|
void CPUParticles2D::_update_internal() {
|
|
|
|
if (particles.size() == 0 || !is_visible_in_tree()) {
|
|
_set_redraw(false);
|
|
return;
|
|
}
|
|
|
|
float delta = get_process_delta_time();
|
|
if (emitting) {
|
|
inactive_time = 0;
|
|
} else {
|
|
inactive_time += delta;
|
|
if (inactive_time > lifetime * 1.2) {
|
|
set_process_internal(false);
|
|
_set_redraw(false);
|
|
|
|
//reset variables
|
|
time = 0;
|
|
inactive_time = 0;
|
|
frame_remainder = 0;
|
|
cycle = 0;
|
|
return;
|
|
}
|
|
}
|
|
_set_redraw(true);
|
|
|
|
if (time == 0 && pre_process_time > 0.0) {
|
|
|
|
float frame_time;
|
|
if (fixed_fps > 0)
|
|
frame_time = 1.0 / fixed_fps;
|
|
else
|
|
frame_time = 1.0 / 30.0;
|
|
|
|
float todo = pre_process_time;
|
|
|
|
while (todo >= 0) {
|
|
_particles_process(frame_time);
|
|
todo -= frame_time;
|
|
}
|
|
}
|
|
|
|
if (fixed_fps > 0) {
|
|
float frame_time = 1.0 / fixed_fps;
|
|
float decr = frame_time;
|
|
|
|
float ldelta = delta;
|
|
if (ldelta > 0.1) { //avoid recursive stalls if fps goes below 10
|
|
ldelta = 0.1;
|
|
} else if (ldelta <= 0.0) { //unlikely but..
|
|
ldelta = 0.001;
|
|
}
|
|
float todo = frame_remainder + ldelta;
|
|
|
|
while (todo >= frame_time) {
|
|
_particles_process(frame_time);
|
|
todo -= decr;
|
|
}
|
|
|
|
frame_remainder = todo;
|
|
|
|
} else {
|
|
_particles_process(delta);
|
|
}
|
|
|
|
_update_particle_data_buffer();
|
|
}
|
|
|
|
void CPUParticles2D::_particles_process(float p_delta) {
|
|
|
|
p_delta *= speed_scale;
|
|
|
|
int pcount = particles.size();
|
|
PoolVector<Particle>::Write w = particles.write();
|
|
|
|
Particle *parray = w.ptr();
|
|
|
|
float prev_time = time;
|
|
time += p_delta;
|
|
if (time > lifetime) {
|
|
time = Math::fmod(time, lifetime);
|
|
cycle++;
|
|
if (one_shot && cycle > 0) {
|
|
set_emitting(false);
|
|
_change_notify();
|
|
}
|
|
}
|
|
|
|
Transform2D emission_xform;
|
|
Transform2D velocity_xform;
|
|
if (!local_coords) {
|
|
emission_xform = get_global_transform();
|
|
velocity_xform = emission_xform;
|
|
velocity_xform[2] = Vector2();
|
|
}
|
|
|
|
float system_phase = time / lifetime;
|
|
|
|
for (int i = 0; i < pcount; i++) {
|
|
|
|
Particle &p = parray[i];
|
|
|
|
if (!emitting && !p.active)
|
|
continue;
|
|
|
|
float local_delta = p_delta;
|
|
|
|
// The phase is a ratio between 0 (birth) and 1 (end of life) for each particle.
|
|
// While we use time in tests later on, for randomness we use the phase as done in the
|
|
// original shader code, and we later multiply by lifetime to get the time.
|
|
float restart_phase = float(i) / float(pcount);
|
|
|
|
if (randomness_ratio > 0.0) {
|
|
uint32_t seed = cycle;
|
|
if (restart_phase >= system_phase) {
|
|
seed -= uint32_t(1);
|
|
}
|
|
seed *= uint32_t(pcount);
|
|
seed += uint32_t(i);
|
|
float random = float(idhash(seed) % uint32_t(65536)) / 65536.0;
|
|
restart_phase += randomness_ratio * random * 1.0 / float(pcount);
|
|
}
|
|
|
|
restart_phase *= (1.0 - explosiveness_ratio);
|
|
float restart_time = restart_phase * lifetime;
|
|
bool restart = false;
|
|
|
|
if (time > prev_time) {
|
|
// restart_time >= prev_time is used so particles emit in the first frame they are processed
|
|
|
|
if (restart_time >= prev_time && restart_time < time) {
|
|
restart = true;
|
|
if (fractional_delta) {
|
|
local_delta = time - restart_time;
|
|
}
|
|
}
|
|
|
|
} else if (local_delta > 0.0) {
|
|
if (restart_time >= prev_time) {
|
|
restart = true;
|
|
if (fractional_delta) {
|
|
local_delta = lifetime - restart_time + time;
|
|
}
|
|
|
|
} else if (restart_time < time) {
|
|
restart = true;
|
|
if (fractional_delta) {
|
|
local_delta = time - restart_time;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (p.time * (1.0 - explosiveness_ratio) > p.lifetime) {
|
|
restart = true;
|
|
}
|
|
|
|
if (restart) {
|
|
|
|
if (!emitting) {
|
|
p.active = false;
|
|
continue;
|
|
}
|
|
p.active = true;
|
|
|
|
/*float tex_linear_velocity = 0;
|
|
if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
|
|
tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(0);
|
|
}*/
|
|
|
|
float tex_angle = 0.0;
|
|
if (curve_parameters[PARAM_ANGLE].is_valid()) {
|
|
tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(0);
|
|
}
|
|
|
|
float tex_anim_offset = 0.0;
|
|
if (curve_parameters[PARAM_ANGLE].is_valid()) {
|
|
tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(0);
|
|
}
|
|
|
|
p.seed = Math::rand();
|
|
|
|
p.angle_rand = Math::randf();
|
|
p.scale_rand = Math::randf();
|
|
p.hue_rot_rand = Math::randf();
|
|
p.anim_offset_rand = Math::randf();
|
|
|
|
float angle1_rad = Math::atan2(direction.y, direction.x) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
|
|
Vector2 rot = Vector2(Math::cos(angle1_rad), Math::sin(angle1_rad));
|
|
