public UWB_BoundingBox GetBounds(ref UWB_DrawHelper helper, bool bDraw)
{
UWB_BoundingBox box = new UWB_BoundingBox();
box.makeInvalid();
if (mPrimitive != null)
{
box.add(mPrimitive.getBoundingVolume(eLevelofDetail.lodLow));
}
helper.pushModelTransform();
{
mXFormInfo.setupModelStack(helper);
//Draw the box for debugging
if (bDraw)
{
box.Draw(ref helper);
}
Vector3 minPt = box.getMin();
Vector3 maxPt = box.getMax();
Vector3 pt1 = new Vector3(minPt.X, minPt.Y, minPt.Z);
Vector3 pt2 = new Vector3(maxPt.X, minPt.Y, minPt.Z);
Vector3 pt3 = new Vector3(maxPt.X, maxPt.Y, minPt.Z);
Vector3 pt4 = new Vector3(minPt.X, maxPt.Y, minPt.Z);
Vector3 pt5 = new Vector3(minPt.X, minPt.Y, maxPt.Z);
Vector3 pt6 = new Vector3(maxPt.X, minPt.Y, maxPt.Z);
Vector3 pt7 = new Vector3(maxPt.X, maxPt.Y, maxPt.Z);
Vector3 pt8 = new Vector3(minPt.X, maxPt.Y, maxPt.Z);
helper.transformPoint(ref pt1);
helper.transformPoint(ref pt2);
helper.transformPoint(ref pt3);
helper.transformPoint(ref pt4);
helper.transformPoint(ref pt5);
helper.transformPoint(ref pt6);
helper.transformPoint(ref pt7);
helper.transformPoint(ref pt8);
box.makeInvalid();
box.add(new UWB_BoundingBox(pt1, pt2));
box.add(new UWB_BoundingBox(pt3, pt4));
box.add(new UWB_BoundingBox(pt5, pt6));
box.add(new UWB_BoundingBox(pt7, pt8));
int count = mChildNodes.count();
for (int i = 0; i < count; i++)
{
box.add(mChildNodes.getItem(i).GetBounds(ref helper, bDraw));
}
}
helper.popModelTransform();
return(box);
}
protected bool GetNodeBoundsHelper(ref UWB_SceneNode pSearchNode,
ref UWB_BoundingBox box,
ref UWB_DrawHelper helper, int level, bool bDraw)
{
bool found = false;
if (Object.ReferenceEquals(this, pSearchNode))
{
box = this.GetBounds(ref helper, bDraw);
found = true;
}
else
{
helper.pushModelTransform();
{
level++;
this.getXFormInfo().setupModelStack(helper);
int count = this.numChildren();
for (int i = 0; i < count; i++)
{
UWB_SceneNode pChildNode = this.getChildNode(i);
if (pChildNode.GetNodeBoundsHelper(ref pSearchNode, ref box, ref helper, level, bDraw))
{
found = true;
break;
}
}
level--;
}
helper.popModelTransform();
}
if (0 == level && found && bDraw)
{
helper.resetAttributes();
helper.setColor1(new Color(0, 0, 255));
helper.setShadeMode(eShadeMode.smFlat);
helper.setFillMode(eFillMode.fmWireframe);
box.Draw(ref helper);
}
return(found);
}
public UWB_BoundingBox GetBounds(ref UWB_DrawHelper helper, bool bDraw)
{
UWB_BoundingBox box = new UWB_BoundingBox();
box.makeInvalid();
if (mPrimitive != null)
box.add(mPrimitive.getBoundingVolume(eLevelofDetail.lodLow));
helper.pushModelTransform();
{
mXFormInfo.setupModelStack(helper);
//Draw the box for debugging
if (bDraw)
box.Draw(ref helper);
Vector3 minPt = box.getMin();
Vector3 maxPt = box.getMax();
Vector3 pt1 = new Vector3(minPt.X, minPt.Y, minPt.Z);
Vector3 pt2 = new Vector3(maxPt.X, minPt.Y, minPt.Z);
Vector3 pt3 = new Vector3(maxPt.X, maxPt.Y, minPt.Z);
Vector3 pt4 = new Vector3(minPt.X, maxPt.Y, minPt.Z);
Vector3 pt5 = new Vector3(minPt.X, minPt.Y, maxPt.Z);
Vector3 pt6 = new Vector3(maxPt.X, minPt.Y, maxPt.Z);
Vector3 pt7 = new Vector3(maxPt.X, maxPt.Y, maxPt.Z);
Vector3 pt8 = new Vector3(minPt.X, maxPt.Y, maxPt.Z);
helper.transformPoint(ref pt1);
helper.transformPoint(ref pt2);
helper.transformPoint(ref pt3);
helper.transformPoint(ref pt4);
helper.transformPoint(ref pt5);
helper.transformPoint(ref pt6);
helper.transformPoint(ref pt7);
helper.transformPoint(ref pt8);
box.makeInvalid();
box.add(new UWB_BoundingBox(pt1, pt2));
box.add(new UWB_BoundingBox(pt3, pt4));
box.add(new UWB_BoundingBox(pt5, pt6));
box.add(new UWB_BoundingBox(pt7, pt8));
int count = mChildNodes.count();
for (int i = 0; i < count; i++)
box.add(mChildNodes.getItem(i).GetBounds(ref helper, bDraw));
}
helper.popModelTransform();
return box;
}
protected bool GetNodeBoundsHelper(ref UWB_SceneNode pSearchNode,
ref UWB_BoundingBox box,
ref UWB_DrawHelper helper, int level, bool bDraw)
{
bool found = false;
if( Object.ReferenceEquals(this, pSearchNode))
{
box = this.GetBounds( ref helper, bDraw );
found = true;
}
else
{
helper.pushModelTransform();
{
level++;
this.getXFormInfo().setupModelStack(helper);
int count = this.numChildren();
for(int i=0; i<count; i++)
{
UWB_SceneNode pChildNode = this.getChildNode( i );
if( pChildNode.GetNodeBoundsHelper( ref pSearchNode, ref box, ref helper, level, bDraw ) )
{
found = true;
break;
}
}
level--;
}
helper.popModelTransform();
}
if (0 == level && found && bDraw)
{
helper.resetAttributes();
helper.setColor1(new Color(0,0,255));
helper.setShadeMode(eShadeMode.smFlat);
helper.setFillMode(eFillMode.fmWireframe);
box.Draw(ref helper);
}
return found;
}
