Package org.ngengine.picker

Interface CameraPickerBehavior

All Known Implementing Classes:

CloserVisibleCameraPickerBehavior

public interface CameraPickerBehavior

Defines how the picking is done.

Method Summary

Modifier and Type	Method	Description
CollisionResult	select(Collidable rootNode, Camera cam, CollisionResults results)	Selects one of the collision results.
Ray	tweakRay(Collidable rootNode, Camera cam, Ray ray)	Tweaks the ray before it is used for picking.

Method Details

select

@Nullable
CollisionResult select(Collidable rootNode,
 Camera cam,
 CollisionResults results)

Selects one of the collision results.

Parameters:

rootNode - the root node that was picked against

cam - the camera that was used for picking

results - the collision results

Returns:

the selected collision result, or null if none is suitable

tweakRay

Ray tweakRay(Collidable rootNode,
 Camera cam,
 Ray ray)

Tweaks the ray before it is used for picking.

Parameters:

rootNode - the root node that will be picked against

cam - the camera that is used for picking

ray - the ray to tweak

Returns:

the tweaked ray (usually the same instance as the input ray)