private void MouseControlOverObjects()
{
#region If over a window, exit out
Cursor cursor = GuiManager.Cursor;
if (cursor.WindowOver != null)
{
return;
}
#endregion
// See if the mouse is over anything
PositionedObject objectOver = GetObjectOver();
#region Cursor Push
if (GuiManager.Cursor.PrimaryPush)
{
mObjectGrabbed = objectOver;
if (mObjectGrabbed != null)
{
PositionedObjectMover.SetStartPosition(mObjectGrabbed);
}
if (mObjectGrabbed == null)
{
SelectObject <Sprite>(null, mCurrentSprites);
SelectObject <Text>(null, mCurrentTexts);
}
else if (SpriteGrabbed != null)
{
SelectObject(SpriteGrabbed, mCurrentSprites);
}
else if (SpriteFrameGrabbed != null)
{
SelectObject(SpriteFrameGrabbed, mCurrentSpriteFrames);
}
else if (PositionedModelGrabbed != null)
{
SelectObject(PositionedModelGrabbed, mCurrentPositionedModels);
}
else if (TextGrabbed != null)
{
SelectObject(TextGrabbed, mCurrentTexts);
}
}
#endregion
#region Cursor Down (Drag)
if (cursor.PrimaryDown)
{
PerformDraggingObjectControl();
}
#endregion
#region Cursor Click
if (cursor.PrimaryClick)
{
cursor.StaticPosition = false;
}
#endregion
}
/// <summary>
/// Controls selecting new Shapes and performing move, scale, and rotate (when appropriate).
/// </summary>
#endregion
private void CursorControlOverShapes()
{
if (GuiManager.DominantWindowActive)
{
return;
}
Cursor cursor = GuiManager.Cursor;
#region Pushing selects and grabs a Shape or the corner of a Polygon
if (cursor.PrimaryPush)
{
#region If the user has not interacted with the corners then see check for grabbing any Shapes
if (mReactiveHud.HasPolygonEdgeGrabbed == false)
{
mObjectGrabbed = GetShapeOver(cursor.PrimaryDoublePush);
ShowErrorIfObjectCanNotBeGrabbed();
// If the object is not null store its original position. This will be used
// for SHIFT+drag which allows movement only on one axis.
if (mObjectGrabbed != null)
{
PositionedObjectMover.SetStartPosition(mObjectGrabbed);
}
cursor.SetObjectRelativePosition(mObjectGrabbed);
if (PolygonGrabbed != null)
{
UndoManager.AddToWatch(PolygonGrabbed);
SelectPolygon(PolygonGrabbed);
}
if (AxisAlignedCubeGrabbed != null)
{
UndoManager.AddToWatch(AxisAlignedCubeGrabbed);
SelectAxisAlignedCube(AxisAlignedCubeGrabbed);
}
if (AxisAlignedRectangleGrabbed != null)
{
UndoManager.AddToWatch(AxisAlignedRectangleGrabbed);
SelectAxisAlignedRectangle(AxisAlignedRectangleGrabbed);
}
if (CircleGrabbed != null)
{
UndoManager.AddToWatch(CircleGrabbed);
SelectCircle(CircleGrabbed);
}
if (SphereGrabbed != null)
{
UndoManager.AddToWatch(SphereGrabbed);
SelectSphere(SphereGrabbed);
}
if (mObjectGrabbed == null)
{
DeselectAll();
}
}
#endregion
}
#endregion
#region Holding the button down can be used to drag objects
if (cursor.PrimaryDown)
{
PerformDraggingUpdate();
}
#endregion
#region Clicking (releasing) the mouse lets go of grabbed Polygons
if (cursor.PrimaryClick)
{
if (PolygonGrabbed != null)
{
UndoManager.RecordUndos <Polygon>();
UndoManager.ClearObjectsWatching <Polygon>();
}
if (AxisAlignedRectangleGrabbed != null)
{
UndoManager.RecordUndos <AxisAlignedRectangle>();
UndoManager.ClearObjectsWatching <AxisAlignedRectangle>();
}
if (AxisAlignedCubeGrabbed != null)
{
UndoManager.RecordUndos <AxisAlignedCube>();
UndoManager.ClearObjectsWatching <AxisAlignedCube>();
}
if (CircleGrabbed != null)
{
UndoManager.RecordUndos <Circle>();
UndoManager.ClearObjectsWatching <Circle>();
}
if (SphereGrabbed != null)
{
UndoManager.RecordUndos <Sphere>();
UndoManager.ClearObjectsWatching <Sphere>();
}
mObjectGrabbed = null;
cursor.StaticPosition = false;
cursor.ObjectGrabbed = null;
}
#endregion
}