void AddVoxelToMesh(Vector3Int posInt, VoxelMesh voxelMesh, MeshData meshData)
{
VoxelData voxel = voxelMesh.GetVoxel(posInt);
if (voxel == null)
{
return;
}
Vector3 pos = new Vector3(posInt.x * settings.voxelSize.x, posInt.y * settings.voxelSize.y, posInt.z * settings.voxelSize.z);
pos -= centerPos;
if (!voxel.IsVisible)
{
return;
}
VoxelData voxelUp = voxelMesh.GetVoxel(posInt.x, posInt.y + 1, posInt.z);
if (voxelUp == null || !voxelUp.IsVisible)
{
//UP
meshData.AddVertex(new Vector3(pos.x, pos.y + settings.voxelSize.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y + settings.voxelSize.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y + settings.voxelSize.y, pos.z));
meshData.AddVertex(new Vector3(pos.x, pos.y + settings.voxelSize.y, pos.z));
meshData.AddQuadTriangles();
SetUVsVoxel(voxel, meshData.uv);
}
VoxelData voxelDown = voxelMesh.GetVoxel(posInt.x, posInt.y - 1, posInt.z);
if (voxelDown == null || !voxelDown.IsVisible)
{
//Down
meshData.AddVertex(new Vector3(pos.x, pos.y, pos.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y, pos.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x, pos.y, pos.z + settings.voxelSize.z));
meshData.AddQuadTriangles();
SetUVsVoxel(voxel, meshData.uv);
}
VoxelData voxelFront = voxelMesh.GetVoxel(posInt.x, posInt.y, posInt.z + 1);
if (voxelFront == null || !voxelFront.IsVisible)
{
//Front
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y + settings.voxelSize.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x, pos.y + settings.voxelSize.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x, pos.y, pos.z + settings.voxelSize.z));
meshData.AddQuadTriangles();
SetUVsVoxel(voxel, meshData.uv);
}
VoxelData voxelBack = voxelMesh.GetVoxel(posInt.x, posInt.y, posInt.z - 1);
if (voxelBack == null || !voxelBack.IsVisible)
{
//Back
meshData.AddVertex(new Vector3(pos.x, pos.y, pos.z));
meshData.AddVertex(new Vector3(pos.x, pos.y + settings.voxelSize.y, pos.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y + settings.voxelSize.y, pos.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y, pos.z));
meshData.AddQuadTriangles();
SetUVsVoxel(voxel, meshData.uv);
}
VoxelData voxelRight = voxelMesh.GetVoxel(posInt.x + 1, posInt.y, posInt.z);
if (voxelRight == null || !voxelRight.IsVisible)
{
//Right
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y, pos.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y + settings.voxelSize.y, pos.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y + settings.voxelSize.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x + settings.voxelSize.x, pos.y, pos.z + settings.voxelSize.z));
meshData.AddQuadTriangles();
SetUVsVoxel(voxel, meshData.uv);
}
VoxelData voxelLeft = voxelMesh.GetVoxel(posInt.x - 1, posInt.y, posInt.z);
if (voxelLeft == null || !voxelLeft.IsVisible)
{
//Left
meshData.AddVertex(new Vector3(pos.x, pos.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x, pos.y + settings.voxelSize.y, pos.z + settings.voxelSize.z));
meshData.AddVertex(new Vector3(pos.x, pos.y + settings.voxelSize.y, pos.z));
meshData.AddVertex(new Vector3(pos.x, pos.y, pos.z));
meshData.AddQuadTriangles();
SetUVsVoxel(voxel, meshData.uv);
}
}
