hot reload shaders bby

1 files changed, 27 insertions, 5 deletions

diff --git a/src/shader.frag b/src/shader.frag
index cad317c..4702e65 100644
--- a/src/shader.frag
+++ b/src/shader.frag
@@ -5,8 +5,30 @@ layout(location = 1) in vec2 fragPos;
 
 layout(location = 0) out vec4 outColor;
 
+layout(binding = 0) uniform UniformBufferObject {
+  mat4 model;
+  mat4 view;
+  mat4 proj;
+  vec2 resolution;
+} ubo;
+
+// vec4 ubo_proj(vec2 v) {
+//   return ubo.proj * ubo.view * ubo.model * vec4(v, 0.0, 1.0);
+// }
+
 // void main() {
-//     outColor = vec4(fragColor, 1.0);
+//   // float x = gl_FragCoord.x / ubo.resolution.x;
+//   // float y = gl_FragCoord.y / ubo.resolution.y;
+//   float x = ubo_proj(vec2(gl_FragCoord.x, gl_FragCoord.y)).x / ubo.resolution.x;
+//   float y = ubo_proj(vec2(gl_FragCoord.x, gl_FragCoord.y)).y / ubo.resolution.y;
+//   //bool colored = mod(gl_FragCoord.x, 10) > 9 || mod(gl_FragCoord.y, 10) > 9;
+//   bool colored = mod(x,0.1) > 0.09 || mod(y, 0.1) > 0.09;
+//   if (colored) {
+//     outColor = vec4(gl_FragCoord.x / ubo.resolution.x, gl_FragCoord.y / ubo.resolution.y, 1.0, 1.0);
+//   } else {
+//     outColor = vec4(0,0,0, 1.0);
+//   }
+//   //outColor = vec4(fragColor, 1.0);
 // }
 vec3 mandel(vec2 z0) {
     float k = 0.0;
@@ -20,13 +42,13 @@ vec3 mandel(vec2 z0) {
     return sin(mu*0.1 + vec3(0.0,0.5,1.0));
 }
 void main() {
-    float ar = fragPos.x / fragPos.y;
-    vec2 uv = gl_FragCoord.xy / fragPos.yy - vec2(0.66 * ar, 0.5);
-    //uv = uv * 2.0 + vec2(-0.3, 1.0);
+    float ar = ubo.resolution.x / ubo.resolution.y;
+    vec2 uv = gl_FragCoord.xy / ubo.resolution.yy - vec2(0.66 * ar, 0.5);
+    // uv = uv * 2.0 + vec2(-0.3, 0.0);
     float p = 30.0;
     float t = mod(13.0, p);
     if (t > p/2.0) t = p - t;
-    float scale = 0.5 + pow(4.0, t);
+    float scale = 0.5 + pow(2.0, t);
     vec2 offset = vec2(-1.36799, .01);
     uv += offset*scale;
     uv /= scale;