/* This shader combines a dynamic 4D hypercube structure with melancholic hues and subtle oscillations for a visually soothing effect. */ precision mediump float; varying vec2 uv; uniform float time, width, height; vec2 rot(vec2 p, float a) { float c = cos(a), s = sin(a); return mat2(c, -s, s, c) * p; } float sdBox(vec3 p, vec3 b) { vec3 d = abs(p) - b; return length(max(d, 0.0)) + min(max(d.x, max(d.y, d.z)), 0.0); } float map(vec3 p) { p.xy = rot(p.xy, time * 0.5); p.xz = rot(p.xz, time * 0.3); return sdBox(p, vec3(0.3)); } vec3 getColor(float d) { // Map distance to melancholic hue gradient float hue = 0.5 + 0.4 * sin(d * 3.0 + time); float saturation = 0.6; float value = 0.8; vec3 col = vec3(hue, saturation, value); // Convert HSV to RGB float c = value * saturation; float x = c * (1.0 - abs(mod(hue * 6.0, 2.0) - 1.0)); float m = value - c; if (0.0 <= hue && hue < 1.0 / 6.0) col = vec3(c, x, 0.0); else if (1.0 / 6.0 <= hue && hue < 2.0 / 6.0) col = vec3(x, c, 0.0); else if (2.0 / 6.0 <= hue && hue < 3.0 / 6.0) col = vec3(0.0, c, x); else if (3.0 / 6.0 <= hue && hue < 4.0 / 6.0) col = vec3(0.0, x, c); else if (4.0 / 6.0 <= hue && hue < 5.0 / 6.0) col = vec3(x, 0.0, c); else col = vec3(c, 0.0, x); return col + m; } void main() { // Normalize the UV coordinates for square aspect ratio vec2 fragCoord = vec2((uv.x - 0.5) * max(width / height, 1.0) + 0.5, (uv.y - 0.5) * max(height / width, 1.0) + 0.5); vec3 ro = vec3(0.0, 0.0, 2.0); vec3 rd = normalize(vec3(fragCoord - 0.5, -1.0)); float t = 0.0; float d; for (int i = 0; i < 64; i++) { vec3 p = ro + t * rd; d = map(p); if (d < 0.001) break; t += d * 0.5; } vec3 col = getColor(d); gl_FragColor = vec4(col, 1.0); }

Geometric Abstraction

edit

hypercubes in 4th dimension Edge Highlighting

edit

edit

fish Textured scales

edit

Ethereal Glow

edit

edit

edit

Melancholic Hue

edit

Frame Elements

edit

click to explore, then edit