diff options
| author | Kasper Arnklit Frandsen <kasper.arnklit@gmail.com> | 2024-04-26 21:00:23 +0100 |
|---|---|---|
| committer | Kasper Frandsen <kasper.arnklit@gmail.com> | 2024-04-30 17:24:58 +0100 |
| commit | af22d504dada4ceb7da6fd965e0b1a7d304b4fa9 (patch) | |
| tree | e7f109a37e6cbbea44a0232f4436568156627f7d | |
| parent | d282e4f0e6b6ebcf3bd6e05cd62f2a8fe1f9a238 (diff) | |
| download | redot-engine-af22d504dada4ceb7da6fd965e0b1a7d304b4fa9.tar.gz | |
Fix particle cylinder emission shape random distribution
| -rw-r--r-- | scene/3d/cpu_particles_3d.cpp | 2 | ||||
| -rw-r--r-- | scene/resources/particle_process_material.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/scene/3d/cpu_particles_3d.cpp b/scene/3d/cpu_particles_3d.cpp index 0dc9834539..db7b80683c 100644 --- a/scene/3d/cpu_particles_3d.cpp +++ b/scene/3d/cpu_particles_3d.cpp @@ -880,7 +880,7 @@ void CPUParticles3D::_particles_process(double p_delta) { } break; case EMISSION_SHAPE_RING: { real_t ring_random_angle = Math::randf() * Math_TAU; - real_t ring_random_radius = Math::randf() * (emission_ring_radius - emission_ring_inner_radius) + emission_ring_inner_radius; + real_t ring_random_radius = Math::sqrt(Math::randf() * (emission_ring_radius - emission_ring_inner_radius * emission_ring_inner_radius) + emission_ring_inner_radius * emission_ring_inner_radius); Vector3 axis = emission_ring_axis == Vector3(0.0, 0.0, 0.0) ? Vector3(0.0, 0.0, 1.0) : emission_ring_axis.normalized(); Vector3 ortho_axis; if (axis.abs() == Vector3(1.0, 0.0, 0.0)) { diff --git a/scene/resources/particle_process_material.cpp b/scene/resources/particle_process_material.cpp index 685625ab72..53da142b28 100644 --- a/scene/resources/particle_process_material.cpp +++ b/scene/resources/particle_process_material.cpp @@ -634,7 +634,7 @@ void ParticleProcessMaterial::_update_shader() { if (emission_shape == EMISSION_SHAPE_RING) { code += " \n"; code += " float ring_spawn_angle = rand_from_seed(alt_seed) * 2.0 * pi;\n"; - code += " float ring_random_radius = rand_from_seed(alt_seed) * (emission_ring_radius - emission_ring_inner_radius) + emission_ring_inner_radius;\n"; + code += " float ring_random_radius = sqrt(rand_from_seed(alt_seed) * (emission_ring_radius - emission_ring_inner_radius * emission_ring_inner_radius) + emission_ring_inner_radius * emission_ring_inner_radius);\n"; code += " vec3 axis = emission_ring_axis == vec3(0.0) ? vec3(0.0, 0.0, 1.0) : normalize(emission_ring_axis);\n"; code += " vec3 ortho_axis = vec3(0.0);\n"; code += " if (abs(axis) == vec3(1.0, 0.0, 0.0)) {\n"; |