rotate method

rotate

Applies a clockwise rotation about the origin to the current transformation matrix.

def rotate(self, theta):
    ...

Parameter	Type	Description
theta	float	The angle of the rotation, in radians.

Rotate the current transformation matrix around a point.

def rotate(self, theta, x, y):
    ...

Parameter	Type	Description
theta	float	An angle of rotation in radians.
x	float	X coordinate of point.
y	float	Y coordinate of point.