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-rw-r--r--servers/rendering/renderer_rd/shaders/particles.glsl214
1 files changed, 109 insertions, 105 deletions
diff --git a/servers/rendering/renderer_rd/shaders/particles.glsl b/servers/rendering/renderer_rd/shaders/particles.glsl
index c438352c05..3712220dc4 100644
--- a/servers/rendering/renderer_rd/shaders/particles.glsl
+++ b/servers/rendering/renderer_rd/shaders/particles.glsl
@@ -252,6 +252,115 @@ void main() {
/* Process physics if active */
+ if (params.sub_emitter_mode) {
+ if (!PARTICLE.is_active) {
+ int src_index = atomicAdd(src_particles.particle_count, -1) - 1;
+
+ if (src_index >= 0) {
+ PARTICLE.is_active = true;
+ restart = true;
+
+ if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) {
+ PARTICLE.xform[3] = src_particles.data[src_index].xform[3];
+ } else {
+ PARTICLE.xform[3] = vec4(0, 0, 0, 1);
+ restart_position = true;
+ }
+ if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) {
+ PARTICLE.xform[0] = src_particles.data[src_index].xform[0];
+ PARTICLE.xform[1] = src_particles.data[src_index].xform[1];
+ PARTICLE.xform[2] = src_particles.data[src_index].xform[2];
+ } else {
+ PARTICLE.xform[0] = vec4(1, 0, 0, 0);
+ PARTICLE.xform[1] = vec4(0, 1, 0, 0);
+ PARTICLE.xform[2] = vec4(0, 0, 1, 0);
+ restart_rotation_scale = true;
+ }
+ if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) {
+ PARTICLE.velocity = src_particles.data[src_index].velocity;
+ } else {
+ PARTICLE.velocity = vec3(0);
+ restart_velocity = true;
+ }
+ if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) {
+ PARTICLE.color = src_particles.data[src_index].color;
+ } else {
+ PARTICLE.color = vec4(1);
+ restart_color = true;
+ }
+
+ if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) {
+ PARTICLE.custom = src_particles.data[src_index].custom;
+ } else {
+ PARTICLE.custom = vec4(0);
+ restart_custom = true;
+ }
+ }
+ }
+
+ } else if (FRAME.emitting) {
+ float restart_phase = float(index) / float(params.total_particles);
+
+ if (FRAME.randomness > 0.0) {
+ uint seed = FRAME.cycle;
+ if (restart_phase >= FRAME.system_phase) {
+ seed -= uint(1);
+ }
+ seed *= uint(params.total_particles);
+ seed += uint(index);
+ float random = float(hash(seed) % uint(65536)) / 65536.0;
+ restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles);
+ }
+
+ restart_phase *= (1.0 - FRAME.explosiveness);
+
+ if (FRAME.system_phase > FRAME.prev_system_phase) {
+ // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
+
+ if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) {
+ restart = true;
+ if (params.use_fractional_delta) {
+ local_delta = (FRAME.system_phase - restart_phase) * params.lifetime;
+ }
+ }
+
+ } else if (FRAME.delta > 0.0) {
+ if (restart_phase >= FRAME.prev_system_phase) {
+ restart = true;
+ if (params.use_fractional_delta) {
+ local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime;
+ }
+
+ } else if (restart_phase < FRAME.system_phase) {
+ restart = true;
+ if (params.use_fractional_delta) {
+ local_delta = (FRAME.system_phase - restart_phase) * params.lifetime;
+ }
+ }
+ }
+
+ uint current_cycle = FRAME.cycle;
+
+ if (FRAME.system_phase < restart_phase) {
+ current_cycle -= uint(1);
+ }
+
+ uint particle_number = current_cycle * uint(params.total_particles) + particle;
+
+ if (restart) {
+ PARTICLE.is_active = FRAME.emitting;
+ restart_position = true;
+ restart_rotation_scale = true;
+ restart_velocity = true;
+ restart_color = true;
+ restart_custom = true;
+ }
+ }
+
+ if (restart && PARTICLE.is_active) {
+#CODE : START
+ }
+
if (PARTICLE.is_active) {
for (uint i = 0; i < FRAME.attractor_count; i++) {
vec3 dir;
@@ -430,111 +539,6 @@ void main() {
}
}
- if (params.sub_emitter_mode) {
- if (!PARTICLE.is_active) {
- int src_index = atomicAdd(src_particles.particle_count, -1) - 1;
-
- if (src_index >= 0) {
- PARTICLE.is_active = true;
- restart = true;
-
- if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) {
- PARTICLE.xform[3] = src_particles.data[src_index].xform[3];
- } else {
- PARTICLE.xform[3] = vec4(0, 0, 0, 1);
- restart_position = true;
- }
- if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) {
- PARTICLE.xform[0] = src_particles.data[src_index].xform[0];
- PARTICLE.xform[1] = src_particles.data[src_index].xform[1];
- PARTICLE.xform[2] = src_particles.data[src_index].xform[2];
- } else {
- PARTICLE.xform[0] = vec4(1, 0, 0, 0);
- PARTICLE.xform[1] = vec4(0, 1, 0, 0);
- PARTICLE.xform[2] = vec4(0, 0, 1, 0);
- restart_rotation_scale = true;
- }
- if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) {
- PARTICLE.velocity = src_particles.data[src_index].velocity;
- } else {
- PARTICLE.velocity = vec3(0);
- restart_velocity = true;
- }
- if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) {
- PARTICLE.color = src_particles.data[src_index].color;
- } else {
- PARTICLE.color = vec4(1);
- restart_color = true;
- }
-
- if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) {
- PARTICLE.custom = src_particles.data[src_index].custom;
- } else {
- PARTICLE.custom = vec4(0);
- restart_custom = true;
- }
- }
- }
-
- } else if (FRAME.emitting) {
- float restart_phase = float(index) / float(params.total_particles);
-
- if (FRAME.randomness > 0.0) {
- uint seed = FRAME.cycle;
- if (restart_phase >= FRAME.system_phase) {
- seed -= uint(1);
- }
- seed *= uint(params.total_particles);
- seed += uint(index);
- float random = float(hash(seed) % uint(65536)) / 65536.0;
- restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles);
- }
-
- restart_phase *= (1.0 - FRAME.explosiveness);
-
- if (FRAME.system_phase > FRAME.prev_system_phase) {
- // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
-
- if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) {
- restart = true;
- if (params.use_fractional_delta) {
- local_delta = (FRAME.system_phase - restart_phase) * params.lifetime;
- }
- }
-
- } else if (FRAME.delta > 0.0) {
- if (restart_phase >= FRAME.prev_system_phase) {
- restart = true;
- if (params.use_fractional_delta) {
- local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime;
- }
-
- } else if (restart_phase < FRAME.system_phase) {
- restart = true;
- if (params.use_fractional_delta) {
- local_delta = (FRAME.system_phase - restart_phase) * params.lifetime;
- }
- }
- }
-
- uint current_cycle = FRAME.cycle;
-
- if (FRAME.system_phase < restart_phase) {
- current_cycle -= uint(1);
- }
-
- uint particle_number = current_cycle * uint(params.total_particles) + particle;
-
- if (restart) {
- PARTICLE.is_active = FRAME.emitting;
- restart_position = true;
- restart_rotation_scale = true;
- restart_velocity = true;
- restart_color = true;
- restart_custom = true;
- }
- }
-
if (PARTICLE.is_active) {
#CODE : PROCESS
}
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