protected override void _Update()
{
foreach (var ent in Game.EntityManager.Entities)
{
if (ent.EntityGameObject == null ||
ent.InterpolationMode == InterpolationMode.None)
{
continue;
}
switch (ent.InterpolationMode)
{
case InterpolationMode.Frame:
var lerped = EntityFrame.Interpolate(_frameStates[ent].From, _frameStates[ent].To, (float)Game.Alpha);
ent.EntityGameObject.Position = lerped.Position;
ent.EntityGameObject.Rotation = lerped.Angles;
break;
case InterpolationMode.Snap:
ent.EntityGameObject.Position = ent.Origin;
ent.EntityGameObject.Rotation = ent.Angles;
break;
}
}
}
public static EntityFrame Interpolate(EntityFrame from, EntityFrame to, float alpha)
{
var result = new EntityFrame()
{
Position = Vector3.Lerp(from.Position, to.Position, alpha),
Angles = Quaternion.Slerp(Quaternion.Euler(from.Angles), Quaternion.Euler(to.Angles), alpha).eulerAngles
};
return(result);
}
protected override void _Tick()
{
foreach (var ent in Game.EntityManager.Entities)
{
if (ent.EntityGameObject &&
ent.InterpolationMode == InterpolationMode.Frame)
{
var newFromFrame = _frameStates[ent].To;
var newToFrame = new EntityFrame(ent);
_frameStates[ent] = new FrameStates()
{
From = newFromFrame,
To = newToFrame
};
}
}
}