lygia/space/checkerTile)Return a black or white in a square checker patter
Dependencies:
Use:
<vec4> checkerTile(<vec4> tile)
<vec4> checkerTile(<vec2> st [, <vec2> scale])
#ifndef FNC_CHECKERTILE
#define FNC_CHECKERTILE
float checkerTile(vec4 t) {
vec2 c = mod(t.zw,2.);
return abs(c.x-c.y);
}
float checkerTile(vec2 v) {
return checkerTile(sqTile(v));
}
float checkerTile(vec2 v, float s) {
return checkerTile(v * s);
}
float checkerTile(vec2 v, vec2 s) {
return checkerTile(v * s);
}
#endif
Dependencies:
Use:
<float4> checkerTile(<float4> tile)
<float4> checkerTile(<float2> st [, <float2> scale])
#ifndef FNC_CHECKERTILE
#define FNC_CHECKERTILE
float checkerTile(float4 tile) {
float2 c = mod(tile.zw, 2.0);
return abs(c.x-c.y);
}
float checkerTile(float2 st) {
return checkerTile(sqTile(st));
}
float checkerTile(float2 st, float scale) {
return checkerTile(st * scale);
}
float checkerTile(float2 st, float2 scale) {
return checkerTile(st * scale);
}
#endif
Dependencies:
Use:
<float4> checkerTile(<float4> tile)
<float4> checkerTile(<float2> st [, <float2> scale])
#ifndef FNC_CHECKERTILE
#define FNC_CHECKERTILE
float checkerTile(float4 t) {
float2 c = mod(t.zw,2.);
return abs(c.x-c.y);
}
float checkerTile(float2 v) {
return checkerTile(sqTile(v));
}
float checkerTile(float2 v, float s) {
return checkerTile(v * s);
}
float checkerTile(float2 v, float2 s) {
return checkerTile(v * s);
}
#endif
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