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path: root/scene/resources/particles_material.cpp
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Diffstat (limited to 'scene/resources/particles_material.cpp')
-rw-r--r--scene/resources/particles_material.cpp59
1 files changed, 33 insertions, 26 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index 73b7a5cfe9..195ce070a7 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -305,6 +305,7 @@ void ParticlesMaterial::_update_shader() {
code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n";
code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n";
}
+ code += " float tv = 0.0;\n";
code += " if (RESTART) {\n";
if (tex_parameters[PARAM_ANGLE].is_valid()) {
@@ -339,14 +340,21 @@ void ParticlesMaterial::_update_shader() {
//initiate velocity spread in 3D
code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n";
code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n";
- code += " angle1_rad += direction.z != 0.0 ? atan(direction.x, direction.z) : sign(direction.x) * (pi / 2.0);\n";
- code += " angle2_rad += direction.z != 0.0 ? atan(direction.y, abs(direction.z)) : (direction.x != 0.0 ? atan(direction.y, abs(direction.x)) : sign(direction.y) * (pi / 2.0));\n";
code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n";
code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n";
code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n";
- code += " vec3 vec_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n";
- code += " vec_direction = normalize(vec_direction);\n";
- code += " VELOCITY = vec_direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n";
+ code += " vec3 spread_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n";
+ code += " vec3 direction_nrm = normalize(direction);\n";
+ code += " // rotate spread to direction\n";
+ code += " vec3 binormal = cross(vec3(0.0, 1.0, 0.0), direction_nrm);\n";
+ code += " if (length(binormal) < 0.0001) {\n";
+ code += " // direction is parallel to Y. Choose Z as the binormal.\n";
+ code += " binormal = vec3(0.0, 0.0, 1.0);\n";
+ code += " }\n";
+ code += " binormal = normalize(binormal);\n";
+ code += " vec3 normal = cross(binormal, direction_nrm);\n";
+ code += " spread_direction = binormal * spread_direction.x + normal * spread_direction.y + direction_nrm * spread_direction.z;\n";
+ code += " VELOCITY = spread_direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n";
}
code += " }\n";
@@ -407,64 +415,65 @@ void ParticlesMaterial::_update_shader() {
code += " } else {\n";
code += " CUSTOM.y += DELTA / LIFETIME;\n";
+ code += " tv = CUSTOM.y / CUSTOM.w;\n";
if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
- code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_linear_velocity = 0.0;\n";
}
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
if (tex_parameters[PARAM_ORBIT_VELOCITY].is_valid()) {
- code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_orbit_velocity = 0.0;\n";
}
}
if (tex_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) {
- code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_angular_velocity = 0.0;\n";
}
if (tex_parameters[PARAM_LINEAR_ACCEL].is_valid()) {
- code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_linear_accel = 0.0;\n";
}
if (tex_parameters[PARAM_RADIAL_ACCEL].is_valid()) {
- code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_radial_accel = 0.0;\n";
}
if (tex_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) {
- code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_tangent_accel = 0.0;\n";
}
if (tex_parameters[PARAM_DAMPING].is_valid()) {
- code += " float tex_damping = textureLod(damping_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_damping = textureLod(damping_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_damping = 0.0;\n";
}
if (tex_parameters[PARAM_ANGLE].is_valid()) {
- code += " float tex_angle = textureLod(angle_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_angle = textureLod(angle_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_angle = 0.0;\n";
}
if (tex_parameters[PARAM_ANIM_SPEED].is_valid()) {