p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp(1.0f, float(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]);
|
|
|
|
float base_angle = (parameters[PARAM_ANGLE] + tex_angle) * Math::lerp(1.0f, p.angle_rand, randomness[PARAM_ANGLE]);
|
|
p.rotation = Math::deg2rad(base_angle);
|
|
|
|
p.custom[0] = 0.0; // unused
|
|
p.custom[1] = 0.0; // phase [0..1]
|
|
p.custom[2] = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp(1.0f, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]); //animation phase [0..1]
|
|
p.custom[3] = 0.0;
|
|
p.transform = Transform2D();
|
|
p.time = 0;
|
|
p.lifetime = lifetime * (1.0 - Math::randf() * lifetime_randomness);
|
|
p.base_color = Color(1, 1, 1, 1);
|
|
|
|
switch (emission_shape) {
|
|
case EMISSION_SHAPE_POINT: {
|
|
//do none
|
|
} break;
|
|
case EMISSION_SHAPE_SPHERE: {
|
|
float s = Math::randf(), t = 2.0 * Math_PI * Math::randf();
|
|
float radius = emission_sphere_radius * Math::sqrt(1.0 - s * s);
|
|
p.transform[2] = Vector2(Math::cos(t), Math::sin(t)) * radius;
|
|
} break;
|
|
case EMISSION_SHAPE_RECTANGLE: {
|
|
p.transform[2] = Vector2(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0) * emission_rect_extents;
|
|
} break;
|
|
case EMISSION_SHAPE_POINTS:
|
|
case EMISSION_SHAPE_DIRECTED_POINTS: {
|
|
|
|
int pc = emission_points.size();
|
|
if (pc == 0)
|
|
break;
|
|
|
|
int random_idx = Math::rand() % pc;
|
|
|
|
p.transform[2] = emission_points.get(random_idx);
|
|
|
|
if (emission_shape == EMISSION_SHAPE_DIRECTED_POINTS && emission_normals.size() == pc) {
|
|
p.velocity = emission_normals.get(random_idx);
|
|
}
|
|
|
|
if (emission_colors.size() == pc) {
|
|
p.base_color = emission_colors.get(random_idx);
|
|
}
|
|
} break;
|
|
}
|
|
|
|
if (!local_coords) {
|
|
p.velocity = velocity_xform.xform(p.velocity);
|
|
p.transform = emission_xform * p.transform;
|
|
}
|
|
|
|
} else if (!p.active) {
|
|
continue;
|
|
} else if (p.time > p.lifetime) {
|
|
p.active = false;
|
|
} else {
|
|
|
|
uint32_t alt_seed = p.seed;
|
|
|
|
p.time += local_delta;
|
|
p.custom[1] = p.time / lifetime;
|
|
|
|
float tex_linear_velocity = 0.0;
|
|
if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
|
|
tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_orbit_velocity = 0.0;
|
|
if (curve_parameters[PARAM_ORBIT_VELOCITY].is_valid()) {
|
|
tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_angular_velocity = 0.0;
|
|
if (curve_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) {
|
|
tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_linear_accel = 0.0;
|
|
if (curve_parameters[PARAM_LINEAR_ACCEL].is_valid()) {
|
|
tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_tangential_accel = 0.0;
|
|
if (curve_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) {
|
|
tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_radial_accel = 0.0;
|
|
if (curve_parameters[PARAM_RADIAL_ACCEL].is_valid()) {
|
|
tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_damping = 0.0;
|
|
if (curve_parameters[PARAM_DAMPING].is_valid()) {
|
|
tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_angle = 0.0;
|
|
if (curve_parameters[PARAM_ANGLE].is_valid()) {
|
|
tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(p.custom[1]);
|
|
}
|
|
float tex_anim_speed = 0.0;
|
|
if (curve_parameters[PARAM_ANIM_SPEED].is_valid()) {
|
|
tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_anim_offset = 0.0;
|
|
if (curve_parameters[PARAM_ANIM_OFFSET].is_valid()) {
|
|
tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
Vector2 force = gravity;
|
|
Vector2 pos = p.transform[2];
|
|
|
|
//apply linear acceleration
|
|
force += p.velocity.length() > 0.0 ? p.velocity.normalized() * (parameters[PARAM_LINEAR_ACCEL] + tex_linear_accel) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_LINEAR_ACCEL]) : Vector2();
|
|
//apply radial acceleration
|
|
Vector2 org = emission_xform[2];
|
|
Vector2 diff = pos - org;
|
|
force += diff.length() > 0.0 ? diff.normalized() * (parameters[PARAM_RADIAL_ACCEL] + tex_radial_accel) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_RADIAL_ACCEL]) : Vector2();
|
|
//apply tangential acceleration;
|
|
Vector2 yx = Vector2(diff.y, diff.x);
|
|
force += yx.length() > 0.0 ? (yx * Vector2(-1.0, 1.0)).normalized() * ((parameters[PARAM_TANGENTIAL_ACCEL] + tex_tangential_accel) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_TANGENTIAL_ACCEL])) : Vector2();
|
|
//apply attractor forces
|
|
p.velocity += force * local_delta;
|
|
//orbit velocity
|
|
float orbit_amount = (parameters[PARAM_ORBIT_VELOCITY] + tex_orbit_velocity) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_ORBIT_VELOCITY]);
|
|
if (orbit_amount != 0.0) {
|
|
float ang = orbit_amount * local_delta * Math_PI * 2.0;
|
|
// Not sure why the ParticlesMaterial code uses a clockwise rotation matrix,
|
|
// but we use -ang here to reproduce its behavior.
