public BoundingVolumeHierarchy(IRayTraceable nodeA, IRayTraceable nodeB, int splitingPlane)
{
this.splitingPlane = splitingPlane;
this.nodeA = nodeA;
this.nodeB = nodeB;
this.Aabb = nodeA.GetAxisAlignedBoundingBox() + nodeB.GetAxisAlignedBoundingBox(); // we can cache this because it is not allowed to change.
}
public AxisAlignedBoundingBox GetAxisAlignedBoundingBox()
{
Vector3 localOrigin = Origin;
AxisAlignedBoundingBox localBounds = child.GetAxisAlignedBoundingBox();
AxisAlignedBoundingBox bounds = localBounds.NewTransformed(AxisToWorld);
return(bounds);
}
public override void OnMouseDown(MouseEventArgs mouseEvent)
{
base.OnMouseDown(mouseEvent);
lastMouseMovePoint.x = mouseEvent.X;
lastMouseMovePoint.y = mouseEvent.Y;
if (Focused && MouseCaptured)
{
if (trackBallController.CurrentTrackingType == TrackBallController.MouseDownType.None)
{
if (Focused && MouseCaptured && mouseEvent.Button == MouseButtons.Left)
{
trackBallController.OnMouseDown(lastMouseMovePoint, Matrix4X4.Identity);
}
else if (mouseEvent.Button == MouseButtons.Middle)
{
trackBallController.OnMouseDown(lastMouseMovePoint, Matrix4X4.Identity, TrackBallController.MouseDownType.Translation);
}
}
if (MouseCaptured)
{
lastMouseMovePoint.x = mouseEvent.X;
lastMouseMovePoint.y = mouseEvent.Y;
cameraDataAtStartOfMouseTracking = cameraData;
cameraDataAtStartOfMouseTracking.cameraMatrix = scene.camera.axisToWorld;
Ray rayAtPoint = scene.camera.GetRay(lastMouseMovePoint.x, lastMouseMovePoint.y);
IntersectInfo info = raytracer.TracePrimaryRay(rayAtPoint, scene);
if (info != null)
{
focusedObject = (BaseShape)info.closestHitObject;
if (focusedObject != null && mouseEvent.Clicks == 2)
{
cameraData.lookAtPoint = focusedObject.GetAxisAlignedBoundingBox().Center;
OrientCamera();
}
}
}
}
}
public AxisAlignedBoundingBox GetAxisAlignedBoundingBox()
{
return(primary.GetAxisAlignedBoundingBox());
}
