45 lines
No EOL
834 B
Text
45 lines
No EOL
834 B
Text
/* Copyright (c) 2025, Sascha Willems
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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struct VSInput
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{
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float3 Pos;
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};
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struct VSOutput
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{
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float4 Pos : SV_POSITION;
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float4 WorldPos;
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float3 LightPos;
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};
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struct UBO
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{
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float4x4 projection;
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float4x4 view;
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float4x4 model;
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float4 lightPos;
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};
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ConstantBuffer<UBO> ubo;
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[shader("vertex")]
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VSOutput vertexMain(VSInput input, uniform float4x4 view)
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{
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VSOutput output;
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output.Pos = mul(ubo.projection, mul(view, mul(ubo.model, float4(input.Pos, 1.0))));
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output.WorldPos = float4(input.Pos, 1.0);
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output.LightPos = ubo.lightPos.xyz;
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return output;
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}
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[shader("fragment")]
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float fragmentMain(VSOutput input)
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{
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// Store distance to light as 32 bit float value
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float3 lightVec = input.WorldPos.xyz - input.LightPos;
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return length(lightVec);
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} |