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-rw-r--r--scene/2d/cpu_particles_2d.cpp25
-rw-r--r--scene/2d/cpu_particles_2d.h5
-rw-r--r--scene/3d/cpu_particles_3d.cpp25
-rw-r--r--scene/3d/cpu_particles_3d.h5
-rw-r--r--scene/resources/particles_material.cpp34
-rw-r--r--scene/resources/particles_material.h5
6 files changed, 97 insertions, 2 deletions
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
index bb3deb867f..3bc212ffca 100644
--- a/scene/2d/cpu_particles_2d.cpp
+++ b/scene/2d/cpu_particles_2d.cpp
@@ -398,6 +398,14 @@ Ref<Gradient> CPUParticles2D::get_color_ramp() const {
return color_ramp;
}
+void CPUParticles2D::set_color_initial_ramp(const Ref<Gradient> &p_ramp) {
+ color_initial_ramp = p_ramp;
+}
+
+Ref<Gradient> CPUParticles2D::get_color_initial_ramp() const {
+ return color_initial_ramp;
+}
+
void CPUParticles2D::set_particle_flag(ParticleFlags p_particle_flag, bool p_enable) {
ERR_FAIL_INDEX(p_particle_flag, PARTICLE_FLAG_MAX);
particle_flags[p_particle_flag] = p_enable;
@@ -727,6 +735,12 @@ void CPUParticles2D::_particles_process(double p_delta) {
p.hue_rot_rand = Math::randf();
p.anim_offset_rand = Math::randf();
+ if (color_initial_ramp.is_valid()) {
+ p.start_color_rand = color_initial_ramp->get_color_at_offset(Math::randf());
+ } else {
+ p.start_color_rand = Color(1, 1, 1, 1);
+ }
+
real_t angle1_rad = direction.angle() + Math::deg2rad((Math::randf() * 2.0 - 1.0) * spread);
Vector2 rot = Vector2(Math::cos(angle1_rad), Math::sin(angle1_rad));
p.velocity = rot * Math::lerp(parameters_min[PARAM_INITIAL_LINEAR_VELOCITY], parameters_min[PARAM_INITIAL_LINEAR_VELOCITY], (real_t)Math::randf());
@@ -946,7 +960,7 @@ void CPUParticles2D::_particles_process(double p_delta) {
p.color.g = color_rgb.y;
p.color.b = color_rgb.z;
- p.color *= p.base_color;
+ p.color *= p.base_color * p.start_color_rand;
if (particle_flags[PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY]) {
if (p.velocity.length() > 0.0) {
@@ -1173,6 +1187,11 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
set_color_ramp(gt->get_gradient());
}
+ Ref<GradientTexture1D> gti = material->get_color_initial_ramp();
+ if (gti.is_valid()) {
+ set_color_initial_ramp(gti->get_gradient());
+ }
+
set_particle_flag(PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY, material->get_particle_flag(ParticlesMaterial::PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY));
set_emission_shape(EmissionShape(material->get_emission_shape()));
@@ -1295,6 +1314,9 @@ void CPUParticles2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_color_ramp", "ramp"), &CPUParticles2D::set_color_ramp);
ClassDB::bind_method(D_METHOD("get_color_ramp"), &CPUParticles2D::get_color_ramp);
+ ClassDB::bind_method(D_METHOD("set_color_initial_ramp", "ramp"), &CPUParticles2D::set_color_initial_ramp);
+ ClassDB::bind_method(D_METHOD("get_color_initial_ramp"), &CPUParticles2D::get_color_initial_ramp);
+
ClassDB::bind_method(D_METHOD("set_particle_flag", "particle_flag", "enable"), &CPUParticles2D::set_particle_flag);
ClassDB::bind_method(D_METHOD("get_particle_flag", "particle_flag"), &CPUParticles2D::get_particle_flag);
@@ -1386,6 +1408,7 @@ void CPUParticles2D::_bind_methods() {
ADD_GROUP("Color", "");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_color_ramp", "get_color_ramp");
+ ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_initial_ramp", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_color_initial_ramp", "get_color_initial_ramp");
