Python rotation_about_z示例

示例#1

 def generate_rotation_matrix(self):
     phi = self.get_phi()
     theta = self.get_theta()
     gamma = self.get_gamma()
     matrices = [
         rotation_about_z(-theta - 90 * DEGREES),
         rotation_matrix(-phi, RIGHT),
         rotation_about_z(gamma),
     ]
     result = np.identity(3)
     for matrix in matrices:
         result = np.dot(matrix, result)
     return result

示例#2

文件： three_dimensions.py 项目： starizyj/manim

 def get_view_transformation_matrix(self):
     return (self.default_distance / self.get_distance()) * np.dot(
         rotation_matrix(self.get_phi(), LEFT),
         rotation_about_z(-self.get_theta() - np.pi / 2),
     )