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Check case of scale = 0 in get_view_matrix

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Grant Sanderson 2023-01-31 15:37:03 -08:00
parent f42b3bfa3e
commit 3b0c958189
1 changed files with 5 additions and 3 deletions
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8
manimlib/camera/camera_frame.py
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@ -92,13 +92,15 @@ class CameraFrame(Mobject):
if refresh:
shift = np.identity(4)
rotation = np.identity(4)
scale = np.identity(4)
scale_mat = np.identity(4)
shift[:3, 3] = -self.get_center()
rotation[:3, :3] = self.get_inverse_camera_rotation_matrix()
scale[:3, :3] /= self.get_scale()
scale = self.get_scale()
if scale > 0:
scale_mat[:3, :3] /= self.get_scale()
self.view_matrix = np.dot(scale, np.dot(rotation, shift))
self.view_matrix = np.dot(scale_mat, np.dot(rotation, shift))
return self.view_matrix