public override void doPress(MEvent eventArg)
{
base.doPress(eventArg);
// If we are not in selecting mode (i.e. an object has been selected)
// then set up for the translation.
if (!_isSelecting())
{
eventArg.getPosition(ref startPos_x, ref startPos_y);
view = M3dView.active3dView;
MDagPath camera = view.Camera;
MFnCamera fnCamera = new MFnCamera(camera);
MVector upDir = fnCamera.upDirection(MSpace.Space.kWorld);
MVector rightDir = fnCamera.rightDirection(MSpace.Space.kWorld);
// Determine the camera used in the current view
if (fnCamera.isOrtho)
{
if (upDir.isEquivalent(MVector.zNegAxis, 1e-3))
{
currWin = 0; // TOP
}
else if (rightDir.isEquivalent(MVector.xAxis, 1e-3))
{
currWin = 1; // FRONT
}
else
{
currWin = 2; // SIDE
}
}
else
{
currWin = 3; // PERSP
MGlobal.displayWarning("moveTool only works in top, front and side views");
}
// Create an instance of the move tool command.
cmd = _newToolCommand() as moveCmd;
cmd.setVector(0.0, 0.0, 0.0);
}
}
public override void doPress(MEvent eventArg)
{
base.doPress (eventArg) ;
// If we are not in selecting mode (i.e. an object has been selected)
// then set up for the translation.
if ( !_isSelecting () ) {
eventArg.getPosition (ref startPos_x, ref startPos_y) ;
view = M3dView.active3dView;
MDagPath camera = view.Camera ;
MFnCamera fnCamera =new MFnCamera (camera) ;
MVector upDir =fnCamera.upDirection (MSpace.Space.kWorld) ;
MVector rightDir =fnCamera.rightDirection (MSpace.Space.kWorld) ;
// Determine the camera used in the current view
if ( fnCamera.isOrtho ) {
if ( upDir.isEquivalent (MVector.zNegAxis, 1e-3) )
currWin =0 ; // TOP
else if ( rightDir.isEquivalent (MVector.xAxis, 1e-3) )
currWin =1 ; // FRONT
else
currWin =2 ; // SIDE
} else {
currWin =3 ; // PERSP
MGlobal.displayWarning ("moveTool only works in top, front and side views") ;
}
// Create an instance of the move tool command.
cmd = _newToolCommand () as moveCmd;
cmd.setVector (0.0, 0.0, 0.0) ;
}
}
public override void doDrag(MEvent eventArg)
{
base.doDrag(eventArg);
// If we are not in selecting mode (i.e. an object has been selected)
// then do the translation.
if (!_isSelecting())
{
eventArg.getPosition(ref endPos_x, ref endPos_y);
MPoint endW = new MPoint();
MPoint startW = new MPoint();
MVector vec = new MVector();
view.viewToWorld(startPos_x, startPos_y, startW, vec);
view.viewToWorld(endPos_x, endPos_y, endW, vec);
downButton = eventArg.mouseButton;
// We reset the the move vector each time a drag event occurs
// and then recalculate it based on the start position.
cmd.undoIt();
switch (currWin)
{
case 0: // TOP
switch (downButton)
{
case MEvent.MouseButtonType.kMiddleMouse:
cmd.setVector(endW.x - startW.x, 0.0, 0.0);
break;
case MEvent.MouseButtonType.kLeftMouse:
default:
cmd.setVector(endW.x - startW.x, 0.0, endW.z - startW.z);
break;
}
break;
case 1: // FRONT
switch (downButton)
{
case MEvent.MouseButtonType.kMiddleMouse:
cmd.setVector(endW.x - startW.x, 0.0, 0.0);
break;
case MEvent.MouseButtonType.kLeftMouse:
default:
cmd.setVector(endW.x - startW.x, endW.y - startW.y, 0.0);
break;
}
break;
case 2: //SIDE
switch (downButton)
{
case MEvent.MouseButtonType.kMiddleMouse:
cmd.setVector(0.0, 0.0, endW.z - startW.z);
break;
case MEvent.MouseButtonType.kLeftMouse:
default:
cmd.setVector(0.0, endW.y - startW.y, endW.z - startW.z);
break;
}
break;
default:
case 3: // PERSP
break;
}
cmd.redoIt();
view.refresh(true, false);
}
}