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virtualx-engine/scene/3d/camera_3d.cpp
Rémi Verschelde 94721f5ab8 Revert "Renamed plane's d to distance" 
This reverts commit ec7b481170.

This was wrong, `d` is not a distance but the `d` constant in the
parametric equation `ax + by + cz = d` describing the plane.
2020-05-10 16:47:11 +02:00

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/*************************************************************************/
/* camera_3d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "camera_3d.h"
#include "collision_object_3d.h"
#include "core/engine.h"
#include "core/math/camera_matrix.h"
#include "scene/resources/material.h"
#include "scene/resources/surface_tool.h"
void Camera3D::_update_audio_listener_state() {
}
void Camera3D::_request_camera_update() {
_update_camera();
}
void Camera3D::_update_camera_mode() {
force_change = true;
switch (mode) {
case PROJECTION_PERSPECTIVE: {
set_perspective(fov, near, far);
} break;
case PROJECTION_ORTHOGONAL: {
set_orthogonal(size, near, far);
} break;
case PROJECTION_FRUSTUM: {
set_frustum(size, frustum_offset, near, far);
} break;
}
}
void Camera3D::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "fov") {
if (mode != PROJECTION_PERSPECTIVE) {
p_property.usage = PROPERTY_USAGE_NOEDITOR;
}
} else if (p_property.name == "size") {
if (mode != PROJECTION_ORTHOGONAL && mode != PROJECTION_FRUSTUM) {
p_property.usage = PROPERTY_USAGE_NOEDITOR;
}
} else if (p_property.name == "frustum_offset") {
if (mode != PROJECTION_FRUSTUM) {
p_property.usage = PROPERTY_USAGE_NOEDITOR;
}
}
}
void Camera3D::_update_camera() {
if (!is_inside_tree())
return;
RenderingServer::get_singleton()->camera_set_transform(camera, get_camera_transform());
// here goes listener stuff
/*
if (viewport_ptr && is_inside_scene() && is_current())
get_viewport()->_camera_transform_changed_notify();
*/
if (get_tree()->is_node_being_edited(this) || !is_current())
return;
get_viewport()->_camera_transform_changed_notify();
if (get_world_3d().is_valid()) {
get_world_3d()->_update_camera(this);
}
}
void Camera3D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_WORLD: {
// Needs to track the Viewport because it's needed on NOTIFICATION_EXIT_WORLD
// and Spatial will handle it first, including clearing its reference to the Viewport,
// therefore making it impossible to subclasses to access it
viewport = get_viewport();
ERR_FAIL_COND(!viewport);
bool first_camera = viewport->_camera_add(this);
if (current || first_camera)
viewport->_camera_set(this);
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
_request_camera_update();
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
velocity_tracker->update_position(get_global_transform().origin);
}
} break;
case NOTIFICATION_EXIT_WORLD: {
if (!get_tree()->is_node_being_edited(this)) {
if (is_current()) {
clear_current();
current = true; //keep it true
} else {
current = false;
}
}
if (viewport) {
viewport->_camera_remove(this);
viewport = nullptr;
}
} break;
case NOTIFICATION_BECAME_CURRENT: {
if (viewport) {
viewport->find_world_3d()->_register_camera(this);
}
} break;
case NOTIFICATION_LOST_CURRENT: {
if (viewport) {
viewport->find_world_3d()->_remove_camera(this);
}
} break;
}
}
Transform Camera3D::get_camera_transform() const {
Transform tr = get_global_transform().orthonormalized();
tr.origin += tr.basis.get_axis(1) * v_offset;
tr.origin += tr.basis.get_axis(0) * h_offset;
return tr;
}
void Camera3D::set_perspective(float p_fovy_degrees, float p_z_near, float p_z_far) {
if (!force_change && fov == p_fovy_degrees && p_z_near == near && p_z_far == far && mode == PROJECTION_PERSPECTIVE)
return;
fov = p_fovy_degrees;
near = p_z_near;
far = p_z_far;
mode = PROJECTION_PERSPECTIVE;
