DynamicCubePS.hlsl

// Geometry Pass Pixel Shader

Texture2D diffuseTex : register(t0);
TextureCube cubeMap : register(t1);

SamplerState wrapSampler : register(s0);
SamplerState clampSampler : register(s1);

struct PixelInput
{
    float4 position : SV_POSITION;
    float2 tex : TEXCOORD;
    float3 normal : NORMAL;
    float3 worldPos : WORLDPOS;

};

struct Pixeloutput
{
    float4 position : sv_target0;
    float3 normal : sv_target1;
    float3 worldpos : sv_target2;
    float4 diffuse : sv_target3;
    float4 ambientmtl : sv_target4;
    float4 diffusemtl : sv_target5;
    float4 specularmtl : sv_target6;
    float4 lightclippos : sv_target7;
};

cbuffer mtlData : register(b0)
{
    float4 kA;
    float4 kD;
    float4 kS;
    float4 reflectionColor;
    float shine = 1; //shinyness
    bool hasReflection = false;
    bool isObj = true;
    bool isTransparent = false;
    bool canMove = false;
    float textureIndex = 0;
    float index = 0;
}

cbuffer LightMatrix : register(b1)
{
    float4x4 lightMatrix;
}

cbuffer CAMERA : register(b2)
{
    float3 cameraPosition;
}


//float4 main(PixelInput input) : SV_TARGET
//{
//
//    // Interpolating normal can unnormalize it, so normalize it.
//
//    // Compute vector from pixel position to eye.
//    //float3 toEyeW = normalize(cameraPosition - input.position);
//   /* float3 toEyeW = normalize(input.worldPos - cameraPosition);
//    float3 reflectVec = reflect(toEyeW, normalize(input.normal));*/
//    const float3 normalFrag = normalize(input.normal);
//    const float3 camFrag = normalize(cameraPosition - input.worldPos);
//
//    float3 vectorReflect = reflect(camFrag, normalFrag);
//
//
//
//    // Sample texture
//    float4 texColor = float4(cubeMap.Sample(wrapSampler, vectorReflect));
//    texColor.w = 1; //force it
//    return texColor;
//}


Pixeloutput main(PixelInput input)
{
    Pixeloutput output;
    const float3 normalFrag = normalize(input.normal.xyz);
    const float3 camFrag = normalize(cameraPosition.xyz - input.worldPos.xyz);

    float3 vectorReflect = reflect(camFrag, normalFrag);



    // Sample texture
    float4 texColor = float4(cubeMap.Sample(wrapSampler, vectorReflect));
    //texColor.w = 1; //force it

    output.position = input.position;
    output.normal = input.normal;
    output.worldpos = input.worldPos;
    output.diffuse = texColor;
    output.ambientmtl = 1.0f;
    output.diffusemtl = kD;
    output.specularmtl = kS;


    output.lightclippos = mul(float4(output.worldpos, 1.0f), lightMatrix);


    return output;
}