ADD_GROUP("Hue Variation", "hue_");
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION);
diff --git a/scene/2d/cpu_particles_2d.h b/scene/2d/cpu_particles_2d.h
index 391f51224e..3cb3d64855 100644
--- a/scene/2d/cpu_particles_2d.h
+++ b/scene/2d/cpu_particles_2d.h
@@ -89,6 +89,7 @@ private:
real_t scale_rand = 0.0;
real_t hue_rot_rand = 0.0;
real_t anim_offset_rand = 0.0;
+ Color start_color_rand;
double time = 0.0;
double lifetime = 0.0;
Color base_color;
@@ -156,6 +157,7 @@ private:
Ref<Curve> curve_parameters[PARAM_MAX];
Color color;
Ref<Gradient> color_ramp;
+ Ref<Gradient> color_initial_ramp;
bool particle_flags[PARTICLE_FLAG_MAX];
@@ -250,6 +252,9 @@ public:
void set_color_ramp(const Ref<Gradient> &p_ramp);
Ref<Gradient> get_color_ramp() const;
+ void set_color_initial_ramp(const Ref<Gradient> &p_ramp);
+ Ref<Gradient> get_color_initial_ramp() const;
+
void set_particle_flag(ParticleFlags p_particle_flag, bool p_enable);
bool get_particle_flag(ParticleFlags p_particle_flag) const;
diff --git a/scene/3d/cpu_particles_3d.cpp b/scene/3d/cpu_particles_3d.cpp
index 784c0680ff..905a137001 100644
--- a/scene/3d/cpu_particles_3d.cpp
+++ b/scene/3d/cpu_particles_3d.cpp
@@ -368,6 +368,14 @@ Ref<Gradient> CPUParticles3D::get_color_ramp() const {
return color_ramp;
}
+void CPUParticles3D::set_color_initial_ramp(const Ref<Gradient> &p_ramp) {
+ color_initial_ramp = p_ramp;
+}
+
+Ref<Gradient> CPUParticles3D::get_color_initial_ramp() const {
+ return color_initial_ramp;
+}
+
void CPUParticles3D::set_particle_flag(ParticleFlags p_particle_flag, bool p_enable) {
ERR_FAIL_INDEX(p_particle_flag, PARTICLE_FLAG_MAX);
particle_flags[p_particle_flag] = p_enable;
@@ -748,6 +756,12 @@ void CPUParticles3D::_particles_process(double p_delta) {
p.hue_rot_rand = Math::randf();
p.anim_offset_rand = Math::randf();
+ if (color_initial_ramp.is_valid()) {
+ p.start_color_rand = color_initial_ramp->get_color_at_offset(Math::randf());
+ } else {
+ p.start_color_rand = Color(1, 1, 1, 1);
+ }
+
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
real_t angle1_rad = Math::atan2(direction.y, direction.x) + Math::deg2rad((Math::randf() * 2.0 - 1.0) * spread);
Vector3 rot = Vector3(Math::cos(angle1_rad), Math::sin(angle1_rad), 0.0);
@@ -1046,7 +1060,7 @@ void CPUParticles3D::_particles_process(double p_delta) {
p.color.g = color_rgb.y;
p.color.b = color_rgb.z;
- p.color *= p.base_color;
+ p.color *= p.base_color * p.start_color_rand;
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
if (particle_flags[PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY]) {
@@ -1333,6 +1347,11 @@ void CPUParticles3D::convert_from_particles(Node *p_particles) {
set_color_ramp(gt->get_gradient());
}
+ Ref<GradientTexture1D> gti = material->get_color_initial_ramp();
+ if (gti.is_valid()) {
+ set_color_initial_ramp(gti->get_gradient());
+ }
+
set_particle_flag(PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY, material->get_particle_flag(ParticlesMaterial::PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY));
set_particle_flag(PARTICLE_FLAG_ROTATE_Y, material->get_particle_flag(ParticlesMaterial::PARTICLE_FLAG_ROTATE_Y));
set_particle_flag(PARTICLE_FLAG_DISABLE_Z, material->get_particle_flag(ParticlesMaterial::PARTICLE_FLAG_DISABLE_Z));
@@ -1459,6 +1478,9 @@ void CPUParticles3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_color_ramp", "ramp"), &CPUParticles3D::set_color_ramp);