RenderingServer::get_singleton()->camera_set_perspective(camera, fov, near, far);
update_gizmo();
force_change = false;
}
void Camera3D::set_orthogonal(float p_size, float p_z_near, float p_z_far) {
if (!force_change && size == p_size && p_z_near == near && p_z_far == far && mode == PROJECTION_ORTHOGONAL)
return;
size = p_size;
near = p_z_near;
far = p_z_far;
mode = PROJECTION_ORTHOGONAL;
force_change = false;
RenderingServer::get_singleton()->camera_set_orthogonal(camera, size, near, far);
update_gizmo();
}
void Camera3D::set_frustum(float p_size, Vector2 p_offset, float p_z_near, float p_z_far) {
if (!force_change && size == p_size && frustum_offset == p_offset && p_z_near == near && p_z_far == far && mode == PROJECTION_FRUSTUM)
return;
size = p_size;
frustum_offset = p_offset;
near = p_z_near;
far = p_z_far;
mode = PROJECTION_FRUSTUM;
force_change = false;
RenderingServer::get_singleton()->camera_set_frustum(camera, size, frustum_offset, near, far);
update_gizmo();
}
void Camera3D::set_projection(Camera3D::Projection p_mode) {
if (p_mode == PROJECTION_PERSPECTIVE || p_mode == PROJECTION_ORTHOGONAL || p_mode == PROJECTION_FRUSTUM) {
mode = p_mode;
_update_camera_mode();
_change_notify();
}
}
RID Camera3D::get_camera() const {
return camera;
};
void Camera3D::make_current() {
current = true;
if (!is_inside_tree())
return;
get_viewport()->_camera_set(this);
//get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,camera_group,"_camera_make_current",this);
}
void Camera3D::clear_current(bool p_enable_next) {
current = false;
if (!is_inside_tree())
return;
if (get_viewport()->get_camera() == this) {
get_viewport()->_camera_set(nullptr);
if (p_enable_next) {
get_viewport()->_camera_make_next_current(this);
}
}
}
void Camera3D::set_current(bool p_current) {
if (p_current) {
make_current();
} else {
clear_current();
}
}
bool Camera3D::is_current() const {
if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) {
return get_viewport()->get_camera() == this;
} else
return current;
}
bool Camera3D::_can_gizmo_scale() const {
return false;
}
Vector3 Camera3D::project_ray_normal(const Point2 &p_pos) const {
Vector3 ray = project_local_ray_normal(p_pos);
return get_camera_transform().basis.xform(ray).normalized();
};
Vector3 Camera3D::project_local_ray_normal(const Point2 &p_pos) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_camera_rect_size();
Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
Vector3 ray;
if (mode == PROJECTION_ORTHOGONAL) {
ray = Vector3(0, 0, -1);
} else {
CameraMatrix cm;
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
Vector2 screen_he = cm.get_viewport_half_extents();
ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_he.y, -near).normalized();
}
return ray;
};
Vector3 Camera3D::project_ray_origin(const Point2 &p_pos) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_camera_rect_size();
Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
ERR_FAIL_COND_V(viewport_size.y == 0, Vector3());
if (mode == PROJECTION_PERSPECTIVE) {
return get_camera_transform().origin;
} else {
Vector2 pos = cpos / viewport_size;
float vsize, hsize;
if (keep_aspect == KEEP_WIDTH) {
vsize = size / viewport_size.aspect();
hsize = size;
} else {
hsize = size * viewport_size.aspect();
vsize = size;
}
Vector3 ray;
ray.x = pos.x * (hsize)-hsize / 2;
ray.y = (1.0 - pos.y) * (vsize)-vsize / 2;
ray.z = -near;
ray = get_camera_transform().xform(ray);
return ray;
};
};
bool Camera3D::is_position_behind(const Vector3 &p_pos) const {
Transform t = get_global_transform();
Vector3 eyedir = -get_global_transform().basis.get_axis(2).normalized();
return eyedir.dot(p_pos) < (eyedir.dot(t.origin) + near);
}
Vector<Vector3> Camera3D::get_near_plane_points() const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector<Vector3>(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_ORTHOGONAL)
