1216 lines
33 KiB
C++
1216 lines
33 KiB
C++
/*************************************************************************/
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/* 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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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 "particles_2d.h"
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#include "scene/scene_string_names.h"
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void ParticleAttractor2D::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_TREE: {
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_update_owner();
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} break;
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case NOTIFICATION_DRAW: {
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if (!get_tree()->is_editor_hint())
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return;
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Vector2 pv;
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float dr = MIN(disable_radius,radius);
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for(int i=0;i<=32;i++) {
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Vector2 v(Math::sin(i/32.0*Math_PI*2),Math::cos(i/32.0*Math_PI*2));
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if (i>0) {
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draw_line(pv*radius,v*radius,Color(0,0,0.5,0.9));
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if (dr>0) {
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draw_line(pv*dr,v*dr,Color(0.5,0,0.0,0.9));
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}
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}
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pv=v;
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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if (owner) {
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_set_owner(NULL);
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}
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} break;
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}
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}
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void ParticleAttractor2D::_owner_exited() {
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ERR_FAIL_COND(!owner);
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owner->attractors.erase(this);
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owner=NULL;
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}
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void ParticleAttractor2D::_update_owner() {
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if (!is_inside_tree() || !has_node(path)) {
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_set_owner(NULL);
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return;
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}
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Node *n = get_node(path);
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ERR_FAIL_COND(!n);
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Particles2D *pn = n->cast_to<Particles2D>();
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if (!pn) {
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_set_owner(NULL);
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return;
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}
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_set_owner(pn);
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}
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void ParticleAttractor2D::_set_owner(Particles2D* p_owner) {
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if (owner==p_owner)
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return;
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if (owner) {
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owner->disconnect("tree_exited",this,"_owner_exited");
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owner->attractors.erase(this);
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owner=NULL;
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}
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owner=p_owner;
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if (owner) {
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owner->connect("tree_exited",this,"_owner_exited",varray(),CONNECT_ONESHOT);
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owner->attractors.insert(this);
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}
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}
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void ParticleAttractor2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_enabled","enabled"),&ParticleAttractor2D::set_enabled);
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ClassDB::bind_method(D_METHOD("is_enabled"),&ParticleAttractor2D::is_enabled);
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ClassDB::bind_method(D_METHOD("set_radius","radius"),&ParticleAttractor2D::set_radius);
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ClassDB::bind_method(D_METHOD("get_radius"),&ParticleAttractor2D::get_radius);
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ClassDB::bind_method(D_METHOD("set_disable_radius","radius"),&ParticleAttractor2D::set_disable_radius);
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ClassDB::bind_method(D_METHOD("get_disable_radius"),&ParticleAttractor2D::get_disable_radius);
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ClassDB::bind_method(D_METHOD("set_gravity","gravity"),&ParticleAttractor2D::set_gravity);
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ClassDB::bind_method(D_METHOD("get_gravity"),&ParticleAttractor2D::get_gravity);
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ClassDB::bind_method(D_METHOD("set_absorption","absorption"),&ParticleAttractor2D::set_absorption);
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ClassDB::bind_method(D_METHOD("get_absorption"),&ParticleAttractor2D::get_absorption);
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ClassDB::bind_method(D_METHOD("set_particles_path","path"),&ParticleAttractor2D::set_particles_path);
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ClassDB::bind_method(D_METHOD("get_particles_path"),&ParticleAttractor2D::get_particles_path);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL,"enabled"),"set_enabled","is_enabled");
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"radius",PROPERTY_HINT_RANGE,"0.1,16000,0.1"),"set_radius","get_radius");
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"disable_radius",PROPERTY_HINT_RANGE,"0.1,16000,0.1"),"set_disable_radius","get_disable_radius");
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"gravity",PROPERTY_HINT_RANGE,"-512,512,0.01"),"set_gravity","get_gravity");
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"absorption",PROPERTY_HINT_RANGE,"0,512,0.01"),"set_absorption","get_absorption");
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ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH,"particles_path",PROPERTY_HINT_RESOURCE_TYPE,"Particles2D"),"set_particles_path","get_particles_path");
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}
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void ParticleAttractor2D::set_enabled(bool p_enabled) {
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enabled=p_enabled;
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}