ClassDB::bind_method(D_METHOD("get_color_ramp"), &CPUParticles3D::get_color_ramp);
+ ClassDB::bind_method(D_METHOD("set_color_initial_ramp", "ramp"), &CPUParticles3D::set_color_initial_ramp);
+ ClassDB::bind_method(D_METHOD("get_color_initial_ramp"), &CPUParticles3D::get_color_initial_ramp);
+
ClassDB::bind_method(D_METHOD("set_particle_flag", "particle_flag", "enable"), &CPUParticles3D::set_particle_flag);
ClassDB::bind_method(D_METHOD("get_particle_flag", "particle_flag"), &CPUParticles3D::get_particle_flag);
@@ -1572,6 +1594,7 @@ void CPUParticles3D::_bind_methods() {
ADD_GROUP("Color", "");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_color_ramp", "get_color_ramp");
+ ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_initial_ramp", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_color_initial_ramp", "get_color_initial_ramp");
ADD_GROUP("Hue Variation", "hue_");
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION);
diff --git a/scene/3d/cpu_particles_3d.h b/scene/3d/cpu_particles_3d.h
index aca7328a27..6addeab1a6 100644
--- a/scene/3d/cpu_particles_3d.h
+++ b/scene/3d/cpu_particles_3d.h
@@ -91,6 +91,7 @@ private:
real_t scale_rand = 0.0;
real_t hue_rot_rand = 0.0;
real_t anim_offset_rand = 0.0;
+ Color start_color_rand;
double time = 0.0;
double lifetime = 0.0;
Color base_color;
@@ -160,6 +161,7 @@ private:
Ref<Curve> curve_parameters[PARAM_MAX];
Color color = Color(1, 1, 1, 1);
Ref<Gradient> color_ramp;
+ Ref<Gradient> color_initial_ramp;
bool particle_flags[PARTICLE_FLAG_MAX] = {};
@@ -261,6 +263,9 @@ public:
void set_color_ramp(const Ref<Gradient> &p_ramp);
Ref<Gradient> get_color_ramp() const;
+ void set_color_initial_ramp(const Ref<Gradient> &p_ramp);
+ Ref<Gradient> get_color_initial_ramp() const;
+
void set_particle_flag(ParticleFlags p_particle_flag, bool p_enable);
bool get_particle_flag(ParticleFlags p_particle_flag) const;
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index 5ceb90d511..90ef78ccd9 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -85,6 +85,7 @@ void ParticlesMaterial::init_shaders() {
shader_names->color = "color_value";
shader_names->color_ramp = "color_ramp";
+ shader_names->color_initial_ramp = "color_initial_ramp";
shader_names->emission_sphere_radius = "emission_sphere_radius";
shader_names->emission_box_extents = "emission_box_extents";
@@ -232,6 +233,10 @@ void ParticlesMaterial::_update_shader() {
code += "uniform sampler2D color_ramp;\n";
}
+ if (color_initial_ramp.is_valid()) {
+ code += "uniform sampler2D color_initial_ramp;\n";
+ }
+
if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
code += "uniform sampler2D linear_velocity_texture;\n";
}
@@ -311,6 +316,9 @@ void ParticlesMaterial::_update_shader() {
code += " float scale_rand = rand_from_seed(alt_seed);\n";
code += " float hue_rot_rand = rand_from_seed(alt_seed);\n";
code += " float anim_offset_rand = rand_from_seed(alt_seed);\n";
+ if (color_initial_ramp.is_valid()) {
+ code += " float color_initial_rand = rand_from_seed(alt_seed);\n";
+ }
code += " float pi = 3.14159;\n";
code += " float degree_to_rad = pi / 180.0;\n";
code += "\n";
@@ -462,6 +470,10 @@ void ParticlesMaterial::_update_shader() {
code += " float scale_rand = rand_from_seed(alt_seed);\n";
code += " float hue_rot_rand = rand_from_seed(alt_seed);\n";
code += " float anim_offset_rand = rand_from_seed(alt_seed);\n";
+ if (color_initial_ramp.is_valid()) {
