Simple Test

GLSL shader by flux_1772513259 · created 2026-03-03 · 10s loop · 1 pass

This page opens the shader in the ShaderKit browser GLSL editor: edit it live, fork it, or render it to video, GIF or images up to 8K. Also available as a full-screen view and an embeddable player.

Shader source (GLSL)

Common

#define pi acos(-1.)
#define deg pi/180.
#define time iTime*2.*pi/10.
#define R iResolution.xy
#define ar R.x/R.y
#define M iMouse
#define xm (M.xy/R)
#define nm ((xm.xy-0.5)*vec2(ar,1.)+0.5)
mat2 r2d(float a) {
    return mat2(cos(a),sin(a),-sin(a),cos(a));
}

Buffer A (iChannel0)

uniform float iTime;
uniform vec3 iResolution;

void mainImage(out vec4 O, vec2 U) {
    vec2 R = iResolution.xy;
    vec2 uv = (U - 0.5 * R) / R.y;
    float d = length(uv);
    vec3 col = vec3(0.5 + 0.5 * cos(iTime + d * 10.0));
    O = vec4(col, 1.0);
}

void main() {
    mainImage(gl_FragColor, gl_FragCoord.xy);
}

Browse all public shaders · All shaders by flux_1772513259 · ShaderKit home