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bool ParticleAttractor2D::is_enabled() const{
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return enabled;
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}
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void ParticleAttractor2D::set_radius(float p_radius) {
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radius = p_radius;
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update();
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}
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float ParticleAttractor2D::get_radius() const {
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return radius;
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}
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void ParticleAttractor2D::set_disable_radius(float p_disable_radius) {
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disable_radius = p_disable_radius;
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update();
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}
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float ParticleAttractor2D::get_disable_radius() const {
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return disable_radius;
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}
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void ParticleAttractor2D::set_gravity(float p_gravity) {
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gravity=p_gravity;
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}
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float ParticleAttractor2D::get_gravity() const {
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return gravity;
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}
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void ParticleAttractor2D::set_absorption(float p_absorption) {
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absorption=p_absorption;
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}
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float ParticleAttractor2D::get_absorption() const {
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return absorption;
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}
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void ParticleAttractor2D::set_particles_path(NodePath p_path) {
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path=p_path;
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_update_owner();
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update_configuration_warning();
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}
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NodePath ParticleAttractor2D::get_particles_path() const {
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return path;
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}
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String ParticleAttractor2D::get_configuration_warning() const {
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if (!has_node(path) || !get_node(path) || !get_node(path)->cast_to<Particles2D>()) {
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return TTR("Path property must point to a valid Particles2D node to work.");
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}
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return String();
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}
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ParticleAttractor2D::ParticleAttractor2D() {
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owner=NULL;
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radius=50;
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disable_radius=0;
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gravity=100;
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absorption=0;
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path=String("..");
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enabled=true;
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}
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/****************************************/
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_FORCE_INLINE_ static float _rand_from_seed(uint32_t *seed) {
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uint32_t k;
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uint32_t s = (*seed);
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if (s == 0)
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s = 0x12345987;
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k = s / 127773;
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s = 16807 * (s - k * 127773) - 2836 * k;
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if (s < 0)
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s += 2147483647;
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(*seed) = s;
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float v=((float)((*seed) & 0xFFFFF))/(float)0xFFFFF;
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v=v*2.0-1.0;
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return v;
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}
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void Particles2D::_process_particles(float p_delta) {
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if (particles.size()==0 || lifetime==0)
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return;
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p_delta*=time_scale;
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float frame_time=p_delta;
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if (emit_timeout > 0) {
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time_to_live -= frame_time;
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if (time_to_live < 0) {
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emitting = false;
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_change_notify("config/emitting");
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};
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};
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float next_time = time+frame_time;
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if (next_time > lifetime)
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next_time=Math::fmod(next_time,lifetime);
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Particle *pdata=&particles[0];
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int particle_count=particles.size();
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Transform2D xform;
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if (!local_space)
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xform=get_global_transform();
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active_count=0;
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PoolVector<Point2>::Read r;
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int emission_point_count=0;
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if (emission_points.size()) {
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emission_point_count=emission_points.size();
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r=emission_points.read();
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}
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int attractor_count=0;
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AttractorCache *attractor_ptr=NULL;
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if (attractors.size()) {