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
else
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
Vector3 endpoints[8];
cm.get_endpoints(Transform(), endpoints);
Vector<Vector3> points;
points.push_back(Vector3());
for (int i = 0; i < 4; i++) {
points.push_back(endpoints[i + 4]);
}
return points;
}
Point2 Camera3D::unproject_position(const Vector3 &p_pos) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector2(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_ORTHOGONAL)
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
else
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
Plane p(get_camera_transform().xform_inv(p_pos), 1.0);
p = cm.xform4(p);
p.normal /= p.d;
Point2 res;
res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x;
res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y;
return res;
}
Vector3 Camera3D::project_position(const Point2 &p_point, float p_z_depth) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene.");
if (p_z_depth == 0 && mode != PROJECTION_ORTHOGONAL) {
return get_global_transform().origin;
}
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_ORTHOGONAL)
cm.set_orthogonal(size, viewport_size.aspect(), p_z_depth, far, keep_aspect == KEEP_WIDTH);
else
cm.set_perspective(fov, viewport_size.aspect(), p_z_depth, far, keep_aspect == KEEP_WIDTH);
Vector2 vp_he = cm.get_viewport_half_extents();
Vector2 point;
point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
point *= vp_he;
Vector3 p(point.x, point.y, -p_z_depth);
return get_camera_transform().xform(p);
}
void Camera3D::set_environment(const Ref<Environment> &p_environment) {
environment = p_environment;
if (environment.is_valid())
RS::get_singleton()->camera_set_environment(camera, environment->get_rid());
else
RS::get_singleton()->camera_set_environment(camera, RID());
_update_camera_mode();
}
Ref<Environment> Camera3D::get_environment() const {
return environment;
}
void Camera3D::set_effects(const Ref<CameraEffects> &p_effects) {
effects = p_effects;
if (effects.is_valid())
RS::get_singleton()->camera_set_camera_effects(camera, effects->get_rid());
else
RS::get_singleton()->camera_set_camera_effects(camera, RID());
_update_camera_mode();
}
Ref<CameraEffects> Camera3D::get_effects() const {
return effects;
}
void Camera3D::set_keep_aspect_mode(KeepAspect p_aspect) {
keep_aspect = p_aspect;
RenderingServer::get_singleton()->camera_set_use_vertical_aspect(camera, p_aspect == KEEP_WIDTH);
_update_camera_mode();
_change_notify();
}
Camera3D::KeepAspect Camera3D::get_keep_aspect_mode() const {
return keep_aspect;
}
void Camera3D::set_doppler_tracking(DopplerTracking p_tracking) {
if (doppler_tracking == p_tracking)
return;
doppler_tracking = p_tracking;
if (p_tracking != DOPPLER_TRACKING_DISABLED) {
velocity_tracker->set_track_physics_step(doppler_tracking == DOPPLER_TRACKING_PHYSICS_STEP);
if (is_inside_tree()) {
velocity_tracker->reset(get_global_transform().origin);
}
}
_update_camera_mode();
}
Camera3D::DopplerTracking Camera3D::get_doppler_tracking() const {
return doppler_tracking;
}
void Camera3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("project_ray_normal", "screen_point"), &Camera3D::project_ray_normal);
ClassDB::bind_method(D_METHOD("project_local_ray_normal", "screen_point"), &Camera3D::project_local_ray_normal);
ClassDB::bind_method(D_METHOD("project_ray_origin", "screen_point"), &Camera3D::project_ray_origin);
ClassDB::bind_method(D_METHOD("unproject_position", "world_point"), &Camera3D::unproject_position);
ClassDB::bind_method(D_METHOD("is_position_behind", "world_point"), &Camera3D::is_position_behind);
ClassDB::bind_method(D_METHOD("project_position", "screen_point", "z_depth"), &Camera3D::project_position);