|
|
Transform2D rot = Transform2D(-ang, Vector2());
|
|
p.transform[2] -= diff;
|
|
p.transform[2] += rot.basis_xform(diff);
|
|
}
|
|
if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
|
|
p.velocity = p.velocity.normalized() * tex_linear_velocity;
|
|
}
|
|
|
|
if (parameters[PARAM_DAMPING] + tex_damping > 0.0) {
|
|
|
|
float v = p.velocity.length();
|
|
float damp = (parameters[PARAM_DAMPING] + tex_damping) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_DAMPING]);
|
|
v -= damp * local_delta;
|
|
if (v < 0.0) {
|
|
p.velocity = Vector2();
|
|
} else {
|
|
p.velocity = p.velocity.normalized() * v;
|
|
}
|
|
}
|
|
float base_angle = (parameters[PARAM_ANGLE] + tex_angle) * Math::lerp(1.0f, p.angle_rand, randomness[PARAM_ANGLE]);
|
|
base_angle += p.custom[1] * lifetime * (parameters[PARAM_ANGULAR_VELOCITY] + tex_angular_velocity) * Math::lerp(1.0f, rand_from_seed(alt_seed) * 2.0f - 1.0f, randomness[PARAM_ANGULAR_VELOCITY]);
|
|
p.rotation = Math::deg2rad(base_angle); //angle
|
|
float animation_phase = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp(1.0f, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]) + p.custom[1] * (parameters[PARAM_ANIM_SPEED] + tex_anim_speed) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_ANIM_SPEED]);
|
|
p.custom[2] = animation_phase;
|
|
}
|
|
//apply color
|
|
//apply hue rotation
|
|
|
|
float tex_scale = 1.0;
|
|
if (curve_parameters[PARAM_SCALE].is_valid()) {
|
|
tex_scale = curve_parameters[PARAM_SCALE]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float tex_hue_variation = 0.0;
|
|
if (curve_parameters[PARAM_HUE_VARIATION].is_valid()) {
|
|
tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(p.custom[1]);
|
|
}
|
|
|
|
float hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_PI * 2.0 * Math::lerp(1.0f, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]);
|
|
float hue_rot_c = Math::cos(hue_rot_angle);
|
|
float hue_rot_s = Math::sin(hue_rot_angle);
|
|
|
|
Basis hue_rot_mat;
|
|
{
|
|
Basis mat1(0.299, 0.587, 0.114, 0.299, 0.587, 0.114, 0.299, 0.587, 0.114);
|
|
Basis mat2(0.701, -0.587, -0.114, -0.299, 0.413, -0.114, -0.300, -0.588, 0.886);
|
|
Basis mat3(0.168, 0.330, -0.497, -0.328, 0.035, 0.292, 1.250, -1.050, -0.203);
|
|
|
|
for (int j = 0; j < 3; j++) {
|
|
hue_rot_mat[j] = mat1[j] + mat2[j] * hue_rot_c + mat3[j] * hue_rot_s;
|
|
}
|
|
}
|
|
|
|
if (color_ramp.is_valid()) {
|
|
p.color = color_ramp->get_color_at_offset(p.custom[1]) * color;
|
|
} else {
|
|
p.color = color;
|
|
}
|
|
|
|
Vector3 color_rgb = hue_rot_mat.xform_inv(Vector3(p.color.r, p.color.g, p.color.b));
|
|
p.color.r = color_rgb.x;
|
|
p.color.g = color_rgb.y;
|
|
p.color.b = color_rgb.z;
|
|
|
|
p.color *= p.base_color;
|
|
|
|
if (flags[FLAG_ALIGN_Y_TO_VELOCITY]) {
|
|
if (p.velocity.length() > 0.0) {
|
|
|
|
p.transform.elements[1] = p.velocity.normalized();
|
|
p.transform.elements[0] = p.transform.elements[1].tangent();
|
|
}
|
|
|
|
} else {
|
|
p.transform.elements[0] = Vector2(Math::cos(p.rotation), -Math::sin(p.rotation));
|
|
p.transform.elements[1] = Vector2(Math::sin(p.rotation), Math::cos(p.rotation));
|
|
}
|
|
|
|
//scale by scale
|
|
float base_scale = tex_scale * Math::lerp(parameters[PARAM_SCALE], 1.0f, p.scale_rand * randomness[PARAM_SCALE]);
|
|
if (base_scale < 0.000001) base_scale = 0.000001;
|
|
|
|
p.transform.elements[0] *= base_scale;
|
|
p.transform.elements[1] *= base_scale;
|
|
|
|
p.transform[2] += p.velocity * local_delta;
|
|
}
|
|
}
|
|
|
|
void CPUParticles2D::_update_particle_data_buffer() {
|
|
#ifndef NO_THREADS
|
|
update_mutex->lock();
|
|
#endif
|
|
|
|
{
|
|
|
|
int pc = particles.size();
|
|
|
|
PoolVector<int>::Write ow;
|
|
int *order = NULL;
|
|
|
|
PoolVector<float>::Write w = particle_data.write();
|
|
PoolVector<Particle>::Read r = particles.read();
|
|
float *ptr = w.ptr();
|
|
|
|
if (draw_order != DRAW_ORDER_INDEX) {
|
|
ow = particle_order.write();
|
|
order = ow.ptr();
|
|
|
|
for (int i = 0; i < pc; i++) {
|
|
order[i] = i;
|
|
}
|
|
if (draw_order == DRAW_ORDER_LIFETIME) {
|
|
SortArray<int, SortLifetime> sorter;
|
|
sorter.compare.particles = r.ptr();
|
|
sorter.sort(order, pc);
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < pc; i++) {
|
|
|
|
int idx = order ? order[i] : i;
|
|
|
|
Transform2D t = r[idx].transform;
|
|
|
|
if (!local_coords) {
|
|
t = inv_emission_transform * t;
|
|
}
|
|
|
|
if (r[idx].active) {
|
|
|
|
ptr[0] = t.elements[0][0];
|
|
ptr[1] = t.elements[1][0];
|
|
ptr[2] = 0;
|
|
ptr[3] = t.elements[2][0];
|
|
ptr[4] = t.elements[0][1];
|
|
ptr[5] = t.elements[1][1];
|
|
ptr[6] = 0;
|
|
ptr[7] = t.elements[2][1];
|
|
|
|
} else {
|
|
zeromem(ptr, sizeof(float) * 8);
|
|
}
|
|
|
|
Color c = r[idx].color;
|
|
uint8_t *data8 = (uint8_t *)&ptr[8];
|
|
data8[0] = CLAMP(c.r * 255.0, 0, 255);
|
|
data8[1] = CLAMP(c.g * 255.0, 0, 255);
|
|
data8[2] = CLAMP(c.b * 255.0, 0, 255);
