Flatkit 추가 및 설정

Assets/FlatKit/Demos/[Demo] Desert/Shaders/Noise/Common.hlsl

@@ -0,0 +1,64 @@
+#ifndef _INCLUDE_JP_KEIJIRO_NOISESHADER_COMMON_HLSL_
+#define _INCLUDE_JP_KEIJIRO_NOISESHADER_COMMON_HLSL_
+
+float wglnoise_mod(float x, float y)
+{
+    return x - y * floor(x / y);
+}
+
+float2 wglnoise_mod(float2 x, float2 y)
+{
+    return x - y * floor(x / y);
+}
+
+float3 wglnoise_mod(float3 x, float3 y)
+{
+    return x - y * floor(x / y);
+}
+
+float4 wglnoise_mod(float4 x, float4 y)
+{
+    return x - y * floor(x / y);
+}
+
+float2 wglnoise_fade(float2 t)
+{
+    return t * t * t * (t * (t * 6 - 15) + 10);
+}
+
+float3 wglnoise_fade(float3 t)
+{
+    return t * t * t * (t * (t * 6 - 15) + 10);
+}
+
+float wglnoise_mod289(float x)
+{
+    return x - floor(x / 289) * 289;
+}
+
+float2 wglnoise_mod289(float2 x)
+{
+    return x - floor(x / 289) * 289;
+}
+
+float3 wglnoise_mod289(float3 x)
+{
+    return x - floor(x / 289) * 289;
+}
+
+float4 wglnoise_mod289(float4 x)
+{
+    return x - floor(x / 289) * 289;
+}
+
+float3 wglnoise_permute(float3 x)
+{
+    return wglnoise_mod289((x * 34 + 1) * x);
+}
+
+float4 wglnoise_permute(float4 x)
+{
+    return wglnoise_mod289((x * 34 + 1) * x);
+}
+
+#endif