defaultbehaviour.java

使用stl技术,(还没看,是听说的)

/*  Ogre4J
    Copyright (C) 2002 macross

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package org.ogre4j.demo;

import org.ogre4j.Camera;
import org.ogre4j.InputState;
import org.ogre4j.Root;
import org.ogre4j.event.FrameEvent;
import org.ogre4j.event.IFrameListener;
import org.ogre4j.event.IKeyListener;
import org.ogre4j.event.KeyEvent;
import org.ogre4j.math.Vector3;

/**
 * DefaultBehaviour
 * 
 * @author Ivica Aracic <[e-mail]>
 */
public class    DefaultBehaviour
implements      IKeyListener,
                IFrameListener {

    private Camera camera;
    private Root   root;
    
    private Vector3   moveVec = new Vector3();

    public DefaultBehaviour(Camera camera) {
        this.root   = Root.instance();
        this.camera = camera;        
    }
    
    
    public void keyClicked(KeyEvent e) {        
        if(e.getKey() == KeyEvent.KC_ESCAPE)
            root.exit();
    }

    public void keyPressed(KeyEvent e) {     
    }

    public void keyReleased(KeyEvent e) {
    }

    public void frameStarted(FrameEvent e) {

        float dTime = e.getTimeSinceLastFrame();
        
        InputState inputState = root.getInputState();
        
        moveVec.set(Vector3.ZERO);        
        
        if(inputState.isKeyDown(KeyEvent.KC_UP)) {
            moveVec.z = -1;
        }
        else if(inputState.isKeyDown(KeyEvent.KC_DOWN)) {
            moveVec.z = +1;
        }

        if(inputState.isKeyDown(KeyEvent.KC_LEFT)) {
            moveVec.x = -1;
        }
        else if(inputState.isKeyDown(KeyEvent.KC_RIGHT)) {
            moveVec.x = +1;
        }
        else if(inputState.isKeyDown(KeyEvent.KC_PGDOWN)) {
        	moveVec.y = -1;
        }
		else if(inputState.isKeyDown(KeyEvent.KC_PGUP)) {
			moveVec.y = +1;
		}
        
        moveVec.multThis(180*dTime);

        camera.yaw(-inputState.getRelX()*100.0f);
        camera.pitch(-inputState.getRelY()*100.0f);        
        camera.moveRelative(moveVec);
    }    

    public void frameEnded(FrameEvent e) {
    }

}