public CMesh(AMesh lMesh)
{
V = new CVertex[lMesh.V.Length];
for (int i = 0; i < lMesh.V.Length; i++)
{
V[i] = new CVertex(lMesh.V[i].Position);
}
E = new CEdge[lMesh.E.Length];
for (int i = 0; i < lMesh.E.Length; i++)
{
int[] lVerts = new int[2] {
lMesh.E[i].Vertices[0], lMesh.E[i].Vertices[1]
};
int[] lFaces = new int[2] {
lMesh.E[i].Faces[0], lMesh.E[i].Faces[1]
};
E[i] = new CEdge(lVerts, lFaces);
}
F = new CFace[lMesh.F.Length];
for (int i = 0; i < lMesh.F.Length; i++)
{
int[] lEdges = new int[lMesh.F[i].Edges.Length];
for (int j = 0; j < lMesh.F[i].Edges.Length; j++)
{
lEdges[j] = lMesh.F[i].Edges[j];
}
F[i] = new CFace(lEdges, lMesh.F[i].Plane);
}
}
public static CMesh CreateConvexPolyhedron(Plane[] lPlanes, Vector3 lCentre, Vector3 lSize)
{
AMesh lMeshToClip = CreateAMeshBox(lCentre, lSize);
CMesh lClippedMesh = new CMesh(lMeshToClip);
for (int i = 0; i < lPlanes.Length; i++)
{
ClipOperationResult lResult = Clip(ref lClippedMesh, lPlanes[i]);
if (lResult == ClipOperationResult.AllNegative)
{
break;
}
}
return(lClippedMesh);
}
private static AMesh CreateAMeshBox(Vector3 lCentre, Vector3 lSize)
{
Vector3 lHalfSize = lSize * 0.5f;
Vector3 lMin = lCentre - lHalfSize;
Vector3 lMax = lCentre + lHalfSize;
AVertex[] lVerts = new AVertex[8];
lVerts[0] = new AVertex(new Vector3(lMin.x, lMax.y, lMin.z));
lVerts[1] = new AVertex(new Vector3(lMax.x, lMax.y, lMin.z));
lVerts[2] = new AVertex(new Vector3(lMax.x, lMin.y, lMin.z));
lVerts[3] = new AVertex(new Vector3(lMin.x, lMin.y, lMin.z));
lVerts[4] = new AVertex(new Vector3(lMin.x, lMax.y, lMax.z));
lVerts[5] = new AVertex(new Vector3(lMax.x, lMax.y, lMax.z));
lVerts[6] = new AVertex(new Vector3(lMax.x, lMin.y, lMax.z));
lVerts[7] = new AVertex(new Vector3(lMin.x, lMin.y, lMax.z));
AEdge[] lEdges = new AEdge[12];
lEdges[0] = new AEdge(new int[2] {
0, 1
}, new int[2] {
0, 1
});
lEdges[1] = new AEdge(new int[2] {
1, 2
}, new int[2] {
0, 2
});
lEdges[2] = new AEdge(new int[2] {
2, 3
}, new int[2] {
0, 3
});
lEdges[3] = new AEdge(new int[2] {
3, 0
}, new int[2] {
0, 4
});
lEdges[4] = new AEdge(new int[2] {
0, 4
}, new int[2] {
4, 1
});
lEdges[5] = new AEdge(new int[2] {
1, 5
}, new int[2] {
1, 2
});
lEdges[6] = new AEdge(new int[2] {
2, 6
}, new int[2] {
2, 3
});
lEdges[7] = new AEdge(new int[2] {
3, 7
}, new int[2] {
3, 4
});
lEdges[8] = new AEdge(new int[2] {
4, 5
}, new int[2] {
1, 5
});
lEdges[9] = new AEdge(new int[2] {
5, 6
}, new int[2] {
2, 5
});
lEdges[10] = new AEdge(new int[2] {
6, 7
}, new int[2] {
3, 5
});
lEdges[11] = new AEdge(new int[2] {
7, 4
}, new int[2] {
4, 5
});
AFace[] lFaces = new AFace[6];
lFaces[0] = new AFace(new int[4] {
0, 1, 2, 3
}, new Plane(Vector3.forward, lMin.z));
lFaces[1] = new AFace(new int[4] {
0, 4, 8, 5
}, new Plane(Vector3.down, -lMax.y));
lFaces[2] = new AFace(new int[4] {
1, 6, 9, 5
}, new Plane(Vector3.left, -lMax.x));
lFaces[3] = new AFace(new int[4] {
2, 7, 10, 6
}, new Plane(Vector3.up, lMin.y));
lFaces[4] = new AFace(new int[4] {
3, 7, 11, 4
}, new Plane(Vector3.right, lMin.x));
lFaces[5] = new AFace(new int[4] {
8, 9, 10, 11
}, new Plane(Vector3.back, -lMax.z));
AMesh lMesh = new AMesh();
lMesh.V = lVerts;
lMesh.E = lEdges;
lMesh.F = lFaces;
return(lMesh);
}