|
|
data8[3] = CLAMP(c.a * 255.0, 0, 255);
|
|
|
|
ptr[9] = r[idx].custom[0];
|
|
ptr[10] = r[idx].custom[1];
|
|
ptr[11] = r[idx].custom[2];
|
|
ptr[12] = r[idx].custom[3];
|
|
|
|
ptr += 13;
|
|
}
|
|
}
|
|
|
|
#ifndef NO_THREADS
|
|
update_mutex->unlock();
|
|
#endif
|
|
}
|
|
|
|
void CPUParticles2D::_set_redraw(bool p_redraw) {
|
|
if (redraw == p_redraw)
|
|
return;
|
|
redraw = p_redraw;
|
|
#ifndef NO_THREADS
|
|
update_mutex->lock();
|
|
#endif
|
|
if (redraw) {
|
|
VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
|
|
VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true);
|
|
|
|
VS::get_singleton()->multimesh_set_visible_instances(multimesh, -1);
|
|
} else {
|
|
if (VS::get_singleton()->is_connected("frame_pre_draw", this, "_update_render_thread")) {
|
|
VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
|
|
}
|
|
VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false);
|
|
|
|
VS::get_singleton()->multimesh_set_visible_instances(multimesh, 0);
|
|
}
|
|
#ifndef NO_THREADS
|
|
update_mutex->unlock();
|
|
#endif
|
|
update(); // redraw to update render list
|
|
}
|
|
|
|
void CPUParticles2D::_update_render_thread() {
|
|
|
|
#ifndef NO_THREADS
|
|
update_mutex->lock();
|
|
#endif
|
|
|
|
VS::get_singleton()->multimesh_set_as_bulk_array(multimesh, particle_data);
|
|
|
|
#ifndef NO_THREADS
|
|
update_mutex->unlock();
|
|
#endif
|
|
}
|
|
|
|
void CPUParticles2D::_notification(int p_what) {
|
|
|
|
if (p_what == NOTIFICATION_ENTER_TREE) {
|
|
set_process_internal(emitting);
|
|
}
|
|
|
|
if (p_what == NOTIFICATION_EXIT_TREE) {
|
|
_set_redraw(false);
|
|
}
|
|
|
|
if (p_what == NOTIFICATION_DRAW) {
|
|
// first update before rendering to avoid one frame delay after emitting starts
|
|
if (emitting && (time == 0))
|
|
_update_internal();
|
|
|
|
if (!redraw)
|
|
return; // don't add to render list
|
|
|
|
RID texrid;
|
|
if (texture.is_valid()) {
|
|
texrid = texture->get_rid();
|
|
}
|
|
|
|
RID normrid;
|
|
if (normalmap.is_valid()) {
|
|
normrid = normalmap->get_rid();
|
|
}
|
|
|
|
VS::get_singleton()->canvas_item_add_multimesh(get_canvas_item(), multimesh, texrid, normrid);
|
|
}
|
|
|
|
if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
|
|
_update_internal();
|
|
}
|
|
|
|
if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
|
|
|
|
inv_emission_transform = get_global_transform().affine_inverse();
|
|
|
|
if (!local_coords) {
|
|
|
|
int pc = particles.size();
|
|
|
|
PoolVector<float>::Write w = particle_data.write();
|
|
PoolVector<Particle>::Read r = particles.read();
|
|
float *ptr = w.ptr();
|
|
|
|
for (int i = 0; i < pc; i++) {
|
|
|
|
Transform2D t = inv_emission_transform * r[i].transform;
|
|
|
|
if (r[i].active) {
|
|
|
|
ptr[0] = t.elements[0][0];
|
|
ptr[1] = t.elements[1][0];
|
|
ptr[2] = 0;
|
|
ptr[3] = t.elements[2][0];
|
|
ptr[4] = t.elements[0][1];
|
|
ptr[5] = t.elements[1][1];
|
|
ptr[6] = 0;
|
|
ptr[7] = t.elements[2][1];
|
|
|
|
} else {
|
|
zeromem(ptr, sizeof(float) * 8);
|
|
}
|
|
|
|
ptr += 13;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CPUParticles2D::convert_from_particles(Node *p_particles) {
|
|
|
|
Particles2D *particles = Object::cast_to<Particles2D>(p_particles);
|
|
ERR_FAIL_COND_MSG(!particles, "Only Particles2D nodes can be converted to CPUParticles2D.");
|
|
|
|
set_emitting(particles->is_emitting());
|
|
set_amount(particles->get_amount());
|
|
set_lifetime(particles->get_lifetime());
|
|
set_one_shot(particles->get_one_shot());
|
|
set_pre_process_time(particles->get_pre_process_time());
|
|
set_explosiveness_ratio(particles->get_explosiveness_ratio());
|
|
set_randomness_ratio(particles->get_randomness_ratio());
|
|
set_use_local_coordinates(particles->get_use_local_coordinates());
|
|
set_fixed_fps(particles->get_fixed_fps());
|
|
set_fractional_delta(particles->get_fractional_delta());
|
|
set_speed_scale(particles->get_speed_scale());
|
|
set_draw_order(DrawOrder(particles->get_draw_order()));
|
|
set_texture(particles->get_texture());
|
|
|
|
Ref<Material> mat = particles->get_material();
|
|
if (mat.is_valid()) {
|
|
set_material(mat);
|
|
}
|
|
|
|
Ref<ParticlesMaterial> material = particles->get_process_material();
|
|
if (material.is_null())
|
|
return;
|
|
|
|
Vector3 dir = material->get_direction();
|
|
set_direction(Vector2(dir.x, dir.y));
|
|
set_spread(material->get_spread());
|
|
set_flatness(material->get_flatness());
|
|
|
|
set_color(material->get_color());
|
|
|
|
Ref<GradientTexture> gt = material->get_color_ramp();
|
|
if (gt.is_valid()) {
|
|
set_color_ramp(gt->get_gradient());
|
|
}
|
|
|
|
set_particle_flag(FLAG_ALIGN_Y_TO_VELOCITY, material->get_flag(ParticlesMaterial::FLAG_ALIGN_Y_TO_VELOCITY));
|
|
|
|
set_emission_shape(EmissionShape(material->get_emission_shape()));
|
|
set_emission_sphere_radius(material->get_emission_sphere_radius());
|
|
