jogldrawingarea.java

基于java的3d开发库。对坐java3d的朋友有很大的帮助。

             (m & e.BUTTON1_DOWN_MASK) != 0 ) {
            canvas.setCursor(camrotateCursor);
        }
        else if ( interactionMode == CAMERA_INTERACTION_MODE &&
                  (m & e.BUTTON2_DOWN_MASK) != 0 ) {
            canvas.setCursor(camtranslateCursor);
        }
        else if ( interactionMode == CAMERA_INTERACTION_MODE &&
                  (m & e.BUTTON3_DOWN_MASK) != 0 ) {
            canvas.setCursor(camadvanceCursor);
        }
        else {
            canvas.setCursor(selectCursor);
        }

        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processMousePressedEventAwt(e) ) {
            ;
        }
        else if ( interactionMode == SELECT_INTERACTION_MODE ||
                  interactionMode == TRANSLATE_INTERACTION_MODE || 
                  interactionMode == ROTATE_INTERACTION_MODE || 
                  interactionMode == SCALE_INTERACTION_MODE 
                  ) {
            boolean composite = false;
            if ( ((e.getModifiersEx()) & e.CTRL_DOWN_MASK) != 0x0 ) {
                composite = true;
            }
            int oldThingSelected = theScene.selectedThings.firstSelected();
            view = views.get(selectedView);
            if ( mouseView == null ) {
                return;
            }
            mouseView.updateMouseEvent(e, globalViewportXSize, globalViewportYSize);

            theScene.activeCamera = view.getCamera();
            theScene.selectObjectWithMouse(e.getX(), e.getY(),
                                           composite, parent.visualDebugRay);

            int firstThingSelected = theScene.selectedThings.firstSelected();

            if ( oldThingSelected >= 0 && firstThingSelected < 0 &&
                 interactionMode == TRANSLATE_INTERACTION_MODE &&
                 translationGizmo.isActive() ) {
                theScene.selectedThings.select(oldThingSelected);
                firstThingSelected = theScene.selectedThings.firstSelected();
            }

            if ( firstThingSelected >= 0 ) {
                //------------------------------------------------------------
                Vector3D position;
                SimpleBody gi;
                gi = theScene.scene.getSimpleBodies().get(firstThingSelected);

                Matrix4x4 composed;

                position = gi.getPosition();
                //composed = new Matrix4x4(gi.getRotation());
                composed = new Matrix4x4();
                composed.M[0][3] = position.x;
                composed.M[1][3] = position.y;
                composed.M[2][3] = position.z;

                translationGizmo.setCamera(mouseView.getCamera());
                translationGizmo.setTransformationMatrix(composed);
                translationGizmo.processMousePressedEventAwt(e);
                //------------------------------------------------------------
            }

            reportObjectSelection();
        }
        canvas.repaint();
    }

    public void mouseReleased(MouseEvent e)
    {
        JoglView view = views.get(selectedView);
        JoglView mouseView = getSelectedView(e, false);

        // WARNING / TODO
        // There should be a cameraController.getFutureAction(e) that calculates
        // the proper icon for display ... here an Aquynza operation is
        // assumed and hard-coded

        int firstThingSelected = theScene.selectedThings.firstSelected();

        if ( interactionMode == CAMERA_INTERACTION_MODE ) {
            canvas.setCursor(camrotateCursor);
        }
        else {
            canvas.setCursor(selectCursor);
        }

        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processMouseReleasedEventAwt(e) ) {
            canvas.repaint();
        }
        else if ( interactionMode == TRANSLATE_INTERACTION_MODE &&
                  firstThingSelected >= 0 ) {
            Vector3D position;
            SimpleBody gi;

            gi = theScene.scene.getSimpleBodies().get(firstThingSelected);

