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path: root/scene/3d/cpu_particles_3d.cpp
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Diffstat (limited to 'scene/3d/cpu_particles_3d.cpp')
-rw-r--r--scene/3d/cpu_particles_3d.cpp49
1 files changed, 27 insertions, 22 deletions
diff --git a/scene/3d/cpu_particles_3d.cpp b/scene/3d/cpu_particles_3d.cpp
index 3562f7b778..85b502e7a0 100644
--- a/scene/3d/cpu_particles_3d.cpp
+++ b/scene/3d/cpu_particles_3d.cpp
@@ -646,6 +646,8 @@ void CPUParticles3D::_particles_process(float p_delta) {
restart = true;
}
+ float tv = 0.0;
+
if (restart) {
if (!emitting) {
p.active = false;
@@ -660,12 +662,12 @@ void CPUParticles3D::_particles_process(float p_delta) {
float tex_angle = 0.0;
if (curve_parameters[PARAM_ANGLE].is_valid()) {
- tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(0);
+ tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv);
}
float tex_anim_offset = 0.0;
if (curve_parameters[PARAM_ANGLE].is_valid()) {
- tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(0);
+ tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(tv);
}
p.seed = Math::rand();
@@ -676,13 +678,13 @@ void CPUParticles3D::_particles_process(float p_delta) {
p.anim_offset_rand = Math::randf();
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
- float angle1_rad = Math::atan2(direction.y, direction.x) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
+ float 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);
p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp(1.0f, float(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]);
} else {
//initiate velocity spread in 3D
- float angle1_rad = Math::atan2(direction.x, direction.z) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
- float angle2_rad = Math::atan2(direction.y, Math::abs(direction.z)) + (Math::randf() * 2.0 - 1.0) * (1.0 - flatness) * Math_PI * spread / 180.0;
+ float angle1_rad = Math::atan2(direction.x, direction.z) + Math::deg2rad((Math::randf() * 2.0 - 1.0) * spread);
+ float angle2_rad = Math::atan2(direction.y, Math::abs(direction.z)) + Math::deg2rad((Math::randf() * 2.0 - 1.0) * (1.0 - flatness) * spread);
Vector3 direction_xz = Vector3(Math::sin(angle1_rad), 0, Math::cos(angle1_rad));
Vector3 direction_yz = Vector3(0, Math::sin(angle2_rad), Math::cos(angle2_rad));
@@ -706,8 +708,9 @@ void CPUParticles3D::_particles_process(float p_delta) {
//do none
} break;
case EMISSION_SHAPE_SPHERE: {
- float s = 2.0 * Math::randf() - 1.0, t = 2.0 * Math_PI * Math::randf();
- float radius = emission_sphere_radius * Math::sqrt(1.0 - s * s);
+ real_t s = 2.0 * Math::randf() - 1.0;
+ real_t t = Math_TAU * Math::randf();
+ real_t radius = emission_sphere_radius * Math::sqrt(1.0 - s * s);
p.transform.origin = Vector3(radius * Math::cos(t), radius * Math::sin(t), emission_sphere_radius * s);
} break;
case EMISSION_SHAPE_BOX: {
@@ -771,61 +774,63 @@ void CPUParticles3D::_particles_process(float p_delta) {
continue;
} else if (p.time > p.lifetime) {
p.active = false;
+ tv = 1.0;
} else {
uint32_t alt_seed = p.seed;
p.time += local_delta;
p.custom[1] = p.time / lifetime;
+ tv = p.time / p.lifetime;
float tex_linear_velocity = 0.0;
if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
- tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(p.custom[1]);
+ tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(tv);
}
float tex_orbit_velocity = 0.0;
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
if (curve_parameters[PARAM_ORBIT_VELOCITY].is_valid()) {
- tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(p.custom[1]);
+ tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(tv);
}
}
float tex_angular_velocity = 0.0;
if (curve_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) {
- tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(p.custom[1]);
+ tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(tv);
}
float tex_linear_accel = 0.0;
if (curve_parameters[PARAM_LINEAR_ACCEL].is_valid()) {
- tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(p.custom[1]);
+ tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(tv);
}
float tex_tangential_accel = 0.0;
if (curve_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) {
- tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(p.custom[1]);
+ tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(tv);
}
float tex_radial_accel = 0.0;
if (curve_parameters[PARAM_RADIAL_ACCEL].is_valid()) {
- tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(p.custom[1]);
+ tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(tv);
}
float tex_damping = 0.0;
if (curve_parameters[PARAM_DAMPING].is_valid()) {
- tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(p.custom[1]);
+ tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(tv);
}
float tex_angle = 0.0;
if (curve_parameters[PARAM_ANGLE].is_valid()) {
- tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(p.custom[1]);
+ tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv);
}
float tex_anim_speed = 0.0;
if (curve_parameters[PARAM_ANIM_SPEED].is_valid()) {
- tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(p.custom[1]);
+ tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(tv);
}
float tex_anim_offset = 0.0;
if (curve_parameters[PARAM_ANIM_OFFSET].is_valid()) {
- tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(p.custom[1]);
+ tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(tv);
}
Vector3 force = gravity;
@@ -855,7 +860,7 @@ void CPUParticles3D::_particles_process(float p_delta) {
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
float orbit_amount = (parameters[PARAM_ORBIT_VELOCITY] + tex_orbit_velocity) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_ORBIT_VELOCITY]);
if (orbit_amount != 0.0) {
- float ang = orbit_amount * local_delta * Math_PI * 2.0;
+ float ang = orbit_amount * local_delta * Math_TAU;
// Not sure why the ParticlesMaterial code uses a clockwise rotation matrix,
// but we use -ang here to reproduce its behavior.
Transform2D rot = Transform2D(-ang, Vector2());
@@ -887,15 +892,15 @@ void CPUParticles3D::_particles_process(float p_delta) {
float tex_scale = 1.0;
if (curve_parameters[PARAM_SCALE].is_valid()) {
- tex_scale = curve_parameters[PARAM_SCALE]->interpolate(p.custom[1]);
+ tex_scale = curve_parameters[PARAM_SCALE]->interpolate(tv);
}
float tex_hue_variation = 0.0;
if (curve_parameters[PARAM_HUE_VARIATION].is_valid()) {
- tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(p.custom[1]);
+ tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(tv);
}
- float hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_PI * 2.0 * Math::lerp(1.0f, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]);
+ float hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_TAU * Math::lerp(1.0f, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]);
float hue_rot_c = Math::cos(hue_rot_angle);
float hue_rot_s = Math::sin(hue_rot_angle);
@@ -911,7 +916,7 @@ void CPUParticles3D::_particles_process(float p_delta) {
}
if (color_ramp.is_valid()) {
- p.color = color_ramp->get_color_at_offset(p.custom[1]) * color;
+ p.color = color_ramp->get_color_at_offset(tv) * color;
} else {
p.color = color;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-23 09:36:28 +0000