GLSL sandbox

(Computer Graphics - UniMi)

uniform vec3      iResolution;      // viewport resolution (in pixels)
uniform float     iTime;            // shader playback time (in seconds)
uniform float     iTimeDelta;       // render time (in seconds)
uniform int       iFrame;           // shader playback frame
uniform vec4      iMouse;           // mouse pixel coords. xy: current (if MLB down), zw: click
uniform vec4      iDate;            // (year, month, day, time in seconds)
uniform float     iSampleRate;      // sound sample rate (i.e., 44100)