+feat ( début reflection )

enginecustom/reflection.ps

@@ -0,0 +1,43 @@
+Texture2D shaderTexture : register(t0);
+
+Texture2D reflectionTexture : register(t1);
+SamplerState SampleType : register(s0);
+
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float4 reflectionPosition : TEXCOORD1;
+};
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Pixel Shader
+////////////////////////////////////////////////////////////////////////////////
+float4 ReflectionPixelShader(PixelInputType input) : SV_TARGET
+{
+    float4 textureColor;
+    float2 reflectTexCoord;
+    float4 reflectionColor;
+    float4 color;
+
+
+    // Sample the texture pixel at this location.
+    textureColor = shaderTexture.Sample(SampleType, input.tex);
+
+    // Calculate the projected reflection texture coordinates.
+    reflectTexCoord.x = input.reflectionPosition.x / input.reflectionPosition.w / 2.0f + 0.5f;
+    reflectTexCoord.y = -input.reflectionPosition.y / input.reflectionPosition.w / 2.0f + 0.5f;
+
+    // Sample the texture pixel from the reflection texture using the projected texture coordinates.
+    reflectionColor = reflectionTexture.Sample(SampleType, reflectTexCoord);
+
+    // Do a linear interpolation between the two textures for a blend effect.
+    color = lerp(textureColor, reflectionColor, 0.15f);
+
+    return color;
+}