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if (attractors.size()!=attractor_cache.size()) {
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attractor_cache.resize(attractors.size());
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}
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int idx=0;
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Transform2D m;
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if (local_space) {
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m= get_global_transform().affine_inverse();
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}
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for (Set<ParticleAttractor2D*>::Element *E=attractors.front();E;E=E->next()) {
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attractor_cache[idx].pos=m.xform( E->get()->get_global_position() );
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attractor_cache[idx].attractor=E->get();
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idx++;
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}
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attractor_ptr=attractor_cache.ptr();
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attractor_count=attractor_cache.size();
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}
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for(int i=0;i<particle_count;i++) {
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Particle &p=pdata[i];
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float restart_time = (i * lifetime / particle_count) * explosiveness;
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bool restart=false;
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if ( next_time < time ) {
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if (restart_time > time || restart_time < next_time )
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restart=true;
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} else if (restart_time > time && restart_time < next_time ) {
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restart=true;
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}
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if (restart) {
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if (emitting) {
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p.pos=emissor_offset;
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if (emission_point_count) {
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Vector2 ep = r[Math::rand()%emission_point_count];
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if (!local_space) {
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p.pos=xform.xform(p.pos+ep*extents);
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} else {
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p.pos+=ep*extents;
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}
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} else {
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if (!local_space) {
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p.pos=xform.xform(p.pos+Vector2(Math::random(-extents.x,extents.x),Math::random(-extents.y,extents.y)));
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} else {
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p.pos+=Vector2(Math::random(-extents.x,extents.x),Math::random(-extents.y,extents.y));
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}
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}
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p.seed=Math::rand() % 12345678;
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uint32_t rand_seed=p.seed*(i+1);
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float angle = Math::deg2rad(param[PARAM_DIRECTION]+_rand_from_seed(&rand_seed)*param[PARAM_SPREAD]);
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p.velocity=Vector2( Math::sin(angle), Math::cos(angle) );
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if (!local_space) {
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p.velocity = xform.basis_xform(p.velocity).normalized();
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}
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p.velocity*=param[PARAM_LINEAR_VELOCITY]+param[PARAM_LINEAR_VELOCITY]*_rand_from_seed(&rand_seed)*randomness[PARAM_LINEAR_VELOCITY];
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p.velocity+=initial_velocity;
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p.active=true;
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p.rot=Math::deg2rad(param[PARAM_INITIAL_ANGLE]+param[PARAM_INITIAL_ANGLE]*randomness[PARAM_INITIAL_ANGLE]*_rand_from_seed(&rand_seed));
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active_count++;
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p.frame=Math::fmod(param[PARAM_ANIM_INITIAL_POS]+randomness[PARAM_ANIM_INITIAL_POS]*_rand_from_seed(&rand_seed),1.0f);
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} else {
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p.active=false;
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}
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} else {
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if (!p.active)
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continue;
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uint32_t rand_seed=p.seed*(i+1);
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Vector2 force;
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//apply gravity
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float gravity_dir = Math::deg2rad( param[PARAM_GRAVITY_DIRECTION]+180*randomness[PARAM_GRAVITY_DIRECTION]*_rand_from_seed(&rand_seed));
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force+=Vector2( Math::sin(gravity_dir), Math::cos(gravity_dir) ) * (param[PARAM_GRAVITY_STRENGTH]+param[PARAM_GRAVITY_STRENGTH]*randomness[PARAM_GRAVITY_STRENGTH]*_rand_from_seed(&rand_seed));
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//apply radial
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Vector2 rvec = (p.pos - emissor_offset).normalized();
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force+=rvec*(param[PARAM_RADIAL_ACCEL]+param[PARAM_RADIAL_ACCEL]*randomness[PARAM_RADIAL_ACCEL]*_rand_from_seed(&rand_seed));
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//apply orbit
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float orbitvel = (param[PARAM_ORBIT_VELOCITY]+param[PARAM_ORBIT_VELOCITY]*randomness[PARAM_ORBIT_VELOCITY]*_rand_from_seed(&rand_seed));
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if (orbitvel!=0) {
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Vector2 rel = p.pos - xform.elements[2];
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Transform2D rot(orbitvel*frame_time,Vector2());
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p.pos = rot.xform(rel) + xform.elements[2];
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}
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Vector2 tvec=rvec.tangent();
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force+=tvec*(param[PARAM_TANGENTIAL_ACCEL]+param[PARAM_TANGENTIAL_ACCEL]*randomness[PARAM_TANGENTIAL_ACCEL]*_rand_from_seed(&rand_seed));
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for(int j=0;j<attractor_count;j++) {
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Vector2 vec = (attractor_ptr[j].pos - p.pos);
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float vl = vec.length();
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if (!attractor_ptr[j].attractor->enabled || vl==0 || vl > attractor_ptr[j].attractor->radius)