Vector2 rect_extents = Vector2(material->get_emission_box_extents().x, material->get_emission_box_extents().y);
|
|
set_emission_rect_extents(rect_extents);
|
|
|
|
Vector2 gravity = Vector2(material->get_gravity().x, material->get_gravity().y);
|
|
set_gravity(gravity);
|
|
set_lifetime_randomness(material->get_lifetime_randomness());
|
|
|
|
#define CONVERT_PARAM(m_param) \
|
|
set_param(m_param, material->get_param(ParticlesMaterial::m_param)); \
|
|
{ \
|
|
Ref<CurveTexture> ctex = material->get_param_texture(ParticlesMaterial::m_param); \
|
|
if (ctex.is_valid()) set_param_curve(m_param, ctex->get_curve()); \
|
|
} \
|
|
set_param_randomness(m_param, material->get_param_randomness(ParticlesMaterial::m_param));
|
|
|
|
CONVERT_PARAM(PARAM_INITIAL_LINEAR_VELOCITY);
|
|
CONVERT_PARAM(PARAM_ANGULAR_VELOCITY);
|
|
CONVERT_PARAM(PARAM_ORBIT_VELOCITY);
|
|
CONVERT_PARAM(PARAM_LINEAR_ACCEL);
|
|
CONVERT_PARAM(PARAM_RADIAL_ACCEL);
|
|
CONVERT_PARAM(PARAM_TANGENTIAL_ACCEL);
|
|
CONVERT_PARAM(PARAM_DAMPING);
|
|
CONVERT_PARAM(PARAM_ANGLE);
|
|
CONVERT_PARAM(PARAM_SCALE);
|
|
CONVERT_PARAM(PARAM_HUE_VARIATION);
|
|
CONVERT_PARAM(PARAM_ANIM_SPEED);
|
|
CONVERT_PARAM(PARAM_ANIM_OFFSET);
|
|
|
|
#undef CONVERT_PARAM
|
|
}
|
|
|
|
void CPUParticles2D::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emitting", "emitting"), &CPUParticles2D::set_emitting);
|
|
ClassDB::bind_method(D_METHOD("set_amount", "amount"), &CPUParticles2D::set_amount);
|
|
ClassDB::bind_method(D_METHOD("set_lifetime", "secs"), &CPUParticles2D::set_lifetime);
|
|
ClassDB::bind_method(D_METHOD("set_one_shot", "enable"), &CPUParticles2D::set_one_shot);
|
|
ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &CPUParticles2D::set_pre_process_time);
|
|
ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &CPUParticles2D::set_explosiveness_ratio);
|
|
ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &CPUParticles2D::set_randomness_ratio);
|
|
ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "random"), &CPUParticles2D::set_lifetime_randomness);
|
|
ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &CPUParticles2D::set_use_local_coordinates);
|
|
ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &CPUParticles2D::set_fixed_fps);
|
|
ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &CPUParticles2D::set_fractional_delta);
|
|
ClassDB::bind_method(D_METHOD("set_speed_scale", "scale"), &CPUParticles2D::set_speed_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("is_emitting"), &CPUParticles2D::is_emitting);
|
|
ClassDB::bind_method(D_METHOD("get_amount"), &CPUParticles2D::get_amount);
|
|
ClassDB::bind_method(D_METHOD("get_lifetime"), &CPUParticles2D::get_lifetime);
|
|
ClassDB::bind_method(D_METHOD("get_one_shot"), &CPUParticles2D::get_one_shot);
|
|
ClassDB::bind_method(D_METHOD("get_pre_process_time"), &CPUParticles2D::get_pre_process_time);
|
|
ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &CPUParticles2D::get_explosiveness_ratio);
|
|
ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &CPUParticles2D::get_randomness_ratio);
|
|
ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &CPUParticles2D::get_lifetime_randomness);
|
|
ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &CPUParticles2D::get_use_local_coordinates);
|
|
ClassDB::bind_method(D_METHOD("get_fixed_fps"), &CPUParticles2D::get_fixed_fps);
|
|
ClassDB::bind_method(D_METHOD("get_fractional_delta"), &CPUParticles2D::get_fractional_delta);
|
|
ClassDB::bind_method(D_METHOD("get_speed_scale"), &CPUParticles2D::get_speed_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_draw_order", "order"), &CPUParticles2D::set_draw_order);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_draw_order"), &CPUParticles2D::get_draw_order);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &CPUParticles2D::set_texture);
|
|
ClassDB::bind_method(D_METHOD("get_texture"), &CPUParticles2D::get_texture);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_normalmap", "normalmap"), &CPUParticles2D::set_normalmap);
|
|
ClassDB::bind_method(D_METHOD("get_normalmap"), &CPUParticles2D::get_normalmap);
|
|
|
|
ClassDB::bind_method(D_METHOD("restart"), &CPUParticles2D::restart);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emitting"), "set_emitting", "is_emitting");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "amount", PROPERTY_HINT_EXP_RANGE, "1,1000000,1"), "set_amount", "get_amount");
|
|
