63 lines
1.7 KiB
GLSL
63 lines
1.7 KiB
GLSL
#version 330 core
|
|
layout (location = 0) in vec3 aPos;
|
|
layout (location = 1) in vec3 aNormal;
|
|
layout (location = 2) in vec2 aTexCoords;
|
|
|
|
const int FaceRight = 0;
|
|
const int FaceTop = 1;
|
|
const int FaceBack = 2;
|
|
const int FaceLeft = 3;
|
|
const int FaceBottom = 4;
|
|
const int FaceFront = 5;
|
|
|
|
const int SurfaceSmooth = 0;
|
|
const int SurfaceGlue = 1;
|
|
const int SurfaceWeld = 2;
|
|
const int SurfaceStuds = 3;
|
|
const int SurfaceInlets = 4;
|
|
const int SurfaceUniversal = 5;
|
|
|
|
out vec3 vPos;
|
|
out vec3 vNormal;
|
|
out vec2 vTexCoords;
|
|
flat out int vSurfaceZ;
|
|
|
|
uniform mat4 model;
|
|
uniform mat3 normalMatrix;
|
|
uniform mat4 view;
|
|
uniform mat4 projection;
|
|
uniform int surfaces[6];
|
|
uniform vec3 texScale;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = projection * view * model * vec4(aPos, 1.0);
|
|
vPos = vec3(model * vec4(aPos, 1.0));
|
|
vNormal = normalMatrix * 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;
|
|
|
|
vSurfaceZ = surfaces[vFace];
|
|
// if (surfaces[vFace] > SurfaceUniversal) vSurfaceZ = 0;
|
|
|
|
switch (vFace) {
|
|
case FaceTop:
|
|
case FaceBottom:
|
|
// vTexCoords = aTexCoords * vec2(texScale.x / 2, fract(surfaceOffset + texScale.z / 12));
|
|
vTexCoords = aTexCoords * vec2(texScale.x, texScale.z) / 2;
|
|
break;
|
|
case FaceLeft:
|
|
case FaceRight:
|
|
vTexCoords = aTexCoords * vec2(texScale.y, texScale.z) / 2;
|
|
break;
|
|
case FaceFront:
|
|
case FaceBack:
|
|
vTexCoords = aTexCoords * vec2(texScale.x, texScale.y) / 2;
|
|
break;
|
|
};
|
|
}
|