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continue;
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force+=vec*attractor_ptr[j].attractor->gravity;
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float fvl = p.velocity.length();
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if (fvl && attractor_ptr[j].attractor->absorption) {
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Vector2 target = vec.normalized();
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p.velocity = p.velocity.normalized().linear_interpolate(target,MIN(frame_time*attractor_ptr[j].attractor->absorption,1))*fvl;
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}
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if (attractor_ptr[j].attractor->disable_radius && vl < attractor_ptr[j].attractor->disable_radius) {
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p.active=false;
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}
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}
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p.velocity+=force*frame_time;
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if (param[PARAM_DAMPING]) {
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float dmp = param[PARAM_DAMPING]+param[PARAM_DAMPING]*randomness[PARAM_DAMPING]*_rand_from_seed(&rand_seed);
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float v = p.velocity.length();
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v -= dmp * frame_time;
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if (v<=0) {
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p.velocity=Vector2();
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} else {
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p.velocity=p.velocity.normalized() * v;
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}
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}
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p.pos+=p.velocity*frame_time;
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p.rot+=Math::lerp(param[PARAM_SPIN_VELOCITY],param[PARAM_SPIN_VELOCITY]*randomness[PARAM_SPIN_VELOCITY]*_rand_from_seed(&rand_seed),randomness[PARAM_SPIN_VELOCITY])*frame_time;
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float anim_spd=param[PARAM_ANIM_SPEED_SCALE]+param[PARAM_ANIM_SPEED_SCALE]*randomness[PARAM_ANIM_SPEED_SCALE]*_rand_from_seed(&rand_seed);
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p.frame=Math::fposmod(p.frame+(frame_time/lifetime)*anim_spd,1.0f);
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active_count++;
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}
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}
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time=Math::fmod( time+frame_time, lifetime );
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if (!emitting && active_count==0) {
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emit_signal(SceneStringNames::get_singleton()->emission_finished);
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set_process(false);
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set_fixed_process(false);
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}
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update();
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}
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void Particles2D::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_PROCESS: {
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_process_particles( get_process_delta_time() );
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} break;
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case NOTIFICATION_FIXED_PROCESS: {
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_process_particles( get_fixed_process_delta_time() );
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} break;
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case NOTIFICATION_ENTER_TREE: {
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float ppt=preprocess;
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while(ppt>0) {
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_process_particles(0.1);
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ppt-=0.1;
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}
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} break;
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case NOTIFICATION_DRAW: {
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if (particles.size()==0 || lifetime==0)
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return;
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RID ci=get_canvas_item();
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Size2 size(1,1);
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Point2 center;
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int total_frames=1;
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if (!texture.is_null()) {
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size=texture->get_size();
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size.x/=h_frames;
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size.y/=v_frames;
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total_frames=h_frames*v_frames;
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}
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float time_pos=(time/lifetime);
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Particle *pdata=&particles[0];
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int particle_count=particles.size();
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RID texrid;
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if (texture.is_valid())
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texrid = texture->get_rid();
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Transform2D invxform;
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if (!local_space)
|
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invxform=get_global_transform().affine_inverse();
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|
|
int start_particle = (int)(time * (float)particle_count / lifetime);
|
|
|
|
for (int id=0;id<particle_count;++id) {
|
|
int i = start_particle + id;
|
|
if (i >= particle_count) {
|
|
i -= particle_count;
|
|
}
|
|
|
|
Particle &p=pdata[i];
|
|
if (!p.active)
|
|
continue;
|
|
|
|
float ptime = ((float)i / particle_count)*explosiveness;
|
|
|
|
if (ptime<time_pos)
|
|
ptime=time_pos-ptime;
|
|
else
|
|
ptime=(1.0-ptime)+time_pos;
|
|
|
|
uint32_t rand_seed=p.seed*(i+1);
|
|
|
|
Color color;
|
|
|
|
if(color_ramp.is_valid())
|
|
{
|
|
color = color_ramp->get_color_at_offset(ptime);
|
|
} else
|
|
{
|
|
color = default_color;
|
|
}
|
|
|
|
|
|
{
|
|
float huerand=_rand_from_seed(&rand_seed);
|
|
float huerot = param[PARAM_HUE_VARIATION] + randomness[PARAM_HUE_VARIATION] * huerand;
|
|
|
|
if (Math::abs(huerot) > CMP_EPSILON) {
|
|
|
|
float h=color.get_h();
|
|
float s=color.get_s();
|
|
float v=color.get_v();
|
|
float a=color.a;
|
|
//float preh=h;
|
|
h+=huerot;
|
|
h=Math::abs(Math::fposmod(h,1.0f));
|
|
//print_line("rand: "+rtos(randomness[PARAM_HUE_VARIATION])+" rand: "+rtos(huerand));
|
|
//print_line(itos(i)+":hue: "+rtos(preh)+" + "+rtos(huerot)+" = "+rtos(h));
|
|
color.set_hsv(h,s,v);
|
|
color.a=a;
|
|
}
|
|
}
|
|
|
|
float initial_size = param[PARAM_INITIAL_SIZE]+param[PARAM_INITIAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_INITIAL_SIZE];
|
|