ADD_GROUP("Time", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime", PROPERTY_HINT_RANGE, "0.01,600.0,0.01,or_greater"), "set_lifetime", "get_lifetime");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "preprocess", PROPERTY_HINT_RANGE, "0.00,600.0,0.01"), "set_pre_process_time", "get_pre_process_time");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "speed_scale", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_speed_scale", "get_speed_scale");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "explosiveness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_explosiveness_ratio", "get_explosiveness_ratio");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_randomness_ratio", "get_randomness_ratio");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "fixed_fps", PROPERTY_HINT_RANGE, "0,1000,1"), "set_fixed_fps", "get_fixed_fps");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fract_delta"), "set_fractional_delta", "get_fractional_delta");
|
|
ADD_GROUP("Drawing", "");
|
|
// No visibility_rect property contrarily to Particles2D, it's updated automatically.
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "local_coords"), "set_use_local_coordinates", "get_use_local_coordinates");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "draw_order", PROPERTY_HINT_ENUM, "Index,Lifetime"), "set_draw_order", "get_draw_order");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normalmap", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_normalmap", "get_normalmap");
|
|
|
|
BIND_ENUM_CONSTANT(DRAW_ORDER_INDEX);
|
|
BIND_ENUM_CONSTANT(DRAW_ORDER_LIFETIME);
|
|
|
|
////////////////////////////////
|
|
|
|
ClassDB::bind_method(D_METHOD("set_direction", "direction"), &CPUParticles2D::set_direction);
|
|
ClassDB::bind_method(D_METHOD("get_direction"), &CPUParticles2D::get_direction);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &CPUParticles2D::set_spread);
|
|
ClassDB::bind_method(D_METHOD("get_spread"), &CPUParticles2D::get_spread);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_flatness", "amount"), &CPUParticles2D::set_flatness);
|
|
ClassDB::bind_method(D_METHOD("get_flatness"), &CPUParticles2D::get_flatness);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_param", "param", "value"), &CPUParticles2D::set_param);
|
|
ClassDB::bind_method(D_METHOD("get_param", "param"), &CPUParticles2D::get_param);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_param_randomness", "param", "randomness"), &CPUParticles2D::set_param_randomness);
|
|
ClassDB::bind_method(D_METHOD("get_param_randomness", "param"), &CPUParticles2D::get_param_randomness);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_param_curve", "param", "curve"), &CPUParticles2D::set_param_curve);
|
|
ClassDB::bind_method(D_METHOD("get_param_curve", "param"), &CPUParticles2D::get_param_curve);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_color", "color"), &CPUParticles2D::set_color);
|
|
ClassDB::bind_method(D_METHOD("get_color"), &CPUParticles2D::get_color);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_color_ramp", "ramp"), &CPUParticles2D::set_color_ramp);
|
|
ClassDB::bind_method(D_METHOD("get_color_ramp"), &CPUParticles2D::get_color_ramp);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_particle_flag", "flag", "enable"), &CPUParticles2D::set_particle_flag);
|
|
ClassDB::bind_method(D_METHOD("get_particle_flag", "flag"), &CPUParticles2D::get_particle_flag);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emission_shape", "shape"), &CPUParticles2D::set_emission_shape);
|
|
ClassDB::bind_method(D_METHOD("get_emission_shape"), &CPUParticles2D::get_emission_shape);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emission_sphere_radius", "radius"), &CPUParticles2D::set_emission_sphere_radius);
|
|
ClassDB::bind_method(D_METHOD("get_emission_sphere_radius"), &CPUParticles2D::get_emission_sphere_radius);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emission_rect_extents", "extents"), &CPUParticles2D::set_emission_rect_extents);
|
|
ClassDB::bind_method(D_METHOD("get_emission_rect_extents"), &CPUParticles2D::get_emission_rect_extents);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emission_points", "array"), &CPUParticles2D::set_emission_points);
|
|
ClassDB::bind_method(D_METHOD("get_emission_points"), &CPUParticles2D::get_emission_points);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emission_normals", "array"), &CPUParticles2D::set_emission_normals);
|
|
ClassDB::bind_method(D_METHOD("get_emission_normals"), &CPUParticles2D::get_emission_normals);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emission_colors", "array"), &CPUParticles2D::set_emission_colors);
|
|
ClassDB::bind_method(D_METHOD("get_emission_colors"), &CPUParticles2D::get_emission_colors);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_gravity"), &CPUParticles2D::get_gravity);
|
|
ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &CPUParticles2D::set_gravity);
|
|
|
|
ClassDB::bind_method(D_METHOD("convert_from_particles", "particles"), &CPUParticles2D::convert_from_particles);
|
|
|
|
ClassDB::bind_method(D_METHOD("_update_render_thread"), &CPUParticles2D::_update_render_thread);
|
|
|
|
