tän pitäisi tehdä shapeja

src/shaders/fragment.frag

@@ -6,6 +6,8 @@ const float TAU = (2. * PI);
 const float PHI = sqrt(5.) * 0.5 + 0.5;
 layout(location = 0) uniform float syncs[7];
 layout(location = 8) uniform float fft_output[512]; // FFT_SIZE / 4
+layout(location = 600) uniform vec3 shapes[15]; // shapes - x = horizontal position, y = vertical position, z = length
+layout(location = 700) uniform vec3 test; // shapes test
 float u_time = syncs[0];
 
 vec2 getUV() {
@@ -41,6 +43,10 @@ float getScaledFFT(int index, float scale, float offset) {
     return log(1.0 + raw * scale) + offset;
 }
 
+float sdSphere(vec3 p, float r){
+    return length(p) -r;
+}
+
 // Modify your mapScene function
 vec2 mapScene(in vec3 p) {
     float mat = 0.;
@@ -54,7 +60,7 @@ vec2 mapScene(in vec3 p) {
 
     // Hexagonal grid
     float hexGap = 0.2;
-
+    /*
     for(float j = 0.; j < 16.; j++) {
         vec3 po = p;
         po += vec3((1.6 + hexGap) * 8, -5., -(1.88 + hexGap) * 10);
@@ -85,6 +91,14 @@ vec2 mapScene(in vec3 p) {
             }
         }
     }
+    */
+
+    // main note effect shapes
+    a = sdSphere(vec3(p.x + test.y, p.y + test.x, p.z), test.z + 2.);
+    d = min(d, a);
+    if (d == a) {
+        mat = 1.;
+    }
 
     return vec2(d, mat);
 }