def __mul__(self, other):
from core.bbox import BoundingBox
from maths.point3d import Point3d
if isinstance(other, Transform):
return Transform(self.mat * other.mat, other.mat_inv * self.mat_inv)
elif isinstance(other, BoundingBox):
ret = BoundingBox.create_from_point3d(Point3d(other.point_min.x, other.point_min.y, other.point_min.z)*self.mat)
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_max.x, other.point_min.y, other.point_min.z)*self.mat))
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_min.x, other.point_max.y, other.point_min.z)*self.mat))
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_min.x, other.point_min.y, other.point_max.z)*self.mat))
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_min.x, other.point_max.y, other.point_max.z)*self.mat))
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_max.x, other.point_max.y, other.point_min.z)*self.mat))
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_max.x, other.point_min.y, other.point_max.z)*self.mat))
ret = BoundingBox.get_union_bbox(ret, BoundingBox.create_from_point3d(Point3d(other.point_max.x, other.point_max.y, other.point_max.z)*self.mat))
return ret
# invert of matrix product is : (AxB)-1 = B-1 x A-1
# see: https://proofwiki.org/wiki/Inverse_of_Matrix_Product
raise NotImplemented