ADD_GROUP("Emission Shape", "emission_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Box,Points,Directed Points"), "set_emission_shape", "get_emission_shape");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01"), "set_emission_sphere_radius", "get_emission_sphere_radius");
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "emission_rect_extents"), "set_emission_rect_extents", "get_emission_rect_extents");
|
|
ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "emission_points"), "set_emission_points", "get_emission_points");
|
|
ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "emission_normals"), "set_emission_normals", "get_emission_normals");
|
|
ADD_PROPERTY(PropertyInfo(Variant::POOL_COLOR_ARRAY, "emission_colors"), "set_emission_colors", "get_emission_colors");
|
|
ADD_GROUP("Flags", "flag_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_align_y"), "set_particle_flag", "get_particle_flag", FLAG_ALIGN_Y_TO_VELOCITY);
|
|
ADD_GROUP("Direction", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "direction"), "set_direction", "get_direction");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "spread", PROPERTY_HINT_RANGE, "0,180,0.01"), "set_spread", "get_spread");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "flatness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_flatness", "get_flatness");
|
|
ADD_GROUP("Gravity", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "gravity"), "set_gravity", "get_gravity");
|
|
ADD_GROUP("Initial Velocity", "initial_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "initial_velocity", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param", "get_param", PARAM_INITIAL_LINEAR_VELOCITY);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "initial_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_INITIAL_LINEAR_VELOCITY);
|
|
ADD_GROUP("Angular Velocity", "angular_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angular_velocity", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_ANGULAR_VELOCITY);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angular_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANGULAR_VELOCITY);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angular_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANGULAR_VELOCITY);
|
|
ADD_GROUP("Orbit Velocity", "orbit_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "orbit_velocity", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_ORBIT_VELOCITY);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "orbit_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ORBIT_VELOCITY);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "orbit_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ORBIT_VELOCITY);
|
|
ADD_GROUP("Linear Accel", "linear_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "linear_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_LINEAR_ACCEL);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "linear_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_LINEAR_ACCEL);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "linear_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_LINEAR_ACCEL);
|
|
ADD_GROUP("Radial Accel", "radial_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "radial_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_RADIAL_ACCEL);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "radial_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_RADIAL_ACCEL);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "radial_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_RADIAL_ACCEL);
|
|
ADD_GROUP("Tangential Accel", "tangential_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "tangential_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_TANGENTIAL_ACCEL);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "tangential_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_TANGENTIAL_ACCEL);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "tangential_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_TANGENTIAL_ACCEL);
|
|
ADD_GROUP("Damping", "");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "damping", PROPERTY_HINT_RANGE, "0,100,0.01"), "set_param", "get_param", PARAM_DAMPING);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "damping_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_DAMPING);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "damping_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_DAMPING);
|
|
ADD_GROUP("Angle", "");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angle", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater"), "set_param", "get_param", PARAM_ANGLE);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angle_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANGLE);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angle_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANGLE);
|
|
