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#include "shader_common.h"
cbuffer DrawConstantBuffer
{
float4x4 mWorld;
float4x4 mViewProjection;
float4 mSurfaceColor;
float4 mDeepColor;
uint mTextureIndex;
};
float linstep(float min, float max, float s)
{
return saturate((s - min) / (max - min));
}
void asteroid_vs(in float3 in_pos : ATTRIB0,
in float3 in_normal : ATTRIB1,
out float4 position : SV_Position,
out VSOut vs_output)
{
float3 positionWorld = mul(mWorld, float4(in_pos, 1.0f)).xyz;
position = mul(mViewProjection, float4(positionWorld, 1.0f));
vs_output.positionModel = in_pos;
vs_output.normalWorld = mul(mWorld, float4(in_normal, 0.0f)).xyz; // No non-uniform scaling
float depth = linstep(0.5f, 0.7f, length(in_pos.xyz));
vs_output.albedo = lerp(mDeepColor.xyz, mSurfaceColor.xyz, depth);
vs_output.textureId = mTextureIndex;
}
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