ClassDB::bind_method(D_METHOD("set_perspective", "fov", "z_near", "z_far"), &Camera3D::set_perspective);
ClassDB::bind_method(D_METHOD("set_orthogonal", "size", "z_near", "z_far"), &Camera3D::set_orthogonal);
ClassDB::bind_method(D_METHOD("set_frustum", "size", "offset", "z_near", "z_far"), &Camera3D::set_frustum);
ClassDB::bind_method(D_METHOD("make_current"), &Camera3D::make_current);
ClassDB::bind_method(D_METHOD("clear_current", "enable_next"), &Camera3D::clear_current, DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_current"), &Camera3D::set_current);
ClassDB::bind_method(D_METHOD("is_current"), &Camera3D::is_current);
ClassDB::bind_method(D_METHOD("get_camera_transform"), &Camera3D::get_camera_transform);
ClassDB::bind_method(D_METHOD("get_fov"), &Camera3D::get_fov);
ClassDB::bind_method(D_METHOD("get_frustum_offset"), &Camera3D::get_frustum_offset);
ClassDB::bind_method(D_METHOD("get_size"), &Camera3D::get_size);
ClassDB::bind_method(D_METHOD("get_zfar"), &Camera3D::get_zfar);
ClassDB::bind_method(D_METHOD("get_znear"), &Camera3D::get_znear);
ClassDB::bind_method(D_METHOD("set_fov"), &Camera3D::set_fov);
ClassDB::bind_method(D_METHOD("set_frustum_offset"), &Camera3D::set_frustum_offset);
ClassDB::bind_method(D_METHOD("set_size"), &Camera3D::set_size);
ClassDB::bind_method(D_METHOD("set_zfar"), &Camera3D::set_zfar);
ClassDB::bind_method(D_METHOD("set_znear"), &Camera3D::set_znear);
ClassDB::bind_method(D_METHOD("get_projection"), &Camera3D::get_projection);
ClassDB::bind_method(D_METHOD("set_projection"), &Camera3D::set_projection);
ClassDB::bind_method(D_METHOD("set_h_offset", "ofs"), &Camera3D::set_h_offset);
ClassDB::bind_method(D_METHOD("get_h_offset"), &Camera3D::get_h_offset);
ClassDB::bind_method(D_METHOD("set_v_offset", "ofs"), &Camera3D::set_v_offset);
ClassDB::bind_method(D_METHOD("get_v_offset"), &Camera3D::get_v_offset);
ClassDB::bind_method(D_METHOD("set_cull_mask", "mask"), &Camera3D::set_cull_mask);
ClassDB::bind_method(D_METHOD("get_cull_mask"), &Camera3D::get_cull_mask);
ClassDB::bind_method(D_METHOD("set_environment", "env"), &Camera3D::set_environment);
ClassDB::bind_method(D_METHOD("get_environment"), &Camera3D::get_environment);
ClassDB::bind_method(D_METHOD("set_effects", "env"), &Camera3D::set_effects);
ClassDB::bind_method(D_METHOD("get_effects"), &Camera3D::get_effects);
ClassDB::bind_method(D_METHOD("set_keep_aspect_mode", "mode"), &Camera3D::set_keep_aspect_mode);
ClassDB::bind_method(D_METHOD("get_keep_aspect_mode"), &Camera3D::get_keep_aspect_mode);
ClassDB::bind_method(D_METHOD("set_doppler_tracking", "mode"), &Camera3D::set_doppler_tracking);
ClassDB::bind_method(D_METHOD("get_doppler_tracking"), &Camera3D::get_doppler_tracking);
ClassDB::bind_method(D_METHOD("get_frustum"), &Camera3D::get_frustum);
ClassDB::bind_method(D_METHOD("get_camera_rid"), &Camera3D::get_camera);
ClassDB::bind_method(D_METHOD("set_cull_mask_bit", "layer", "enable"), &Camera3D::set_cull_mask_bit);
ClassDB::bind_method(D_METHOD("get_cull_mask_bit", "layer"), &Camera3D::get_cull_mask_bit);
//ClassDB::bind_method(D_METHOD("_camera_make_current"),&Camera::_camera_make_current );
ADD_PROPERTY(PropertyInfo(Variant::INT, "keep_aspect", PROPERTY_HINT_ENUM, "Keep Width,Keep Height"), "set_keep_aspect_mode", "get_keep_aspect_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_cull_mask", "get_cull_mask");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "environment", PROPERTY_HINT_RESOURCE_TYPE, "Environment"), "set_environment", "get_environment");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "effects", PROPERTY_HINT_RESOURCE_TYPE, "CameraEffects"), "set_effects", "get_effects");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "h_offset"), "set_h_offset", "get_h_offset");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "v_offset"), "set_v_offset", "get_v_offset");