float final_size = param[PARAM_FINAL_SIZE]+param[PARAM_FINAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_FINAL_SIZE];
|
|
|
|
float size_mult=initial_size*(1.0-ptime) + final_size*ptime;
|
|
|
|
//Size2 rectsize=size * size_mult;
|
|
//rectsize=rectsize.floor();
|
|
|
|
//Rect2 r = Rect2(Vecto,rectsize);
|
|
|
|
Transform2D xform;
|
|
|
|
if (p.rot) {
|
|
|
|
xform.set_rotation(p.rot);
|
|
xform.translate(-size*size_mult/2.0);
|
|
xform.elements[2]+=p.pos;
|
|
} else {
|
|
xform.elements[2]=-size*size_mult/2.0;
|
|
xform.elements[2]+=p.pos;
|
|
}
|
|
|
|
if (!local_space) {
|
|
xform = invxform * xform;
|
|
}
|
|
|
|
|
|
xform.scale_basis(Size2(size_mult,size_mult));
|
|
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_set_transform(ci,xform);
|
|
|
|
|
|
if (texrid.is_valid()) {
|
|
|
|
Rect2 src_rect;
|
|
src_rect.size=size;
|
|
|
|
if (total_frames>1) {
|
|
int frame = Math::fast_ftoi(Math::floor(p.frame*total_frames)) % total_frames;
|
|
src_rect.pos.x = size.x * (frame%h_frames);
|
|
src_rect.pos.y = size.y * (frame/h_frames);
|
|
}
|
|
|
|
if (flip_h)
|
|
src_rect.size.x=-src_rect.size.x;
|
|
if (flip_v)
|
|
src_rect.size.y=-src_rect.size.y;
|
|
|
|
texture->draw_rect_region(ci,Rect2(Point2(),size),src_rect,color);
|
|
//VisualServer::get_singleton()->canvas_item_add_texture_rect(ci,r,texrid,false,color);
|
|
} else {
|
|
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(Point2(),size),color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
} break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
static const char* _particlesframe_property_names[Particles2D::PARAM_MAX]={
|
|
"params/direction",
|
|
"params/spread",
|
|
"params/linear_velocity",
|
|
"params/spin_velocity",
|
|
"params/orbit_velocity",
|
|
"params/gravity_direction",
|
|
"params/gravity_strength",
|
|
"params/radial_accel",
|
|
"params/tangential_accel",
|
|
"params/damping",
|
|
"params/initial_angle",
|
|
"params/initial_size",
|
|
"params/final_size",
|
|
"params/hue_variation",
|
|
"params/anim_speed_scale",
|
|
"params/anim_initial_pos",
|
|
};
|
|
|
|
static const char* _particlesframe_property_rnames[Particles2D::PARAM_MAX]={
|
|
"randomness/direction",
|
|
"randomness/spread",
|
|
"randomness/linear_velocity",
|
|
"randomness/spin_velocity",
|
|
"randomness/orbit_velocity",
|
|
"randomness/gravity_direction",
|
|
"randomness/gravity_strength",
|
|
"randomness/radial_accel",
|
|
"randomness/tangential_accel",
|
|
"randomness/damping",
|
|
"randomness/initial_angle",
|
|
"randomness/initial_size",
|
|
"randomness/final_size",
|
|
"randomness/hue_variation",
|
|
"randomness/anim_speed_scale",
|
|
"randomness/anim_initial_pos",
|
|
};
|
|
|
|
static const char* _particlesframe_property_ranges[Particles2D::PARAM_MAX]={
|
|
"0,360,0.01",
|
|
"0,180,0.01",
|
|
"-1024,1024,0.01",
|
|
"-1024,1024,0.01",
|
|
"-1024,1024,0.01",
|
|
"0,360,0.01",
|
|
"0,1024,0.01",
|
|
"-128,128,0.01",
|
|
"-128,128,0.01",
|
|
"0,1024,0.001",
|
|
"0,360,0.01",
|
|
"0,1024,0.01",
|
|
"0,1024,0.01",
|
|
"0,1,0.01",
|
|
"0,128,0.01",
|
|
"0,1,0.01",
|
|
};
|
|
|
|
|
|
void Particles2D::set_emitting(bool p_emitting) {
|
|
|
|
if (emitting==p_emitting)
|
|
return;
|
|
|
|
if (p_emitting) {
|
|
|
|
if (active_count==0)
|
|
time=0;
|
|
set_process(process_mode==PROCESS_IDLE);
|
|
set_fixed_process(process_mode==PROCESS_FIXED);
|
|
time_to_live = emit_timeout;
|
|
};
|
|
emitting=p_emitting;
|
|
_change_notify("config/emitting");
|
|
}
|
|
|
|
bool Particles2D::is_emitting() const {
|
|
|
|
return emitting;
|
|
}
|
|
|
|
void Particles2D::set_process_mode(ProcessMode p_mode) {
|
|
|
|
process_mode=p_mode;
|
|
const bool should_process=emitting || active_count!=0;
|
|
set_process(should_process && process_mode==PROCESS_IDLE);
|
|
set_fixed_process(should_process && process_mode==PROCESS_FIXED);
|
|
}
|
|
|
|
Particles2D::ProcessMode Particles2D::get_process_mode() const {
|
|
|
|
return process_mode;
|
|
}
|
|
|
|
void Particles2D::set_amount(int p_amount) {
|
|
|
|
ERR_FAIL_INDEX(p_amount,1024+1);
|
|
|
|
particles.resize(p_amount);
|
|
}
|
|
int Particles2D::get_amount() const {
|
|
|
|
return particles.size();
|
|
}
|
|
|
|
void Particles2D::set_emit_timeout(float p_timeout) {
|
|
|
|
emit_timeout = p_timeout;
|
|
time_to_live = p_timeout;
|
|
};
|
|
|
|
float Particles2D::get_emit_timeout() const {
|
|
|
|
return emit_timeout;
|
|
};
|
|
|
|
void Particles2D::set_lifetime(float p_lifetime) {
|
|
|
|
ERR_FAIL_INDEX(p_lifetime,3600+1);
|
|
|
|
lifetime=p_lifetime;
|
|
}
|
|
float Particles2D::get_lifetime() const {
|
|
|
|
return lifetime;
|
|
}
|
|
|
|
void Particles2D::set_time_scale(float p_time_scale) {
|
|
|
|
time_scale=p_time_scale;
|
|
}
|
|
float Particles2D::get_time_scale() const {
|
|
|
|
return time_scale;
|
|
}
|
|
|
|
void Particles2D::set_pre_process_time(float p_pre_process_time) {
|
|
|
|
preprocess=p_pre_process_time;
|
|
}
|
|
|
|
float Particles2D::get_pre_process_time() const{
|
|
|
|
return preprocess;
|
|
}
|
|
|
|
|
|
void Particles2D::set_param(Parameter p_param, float p_value) {
|
|
|
|
ERR_FAIL_INDEX(p_param,PARAM_MAX);
|
|
param[p_param]=p_value;
|
|
}
|
|
float Particles2D::get_param(Parameter p_param) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0);
|
|
return param[p_param];
|
|
}
|
|
|
|
void Particles2D::set_randomness(Parameter p_param, float p_value) {
|
|
|
|
ERR_FAIL_INDEX(p_param,PARAM_MAX);
|
|
randomness[p_param]=p_value;
|
|
|
|
}
|
|
float Particles2D::get_randomness(Parameter p_param) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0);
|
|
return randomness[p_param];
|
|
|
|
}
|
|
|
|
void Particles2D::set_texture(const Ref<Texture>& p_texture) {
|
|
|
|
texture=p_texture;
|
|
}
|
|
|
|
Ref<Texture> Particles2D::get_texture() const {
|
|
|
|
return texture;
|
|
}
|
|
|
|
void Particles2D::set_color(const Color& p_color) {
|
|
|
|
default_color = p_color;
|
|
}
|
|
|
|
Color Particles2D::get_color() const {
|
|
|
|
return default_color;
|
|
}
|
|
|
|
|
|
void Particles2D::set_color_ramp(const Ref<ColorRamp>& p_color_ramp) {
|
|
|
|
color_ramp=p_color_ramp;
|
|
}
|
|
|
|
Ref<ColorRamp> Particles2D::get_color_ramp() const {
|
|
|
|
return color_ramp;
|
|
}
|
|
|
|
void Particles2D::set_emissor_offset(const Point2& p_offset) {
|
|
|
|
emissor_offset=p_offset;
|
|
}
|
|
|
|
Point2 Particles2D::get_emissor_offset() const {
|
|
|
|
return emissor_offset;
|
|
}
|
|
|
|
|
|
void Particles2D::set_use_local_space(bool p_use) {
|
|
|
|
local_space=p_use;
|
|
}
|
|
|
|
bool Particles2D::is_using_local_space() const {
|
|
|
|
return local_space;
|
|
}
|
|
|
|
//Deprecated. Converts color phases to color ramp
|
|
void Particles2D::set_color_phases(int p_phases) {
|
|
|
|
//Create color ramp if we have 2 or more phases.
|
|
//Otherwise first phase phase will be assigned to default color.
|
|
if(p_phases > 1 && color_ramp.is_null())
|
|
{
|
|
color_ramp = Ref<ColorRamp>(memnew (ColorRamp()));
|
|
}
|
|
if(color_ramp.is_valid())
|
|
{
|
|
color_ramp->get_points().resize(p_phases);
|
|
}
|
|
}
|
|
|
|
//Deprecated.
|
|
int Particles2D::get_color_phases() const {
|
|
|
|
if(color_ramp.is_valid())
|
|
{
|
|
return color_ramp->get_points_count();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//Deprecated. Converts color phases to color ramp
|
|
void Particles2D::set_color_phase_color(int p_phase,const Color& p_color) {
|
|
|
|
ERR_FAIL_INDEX(p_phase,MAX_COLOR_PHASES);
|
|
if(color_ramp.is_valid())
|
|
{
|
|
if(color_ramp->get_points_count() > p_phase)
|
|
color_ramp->set_color(p_phase, p_color);
|
|
} else
|
|
{
|
|
if(p_phase == 0)
|
|
default_color = p_color;
|
|
}
|
|
}
|
|
|
|
//Deprecated.
