65 lines
2.0 KiB
HLSL
65 lines
2.0 KiB
HLSL
struct VertexData{
|
|
float4 position:POSITION;
|
|
float4 texcoord:TEXCOORD0;
|
|
float4 normal:NORMAL;
|
|
float4 tangent:TANGENT;
|
|
};
|
|
|
|
struct VSOut{
|
|
float4 position:SV_POSITION;
|
|
float4 normal:NORMAL;
|
|
float4 texcoord:TEXCOORD0;
|
|
float4 positionWS:TEXCOORD1;
|
|
};
|
|
|
|
static const float PI=3.141592;
|
|
cbuffer globalConstants:register(b0){
|
|
float4 misc;
|
|
};
|
|
|
|
cbuffer DefaultVertexCB:register(b1){
|
|
float4x4 ProjectionMatrix;
|
|
float4x4 ViewMatrix;
|
|
float4x4 ModelMatrix;
|
|
float4x4 IT_ModelMatrix;
|
|
float4x4 ReservedMemory[1020];
|
|
};
|
|
|
|
VSOut MainVS(VertexData inVertexData){
|
|
VSOut vo;
|
|
vo.normal=mul(IT_ModelMatrix,inVertexData.normal);
|
|
float3 positionMS=inVertexData.position.xyz+vo.normal*sin(misc.x);
|
|
float4 positionWS=mul(ModelMatrix,float4(positionMS,1.0));
|
|
float4 positionVS=mul(ViewMatrix,positionWS);
|
|
vo.position=mul(ProjectionMatrix,positionVS);
|
|
vo.positionWS=positionWS;
|
|
vo.texcoord=inVertexData.texcoord;
|
|
return vo;
|
|
}
|
|
|
|
float4 MainPS(VSOut inPSInput):SV_TARGET{
|
|
float3 N=normalize(inPSInput.normal.xyz);
|
|
float3 bottomColor=float3(0.1f,0.4f,0.6f);
|
|
float3 topColor=float3(0.7f,0.7f,0.7f);
|
|
float theta=asin(N.y);//-PI/2 ~ PI/2
|
|
theta/=PI;//-0.5~0.5
|
|
theta+=0.5f;//0.0~1.0
|
|
float ambientColorIntensity=0.2;
|
|
float3 ambientColor=lerp(bottomColor,topColor,theta)*ambientColorIntensity;
|
|
float3 L=normalize(float3(1.0f,1.0f,-1.0f));
|
|
|
|
float diffuseIntensity=max(0.0f,dot(N,L));
|
|
float3 diffuseLightColor=float3(0.1f,0.4f,0.6f);
|
|
float3 diffuseColor=diffuseLightColor*diffuseIntensity;
|
|
|
|
float3 specularColor=float3(0.0f,0.0f,0.0f);
|
|
if(diffuseIntensity>0.0f){
|
|
float3 cameraPositionWS=float3(0.0f,0.0f,0.0f);
|
|
float3 V=normalize(cameraPositionWS.xyz-inPSInput.positionWS.xyz);
|
|
float3 R=normalize(reflect(-L,N));
|
|
float specularIntensity=pow(max(0.0f,dot(V,R)),128.0f);
|
|
specularColor=float3(1.0f,1.0f,1.0f)*specularIntensity;
|
|
}
|
|
float3 surfaceColor=ambientColor+diffuseColor+specularColor;
|
|
return float4(surfaceColor,1.0f);
|
|
} |