ADD_PROPERTY(PropertyInfo(Variant::INT, "doppler_tracking", PROPERTY_HINT_ENUM, "Disabled,Idle,Physics"), "set_doppler_tracking", "get_doppler_tracking");
ADD_PROPERTY(PropertyInfo(Variant::INT, "projection", PROPERTY_HINT_ENUM, "Perspective,Orthogonal,Frustum"), "set_projection", "get_projection");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "current"), "set_current", "is_current");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "fov", PROPERTY_HINT_RANGE, "1,179,0.1"), "set_fov", "get_fov");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "size", PROPERTY_HINT_RANGE, "0.1,16384,0.01"), "set_size", "get_size");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "frustum_offset"), "set_frustum_offset", "get_frustum_offset");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "near", PROPERTY_HINT_EXP_RANGE, "0.01,8192,0.01,or_greater"), "set_znear", "get_znear");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "far", PROPERTY_HINT_EXP_RANGE, "0.1,8192,0.1,or_greater"), "set_zfar", "get_zfar");
BIND_ENUM_CONSTANT(PROJECTION_PERSPECTIVE);
BIND_ENUM_CONSTANT(PROJECTION_ORTHOGONAL);
BIND_ENUM_CONSTANT(PROJECTION_FRUSTUM);
BIND_ENUM_CONSTANT(KEEP_WIDTH);
BIND_ENUM_CONSTANT(KEEP_HEIGHT);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_DISABLED);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_IDLE_STEP);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_PHYSICS_STEP);
}
float Camera3D::get_fov() const {
return fov;
}
float Camera3D::get_size() const {
return size;
}
float Camera3D::get_znear() const {
return near;
}
Vector2 Camera3D::get_frustum_offset() const {
return frustum_offset;
}
float Camera3D::get_zfar() const {
return far;
}
Camera3D::Projection Camera3D::get_projection() const {
return mode;
}
void Camera3D::set_fov(float p_fov) {
ERR_FAIL_COND(p_fov < 1 || p_fov > 179);
fov = p_fov;
_update_camera_mode();
_change_notify("fov");
}
void Camera3D::set_size(float p_size) {
ERR_FAIL_COND(p_size < 0.1 || p_size > 16384);
size = p_size;
_update_camera_mode();
_change_notify("size");
}
void Camera3D::set_znear(float p_znear) {
near = p_znear;
_update_camera_mode();
}
void Camera3D::set_frustum_offset(Vector2 p_offset) {
frustum_offset = p_offset;
_update_camera_mode();
}
void Camera3D::set_zfar(float p_zfar) {
far = p_zfar;
_update_camera_mode();
}
void Camera3D::set_cull_mask(uint32_t p_layers) {
layers = p_layers;
RenderingServer::get_singleton()->camera_set_cull_mask(camera, layers);
_update_camera_mode();
}
uint32_t Camera3D::get_cull_mask() const {
return layers;
}
void Camera3D::set_cull_mask_bit(int p_layer, bool p_enable) {
ERR_FAIL_INDEX(p_layer, 32);
if (p_enable) {
set_cull_mask(layers | (1 << p_layer));
} else {
set_cull_mask(layers & (~(1 << p_layer)));
}
}
bool Camera3D::get_cull_mask_bit(int p_layer) const {
ERR_FAIL_INDEX_V(p_layer, 32, false);
return (layers & (1 << p_layer));
}
Vector<Plane> Camera3D::get_frustum() const {
ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>());
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_PERSPECTIVE)
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
else
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
return cm.get_projection_planes(get_camera_transform());
}
void Camera3D::set_v_offset(float p_offset) {
v_offset = p_offset;
_update_camera();
}
float Camera3D::get_v_offset() const {
return v_offset;
}
void Camera3D::set_h_offset(float p_offset) {
h_offset = p_offset;
_update_camera();
}
float Camera3D::get_h_offset() const {
return h_offset;
}
Vector3 Camera3D::get_doppler_tracked_velocity() const {
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
