/// <summary>
/// input objectF is in Object (local) coords of so, apply all intermediate
/// transforms to get it to Scene coords
/// </summary>
public static Frame3f ObjectToScene(TransformableSO so, Frame3f objectF)
{
Frame3f sceneF = objectF;
TransformableSO curSO = so;
while (curSO != null)
{
Frame3f curF = curSO.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale = curSO.GetLocalScale();
Util.gDevAssert(IsUniformScale(scale));
sceneF.Scale(scale);
sceneF = curF.FromFrame(sceneF);
SOParent parent = curSO.Parent;
if (parent is FScene)
{
return(sceneF);
}
curSO = (parent as TransformableSO);
}
if (curSO == null)
{
DebugUtil.Error("SceneTransforms.TransformTo: found null parent SO!");
}
return(sceneF);
}
public TransformGizmoChange change; // [TODO] shouldn't be using gizmo change for this?
public GrabInfo(Cockpit cockpit, TransformableSO so, Frame3f handF)
{
this.cockpit = cockpit;
this.so = so;
this.startHandF = handF;
this.startObjFW = so.GetLocalFrame(CoordSpace.WorldCoords);
this.startObjRelF = this.startHandF.ToFrame(this.startObjFW);
this.stickDelta = Vector2f.Zero;
change = new TransformGizmoChange()
{
parentSO = new WeakReference(so),
parentBefore = so.GetLocalFrame(CoordSpace.SceneCoords),
parentScaleBefore = so.GetLocalScale()
};
}
/// <summary>
/// input dimension is in Object (local) coords of so, apply all intermediate
/// transform scaling to get it to Scene coords
/// </summary>
public static float ObjectToScene(TransformableSO so, float objectDim)
{
float sceneDim = objectDim;
TransformableSO curSO = so;
while (curSO != null)
{
Vector3f scale = curSO.GetLocalScale();
Util.gDevAssert(IsUniformScale(scale));
sceneDim *= ((scale.x + scale.y + scale.z) / 3.0f); // yikes!
SOParent parent = curSO.Parent;
if (parent is FScene)
{
return(sceneDim);
}
curSO = (parent as TransformableSO);
}
if (curSO == null)
{
DebugUtil.Error("SceneTransforms.TransformTo: found null parent SO!");
}
return(sceneDim);
}