|
|
Color Particles2D::get_color_phase_color(int p_phase) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_phase,MAX_COLOR_PHASES,Color());
|
|
if(color_ramp.is_valid())
|
|
{
|
|
return color_ramp->get_color(p_phase);
|
|
}
|
|
return Color(0,0,0,1);
|
|
}
|
|
|
|
//Deprecated. Converts color phases to color ramp
|
|
void Particles2D::set_color_phase_pos(int p_phase,float p_pos) {
|
|
ERR_FAIL_INDEX(p_phase,MAX_COLOR_PHASES);
|
|
ERR_FAIL_COND(p_pos<0.0 || p_pos>1.0);
|
|
if(color_ramp.is_valid() && color_ramp->get_points_count() > p_phase)
|
|
{
|
|
return color_ramp->set_offset(p_phase, p_pos);
|
|
}
|
|
}
|
|
|
|
//Deprecated.
|
|
float Particles2D::get_color_phase_pos(int p_phase) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_phase,MAX_COLOR_PHASES,0);
|
|
if(color_ramp.is_valid())
|
|
{
|
|
return color_ramp->get_offset(p_phase);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void Particles2D::set_emission_half_extents(const Vector2& p_extents) {
|
|
|
|
extents=p_extents;
|
|
}
|
|
|
|
Vector2 Particles2D::get_emission_half_extents() const {
|
|
|
|
return extents;
|
|
}
|
|
|
|
void Particles2D::set_initial_velocity(const Vector2& p_velocity) {
|
|
|
|
|
|
initial_velocity=p_velocity;
|
|
}
|
|
Vector2 Particles2D::get_initial_velocity() const{
|
|
|
|
return initial_velocity;
|
|
}
|
|
|
|
|
|
void Particles2D::pre_process(float p_delta) {
|
|
|
|
_process_particles(p_delta);
|
|
}
|
|
|
|
|
|
void Particles2D::set_explosiveness(float p_value) {
|
|
|
|
explosiveness=p_value;
|
|
}
|
|
|
|
float Particles2D::get_explosiveness() const{
|
|
|
|
return explosiveness;
|
|
}
|
|
|
|
void Particles2D::set_flip_h(bool p_flip) {
|
|
|
|
flip_h=p_flip;
|
|
}
|
|
|
|
bool Particles2D::is_flipped_h() const{
|
|
|
|
return flip_h;
|
|
}
|
|
|
|
void Particles2D::set_flip_v(bool p_flip){
|
|
|
|
flip_v=p_flip;
|
|
}
|
|
bool Particles2D::is_flipped_v() const{
|
|
|
|
return flip_v;
|
|
}
|
|
|
|
void Particles2D::set_h_frames(int p_frames) {
|
|
|
|
ERR_FAIL_COND(p_frames<1);
|
|
h_frames=p_frames;
|
|
}
|
|
|
|
int Particles2D::get_h_frames() const{
|
|
|
|
return h_frames;
|
|
}
|
|
|
|
void Particles2D::set_v_frames(int p_frames){
|
|
|
|
ERR_FAIL_COND(p_frames<1);
|
|
v_frames=p_frames;
|
|
}
|
|
int Particles2D::get_v_frames() const{
|
|
|
|
return v_frames;
|
|
}
|
|
|
|
|
|
|
|
void Particles2D::set_emission_points(const PoolVector<Vector2>& p_points) {
|
|
|
|
emission_points=p_points;
|
|
}
|
|
|
|
PoolVector<Vector2> Particles2D::get_emission_points() const{
|
|
|
|
return emission_points;
|
|
}
|
|
|
|
void Particles2D::reset() {
|
|
|
|
for(int i=0;i<particles.size();i++) {
|
|
particles[i].active=false;
|
|
}
|
|
time=0;
|
|
active_count=0;
|
|
}
|
|
|
|
void Particles2D::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emitting","active"),&Particles2D::set_emitting);
|
|
ClassDB::bind_method(D_METHOD("is_emitting"),&Particles2D::is_emitting);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_process_mode","mode"),&Particles2D::set_process_mode);
|
|
ClassDB::bind_method(D_METHOD("get_process_mode"),&Particles2D::get_process_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_amount","amount"),&Particles2D::set_amount);
|
|
ClassDB::bind_method(D_METHOD("get_amount"),&Particles2D::get_amount);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_lifetime","lifetime"),&Particles2D::set_lifetime);
|
|
ClassDB::bind_method(D_METHOD("get_lifetime"),&Particles2D::get_lifetime);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_time_scale","time_scale"),&Particles2D::set_time_scale);
|
|
ClassDB::bind_method(D_METHOD("get_time_scale"),&Particles2D::get_time_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_pre_process_time","time"),&Particles2D::set_pre_process_time);
|
|
ClassDB::bind_method(D_METHOD("get_pre_process_time"),&Particles2D::get_pre_process_time);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_emit_timeout","value"),&Particles2D::set_emit_timeout);
|
|
ClassDB::bind_method(D_METHOD("get_emit_timeout"),&Particles2D::get_emit_timeout);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_param","param","value"),&Particles2D::set_param);
|
|
ClassDB::bind_method(D_METHOD("get_param","param"),&Particles2D::get_param);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_randomness","param","value"),&Particles2D::set_randomness);
|
|
ClassDB::bind_method(D_METHOD("get_randomness","param"),&Particles2D::get_randomness);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_texture:Texture","texture"),&Particles2D::set_texture);
|
|
ClassDB::bind_method(D_METHOD("get_texture:Texture"),&Particles2D::get_texture);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_color","color"),&Particles2D::set_color);
|
|
ClassDB::bind_method(D_METHOD("get_color"),&Particles2D::get_color);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_color_ramp:ColorRamp","color_ramp"),&Particles2D::set_color_ramp);