            Matrix4x4 composed;

            position = gi.getPosition();
            //composed = new Matrix4x4(gi.getRotation());
            composed = new Matrix4x4();
            composed.M[0][3] = position.x;
            composed.M[1][3] = position.y;
            composed.M[2][3] = position.z;

            if ( mouseView == null ) {
                return;
            }
            translationGizmo.setCamera(mouseView.getCamera());
            translationGizmo.setTransformationMatrix(composed);
            mouseView.updateMouseEvent(e, globalViewportXSize, globalViewportYSize);
            if ( translationGizmo.processMouseReleasedEventAwt(e) ) {
                composed = translationGizmo.getTransformationMatrix();
                position.x = composed.M[0][3];
                position.y = composed.M[1][3];
                position.z = composed.M[2][3];
                composed.M[0][3] = 0;
                composed.M[1][3] = 0;
                composed.M[2][3] = 0;
                applyTranslationToSelectedObjects(position);
                canvas.repaint();
            }
        }

    }

    public void mouseClicked(MouseEvent e)
    {
        JoglView view = getSelectedView(e, true);
        JoglView mouseView = getSelectedView(e, false);

        int firstThingSelected = theScene.selectedThings.firstSelected();

        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processMouseClickedEventAwt(e) ) {
            canvas.repaint();
        }
        else if ( interactionMode == TRANSLATE_INTERACTION_MODE &&
                  firstThingSelected >= 0 ) {
            Vector3D position;
            SimpleBody gi;

            gi = theScene.scene.getSimpleBodies().get(firstThingSelected);

            Matrix4x4 composed;

            position = gi.getPosition();
            //composed = new Matrix4x4(gi.getRotation());
            composed = new Matrix4x4();
            composed.M[0][3] = position.x;
            composed.M[1][3] = position.y;
            composed.M[2][3] = position.z;

            translationGizmo.setCamera(mouseView.getCamera());
            translationGizmo.setTransformationMatrix(composed);
            mouseView.updateMouseEvent(e, globalViewportXSize, globalViewportYSize);
            if ( translationGizmo.processMouseClickedEventAwt(e) ) {
                composed = translationGizmo.getTransformationMatrix();
                position.x = composed.M[0][3];
                position.y = composed.M[1][3];
                position.z = composed.M[2][3];
                composed.M[0][3] = 0;
                composed.M[1][3] = 0;
                composed.M[2][3] = 0;
                applyTranslationToSelectedObjects(position);
                canvas.repaint();
            }
        }
    }

    public void mouseMoved(MouseEvent e)
    {
        //-----------------------------------------------------------------
        JoglView view = views.get(selectedView);
        JoglView mouseView = getSelectedView(e, false);

        //-----------------------------------------------------------------
        int firstThingSelected = theScene.selectedThings.firstSelected();

        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processMouseMovedEventAwt(e) ) {
            canvas.repaint();
        }
        else if ( interactionMode == TRANSLATE_INTERACTION_MODE &&
                  firstThingSelected >= 0 ) {
            Vector3D position;
            SimpleBody gi;

            gi = theScene.scene.getSimpleBodies().get(firstThingSelected);

            Matrix4x4 composed;

            position = gi.getPosition();
            //composed = new Matrix4x4(gi.getRotation());
            composed = new Matrix4x4();
            composed.M[0][3] = position.x;
            composed.M[1][3] = position.y;
            composed.M[2][3] = position.z;

            translationGizmo.setCamera(mouseView.getCamera());
            translationGizmo.setTransformationMatrix(composed);
            mouseView.updateMouseEvent(e, globalViewportXSize, globalViewportYSize);
            if ( translationGizmo.processMouseMovedEventAwt(e) ) {
                composed = translationGizmo.getTransformationMatrix();
                position.x = composed.M[0][3];
                position.y = composed.M[1][3];
                position.z = composed.M[2][3];
                composed.M[0][3] = 0;
                composed.M[1][3] = 0;
                composed.M[2][3] = 0;
                applyTranslationToSelectedObjects(position);
                canvas.repaint();
            }
        }
    }

    public void mouseDragged(MouseEvent e)
    {
        JoglView view = views.get(selectedView);
        JoglView mouseView = getSelectedView(e, false);

        int firstThingSelected = theScene.selectedThings.firstSelected();

