#import <SelectionLayer.h>

Inheritance diagram for WGSelectionLayer:

Public Member Functions
(id)	- initWithGlobeView:renderer:
	Construct with a globe view. Need that for screen space calculations.
(void)	- startWithThread:scene:
	Called in the layer thread.
(void)	- addSelectableRect:rect:
	Add a rectangle (in 3-space) always available for selection.
(void)	- addSelectableRect:rect:minVis:maxVis:
	Add a rectangle (in 3-space) for selection, but only between the given visibilities.
(void)	- removeSelectable:
	Remove the given selectable from consideration.
(WhirlyGlobe::SimpleIdentity)	- pickObject:maxDist:
	Pass in the screen point where the user touched. This returns the closest hit within the given distance.
Protected Attributes
WhirlyGlobeView *	globeView
	The globe view controls how the globe is displayed.
SceneRendererES1 *	renderer
	The renderer has screen size information.
WhirlyGlobeLayerThread *	layerThread
	Layer thread we're associated with.
WhirlyGlobe::RectSelectableSet	selectables
	The selectable objects themselves.

Detailed Description

The selection layer tracks a variable number of objects that might be selectable. These consist of a shape and an ID. Other layers (or the caller) can register objects with the selection layer. These objects will be considered for selection when the caller uses pickObject.

All objects are currently being projected to the 2D screen and evaluated for distance there.

The documentation for this class was generated from the following file:

/Users/sjg/iPhone/WhirlyGlobe/WhirlyGlobeSrc/WhirlyGlobeLib/include/SelectionLayer.h

Public Member Functions

Protected Attributes

Detailed Description