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path: root/scene/2d/cpu_particles_2d.cpp
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Diffstat (limited to 'scene/2d/cpu_particles_2d.cpp')
-rw-r--r--scene/2d/cpu_particles_2d.cpp46
1 files changed, 42 insertions, 4 deletions
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
index 75315bfc6e..1bddc4d22f 100644
--- a/scene/2d/cpu_particles_2d.cpp
+++ b/scene/2d/cpu_particles_2d.cpp
@@ -83,6 +83,10 @@ void CPUParticles2D::set_randomness_ratio(float p_ratio) {
randomness_ratio = p_ratio;
}
+void CPUParticles2D::set_lifetime_randomness(float p_random) {
+
+ lifetime_randomness = p_random;
+}
void CPUParticles2D::set_use_local_coordinates(bool p_enable) {
local_coords = p_enable;
@@ -123,6 +127,10 @@ float CPUParticles2D::get_randomness_ratio() const {
return randomness_ratio;
}
+float CPUParticles2D::get_lifetime_randomness() const {
+
+ return lifetime_randomness;
+}
bool CPUParticles2D::get_use_local_coordinates() const {
@@ -262,6 +270,16 @@ void CPUParticles2D::restart() {
}
}
+void CPUParticles2D::set_direction(Vector2 p_direction) {
+
+ direction = p_direction;
+}
+
+Vector2 CPUParticles2D::get_direction() const {
+
+ return direction;
+}
+
void CPUParticles2D::set_spread(float p_spread) {
spread = p_spread;
@@ -601,6 +619,10 @@ void CPUParticles2D::_particles_process(float p_delta) {
}
}
+ if (p.time * (1.0 - explosiveness_ratio) > p.lifetime) {
+ restart = true;
+ }
+
if (restart) {
if (!emitting) {
@@ -631,7 +653,7 @@ void CPUParticles2D::_particles_process(float p_delta) {
p.hue_rot_rand = Math::randf();
p.anim_offset_rand = Math::randf();
- float angle1_rad = (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
+ 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]);
@@ -644,6 +666,7 @@ void CPUParticles2D::_particles_process(float p_delta) {
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) {
@@ -651,8 +674,9 @@ void CPUParticles2D::_particles_process(float p_delta) {
//do none
} break;
case EMISSION_SHAPE_SPHERE: {
- Vector3 sphere_shape = Vector3(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0).normalized() * emission_sphere_radius;
- p.transform[2] = Vector2(sphere_shape.x, sphere_shape.y);
+ 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;
@@ -685,6 +709,8 @@ void CPUParticles2D::_particles_process(float p_delta) {
} else if (!p.active) {
continue;
+ } else if (p.time > p.lifetime) {
+ p.active = false;
} else {
uint32_t alt_seed = p.seed;
@@ -1121,6 +1147,8 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
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());
@@ -1140,6 +1168,7 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
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)); \
@@ -1174,6 +1203,7 @@ void CPUParticles2D::_bind_methods() {
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);
@@ -1186,6 +1216,7 @@ void CPUParticles2D::_bind_methods() {
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);
@@ -1212,6 +1243,7 @@ void CPUParticles2D::_bind_methods() {
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", "");
@@ -1226,6 +1258,9 @@ void CPUParticles2D::_bind_methods() {
////////////////////////////////
+ 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);
@@ -1284,7 +1319,8 @@ void CPUParticles2D::_bind_methods() {
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("Spread", "");
+ 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", "");
@@ -1387,11 +1423,13 @@ CPUParticles2D::CPUParticles2D() {
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);