lygia/math/mod2)Two dimensional modulus, returns the remainder of a division of two vectors. Found at in Mercury's library https://mercury.sexy/hg_sdf/
Use:
<vec2> mod2(<vec2> x, <vec2> size)
#ifndef FNC_MOD2
#define FNC_MOD2
vec2 mod2(inout vec2 p, float s) {
vec2 c = floor((p + s*0.5)/s);
p = mod(p + s*0.5,s) - s*0.5;
return c;
}
vec2 mod2(inout vec2 p, vec2 s) {
vec2 c = floor((p + s*0.5)/s);
p = mod(p + s*0.5,s) - s*0.5;
return c;
}
#endif
Dependencies:
Use:
<float2> mod2(<float2> x, <float2> size)
#ifndef FNC_MOD2
#define FNC_MOD2
float2 mod2(inout float2 p, float s) {
float2 c = floor((p + s * 0.5) / s);
p = mod(p + s*0.5,s) - s*0.5;
return c;
}
float2 mod2(inout float2 p, float2 s) {
float2 c = floor((p + s * 0.5) / s);
p = mod(p + s*0.5,s) - s*0.5;
return c;
}
#endif
Use:
<float2> mod2(<float2> x, <float2> size)
#ifndef FNC_MOD2
#define FNC_MOD2
float2 mod2(thread float2& p, float s) {
float2 c = floor((p + s*0.5)/s);
p = mod(p + s*0.5,s) - s*0.5;
return c;
}
float2 mod2(thread float2& p, float2 s) {
float2 c = floor((p + s*0.5)/s);
p = mod(p + s*0.5,s) - s*0.5;
return c;
}
#endif
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