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Handles.CapFunction

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public delegate CapFunction(controlID: int, position: Vector3, rotation: Quaternion, size: float, eventType: EventType): void;
public delegate void CapFunction(int controlID, Vector3 position, Quaternion rotation, float size, EventType eventType);

Parameters

controlIDThe control ID for the handle.
positionThe position of the handle in the space of Handles.matrix.
rotationThe rotation of the handle in the space of Handles.matrix.
sizeThe size of the handle in world-space units.
eventTypeEvent type for the handle to act upon. By design it handles EventType.Layout and EventType.Repaint events.

Description

The function to use for drawing the handle e.g. Handles.RectangleCap.

Custom CapFunction has two responsibilities:
1. For EventType.Layout event, call HandleUtility.AddControl to inform Unity about the distance of the handle from mouse position.
2. For EventType.Repaint event, render the actual handle.

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Copyright © 2018 Unity Technologies. Publication: 2018.1-002N. Built: 2018-12-04.
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