|
|
ClassDB::bind_method(D_METHOD("get_color_ramp:ColorRamp"),&Particles2D::get_color_ramp);
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ClassDB::bind_method(D_METHOD("set_emissor_offset","offset"),&Particles2D::set_emissor_offset);
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ClassDB::bind_method(D_METHOD("get_emissor_offset"),&Particles2D::get_emissor_offset);
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ClassDB::bind_method(D_METHOD("set_flip_h","enable"),&Particles2D::set_flip_h);
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ClassDB::bind_method(D_METHOD("is_flipped_h"),&Particles2D::is_flipped_h);
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ClassDB::bind_method(D_METHOD("set_flip_v","enable"),&Particles2D::set_flip_v);
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ClassDB::bind_method(D_METHOD("is_flipped_v"),&Particles2D::is_flipped_v);
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ClassDB::bind_method(D_METHOD("set_h_frames","enable"),&Particles2D::set_h_frames);
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ClassDB::bind_method(D_METHOD("get_h_frames"),&Particles2D::get_h_frames);
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ClassDB::bind_method(D_METHOD("set_v_frames","enable"),&Particles2D::set_v_frames);
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ClassDB::bind_method(D_METHOD("get_v_frames"),&Particles2D::get_v_frames);
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ClassDB::bind_method(D_METHOD("set_emission_half_extents","extents"),&Particles2D::set_emission_half_extents);
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ClassDB::bind_method(D_METHOD("get_emission_half_extents"),&Particles2D::get_emission_half_extents);
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ClassDB::bind_method(D_METHOD("set_color_phases","phases"),&Particles2D::set_color_phases);
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ClassDB::bind_method(D_METHOD("get_color_phases"),&Particles2D::get_color_phases);
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ClassDB::bind_method(D_METHOD("set_color_phase_color","phase","color"),&Particles2D::set_color_phase_color);
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ClassDB::bind_method(D_METHOD("get_color_phase_color","phase"),&Particles2D::get_color_phase_color);
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ClassDB::bind_method(D_METHOD("set_color_phase_pos","phase","pos"),&Particles2D::set_color_phase_pos);
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ClassDB::bind_method(D_METHOD("get_color_phase_pos","phase"),&Particles2D::get_color_phase_pos);
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ClassDB::bind_method(D_METHOD("pre_process","time"),&Particles2D::pre_process);
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ClassDB::bind_method(D_METHOD("reset"),&Particles2D::reset);
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ClassDB::bind_method(D_METHOD("set_use_local_space","enable"),&Particles2D::set_use_local_space);
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ClassDB::bind_method(D_METHOD("is_using_local_space"),&Particles2D::is_using_local_space);
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ClassDB::bind_method(D_METHOD("set_initial_velocity","velocity"),&Particles2D::set_initial_velocity);
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ClassDB::bind_method(D_METHOD("get_initial_velocity"),&Particles2D::get_initial_velocity);
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ClassDB::bind_method(D_METHOD("set_explosiveness","amount"),&Particles2D::set_explosiveness);
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ClassDB::bind_method(D_METHOD("get_explosiveness"),&Particles2D::get_explosiveness);
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ClassDB::bind_method(D_METHOD("set_emission_points","points"),&Particles2D::set_emission_points);
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ClassDB::bind_method(D_METHOD("get_emission_points"),&Particles2D::get_emission_points);
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ADD_SIGNAL(MethodInfo("emission_finished"));
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ADD_PROPERTY(PropertyInfo(Variant::INT,"config/amount",PROPERTY_HINT_EXP_RANGE,"1,1024"),"set_amount","get_amount") ;
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"config/lifetime",PROPERTY_HINT_EXP_RANGE,"0.1,3600,0.1"),"set_lifetime","get_lifetime") ;
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ADD_PROPERTYNO(PropertyInfo(Variant::REAL,"config/time_scale",PROPERTY_HINT_EXP_RANGE,"0.01,128,0.01"),"set_time_scale","get_time_scale") ;
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ADD_PROPERTYNZ(PropertyInfo(Variant::REAL,"config/preprocess",PROPERTY_HINT_EXP_RANGE,"0.1,3600,0.1"),"set_pre_process_time","get_pre_process_time") ;
