public Box GetEncapsulatingBox()
{
List <Vector3> points = GetPoints();
Vector3 minPoint, maxPoint;
Vector3Extensions.GetMinMaxPoints(points, out minPoint, out maxPoint);
return(new Box((minPoint + maxPoint) * 0.5f, maxPoint - minPoint));
}
public Vector3 GetCellCornerPointClosestToMouseCursor()
{
Ray ray = EditorCamera.Instance.Camera.ScreenPointToRay(Input.mousePosition);
float t;
if (Plane.Raycast(ray, out t))
{
Vector3 pickPoint = ray.GetPoint(t);
List <Vector3> cellCornerPoints = GetCellCornerPoints(GetCellFromWorldXZ(pickPoint.x, pickPoint.z));
return(Vector3Extensions.GetPointClosestToPoint(cellCornerPoints, pickPoint));
}
return(Vector3.zero);
}
public Vector3 GetCellCornerPointClosestToInputDevPos()
{
Ray ray;
if (!InputDevice.Instance.GetPickRay(EditorCamera.Instance.Camera, out ray))
{
return(Vector3.zero);
}
float t;
if (Plane.Raycast(ray, out t))
{
Vector3 pickPoint = ray.GetPoint(t);
List <Vector3> cellCornerPoints = GetCellCornerPoints(GetCellFromWorldXZ(pickPoint.x, pickPoint.z));
return(Vector3Extensions.GetPointClosestToPoint(cellCornerPoints, pickPoint));
}
return(Vector3.zero);
}
private Plane CalculateDragPlane()
{
if (_targetOOBB == null)
{
return(new Plane());
}
Matrix4x4 oobbTransform = _targetOOBB.TransformMatrix;
Vector3 pointOnDragPlane = _targetOOBB.Center;
Camera camera = EditorCamera.Instance.Camera;
Vector3 dragPlaneNormal = Vector3.zero;
if (_dragStartData.DragHandleFace == BoxFace.Front || _dragStartData.DragHandleFace == BoxFace.Back)
{
var candidateNormals = new List <Vector3> {
oobbTransform.GetAxis(1)
};
dragPlaneNormal = Vector3Extensions.GetMostAlignedVector(candidateNormals, camera.transform.forward);
}
else
if (_dragStartData.DragHandleFace == BoxFace.Left || _dragStartData.DragHandleFace == BoxFace.Right)
{
var candidateNormals = new List <Vector3> {
oobbTransform.GetAxis(1)
};
dragPlaneNormal = Vector3Extensions.GetMostAlignedVector(candidateNormals, camera.transform.forward);
}
else
{
var candidateNormals = new List <Vector3> {
oobbTransform.GetAxis(2), oobbTransform.GetAxis(0)
};
dragPlaneNormal = Vector3Extensions.GetMostAlignedVector(candidateNormals, camera.transform.forward);
}
return(new Plane(dragPlaneNormal, pointOnDragPlane));
}
public List <Vector3> GetBoxFaceCornerPoints(BoxFace boxFace)
{
List <Vector3> modelSpacePoints = _modelSpaceBox.GetBoxFaceCornerPoints(boxFace);
return(Vector3Extensions.GetTransformedPoints(modelSpacePoints, TransformMatrix));
}
public List <Vector3> GetCornerPoints()
{
List <Vector3> points = _modelSpaceBox.GetCornerPoints();
return(Vector3Extensions.GetTransformedPoints(points, TransformMatrix));
}
public Vector3 GetPointClosestToPoint(Vector3 point)
{
return(Vector3Extensions.GetPointClosestToPoint(GetPoints(), point));
}