return velocity_tracker->get_tracked_linear_velocity();
} else {
return Vector3();
}
}
Camera3D::Camera3D() {
camera = RenderingServer::get_singleton()->camera_create();
size = 1;
fov = 0;
frustum_offset = Vector2();
near = 0;
far = 0;
current = false;
viewport = nullptr;
force_change = false;
mode = PROJECTION_PERSPECTIVE;
set_perspective(75.0, 0.05, 100.0);
keep_aspect = KEEP_HEIGHT;
layers = 0xfffff;
v_offset = 0;
h_offset = 0;
RenderingServer::get_singleton()->camera_set_cull_mask(camera, layers);
//active=false;
velocity_tracker.instance();
doppler_tracking = DOPPLER_TRACKING_DISABLED;
set_notify_transform(true);
set_disable_scale(true);
}
Camera3D::~Camera3D() {
RenderingServer::get_singleton()->free(camera);
}
////////////////////////////////////////
void ClippedCamera3D::set_margin(float p_margin) {
margin = p_margin;
}
float ClippedCamera3D::get_margin() const {
return margin;
}
void ClippedCamera3D::set_process_mode(ProcessMode p_mode) {
if (process_mode == p_mode) {
return;
}
process_mode = p_mode;
set_process_internal(process_mode == CLIP_PROCESS_IDLE);
set_physics_process_internal(process_mode == CLIP_PROCESS_PHYSICS);
}
ClippedCamera3D::ProcessMode ClippedCamera3D::get_process_mode() const {
return process_mode;
}
Transform ClippedCamera3D::get_camera_transform() const {
Transform t = Camera3D::get_camera_transform();
t.origin += -t.basis.get_axis(Vector3::AXIS_Z).normalized() * clip_offset;
return t;
}
void ClippedCamera3D::_notification(int p_what) {
if (p_what == NOTIFICATION_INTERNAL_PROCESS || p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) {
Node3D *parent = Object::cast_to<Node3D>(get_parent());
if (!parent) {
return;
}
PhysicsDirectSpaceState3D *dspace = get_world_3d()->get_direct_space_state();
ERR_FAIL_COND(!dspace); // most likely physics set to threads
Vector3 cam_fw = -get_global_transform().basis.get_axis(Vector3::AXIS_Z).normalized();
Vector3 cam_pos = get_global_transform().origin;
Vector3 parent_pos = parent->get_global_transform().origin;
Plane parent_plane(parent_pos, cam_fw);
if (parent_plane.is_point_over(cam_pos)) {
//cam is beyond parent plane
return;
}
Vector3 ray_from = parent_plane.project(cam_pos);
clip_offset = 0; //reset by defau;t
{ //check if points changed
Vector<Vector3> local_points = get_near_plane_points();
bool all_equal = true;
for (int i = 0; i < 5; i++) {
if (points[i] != local_points[i]) {
all_equal = false;
break;
}
}
if (!all_equal) {
PhysicsServer3D::get_singleton()->shape_set_data(pyramid_shape, local_points);
points = local_points;
}
}
Transform xf = get_global_transform();
xf.origin = ray_from;
xf.orthonormalize();
float csafe, cunsafe;
if (dspace->cast_motion(pyramid_shape, xf, cam_pos - ray_from, margin, csafe, cunsafe, exclude, collision_mask, clip_to_bodies, clip_to_areas)) {
clip_offset = cam_pos.distance_to(ray_from + (cam_pos - ray_from) * csafe);
}
_update_camera();
}
if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) {
update_gizmo();
}
}
void ClippedCamera3D::set_collision_mask(uint32_t p_mask) {
collision_mask = p_mask;
}
uint32_t ClippedCamera3D::get_collision_mask() const {
return collision_mask;
}
void ClippedCamera3D::set_collision_mask_bit(int p_bit, bool p_value) {
uint32_t mask = get_collision_mask();
if (p_value)
mask |= 1 << p_bit;
else
mask &= ~(1 << p_bit);
set_collision_mask(mask);
}
bool ClippedCamera3D::get_collision_mask_bit(int p_bit) const {
return get_collision_mask() & (1 << p_bit);
}
void ClippedCamera3D::add_exception_rid(const RID &p_rid) {
exclude.insert(p_rid);
}
void ClippedCamera3D::add_exception(const Object *p_object) {
ERR_FAIL_NULL(p_object);
const CollisionObject3D *co = Object::cast_to<CollisionObject3D>(p_object);
if (!co)
return;
add_exception_rid(co->get_rid());
}
