59 lines
943 B
HLSL
59 lines
943 B
HLSL
float wglnoise_mod(float x, float y)
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{
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return x - y * floor(x / y);
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}
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float2 wglnoise_mod(float2 x, float2 y)
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{
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return x - y * floor(x / y);
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}
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float3 wglnoise_mod(float3 x, float3 y)
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{
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return x - y * floor(x / y);
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}
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float4 wglnoise_mod(float4 x, float4 y)
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{
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return x - y * floor(x / y);
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}
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float2 wglnoise_fade(float2 t)
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{
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return t * t * t * (t * (t * 6 - 15) + 10);
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}
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float3 wglnoise_fade(float3 t)
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{
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return t * t * t * (t * (t * 6 - 15) + 10);
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}
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float wglnoise_mod289(float x)
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{
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return x - floor(x / 289) * 289;
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}
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float2 wglnoise_mod289(float2 x)
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{
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return x - floor(x / 289) * 289;
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}
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float3 wglnoise_mod289(float3 x)
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{
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return x - floor(x / 289) * 289;
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}
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float4 wglnoise_mod289(float4 x)
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{
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return x - floor(x / 289) * 289;
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}
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float3 wglnoise_permute(float3 x)
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{
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return wglnoise_mod289((x * 34 + 1) * x);
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}
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float4 wglnoise_permute(float4 x)
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{
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return wglnoise_mod289((x * 34 + 1) * x);
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} |