diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/particles.glsl')
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/particles.glsl | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/servers/rendering/renderer_rd/shaders/particles.glsl b/servers/rendering/renderer_rd/shaders/particles.glsl index 328becbc20..acb62b812e 100644 --- a/servers/rendering/renderer_rd/shaders/particles.glsl +++ b/servers/rendering/renderer_rd/shaders/particles.glsl @@ -112,6 +112,24 @@ struct ParticleData { uint flags; vec4 color; vec4 custom; +#ifdef USERDATA1_USED + vec4 userdata1; +#endif +#ifdef USERDATA2_USED + vec4 userdata2; +#endif +#ifdef USERDATA3_USED + vec4 userdata3; +#endif +#ifdef USERDATA4_USED + vec4 userdata4; +#endif +#ifdef USERDATA5_USED + vec4 userdata5; +#endif +#ifdef USERDATA6_USED + vec4 userdata6; +#endif }; layout(set = 1, binding = 1, std430) restrict buffer Particles { @@ -168,7 +186,7 @@ layout(set = 3, binding = 0, std140) uniform MaterialUniforms{ } material; #endif -layout(push_constant, binding = 0, std430) uniform Params { +layout(push_constant, std430) uniform Params { float lifetime; bool clear; uint total_particles; @@ -210,6 +228,14 @@ bool emit_subparticle(mat4 p_xform, vec3 p_velocity, vec4 p_color, vec4 p_custom return true; } +vec3 safe_normalize(vec3 direction) { + const float EPSILON = 0.001; + if (length(direction) < EPSILON) { + return vec3(0.0); + } + return normalize(direction); +} + #GLOBALS void main() { @@ -413,7 +439,7 @@ void main() { switch (FRAME.attractors[i].type) { case ATTRACTOR_TYPE_SPHERE: { - dir = normalize(rel_vec); + dir = safe_normalize(rel_vec); float d = length(local_pos) / FRAME.attractors[i].extents.x; if (d > 1.0) { continue; @@ -421,7 +447,7 @@ void main() { amount = max(0.0, 1.0 - d); } break; case ATTRACTOR_TYPE_BOX: { - dir = normalize(rel_vec); + dir = safe_normalize(rel_vec); vec3 abs_pos = abs(local_pos / FRAME.attractors[i].extents); float d = max(abs_pos.x, max(abs_pos.y, abs_pos.z)); @@ -437,13 +463,13 @@ void main() { continue; } vec3 s = texture(sampler3D(sdf_vec_textures[FRAME.attractors[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos).xyz; - dir = mat3(FRAME.attractors[i].transform) * normalize(s); //revert direction + dir = mat3(FRAME.attractors[i].transform) * safe_normalize(s); //revert direction amount = length(s); } break; } amount = pow(amount, FRAME.attractors[i].attenuation); - dir = normalize(mix(dir, FRAME.attractors[i].transform[2].xyz, FRAME.attractors[i].directionality)); + dir = safe_normalize(mix(dir, FRAME.attractors[i].transform[2].xyz, FRAME.attractors[i].directionality)); attractor_force -= amount * dir * FRAME.attractors[i].strength; } |