void ClippedCamera3D::remove_exception_rid(const RID &p_rid) {
exclude.erase(p_rid);
}
void ClippedCamera3D::remove_exception(const Object *p_object) {
ERR_FAIL_NULL(p_object);
const CollisionObject3D *co = Object::cast_to<CollisionObject3D>(p_object);
if (!co)
return;
remove_exception_rid(co->get_rid());
}
void ClippedCamera3D::clear_exceptions() {
exclude.clear();
}
float ClippedCamera3D::get_clip_offset() const {
return clip_offset;
}
void ClippedCamera3D::set_clip_to_areas(bool p_clip) {
clip_to_areas = p_clip;
}
bool ClippedCamera3D::is_clip_to_areas_enabled() const {
return clip_to_areas;
}
void ClippedCamera3D::set_clip_to_bodies(bool p_clip) {
clip_to_bodies = p_clip;
}
bool ClippedCamera3D::is_clip_to_bodies_enabled() const {
return clip_to_bodies;
}
void ClippedCamera3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_margin", "margin"), &ClippedCamera3D::set_margin);
ClassDB::bind_method(D_METHOD("get_margin"), &ClippedCamera3D::get_margin);
ClassDB::bind_method(D_METHOD("set_process_mode", "process_mode"), &ClippedCamera3D::set_process_mode);
ClassDB::bind_method(D_METHOD("get_process_mode"), &ClippedCamera3D::get_process_mode);
ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &ClippedCamera3D::set_collision_mask);
ClassDB::bind_method(D_METHOD("get_collision_mask"), &ClippedCamera3D::get_collision_mask);
ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &ClippedCamera3D::set_collision_mask_bit);
ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &ClippedCamera3D::get_collision_mask_bit);
ClassDB::bind_method(D_METHOD("add_exception_rid", "rid"), &ClippedCamera3D::add_exception_rid);
ClassDB::bind_method(D_METHOD("add_exception", "node"), &ClippedCamera3D::add_exception);
ClassDB::bind_method(D_METHOD("remove_exception_rid", "rid"), &ClippedCamera3D::remove_exception_rid);
ClassDB::bind_method(D_METHOD("remove_exception", "node"), &ClippedCamera3D::remove_exception);
ClassDB::bind_method(D_METHOD("set_clip_to_areas", "enable"), &ClippedCamera3D::set_clip_to_areas);
ClassDB::bind_method(D_METHOD("is_clip_to_areas_enabled"), &ClippedCamera3D::is_clip_to_areas_enabled);
ClassDB::bind_method(D_METHOD("get_clip_offset"), &ClippedCamera3D::get_clip_offset);
ClassDB::bind_method(D_METHOD("set_clip_to_bodies", "enable"), &ClippedCamera3D::set_clip_to_bodies);
ClassDB::bind_method(D_METHOD("is_clip_to_bodies_enabled"), &ClippedCamera3D::is_clip_to_bodies_enabled);
ClassDB::bind_method(D_METHOD("clear_exceptions"), &ClippedCamera3D::clear_exceptions);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "margin", PROPERTY_HINT_RANGE, "0,32,0.01"), "set_margin", "get_margin");
ADD_PROPERTY(PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_process_mode", "get_process_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");
ADD_GROUP("Clip To", "clip_to");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_to_areas", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_clip_to_areas", "is_clip_to_areas_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_to_bodies", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_clip_to_bodies", "is_clip_to_bodies_enabled");
BIND_ENUM_CONSTANT(CLIP_PROCESS_PHYSICS);
BIND_ENUM_CONSTANT(CLIP_PROCESS_IDLE);
}
ClippedCamera3D::ClippedCamera3D() {
margin = 0;
clip_offset = 0;
process_mode = CLIP_PROCESS_PHYSICS;
set_physics_process_internal(true);
collision_mask = 1;
set_notify_local_transform(Engine::get_singleton()->is_editor_hint());
points.resize(5);
pyramid_shape = PhysicsServer3D::get_singleton()->shape_create(PhysicsServer3D::SHAPE_CONVEX_POLYGON);
clip_to_areas = false;
clip_to_bodies = true;
}
ClippedCamera3D::~ClippedCamera3D() {
PhysicsServer3D::get_singleton()->free(pyramid_shape);
}
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