diff options
Diffstat (limited to 'scene')
| -rw-r--r-- | scene/resources/particles_material.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index edca9e5171..b4818755b4 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -332,7 +332,10 @@ void ParticlesMaterial::_update_shader() { //do none } break; case EMISSION_SHAPE_SPHERE: { - code += " TRANSFORM[3].xyz = normalize(vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0)) * emission_sphere_radius;\n"; + code += " float s = rand_from_seed(alt_seed) * 2.0 - 1.0;\n"; + code += " float t = rand_from_seed(alt_seed) * 2.0 * pi;\n"; + code += " float radius = emission_sphere_radius * sqrt(1.0 - s * s);\n"; + code += " TRANSFORM[3].xyz = vec3(radius * cos(t), radius * sin(t), emission_sphere_radius * s);\n"; } break; case EMISSION_SHAPE_BOX: { code += " TRANSFORM[3].xyz = vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0) * emission_box_extents;\n"; |