usegamemouse.java

Java 3D Game SDK.老外做的.

/*
 * UseGameMouse.java
 */

package org.java3dgamesdk.samples.II;

import org.java3dgamesdk.core.*;
import org.java3dgamesdk.core.util.*;

/**
 * This sample application demonstrates how to use the game mouse and to have
 * an invisible cursor. 
 * This class has also the GameFrame as super class.
 *
 * @author  Norbert Nopper
 */
public class UseGameMouse extends GameFrame {
    
    public static void main(String[] argv) {
        // create the object        
        UseGameMouse useGameMouse = new UseGameMouse();
        
        // create the object and pass the game frame to it ...
        RenderSelection renderSelection = new RenderSelection(useGameMouse);
        // ... rest is done by the dialog
        renderSelection.show();
        
    }

    /**
     * The game mouse is enabled here and also the cursor is changed as well.
     */
    protected void initGame() {
        // enable the game mouse
        gameMouse = true;
        // make an invisible cursor
        canvas3d.setCursor(GameMouse.CURSOR_TRANSPARENT);
    }
    
    /**
     * For this sample we do not need the method right now.
     *
     *@param currentTime the current game time in miliseconds, starting with 0
     */
    protected void updateGame(long currentTime) {
        if(gameKeys[27])
            exit();

        if(mouseWheel != 0)
            System.out.println("Wheel moved: " + mouseWheel);
        if(mouseButton[0])
            System.out.println("Mouse Button 0 pressed.");
        if(mouseButton[1])
            System.out.println("Mouse Button 1 pressed.");
        if(mouseButton[2])
            System.out.println("Mouse Button 2 pressed.");
        if(deltaX != 0 || deltaY != 0)
            System.out.println("Mouse moved: x " + deltaX + " y " + deltaY);
    }
    
    /**
     * Whenever a scene has to be rendered, the surface has to be cleaned first.
     */
    protected void renderGame() {
        gc3D.clear();        
    }
    
    /**
     * Set up the old cursor.
     */
    protected void exitGame() {
        // go back to the default cursor
        canvas3d.setCursor(GameMouse.CURSOR_DEFAULT);
    }
        
}