+ code += " float color_initial_rand = rand_from_seed(alt_seed);\n";
+ }
+
code += " float pi = 3.14159;\n";
code += " float degree_to_rad = pi / 180.0;\n";
code += "\n";
@@ -620,6 +632,12 @@ void ParticlesMaterial::_update_shader() {
} else {
code += " COLOR = hue_rot_mat * color_value;\n";
}
+
+ if (color_initial_ramp.is_valid()) {
+ code += " vec4 start_color = textureLod(color_initial_ramp, vec2(color_initial_rand, 0.0), 0.0);\n";
+ code += " COLOR *= start_color;\n";
+ }
+
if (emission_color_texture.is_valid() && (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS)) {
code += " COLOR *= texelFetch(emission_texture_color, emission_tex_ofs, 0);\n";
}
@@ -988,6 +1006,18 @@ Ref<Texture2D> ParticlesMaterial::get_color_ramp() const {
return color_ramp;
}
+void ParticlesMaterial::set_color_initial_ramp(const Ref<Texture2D> &p_texture) {
+ color_initial_ramp = p_texture;
+ RID tex_rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->color_initial_ramp, tex_rid);
+ _queue_shader_change();
+ notify_property_list_changed();
+}
+
+Ref<Texture2D> ParticlesMaterial::get_color_initial_ramp() const {
+ return color_initial_ramp;
+}
+
void ParticlesMaterial::set_particle_flag(ParticleFlags p_particle_flag, bool p_enable) {
ERR_FAIL_INDEX(p_particle_flag, PARTICLE_FLAG_MAX);
particle_flags[p_particle_flag] = p_enable;
@@ -1282,6 +1312,9 @@ void ParticlesMaterial::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_color_ramp", "ramp"), &ParticlesMaterial::set_color_ramp);
ClassDB::bind_method(D_METHOD("get_color_ramp"), &ParticlesMaterial::get_color_ramp);
+ ClassDB::bind_method(D_METHOD("set_color_initial_ramp", "ramp"), &ParticlesMaterial::set_color_initial_ramp);
+ ClassDB::bind_method(D_METHOD("get_color_initial_ramp"), &ParticlesMaterial::get_color_initial_ramp);
+
ClassDB::bind_method(D_METHOD("set_particle_flag", "particle_flag", "enable"), &ParticlesMaterial::set_particle_flag);
ClassDB::bind_method(D_METHOD("get_particle_flag", "particle_flag"), &ParticlesMaterial::get_particle_flag);
@@ -1414,6 +1447,7 @@ void ParticlesMaterial::_bind_methods() {
ADD_GROUP("Color", "");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture1D"), "set_color_ramp", "get_color_ramp");
+ ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_initial_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture1D"), "set_color_initial_ramp", "get_color_initial_ramp");
ADD_GROUP("Hue Variation", "hue_");
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION);
diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h
index 36bc456978..9c0bbe3b5d 100644
--- a/scene/resources/particles_material.h
+++ b/scene/resources/particles_material.h
@@ -194,6 +194,7 @@ private:
StringName color;
StringName color_ramp;
+ StringName color_initial_ramp;
StringName emission_sphere_radius;
StringName emission_box_extents;
@@ -237,6 +238,7 @@ private:
Ref<Texture2D> tex_parameters[PARAM_MAX];
Color color;
Ref<Texture2D> color_ramp;
+ Ref<Texture2D> color_initial_ramp;
bool particle_flags[PARTICLE_FLAG_MAX];
@@ -299,6 +301,9 @@ public:
void set_color_ramp(const Ref<Texture2D> &p_texture);
Ref<Texture2D> get_color_ramp() const;
+ void set_color_initial_ramp(const Ref<Texture2D> &p_texture);
+ Ref<Texture2D> get_color_initial_ramp() const;
+
void set_particle_flag(ParticleFlags p_particle_flag, bool p_enable);
bool get_particle_flag(ParticleFlags p_particle_flag) const;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 01:38:32 +0000