Palette:arcBallCamera Ext
These Extensions reference a specific Palette:arcBallCamera.
ArcBallExt
The ArcBallExt Class helps with interactively controlling a Camera COMP given a Container COMP with the Mouse UV Buttons Parameters for left, middle and right enabled.
Members
No operator specific members.
Methods
ArcBallExt.LoadTransform(dat=None, matrix=None)→ None:
Given a tableDAT or a tdu.Matrix() it can be used to recall a saved transformation.
- dat - An tableDAT operator reference to the tableDAT that holds the matrix to be loaded.
- matrix - A tdu.Matrix object that holds the matrix to be loaded.
ArcBallExt.Reset()→ None:
Resets the ArcBall.
ArcBallExt.SaveTransform(dat=)→ None:
Will save out the current ArcBall's transformation matrix to a tableDAT. If no TableDAT is given, the internal newMat TableDAT is being used.
- dat - A tableDAT operator reference to the tableDAT where to write the current transform matrix into.
ArcBallExt.StartTransform(btn=None, u=0, v=0)→ None:
Will begin a transform depending on the mouse button pressed.
- btn - The mouse btn pressed. Can be one of 'lselect', 'rselect' or 'mselect' corrseponding to 'rotate', 'pan' and 'zoom'.
- u - The horizontal mouse position on the control panel.
- v - The vertical mouse position on the control panel.
ArcBallExt.Transform(btn=None, u=0, v=0, scaler=1)→ None:
Applies a transform to the ArcBall depending on the mouse button pressed.
- btn - The mouse btn pressed. Can be one of 'lselect', 'rselect' or 'mselect' corrseponding to 'rotate', 'pan' and 'zoom'.
- u - The horizontal mouse position on the control panel.
- v - The vertical mouse position on the control panel.
- scaler - A multiplier to increase or decrease the transformation.
ArcBallExt.fillMat(self)→ None:
Utility function used by the ArcBall.
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