public Plane GetBoxFacePlane(BoxFace boxFace)
{
switch (boxFace)
{
case BoxFace.Back:
return(new Plane(BoxFaces.GetFaceNormal(BoxFace.Back), GetBoxPoint(BoxPoint.BackBottomLeft)));
case BoxFace.Front:
return(new Plane(BoxFaces.GetFaceNormal(BoxFace.Front), GetBoxPoint(BoxPoint.FrontBottomLeft)));
case BoxFace.Left:
return(new Plane(BoxFaces.GetFaceNormal(BoxFace.Left), GetBoxPoint(BoxPoint.FrontBottomLeft)));
case BoxFace.Right:
return(new Plane(BoxFaces.GetFaceNormal(BoxFace.Right), GetBoxPoint(BoxPoint.FrontBottomRight)));
case BoxFace.Top:
return(new Plane(BoxFaces.GetFaceNormal(BoxFace.Top), GetBoxPoint(BoxPoint.FrontTopLeft)));
case BoxFace.Bottom:
return(new Plane(BoxFaces.GetFaceNormal(BoxFace.Bottom), GetBoxPoint(BoxPoint.FrontBottomLeft)));
default:
return(new Plane());
}
}
public CoordinateSystem GetBoxFaceCoordinateSystem(BoxFace boxFace)
{
var coordSystem = new CoordinateSystem();
Vector3 origin = GetBoxFaceCenter(boxFace);
Vector3 boxFaceUp = BoxFaces.GetFaceNormal(boxFace);
Vector3 boxFaceLook = BoxFaces.GetFaceLookAxis(boxFace);
coordSystem.SetOriginPosition(origin);
coordSystem.SetRotation(Quaternion.LookRotation(boxFaceLook, boxFaceUp));
return(coordSystem);
}
public Vector3 GetBoxFaceCenter(BoxFace boxFace)
{
Vector3 center = Center;
Vector3 extents = Extents;
switch (boxFace)
{
case BoxFace.Back:
return(center + BoxFaces.GetFaceNormal(BoxFace.Back) * extents.z);
case BoxFace.Front:
return(center + BoxFaces.GetFaceNormal(BoxFace.Front) * extents.z);
case BoxFace.Left:
return(center + BoxFaces.GetFaceNormal(BoxFace.Left) * extents.x);
case BoxFace.Right:
return(center + BoxFaces.GetFaceNormal(BoxFace.Right) * extents.x);
case BoxFace.Top:
return(center + BoxFaces.GetFaceNormal(BoxFace.Top) * extents.y);
case BoxFace.Bottom:
return(center + BoxFaces.GetFaceNormal(BoxFace.Bottom) * extents.y);
default:
return(Vector3.zero);
}
}
public Vector3 GetBoxPoint(BoxPoint boxPoint)
{
Vector3 center = Center;
Vector3 extents = Extents;
switch (boxPoint)
{
case BoxPoint.Center:
return(center);
case BoxPoint.FrontTopLeft:
return(center - BoxFaces.GetFaceRightAxis(BoxFace.Front) * extents.x +
BoxFaces.GetFaceLookAxis(BoxFace.Front) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Front) * extents.z);
case BoxPoint.FrontTopRight:
return(center + BoxFaces.GetFaceRightAxis(BoxFace.Front) * extents.x +
BoxFaces.GetFaceLookAxis(BoxFace.Front) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Front) * extents.z);
case BoxPoint.FrontBottomRight:
return(center + BoxFaces.GetFaceRightAxis(BoxFace.Front) * extents.x -
BoxFaces.GetFaceLookAxis(BoxFace.Front) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Front) * extents.z);
case BoxPoint.FrontBottomLeft:
return(center - BoxFaces.GetFaceRightAxis(BoxFace.Front) * extents.x -
BoxFaces.GetFaceLookAxis(BoxFace.Front) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Front) * extents.z);
case BoxPoint.BackTopLeft:
return(center - BoxFaces.GetFaceRightAxis(BoxFace.Back) * extents.x +
BoxFaces.GetFaceLookAxis(BoxFace.Back) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Back) * extents.z);
case BoxPoint.BackTopRight:
return(center + BoxFaces.GetFaceRightAxis(BoxFace.Back) * extents.x +
BoxFaces.GetFaceLookAxis(BoxFace.Back) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Back) * extents.z);
case BoxPoint.BackBottomRight:
return(center + BoxFaces.GetFaceRightAxis(BoxFace.Back) * extents.x -
BoxFaces.GetFaceLookAxis(BoxFace.Back) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Back) * extents.z);
case BoxPoint.BackBottomLeft:
return(center - BoxFaces.GetFaceRightAxis(BoxFace.Back) * extents.x -
BoxFaces.GetFaceLookAxis(BoxFace.Back) * extents.y +
BoxFaces.GetFaceNormal(BoxFace.Back) * extents.z);
default:
return(Vector3.zero);
}
}