/*
* Copyright (c) 2009-2012 jMonkeyEngine All rights reserved.
* <p/>
* 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.
* <p/>
* * 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.
* <p/>
* * 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.
* <p/>
* 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 jme3test.input;
import com.jme3.app.SimpleApplication;
import com.jme3.input.MouseInput;
import com.jme3.input.controls.*;
import com.jme3.material.Material;
import com.jme3.math.FastMath;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.scene.CameraNode;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.control.CameraControl.ControlDirection;
import com.jme3.scene.shape.Quad;
import com.jme3.system.AppSettings;
/**
* A 3rd-person camera node follows a target (teapot). Follow the teapot with
* WASD keys, rotate by dragging the mouse.
*/
public class TestCameraNode extends SimpleApplication implements AnalogListener, ActionListener {
private Geometry teaGeom;
private Node teaNode;
CameraNode camNode;
boolean rotate = false;
Vector3f direction = new Vector3f();
public static void main(String[] args) {
TestCameraNode app = new TestCameraNode();
AppSettings s = new AppSettings(true);
s.setFrameRate(100);
app.setSettings(s);
app.start();
}
public void simpleInitApp() {
// load a teapot model
teaGeom = (Geometry) assetManager.loadModel("Models/Teapot/Teapot.obj");
Material mat = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");
teaGeom.setMaterial(mat);
//create a node to attach the geometry and the camera node
teaNode = new Node("teaNode");
teaNode.attachChild(teaGeom);
rootNode.attachChild(teaNode);
// create a floor
mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
mat.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
Geometry ground = new Geometry("ground", new Quad(50, 50));
ground.setLocalRotation(new Quaternion().fromAngleAxis(-FastMath.HALF_PI, Vector3f.UNIT_X));
ground.setLocalTranslation(-25, -1, 25);
ground.setMaterial(mat);
rootNode.attachChild(ground);
//creating the camera Node
camNode = new CameraNode("CamNode", cam);
//Setting the direction to Spatial to camera, this means the camera will copy the movements of the Node
camNode.setControlDir(ControlDirection.SpatialToCamera);
//attaching the camNode to the teaNode
teaNode.attachChild(camNode);
//setting the local translation of the cam node to move it away from the teanNode a bit
camNode.setLocalTranslation(new Vector3f(-10, 0, 0));
//setting the camNode to look at the teaNode
camNode.lookAt(teaNode.getLocalTranslation(), Vector3f.UNIT_Y);
//disable the default 1st-person flyCam (don't forget this!!)
flyCam.setEnabled(false);
registerInput();
}
public void registerInput() {
inputManager.addMapping("moveForward", new KeyTrigger(keyInput.KEY_UP), new KeyTrigger(keyInput.KEY_W));
inputManager.addMapping("moveBackward", new KeyTrigger(keyInput.KEY_DOWN), new KeyTrigger(keyInput.KEY_S));
inputManager.addMapping("moveRight", new KeyTrigger(keyInput.KEY_RIGHT), new KeyTrigger(keyInput.KEY_D));
inputManager.addMapping("moveLeft", new KeyTrigger(keyInput.KEY_LEFT), new KeyTrigger(keyInput.KEY_A));
inputManager.addMapping("toggleRotate", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
inputManager.addMapping("rotateRight", new MouseAxisTrigger(MouseInput.AXIS_X, true));
inputManager.addMapping("rotateLeft", new MouseAxisTrigger(MouseInput.AXIS_X, false));
inputManager.addListener(this, "moveForward", "moveBackward", "moveRight", "moveLeft");
inputManager.addListener(this, "rotateRight", "rotateLeft", "toggleRotate");
}
public void onAnalog(String name, float value, float tpf) {
//computing the normalized direction of the cam to move the teaNode
direction.set(cam.getDirection()).normalizeLocal();
if (name.equals("moveForward")) {
direction.multLocal(5 * tpf);
teaNode.move(direction);
}
if (name.equals("moveBackward")) {
direction.multLocal(-5 * tpf);
teaNode.move(direction);
}
if (name.equals("moveRight")) {
direction.crossLocal(Vector3f.UNIT_Y).multLocal(5 * tpf);
teaNode.move(direction);
}
if (name.equals("moveLeft")) {
direction.crossLocal(Vector3f.UNIT_Y).multLocal(-5 * tpf);
teaNode.move(direction);
}
if (name.equals("rotateRight") && rotate) {
teaNode.rotate(0, 5 * tpf, 0);
}
if (name.equals("rotateLeft") && rotate) {
teaNode.rotate(0, -5 * tpf, 0);
}
}
public void onAction(String name, boolean keyPressed, float tpf) {
//toggling rotation on or off
if (name.equals("toggleRotate") && keyPressed) {
rotate = true;
inputManager.setCursorVisible(false);
}
if (name.equals("toggleRotate") && !keyPressed) {
rotate = false;
inputManager.setCursorVisible(true);
}
}
}