diff options
Diffstat (limited to 'scene/resources/particle_process_material.cpp')
| -rw-r--r-- | scene/resources/particle_process_material.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/scene/resources/particle_process_material.cpp b/scene/resources/particle_process_material.cpp index 5acb08de14..30b90841e3 100644 --- a/scene/resources/particle_process_material.cpp +++ b/scene/resources/particle_process_material.cpp @@ -635,9 +635,9 @@ void ParticleProcessMaterial::_update_shader() { 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 += " vec3 axis = normalize(emission_ring_axis);\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 (axis == vec3(1.0, 0.0, 0.0)) {\n"; + code += " if (abs(axis) == vec3(1.0, 0.0, 0.0)) {\n"; code += " ortho_axis = cross(axis, vec3(0.0, 1.0, 0.0));\n"; code += " } else {\n"; code += " ortho_axis = cross(axis, vec3(1.0, 0.0, 0.0));\n"; |