/** {@inheritDoc} */
public void preRender(ColladaTraversalContext tc, DrawContext dc)
{
List <ColladaRenderable> children = this.getChildren();
if (WWUtil.isEmpty(children))
{
return;
}
Matrix matrix = this.getMatrix();
try
{
if (matrix != null && matrix != Matrix.IDENTITY)
{
tc.pushMatrix();
tc.multiplyMatrix(matrix);
}
foreach (ColladaRenderable node in children)
{
node.preRender(tc, dc);
}
}
finally
{
if (matrix != null && matrix != Matrix.IDENTITY)
{
tc.popMatrix();
}
}
}
public Box getLocalExtent(ColladaTraversalContext tc)
{
if (tc == null)
{
String msg = Logging.getMessage("nullValue.TraversalContextIsNull");
Logging.logger().severe(msg);
throw new ArgumentException(msg);
}
// Create shapes for this node, if necessary
if (this.shapes == null)
{
this.shapes = this.createShapes();
}
if (this.getMatrix() != null)
{
tc.pushMatrix();
tc.multiplyMatrix(this.getMatrix());
}
ArrayList <Box> extents = new ArrayList <Box>();
foreach (ColladaMeshShape shape in this.shapes)
{
Box extent = shape.getLocalExtent(tc);
if (extent != null)
{
extents.add(extent);
}
}
if (this.children != null)
{
foreach (ColladaRenderable node in children)
{
Box extent = node.getLocalExtent(tc);
if (extent != null)
{
extents.add(extent);
}
}
}
if (this.getMatrix() != null)
{
tc.popMatrix();
}
if (extents.isEmpty())
{
return(null);
}
return(Box.union(extents));
}
/** {@inheritDoc} */
public void render(ColladaTraversalContext tc, DrawContext dc)
{
// Create shapes for this node, if necessary
if (this.shapes == null)
{
this.shapes = this.createShapes();
}
Matrix matrix = this.getMatrix();
try
{
if (matrix != null && matrix != Matrix.IDENTITY)
{
tc.pushMatrix();
tc.multiplyMatrix(matrix);
}
ColladaRoot root = this.getRoot();
// Apply the current root position and highlight state to shapes in this node. Do this every frame so that
// the node will pickup changes in the root's state.
bool highlighted = root.isHighlighted();
int altitudeMode = root.getAltitudeMode();
Position position = root.getPosition();
Matrix traversalMatrix = tc.peekMatrix();
foreach (ColladaMeshShape shape in this.shapes)
{
shape.setModelPosition(position);
shape.setAltitudeMode(altitudeMode);
shape.setHighlighted(highlighted);
shape.render(dc, traversalMatrix);
}
foreach (ColladaRenderable node in this.getChildren())
{
node.render(tc, dc);
}
}
finally
{
if (matrix != null && matrix != Matrix.IDENTITY)
{
tc.popMatrix();
}
}
}