renati/voxel-game
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Smaller matrices in uniforms, texcoord transform to rotate voxel faces

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Szymon Nowakowski
2026-09-23 15:42:31 +02:00
parent a6d2538352
commit ea94b65f06
11 changed files with 127 additions and 45 deletions
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16
assets/shaders/main.slang
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@@ -33,22 +33,24 @@ Varyings vertexMain(Vertex vert, uint instanceID : SV_VulkanInstanceID) {
let object = _Objects[instanceID];
let positionWS = mul(object.matrixOStoWS, float4(vert.positionOS, 1.0)).xyz;
let positionVS = mul(_Global.matrixWStoVS, float4(positionWS, 1.0)).xyz;
let positionWS = mul(object.matrixOStoWS, float4(vert.positionOS, 1.0));
let positionVS = mul(_Global.matrixWStoVS, float4(positionWS, 1.0));
let positionCS = mul(_Global.matrixVStoCS, float4(positionVS, 1.0));
let normalWS = normalize(mul(object.matrixOStoWSNormal, float4(vert.normalOS, 0.0)).xyz);
let normalVS = normalize(mul(_Global.matrixWStoVS, float4(normalWS, 0.0)).xyz);
let texCoord = mul(object.texCoordTransform, float3(vert.texCoord, 1.0));
let tangentWS = normalize(mul(object.matrixOStoWSNormal, float4(vert.tangentOS.xyz, 0.0)).xyz);
let tangentVS = normalize(mul(_Global.matrixWStoVS, float4(tangentWS, 0.0)).xyz);
let normalWS = normalize(mul(object.matrixOStoWS, float4(vert.normalOS, 0.0)));
let normalVS = normalize(mul(_Global.matrixWStoVS, float4(normalWS, 0.0)));
let tangentWS = normalize(mul(object.matrixOStoWS, float4(vert.tangentOS.xyz, 0.0)));
let tangentVS = normalize(mul(_Global.matrixWStoVS, float4(tangentWS, 0.0)));
let bitangentVS = vert.tangentOS.w * normalize(cross(normalVS, tangentVS));
out.positionCS = positionCS;
out.instance = instanceID;
out.positionVS = positionVS;
out.texCoord = vert.texCoord;
out.texCoord = texCoord;
out.normalVS = normalVS;
out.tangentVS = tangentVS;
out.bitangentVS = bitangentVS;