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Fix sqrt application for radius in particle ring emission

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This commit is contained in:
Kasper Arnklit Frandsen
2024-05-02 10:19:10 +01:00
parent f91db3dc58
commit 94eefe168a
2 changed files with 2 additions and 2 deletions
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2
scene/3d/cpu_particles_3d.cpp
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@@ -880,7 +880,7 @@ void CPUParticles3D::_particles_process(double p_delta) {
} break; } break;
case EMISSION_SHAPE_RING: { case EMISSION_SHAPE_RING: {
real_t ring_random_angle = Math::randf() * Math_TAU; real_t ring_random_angle = Math::randf() * Math_TAU;
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); real_t ring_random_radius = Math::sqrt(Math::randf() * (emission_ring_radius * 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 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; Vector3 ortho_axis;
if (axis.abs() == Vector3(1.0, 0.0, 0.0)) { if (axis.abs() == Vector3(1.0, 0.0, 0.0)) {

2
scene/resources/particle_process_material.cpp
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@@ -634,7 +634,7 @@ void ParticleProcessMaterial::_update_shader() {
if (emission_shape == EMISSION_SHAPE_RING) { if (emission_shape == EMISSION_SHAPE_RING) {
code += " \n"; code += " \n";
code += " float ring_spawn_angle = rand_from_seed(alt_seed) * 2.0 * pi;\n"; code += " float ring_spawn_angle = rand_from_seed(alt_seed) * 2.0 * pi;\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 += " float ring_random_radius = sqrt(rand_from_seed(alt_seed) * (emission_ring_radius * 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 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 += " vec3 ortho_axis = vec3(0.0);\n";
code += " if (abs(axis) == vec3(1.0, 0.0, 0.0)) {\n"; code += " if (abs(axis) == vec3(1.0, 0.0, 0.0)) {\n";