56 lines
1.3 KiB
HLSL
56 lines
1.3 KiB
HLSL
cbuffer gear_block : register(b0)
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{
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float4x4 mvp_matrix;
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float3x3 normal_matrix;
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};
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struct vs_in
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{
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float4 position : POSITION;
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float3 normal : NORMAL;
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float3 diffuse : DIFFUSE;
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float4 transform : TRANSFORM;
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};
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struct vs_out
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{
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float4 position : SV_POSITION;
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float4 colour : COLOR;
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};
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struct vs_out vs_main(struct vs_in i)
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{
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const float3 l_pos = float3(5.0, 5.0, 10.0);
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float3 dir, normal;
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float4 position;
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struct vs_out o;
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float att;
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position.x = i.transform.x * i.position.x - i.transform.y * i.position.y + i.transform.z;
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position.y = i.transform.x * i.position.y + i.transform.y * i.position.x + i.transform.w;
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position.zw = i.position.zw;
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o.position = mul(mvp_matrix, position);
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dir = normalize(l_pos - o.position.xyz / o.position.w);
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normal.x = i.transform.x * i.normal.x - i.transform.y * i.normal.y;
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normal.y = i.transform.x * i.normal.y + i.transform.y * i.normal.x;
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normal.z = i.normal.z;
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att = 0.2 + dot(dir, normalize(mul(normal_matrix, normal)));
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o.colour.xyz = i.diffuse.xyz * att;
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o.colour.w = 1.0;
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return o;
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}
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float4 ps_main_smooth(float4 position : SV_POSITION, float4 colour : COLOR) : SV_TARGET
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{
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return colour;
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}
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float4 ps_main_flat(float4 position : SV_POSITION, nointerpolation float4 colour : COLOR) : SV_TARGET
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{
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return colour;
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}
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