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

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This commit is contained in:
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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15
assets/shaders/includes/structs.slang
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@@ -1,5 +1,5 @@
struct GlobalUniforms {
float4x4 matrixWStoVS;
float3x4 matrixWStoVS;
float4x4 matrixVStoCS;
float2x3 matrixSSPXtoCS;
@@ -12,10 +12,10 @@ struct PointLight {
float3 positionWS;
float3 color;
IncomingLight getIncoming(float4x4 matrixWStoVS, float3 positionVS) {
IncomingLight getIncoming(float3x4 matrixWStoVS, float3 positionVS) {
IncomingLight light;
let lightPositionVS = mul(matrixWStoVS, float4(positionWS, 1.0)).xyz;
let lightPositionVS = mul(matrixWStoVS, float4(positionWS, 1.0));
let lightDirectionVS = normalize(lightPositionVS - positionVS);
let lightDistance = distance(positionVS, lightPositionVS);
let lightAttenuation = 1.0 / (lightDistance * lightDistance);
@@ -31,11 +31,11 @@ struct DirectionalLight {
float3 directionWS;
float3 color;
IncomingLight getIncoming(float4x4 matrixWStoVS) {
IncomingLight getIncoming(float3x4 matrixWStoVS) {
IncomingLight light;
light.radiance = color;
light.directionVS = normalize(mul(matrixWStoVS, float4(-directionWS, 0.0)).xyz);
light.directionVS = normalize(mul(matrixWStoVS, float4(-directionWS, 0.0)));
return light;
}
}
@@ -56,8 +56,9 @@ struct Material {
}
struct ObjectUniforms {
float4x4 matrixOStoWS;
float4x4 matrixOStoWSNormal;
// Limited to a composition of translation and rotation
float3x4 matrixOStoWS;
float2x3 texCoordTransform;
uint16_t material;
}