public Tree(TreeGroup group, SpeedTreeWrapper speedTree, Vector3 location)
{
this.group = group;
this.location = location;
this.speedTree = speedTree;
billboard0 = new float[20];
billboard1 = new float[20];
// set location for the instance
speedTree.TreePosition = SpeedTreeUtil.ToSpeedTree(location);
// set bounding box
AxisAlignedBox stbox = SpeedTreeUtil.FromSpeedTree(speedTree.BoundingBox);
this.bounds = new AxisAlignedBox(stbox.Minimum + location, stbox.Maximum + location);
}
public void PerFrameProcessing(float time, Camera camera)
{
Debug.Assert(inBoundary);
bool updateVisibility = false;
if (pendingTreeTypes != null)
{
ProcessTreeTypes();
TerrainManager.Instance.RecreateCollisionTiles();
updateVisibility = true;
}
SpeedTreeWrapper.Time = time;
if (bounds != null && camera.IsObjectVisible(bounds))
{ // this stuff only needs to be done if the forest is visible
// process wind
speedWind.Advance(time, windStrength, SpeedTreeUtil.ToSpeedTree(windDirection));
// determine whether the camera changed direction or location since the last frame
if (camera.Direction != lastCameraDirection || camera.Position != lastCameraLocation)
{
updateVisibility = true;
lastCameraLocation = camera.Position;
lastCameraDirection = camera.Direction;
}
// if the camera changed position or direction, or new trees were added, then recompute the visibility of this tree
if (updateVisibility)
{
foreach (TreeGroup group in groups)
{
group.CameraChange(camera);
}
}
foreach (TreeGroup group in groups)
{
group.UpdateMaterials();
}
}
}
