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path: root/drivers/gles3/shaders/particles.glsl
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Diffstat (limited to 'drivers/gles3/shaders/particles.glsl')
-rw-r--r--drivers/gles3/shaders/particles.glsl109
1 files changed, 49 insertions, 60 deletions
diff --git a/drivers/gles3/shaders/particles.glsl b/drivers/gles3/shaders/particles.glsl
index fbee08c0fe..56e5545efe 100644
--- a/drivers/gles3/shaders/particles.glsl
+++ b/drivers/gles3/shaders/particles.glsl
@@ -1,14 +1,11 @@
[vertex]
-
-
-layout(location=0) in highp vec4 color;
-layout(location=1) in highp vec4 velocity_active;
-layout(location=2) in highp vec4 custom;
-layout(location=3) in highp vec4 xform_1;
-layout(location=4) in highp vec4 xform_2;
-layout(location=5) in highp vec4 xform_3;
-
+layout(location = 0) in highp vec4 color;
+layout(location = 1) in highp vec4 velocity_active;
+layout(location = 2) in highp vec4 custom;
+layout(location = 3) in highp vec4 xform_1;
+layout(location = 4) in highp vec4 xform_2;
+layout(location = 5) in highp vec4 xform_3;
struct Attractor {
@@ -39,7 +36,6 @@ uniform float lifetime;
uniform mat4 emission_transform;
uniform uint random_seed;
-
out highp vec4 out_color; //tfb:
out highp vec4 out_velocity_active; //tfb:
out highp vec4 out_custom; //tfb:
@@ -47,7 +43,6 @@ out highp vec4 out_xform_1; //tfb:
out highp vec4 out_xform_2; //tfb:
out highp vec4 out_xform_3; //tfb:
-
#if defined(USE_MATERIAL)
layout(std140) uniform UniformData { //ubo:0
@@ -58,7 +53,6 @@ MATERIAL_UNIFORMS
#endif
-
VERTEX_SHADER_GLOBALS
uint hash(uint x) {
@@ -69,13 +63,12 @@ uint hash(uint x) {
return x;
}
-
void main() {
#ifdef PARTICLES_COPY
- out_color=color;
- out_velocity_active=velocity_active;
+ out_color = color;
+ out_velocity_active = velocity_active;
out_custom = custom;
out_xform_1 = xform_1;
out_xform_2 = xform_2;
@@ -83,47 +76,47 @@ void main() {
#else
- bool apply_forces=true;
- bool apply_velocity=true;
- float local_delta=delta;
+ bool apply_forces = true;
+ bool apply_velocity = true;
+ float local_delta = delta;
float mass = 1.0;
- float restart_phase = float(gl_VertexID)/float(total_particles);
+ float restart_phase = float(gl_VertexID) / float(total_particles);
- if (randomness>0.0) {
+ if (randomness > 0.0) {
uint seed = cycle;
if (restart_phase >= system_phase) {
- seed-=uint(1);
+ seed -= uint(1);
}
- seed*=uint(total_particles);
- seed+=uint(gl_VertexID);
+ seed *= uint(total_particles);
+ seed += uint(gl_VertexID);
float random = float(hash(seed) % uint(65536)) / 65536.0;
- restart_phase+=randomness * random * 1.0 / float(total_particles);
+ restart_phase += randomness * random * 1.0 / float(total_particles);
}
- restart_phase*= (1.0-explosiveness);
- bool restart=false;
+ restart_phase *= (1.0 - explosiveness);
+ bool restart = false;
bool shader_active = velocity_active.a > 0.5;
if (system_phase > prev_system_phase) {
// restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed
- if (restart_phase >= prev_system_phase && restart_phase < system_phase ) {
- restart=true;
+ if (restart_phase >= prev_system_phase && restart_phase < system_phase) {
+ restart = true;
#ifdef USE_FRACTIONAL_DELTA
local_delta = (system_phase - restart_phase) * lifetime;
#endif
}
- } else if(delta > 0.0) {