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ADD_PROPERTYNZ(PropertyInfo(Variant::REAL,"config/emit_timeout",PROPERTY_HINT_RANGE,"0,3600,0.1"),"set_emit_timeout","get_emit_timeout") ;
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::BOOL,"config/emitting"),"set_emitting","is_emitting") ;
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT,"config/process_mode",PROPERTY_HINT_ENUM, "Fixed,Idle"),"set_process_mode","get_process_mode");
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|
ADD_PROPERTYNZ(PropertyInfo(Variant::VECTOR2,"config/offset"),"set_emissor_offset","get_emissor_offset");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::VECTOR2,"config/half_extents"),"set_emission_half_extents","get_emission_half_extents");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::BOOL,"config/local_space"),"set_use_local_space","is_using_local_space");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::REAL,"config/explosiveness",PROPERTY_HINT_RANGE,"0,1,0.01"),"set_explosiveness","get_explosiveness");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL,"config/flip_h"),"set_flip_h","is_flipped_h");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL,"config/flip_v"),"set_flip_v","is_flipped_v");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"config/texture",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),"set_texture","get_texture");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::INT,"config/h_frames",PROPERTY_HINT_RANGE,"1,512,1"),"set_h_frames","get_h_frames");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::INT,"config/v_frames",PROPERTY_HINT_RANGE,"1,512,1"),"set_v_frames","get_v_frames");
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|
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|
|
|
for(int i=0;i<PARAM_MAX;i++) {
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL,_particlesframe_property_names[i],PROPERTY_HINT_RANGE,_particlesframe_property_ranges[i]),"set_param","get_param",i);
|
|
}
|
|
|
|
for(int i=0;i<PARAM_MAX;i++) {
|
|
ADD_PROPERTYINZ(PropertyInfo(Variant::REAL,_particlesframe_property_rnames[i],PROPERTY_HINT_RANGE,"-1,1,0.01"),"set_randomness","get_randomness",i);
|
|
}
|
|
|
|
ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "color_phases/count",PROPERTY_HINT_RANGE,"0,4,1", 0), "set_color_phases", "get_color_phases");
|
|
|
|
//Backward compatibility. They will be converted to color ramp
|
|
for(int i=0;i<MAX_COLOR_PHASES;i++) {
|
|
String phase="phase_"+itos(i)+"/";
|
|
ADD_PROPERTYI( PropertyInfo( Variant::REAL, phase+"pos", PROPERTY_HINT_RANGE,"0,1,0.01", 0),"set_color_phase_pos","get_color_phase_pos",i );
|
|
ADD_PROPERTYI( PropertyInfo( Variant::COLOR, phase+"color", PROPERTY_HINT_NONE, "", 0),"set_color_phase_color","get_color_phase_color",i );
|
|
}
|
|
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::COLOR, "color/color"),"set_color","get_color");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"color/color_ramp",PROPERTY_HINT_RESOURCE_TYPE,"ColorRamp"),"set_color_ramp","get_color_ramp");
|
|
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::POOL_VECTOR2_ARRAY,"emission_points",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),"set_emission_points","get_emission_points");
|
|
|
|
BIND_CONSTANT( PARAM_DIRECTION );
|
|
BIND_CONSTANT( PARAM_SPREAD );
|
|
BIND_CONSTANT( PARAM_LINEAR_VELOCITY );
|
|
BIND_CONSTANT( PARAM_SPIN_VELOCITY );
|
|
BIND_CONSTANT( PARAM_ORBIT_VELOCITY );
|
|
BIND_CONSTANT( PARAM_GRAVITY_DIRECTION );
|
|
BIND_CONSTANT( PARAM_GRAVITY_STRENGTH );
|
|
BIND_CONSTANT( PARAM_RADIAL_ACCEL );
|
|
BIND_CONSTANT( PARAM_TANGENTIAL_ACCEL );
|
|
BIND_CONSTANT( PARAM_DAMPING );
|
|
BIND_CONSTANT( PARAM_INITIAL_ANGLE );
|
|
BIND_CONSTANT( PARAM_INITIAL_SIZE );
|
|
BIND_CONSTANT( PARAM_FINAL_SIZE );
|
|
BIND_CONSTANT( PARAM_HUE_VARIATION );
|
|
BIND_CONSTANT( PARAM_ANIM_SPEED_SCALE );
|
|
BIND_CONSTANT( PARAM_ANIM_INITIAL_POS );
|
|
BIND_CONSTANT( PARAM_MAX );
|
|
|
|
BIND_CONSTANT( MAX_COLOR_PHASES );
|
|
|
|
}
|
|
|
|
Particles2D::Particles2D() {
|
|
|
|
for(int i=0;i<PARAM_MAX;i++) {
|
|
|
|
param[i]=0;
|
|
randomness[i]=0;
|
|
}
|
|
|
|
|
|
set_param(PARAM_SPREAD,10);
|
|
set_param(PARAM_LINEAR_VELOCITY,20);
|
|
set_param(PARAM_GRAVITY_STRENGTH,9.8);
|
|
set_param(PARAM_RADIAL_ACCEL,0);
|
|
set_param(PARAM_TANGENTIAL_ACCEL,0);
|
|
set_param(PARAM_INITIAL_ANGLE,0.0);
|
|
set_param(PARAM_INITIAL_SIZE,1.0);
|
|
set_param(PARAM_FINAL_SIZE,1.0);
|
|
set_param(PARAM_ANIM_SPEED_SCALE,1.0);
|
|
|
|
set_color(Color(1,1,1,1));
|
|
|
|
time=0;
|
|
lifetime=2;
|
|
emitting=false;
|
|
particles.resize(32);
|
|
active_count=-1;
|
|
set_emitting(true);
|
|
process_mode=PROCESS_IDLE;
|
|
local_space=true;
|
|
preprocess=0;
|
|
time_scale=1.0;
|
|
|
|
|
|
flip_h=false;
|
|
flip_v=false;
|
|
|
|
v_frames=1;
|
|
h_frames=1;
|
|
|
|
emit_timeout = 0;
|
|
time_to_live = 0;
|
|
explosiveness=1.0;
|
|
}
|