Examples with Shape3D javax.media.j3d.Shape3D used on opensource projects

Example 11 with Shape3D

use of javax.media.j3d.Shape3D in project ffx by mjschnie.

the class GraphicsEvents method processMouseEvent.

/**
 * <p>
 * processMouseEvent</p>
 *
 * @param evt a {@link java.awt.event.MouseEvent} object.
 */
public void processMouseEvent(MouseEvent evt) {
    buttonPress = false;
    leftButton = false;
    middleButton = false;
    rightButton = false;
    int mod = evt.getModifiersEx();
    if (evt.getID() == MouseEvent.MOUSE_PRESSED) {
        buttonPress = true;
    }
    // Left Button
    if ((mod & MouseEvent.BUTTON1_DOWN_MASK) == MouseEvent.BUTTON1_DOWN_MASK) {
        leftButton = true;
    }
    // Middle Button
    if ((mod & MouseEvent.BUTTON2_DOWN_MASK) == MouseEvent.BUTTON2_DOWN_MASK) {
        middleButton = true;
    }
    // Alternatively, map "alt + button1" to the middle button
    if ((mod & MouseEvent.ALT_DOWN_MASK) == MouseEvent.ALT_DOWN_MASK) {
        if (leftButton) {
            middleButton = true;
            leftButton = false;
        }
    }
    // Right Button
    if ((mod & MouseEvent.BUTTON3_DOWN_MASK) == MouseEvent.BUTTON3_DOWN_MASK) {
        rightButton = true;
    }
    // Alternatively, map "shift + button1" to the right button
    if ((mod & MouseEvent.SHIFT_DOWN_MASK) == MouseEvent.SHIFT_DOWN_MASK) {
        if (leftButton) {
            rightButton = true;
            leftButton = false;
        }
    }
    x = evt.getX();
    y = evt.getY();
    atom = null;
    axisSelected = false;
    if (buttonPress) {
        // Picking Results
        pickCanvas.setShapeLocation(x, y);
        // Catch and ignore this until a fix is determined...
        try {
            pickResult = pickCanvas.pickClosest();
        } catch (Exception e) {
            pickResult = null;
        }
        if (pickResult != null) {
            SceneGraphPath sgp = pickResult.getSceneGraphPath();
            Node node = sgp.getObject();
            if (node instanceof Shape3D) {
                Shape3D s = (Shape3D) node;
                Object o = s.getUserData();
                if (o instanceof MolecularAssembly) {
                    MolecularAssembly sys = (MolecularAssembly) o;
                    if (pickResult.numIntersections() > 0) {
                        PickIntersection pi = pickResult.getIntersection(0);
                        int[] coords = pi.getPrimitiveCoordinateIndices();
                        atom = sys.getAtomFromWireVertex(coords[0]);
                    }
                } else if (o instanceof Atom) {
                    atom = (Atom) o;
                } else if (o instanceof GraphicsAxis) {
                    axisSelected = true;
                }
            }
        }
    }
}