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fix(rendering): changed the way faces are determined

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maelstrom 2025-07-15 17:30:18 +02:00
parent c944c0cb09
commit b8c4d130d4
2 changed files with 979 additions and 966 deletions
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23
assets/shaders/phong.vs
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@ -9,6 +9,7 @@ const int FaceBack = 2;
const int FaceLeft = 3;
const int FaceBottom = 4;
const int FaceFront = 5;
const int FaceNone = 6;
const int SurfaceSmooth = 0;
const int SurfaceGlue = 1;
@ -31,6 +32,8 @@ uniform mat4 projection;
uniform int surfaces[6];
uniform vec3 texScale;
const float faceThreshold = sqrt(2)/2;
void main()
{
gl_Position = projection * view * model * vec4(aPos, 1.0);
@ -38,12 +41,20 @@ void main()
lPos = aPos;
vNormal = normalMatrix * aNormal;
lNormal = aNormal;
int vFace = aNormal == vec3(0,1,0) ? FaceTop :
aNormal == vec3(0, -1, 0) ? FaceBottom :
aNormal == vec3(1, 0, 0) ? FaceRight :
aNormal == vec3(-1, 0, 0) ? FaceLeft :
aNormal == vec3(0, 0, -1) ? FaceFront :
aNormal == vec3(0, 0, 1) ? FaceBack : -1;
int vFace = FaceNone;
if (dot(vec3(0, 1, 0), aNormal) > faceThreshold)
vFace = FaceTop;
else if (dot(vec3(0, -1, 0), aNormal) > faceThreshold)
vFace = FaceBottom;
else if (dot(vec3(1, 0, 0), aNormal) > faceThreshold)
vFace = FaceRight;
else if (dot(vec3(-1, 0, 0), aNormal) > faceThreshold)
vFace = FaceLeft;
else if (dot(vec3(0, 0, -1), aNormal) > faceThreshold)
vFace = FaceFront;
else if (dot(vec3(0, 0, 1), aNormal) > faceThreshold)
vFace = FaceBack;
vSurfaceZ = surfaces[vFace];
if (surfaces[vFace] > SurfaceUniversal) vSurfaceZ = 0;

1922
core/src/rendering/defaultmeshes.cpp
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