/// <summary>
///
/// </summary>
/// <param name="group"></param>
/// <param name="entity"></param>
protected ImpostorBatch(ImpostorPage group, Entity entity)
{
//Render impostor texture for this entity
mTex = ImpostorTexture.GetTexture(group, entity);
//Create billboard set
mBBSet = new StaticBillboardSet(group.SceneManager, group.PagedGeometry.SceneNode);
mBBSet.SetTextureStacksAndSlices(ImpostorTexture.ImpostorPitchAngles, ImpostorTexture.ImpostorYawAngles);
BillboardOrigin = ImpostorPage.ImpostorPivot;
//Default the angle to 0 degrees
mPitchIndex = -1;
mYawIndex = -1;
SetAngle(0.0f, 0.0f);
}
/// <summary>
///
/// </summary>
/// <param name="group"></param>
/// <param name="entity"></param>
protected ImpostorBatch(ImpostorPage group, Entity entity)
{
//Render impostor texture for this entity
mTex = ImpostorTexture.GetTexture(group, entity);
//Create billboard set
mBBSet = new StaticBillboardSet(group.SceneManager, group.PagedGeometry.SceneNode);
mBBSet.SetTextureStacksAndSlices(ImpostorTexture.ImpostorPitchAngles, ImpostorTexture.ImpostorYawAngles);
BillboardOrigin = ImpostorPage.ImpostorPivot;
//Default the angle to 0 degrees
mPitchIndex = -1;
mYawIndex = -1;
SetAngle(0.0f, 0.0f);
}
/// <summary>
///
/// </summary>
public void Update()
{
//If no camera has been set, then return without doing anything
if (mSceneCam == null)
{
return;
}
//Calculate time since last update
long deltaTime = 0, tmp = 0;
tmp = mTimer.Milliseconds;
deltaTime = tmp - mLastTime;
mLastTime = tmp;
//Get camera position and speed
Vector3 camPos = ConvertToLocal(mSceneCam.DerivedPosition);
Vector3 camSpeed = Vector3.Zero;
if (deltaTime == 0)
{
camSpeed = new Vector3(0, 0, 0);
}
else
{
camSpeed = (camPos - mOldCamPos) / deltaTime;
}
mOldCamPos = camPos;
if (mPageLoader != null)
{
//Update the PageLoader
mPageLoader.FrameUpdate();
//Update all the page managers
bool enableCache = true;
GeometryPageManager prevMgr = null;
foreach (GeometryPageManager it in mMangerList)
{
GeometryPageManager mgr = it;
mgr.Update(deltaTime, camPos, camSpeed, enableCache, prevMgr);
prevMgr = mgr;
}
}
//Update misc. subsystems
StaticBillboardSet.UpdateAll(ConvertToLocal(Camera.DerivedDirection));
}
