mouselookhandler.java

来自「java 3d game jme 工程开发源代码」· Java 代码 · 共 67 行

/*
 * Copyright (c) 2003-2009 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software 
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.jme.input;

import com.jme.input.action.MouseLook;
import com.jme.math.Vector3f;
import com.jme.renderer.Camera;

/**
 * <code>MouseLookHandler</code> defines an InputHandler that allows to rotate the camera via the mouse.
 */
public class MouseLookHandler extends InputHandler {

    private MouseLook mouseLook;

    public MouseLookHandler( Camera cam, float speed ) {
        RelativeMouse mouse = new RelativeMouse("Mouse Input");
        mouse.registerWithInputHandler( this );

        mouseLook = new MouseLook(mouse, cam, speed );
        mouseLook.setLockAxis(new Vector3f(cam.getUp()));
        addAction(mouseLook);
    }
    
    public void requireButtonPress(boolean value) {
        mouseLook.setButtonPressRequired(value);
    }
    
    public void setLockAxis(Vector3f lock) {
        mouseLook.setLockAxis(new Vector3f(lock));
    }
    
    public MouseLook getMouseLook() {
        return mouseLook;
    }
}