+ } else if (delta > 0.0) {
if (restart_phase >= prev_system_phase) {
- restart=true;
+ restart = true;
#ifdef USE_FRACTIONAL_DELTA
local_delta = (1.0 - restart_phase + system_phase) * lifetime;
#endif
- } else if (restart_phase < system_phase ) {
- restart=true;
+ } else if (restart_phase < system_phase) {
+ restart = true;
#ifdef USE_FRACTIONAL_DELTA
local_delta = (system_phase - restart_phase) * lifetime;
#endif
@@ -133,14 +126,14 @@ void main() {
uint current_cycle = cycle;
if (system_phase < restart_phase) {
- current_cycle-=uint(1);
+ current_cycle -= uint(1);
}
uint particle_number = current_cycle * uint(total_particles) + uint(gl_VertexID);
int index = int(gl_VertexID);
if (restart) {
- shader_active=emitting;
+ shader_active = emitting;
}
mat4 xform;
@@ -150,23 +143,22 @@ void main() {
#else
if (clear || restart) {
#endif
- out_color=vec4(1.0);
- out_velocity_active=vec4(0.0);
- out_custom=vec4(0.0);
+ out_color = vec4(1.0);
+ out_velocity_active = vec4(0.0);
+ out_custom = vec4(0.0);
if (!restart)
- shader_active=false;
+ shader_active = false;
xform = mat4(
- vec4(1.0,0.0,0.0,0.0),
- vec4(0.0,1.0,0.0,0.0),
- vec4(0.0,0.0,1.0,0.0),
- vec4(0.0,0.0,0.0,1.0)
- );
+ vec4(1.0, 0.0, 0.0, 0.0),
+ vec4(0.0, 1.0, 0.0, 0.0),
+ vec4(0.0, 0.0, 1.0, 0.0),
+ vec4(0.0, 0.0, 0.0, 1.0));
} else {
- out_color=color;
- out_velocity_active=velocity_active;
- out_custom=custom;
- xform = transpose(mat4(xform_1,xform_2,xform_3,vec4(vec3(0.0),1.0)));
+ out_color = color;
+ out_velocity_active = velocity_active;
+ out_custom = custom;
+ xform = transpose(mat4(xform_1, xform_2, xform_3, vec4(vec3(0.0), 1.0)));
}
if (shader_active) {
@@ -181,26 +173,25 @@ VERTEX_SHADER_CODE
if (false) {
vec3 force = vec3(0.0);
- for(int i=0;i<attractor_count;i++) {
+ for (int i = 0; i < attractor_count; i++) {
vec3 rel_vec = xform[3].xyz - attractors[i].pos;
float dist = length(rel_vec);
if (attractors[i].radius < dist)
continue;
- if (attractors[i].eat_radius>0.0 && attractors[i].eat_radius > dist) {
- out_velocity_active.a=0.0;
+ if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) {
+ out_velocity_active.a = 0.0;
}
rel_vec = normalize(rel_vec);
- float attenuation = pow(dist / attractors[i].radius,attractors[i].attenuation);
+ float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation);
- if (attractors[i].dir==vec3(0.0)) {
+ if (attractors[i].dir == vec3(0.0)) {
//towards center
- force+=attractors[i].strength * rel_vec * attenuation * mass;
+ force += attractors[i].strength * rel_vec * attenuation * mass;
} else {
- force+=attractors[i].strength * attractors[i].dir * attenuation *mass;
-
+ force += attractors[i].strength * attractors[i].dir * attenuation * mass;
}
}
@@ -216,25 +207,23 @@ VERTEX_SHADER_CODE
}
#endif
} else {
- xform=mat4(0.0);
+ xform = mat4(0.0);
}
xform = transpose(xform);
- out_velocity_active.a = mix(0.0,1.0,shader_active);
+ out_velocity_active.a = mix(0.0, 1.0, shader_active);
out_xform_1 = xform[0];
out_xform_2 = xform[1];
out_xform_3 = xform[2];
#endif //PARTICLES_COPY
-
}
[fragment]
-//any code here is never executed, stuff is filled just so it works
-
+// any code here is never executed, stuff is filled just so it works
#if defined(USE_MATERIAL)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 10:40:58 +0000