ADD_GROUP("Scale", "");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "scale_amount", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param", "get_param", PARAM_SCALE);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "scale_amount_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_SCALE);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "scale_amount_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_SCALE);
|
|
ADD_GROUP("Color", "");
|
|
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_color_ramp", "get_color_ramp");
|
|
|
|
ADD_GROUP("Hue Variation", "hue_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "hue_variation", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param", "get_param", PARAM_HUE_VARIATION);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "hue_variation_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_HUE_VARIATION);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "hue_variation_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_HUE_VARIATION);
|
|
ADD_GROUP("Animation", "anim_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_speed", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater"), "set_param", "get_param", PARAM_ANIM_SPEED);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_speed_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_SPEED);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_speed_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANIM_SPEED);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_offset", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param", "get_param", PARAM_ANIM_OFFSET);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_offset_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_OFFSET);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_offset_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANIM_OFFSET);
|
|
|
|
BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY);
|
|
BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY);
|
|
BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY);
|
|
BIND_ENUM_CONSTANT(PARAM_LINEAR_ACCEL);
|
|
BIND_ENUM_CONSTANT(PARAM_RADIAL_ACCEL);
|
|
BIND_ENUM_CONSTANT(PARAM_TANGENTIAL_ACCEL);
|
|
BIND_ENUM_CONSTANT(PARAM_DAMPING);
|
|
BIND_ENUM_CONSTANT(PARAM_ANGLE);
|
|
BIND_ENUM_CONSTANT(PARAM_SCALE);
|
|
BIND_ENUM_CONSTANT(PARAM_HUE_VARIATION);
|
|
BIND_ENUM_CONSTANT(PARAM_ANIM_SPEED);
|
|
BIND_ENUM_CONSTANT(PARAM_ANIM_OFFSET);
|
|
BIND_ENUM_CONSTANT(PARAM_MAX);
|
|
|
|
BIND_ENUM_CONSTANT(FLAG_ALIGN_Y_TO_VELOCITY);
|
|
BIND_ENUM_CONSTANT(FLAG_ROTATE_Y); // Unused, but exposed for consistency with 3D.
|
|
BIND_ENUM_CONSTANT(FLAG_DISABLE_Z); // Unused, but exposed for consistency with 3D.
|
|
BIND_ENUM_CONSTANT(FLAG_MAX);
|
|
|
|
BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINT);
|
|
BIND_ENUM_CONSTANT(EMISSION_SHAPE_SPHERE);
|
|
BIND_ENUM_CONSTANT(EMISSION_SHAPE_RECTANGLE);
|
|
BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINTS);
|
|
BIND_ENUM_CONSTANT(EMISSION_SHAPE_DIRECTED_POINTS);
|
|
}
|
|
|
|
CPUParticles2D::CPUParticles2D() {
|
|
|
|
time = 0;
|
|
inactive_time = 0;
|
|
frame_remainder = 0;
|
|
cycle = 0;
|
|
redraw = false;
|
|
emitting = false;
|
|
|
|
mesh = VisualServer::get_singleton()->mesh_create();
|
|
multimesh = VisualServer::get_singleton()->multimesh_create();
|
|
VisualServer::get_singleton()->multimesh_set_mesh(multimesh, mesh);
|
|
|
|
set_emitting(true);
|
|
set_one_shot(false);
|
|
set_amount(8);
|
|
set_lifetime(1);
|
|
set_fixed_fps(0);
|
|
set_fractional_delta(true);
|
|
set_pre_process_time(0);
|
|
set_explosiveness_ratio(0);
|
|
set_randomness_ratio(0);
|
|
set_lifetime_randomness(0);
|
|
set_use_local_coordinates(true);
|
|
|
|
set_draw_order(DRAW_ORDER_INDEX);
|
|
set_speed_scale(1);
|
|
|
|
set_direction(Vector2(1, 0));
|
|
set_spread(45);
|
|
set_flatness(0);
|
|
set_param(PARAM_INITIAL_LINEAR_VELOCITY, 0);
|
|
set_param(PARAM_ANGULAR_VELOCITY, 0);
|
|
set_param(PARAM_ORBIT_VELOCITY, 0);
|
|
set_param(PARAM_LINEAR_ACCEL, 0);
|
|
set_param(PARAM_RADIAL_ACCEL, 0);
|
|
set_param(PARAM_TANGENTIAL_ACCEL, 0);
|
|
set_param(PARAM_DAMPING, 0);
|
|
set_param(PARAM_ANGLE, 0);
|
|
set_param(PARAM_SCALE, 1);
|
|
set_param(PARAM_HUE_VARIATION, 0);
|
|
set_param(PARAM_ANIM_SPEED, 0);
|
|
set_param(PARAM_ANIM_OFFSET, 0);
|
|
set_emission_shape(EMISSION_SHAPE_POINT);
|
|
set_emission_sphere_radius(1);
|
|
set_emission_rect_extents(Vector2(1, 1));
|
|
|
|
set_gravity(Vector2(0, 98));
|
|
|
|
for (int i = 0; i < PARAM_MAX; i++) {
|
|
set_param_randomness(Parameter(i), 0);
|
|
}
|
|
|
|
for (int i = 0; i < FLAG_MAX; i++) {
|
|
flags[i] = false;
|
|
}
|
|
|
|
set_color(Color(1, 1, 1, 1));
|
|
|
|
#ifndef NO_THREADS
|
|
update_mutex = Mutex::create();
|
|
#endif
|
|
|
|
_update_mesh_texture();
|
|
}
|
|
|
|
CPUParticles2D::~CPUParticles2D() {
|
|
VS::get_singleton()->free(multimesh);
|
|
VS::get_singleton()->free(mesh);
|
|
|
|
#ifndef NO_THREADS
|
|
memdelete(update_mutex);
|
|
#endif
|
|
}
|