Delete shader.glsl

shader.glsl

@@ -1,62 +0,0 @@
-precision highp float;
-
-uniform vec2 u_res;
-uniform float u_time;
-uniform float u_power;
-uniform float u_energy;
-uniform vec3 u_camPos;
-uniform mat3 u_camRot;
-
-#define MAX_STEPS 120
-#define MAX_DIST  10.0
-#define SURF_DIST 0.001
-
-float mandelbulb(vec3 p) {
-  vec3 z = p;
-  float dr = 1.0;
-  float r = 0.0;
-
-  for (int i = 0; i < 10; i++) {
-    r = length(z);
-    if (r > 2.0) break;
-
-    float theta = acos(z.z / r);
-    float phi = atan(z.y, z.x);
-    dr = pow(r, u_power - 1.0) * u_power * dr + 1.0;
-
-    float zr = pow(r, u_power);
-    theta *= u_power;
-    phi *= u_power;
-
-    z = zr * vec3(
-      sin(theta) * cos(phi),
-      sin(phi) * sin(theta),
-      cos(theta)
-    ) + p;
-  }
-  return 0.5 * log(r) * r / dr;
-}
-
-float march(vec3 ro, vec3 rd) {
-  float d = 0.0;
-  for (int i = 0; i < MAX_STEPS; i++) {
-    vec3 p = ro + rd * d;
-    float ds = mandelbulb(p);
-    d += ds;
-    if (d > MAX_DIST || abs(ds) < SURF_DIST) break;
-  }
-  return d;
-}
-
-void main() {
-  vec2 uv = (gl_FragCoord.xy - 0.5 * u_res) / u_res.y;
-
-  vec3 rd = normalize(u_camRot * vec3(uv, 1.5));
-  vec3 ro = u_camPos;
-
-  float d = march(ro, rd);
-  float glow = exp(-d * 0.8) * u_energy;
-
-  vec3 col = vec3(glow, glow * 0.7, glow * 1.3);
-  gl_FragColor = vec4(col, 1.0);
-}