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| id | (optional) override the default ControlID for this Slider2D instance. |
| handlePos | The position of the current point. |
| offset | (optional) renders the Slider2D at handlePos, but treats the Slider2D's origin as handlePos + offset. Useful for Slider2D instances that are placed/rendered relative to another object or handle. |
| handleDir | The direction of the handle, only used for rendering of the handle. |
| slideDir1 | The first direction of the sliding. |
| slideDir2 | The second direction of the sliding. |
| handleSize | The size of the handle. |
| drawFunc | The function to call for doing the actual drawing - by default, it's Handles.ArrowCap, but any function that has the same signature can be used. |
| snap | (float or Vector2) set the snap increment (Pass a Vector2 to use separate snap increments in each dimension). |
| drawHelper | (default: false) render a rectangle around the handle when dragging. |
Vector3 The new handle position
Note: Use HandleUtility.GetHandleSize where you might want to have constant screen-sized handles.
Slide a handle in a 2D plane.
This will draw a draggable handle on the screen. The handle is constrained to sliding on a plane.