- code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_anim_speed = 0.0;\n";
}
if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) {
- code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_anim_offset = 0.0;\n";
}
@@ -526,13 +535,13 @@ void ParticlesMaterial::_update_shader() {
// apply color
// apply hue rotation
if (tex_parameters[PARAM_SCALE].is_valid()) {
- code += " float tex_scale = textureLod(scale_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_scale = textureLod(scale_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_scale = 1.0;\n";
}
if (tex_parameters[PARAM_HUE_VARIATION].is_valid()) {
- code += " float tex_hue_variation = textureLod(hue_variation_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n";
+ code += " float tex_hue_variation = textureLod(hue_variation_texture, vec2(tv, 0.0), 0.0).r;\n";
} else {
code += " float tex_hue_variation = 0.0;\n";
}
@@ -553,7 +562,7 @@ void ParticlesMaterial::_update_shader() {
code += " vec4(1.250, -1.050, -0.203, 0.0),\n";
code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_s;\n";
if (color_ramp.is_valid()) {
- code += " COLOR = hue_rot_mat * textureLod(color_ramp, vec2(CUSTOM.y, 0.0), 0.0);\n";
+ code += " COLOR = hue_rot_mat * textureLod(color_ramp, vec2(tv, 0.0), 0.0);\n";
} else {
code += " COLOR = hue_rot_mat * color_value;\n";
}
@@ -646,7 +655,7 @@ void ParticlesMaterial::_update_shader() {
code += " for(int i=0;i<emit_count;i++) {\n";
code += " uint flags = FLAG_EMIT_POSITION|FLAG_EMIT_ROT_SCALE;\n";
code += " if (sub_emitter_keep_velocity) flags|=FLAG_EMIT_VELOCITY;\n";
- code += " emit_particle(TRANSFORM,VELOCITY,vec4(0.0),vec4(0.0),flags);\n";
+ code += " emit_subparticle(TRANSFORM,VELOCITY,vec4(0.0),vec4(0.0),flags);\n";
code += " }";
}
@@ -909,7 +918,7 @@ void ParticlesMaterial::set_color_ramp(const Ref<Texture2D> &p_texture) {
color_ramp = p_texture;
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->color_ramp, p_texture);
_queue_shader_change();
- _change_notify();
+ notify_property_list_changed();
}
Ref<Texture2D> ParticlesMaterial::get_color_ramp() const {
@@ -921,7 +930,7 @@ void ParticlesMaterial::set_particle_flag(ParticleFlags p_particle_flag, bool p_
particle_flags[p_particle_flag] = p_enable;
_queue_shader_change();
if (p_particle_flag == PARTICLE_FLAG_DISABLE_Z) {
- _change_notify();
+ notify_property_list_changed();
}
}
@@ -933,7 +942,7 @@ bool ParticlesMaterial::get_particle_flag(ParticleFlags p_particle_flag) const {
void ParticlesMaterial::set_emission_shape(EmissionShape p_shape) {
ERR_FAIL_INDEX(p_shape, EMISSION_SHAPE_MAX);
emission_shape = p_shape;
- _change_notify();
+ notify_property_list_changed();
_queue_shader_change();
}
@@ -1064,7 +1073,7 @@ void ParticlesMaterial::_validate_property(PropertyInfo &property) const {
void ParticlesMaterial::set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode) {
sub_emitter_mode = p_sub_emitter_mode;
_queue_shader_change();
- _change_notify();
+ notify_property_list_changed();
}
ParticlesMaterial::SubEmitterMode ParticlesMaterial::get_sub_emitter_mode() const {
@@ -1073,7 +1082,7 @@ ParticlesMaterial::SubEmitterMode ParticlesMaterial::get_sub_emitter_mode() cons
void ParticlesMaterial::set_sub_emitter_frequency(float p_frequency) {
sub_emitter_frequency = p_frequency;
- RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_frequency, 1.0 / p_frequency); //pas delta instead of frequency, since its easier to compute
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_frequency, 1.0 / p_frequency); //pass delta instead of frequency, since its easier to compute
}
float ParticlesMaterial::get_sub_emitter_frequency() const {
return sub_emitter_frequency;
@@ -1368,7 +1377,6 @@ ParticlesMaterial::ParticlesMaterial() :
set_emission_box_extents(Vector3(1, 1, 1));
set_gravity(Vector3(0, -9.8, 0));
set_lifetime_randomness(0);
- emission_point_count = 1;
set_sub_emitter_mode(SUB_EMITTER_DISABLED);
set_sub_emitter_frequency(4);
@@ -1391,7 +1399,6 @@ ParticlesMaterial::ParticlesMaterial() :
set_color(Color(1, 1, 1, 1));
- current_key.key = 0;
current_key.invalid_key = 1;
_queue_shader_change();
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 20:17:36 +0000