/**
* Causes the SurfaceObject to draw itself in a unique pick color, and add itself as a pickable object to the
* specified pickSupport.
*
* @param dc the current DrawContext.
* @param pickSupport the PickSupport to add the SurfaceObject to.
*/
protected void pickOrderedRenderable(DrawContext dc, PickSupport pickSupport)
{
// Register a unique pick color with the PickSupport. We define the pickable object to be the caller specified
// delegate owner, or this object if the delegate owner is null. We define the picked position to be the
// terrain's picked position to maintain backwards compatibility with previous implementations of SurfaceObject.
Color pickColor = dc.getUniquePickColor();
pickSupport.addPickableObject(this.createPickedObject(dc, pickColor));
// Draw an individual representation of this object in a unique pick color. This representation is created
// during the preRender pass in makeOrderedPreRenderable().
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
gl.glColor3ub((byte)pickColor.getRed(), (byte)pickColor.getGreen(), (byte)pickColor.getBlue());
this.drawPickRepresentation(dc);
}
/**
* Causes adjacent SurfaceObjects in the DrawContext's ordered surface renderable list to draw themselves in in a
* unique pick color, and adds themselves as pickable objects to the specified pickSupport. Adjacent SurfaceObjects
* are removed from the DrawContext's list and processed until one is encountered that has a different containing
* layer or is not enabled for batch picking.
*
* @param dc the current DrawContext.
* @param pickSupport the PickSupport to add the SurfaceObject to.
*/
protected void pickBatched(DrawContext dc, PickSupport pickSupport)
{
// Draw as many as we can in a batch to save pick resolution.
Object nextItem = dc.getOrderedSurfaceRenderables().peek();
while (nextItem != null && nextItem is AbstractSurfaceObject)
{
AbstractSurfaceObject so = (AbstractSurfaceObject)nextItem;
// Batch pick only within a single layer, and for objects which are enabled for batch picking.
if (so.pickLayer != this.pickLayer || !so.isEnableBatchPicking())
{
break;
}
dc.getOrderedSurfaceRenderables().poll(); // take it off the queue
so.pickOrderedRenderable(dc, pickSupport);
nextItem = dc.getOrderedSurfaceRenderables().peek();
}
}
public void setPickSupport(PickSupport pickSupport)
{
this.pickSupport = pickSupport;
}