        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processMouseDraggedEventAwt(e) ) {
            canvas.repaint();
        }
        else if ( interactionMode == TRANSLATE_INTERACTION_MODE &&
                  firstThingSelected >= 0 ) {
            Vector3D position;
            SimpleBody gi;

            gi = theScene.scene.getSimpleBodies().get(firstThingSelected);

            Matrix4x4 composed;

            position = gi.getPosition();
            //composed = new Matrix4x4(gi.getRotation());
            composed = new Matrix4x4();
            composed.M[0][3] = position.x;
            composed.M[1][3] = position.y;
            composed.M[2][3] = position.z;

            if ( mouseView == null ) {
                return;
            }
            translationGizmo.setCamera(mouseView.getCamera());
            translationGizmo.setTransformationMatrix(composed);
            mouseView.updateMouseEvent(e, globalViewportXSize, globalViewportYSize);
            if ( translationGizmo.processMouseDraggedEventAwt(e) ) {
                composed = translationGizmo.getTransformationMatrix();
                position.x = composed.M[0][3];
                position.y = composed.M[1][3];
                position.z = composed.M[2][3];
                composed.M[0][3] = 0;
                composed.M[1][3] = 0;
                composed.M[2][3] = 0;
                applyTranslationToSelectedObjects(position);
                canvas.repaint();
            }
        }
    }

    /**
    WARNING: It is not working... check pending
    */
    public void mouseWheelMoved(MouseWheelEvent e)
    {
        System.out.println(".");
        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processMouseWheelEventAwt(e) ) {
            canvas.repaint();
        }
    }

    public void keyPressed(KeyEvent e)
    {
        char unicode_id;
        int keycode;
        boolean skipKey = false;

        unicode_id = e.getKeyChar();
        keycode = e.getKeyCode();

        int firstThingSelected = theScene.selectedThings.firstSelected();

        if ( interactionMode == CAMERA_INTERACTION_MODE && 
             cameraController.processKeyPressedEventAwt(e) ) {
            ;
        }
        else if ( interactionMode == SELECT_INTERACTION_MODE ) {
            if ( unicode_id == e.CHAR_UNDEFINED ) {
                switch ( keycode ) {
                  case KeyEvent.VK_LEFT:
                    if ( theScene.selectedDebugThingGroups.numberOfSelections() < 1 ) {
                        theScene.selectedThings.selectPrevious();
                    }
                    if ( theScene.selectedThings.numberOfSelections() < 1 ) {
                        theScene.selectedDebugThingGroups.selectPrevious();
                    }
                    reportObjectSelection();
                    break;
                  case KeyEvent.VK_RIGHT:
                    if ( theScene.selectedDebugThingGroups.numberOfSelections() < 1 ) {
                        theScene.selectedThings.selectNext();
                    }
                    if ( theScene.selectedThings.numberOfSelections() < 1 ) {
                        theScene.selectedDebugThingGroups.selectNext();
                    }
                    reportObjectSelection();
                    break;
                }
            }
        }
        else if ( interactionMode == TRANSLATE_INTERACTION_MODE ) {
            if ( firstThingSelected >= 0 ) {
                Matrix4x4 composed;
                Vector3D position;
                SimpleBody gi;

                gi = theScene.scene.getSimpleBodies().get(firstThingSelected);

                position = gi.getPosition();
                //composed = new Matrix4x4(gi.getRotation());
                composed = new Matrix4x4();
                composed.M[0][3] = position.x;
                composed.M[1][3] = position.y;
                composed.M[2][3] = position.z;

                translationGizmo.setTransformationMatrix(composed);
                if ( translationGizmo.processKeyPressedEventAwt(e) ) {