CameraNode : created a simple testCase to demonstrate how easy it is to make a camera follow a spatial using a Camera Node.
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7970 75d07b2b-3a1a-0410-a2c5-0572b91ccdca3.0
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14 years ago
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/* |
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* Copyright (c) 2009-2010 jMonkeyEngine |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package jme3test.input; |
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import com.jme3.app.SettingsDialog; |
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import com.jme3.app.SimpleApplication; |
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import com.jme3.input.ChaseCamera; |
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import com.jme3.input.KeyInput; |
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import com.jme3.input.MouseInput; |
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import com.jme3.input.controls.ActionListener; |
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import com.jme3.input.controls.AnalogListener; |
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import com.jme3.input.controls.KeyTrigger; |
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import com.jme3.input.controls.MouseAxisTrigger; |
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import com.jme3.input.controls.MouseButtonTrigger; |
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import com.jme3.material.Material; |
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import com.jme3.math.FastMath; |
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import com.jme3.math.Quaternion; |
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import com.jme3.math.Vector3f; |
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import com.jme3.scene.CameraNode; |
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import com.jme3.scene.Geometry; |
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import com.jme3.scene.Node; |
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import com.jme3.scene.control.CameraControl.ControlDirection; |
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import com.jme3.scene.shape.Quad; |
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import com.jme3.system.AppSettings; |
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import java.awt.event.KeyEvent; |
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public class TestCameraNode extends SimpleApplication implements AnalogListener, ActionListener { |
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private Geometry teaGeom; |
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private Node teaNode; |
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CameraNode camNode; |
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public static void main(String[] args) { |
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TestCameraNode app = new TestCameraNode(); |
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AppSettings s = new AppSettings(true); |
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s.setFrameRate(100); |
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app.setSettings(s); |
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app.start(); |
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} |
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public void simpleInitApp() { |
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// Load a teapot model
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teaGeom = (Geometry) assetManager.loadModel("Models/Teapot/Teapot.obj"); |
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Material mat = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md"); |
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teaGeom.setMaterial(mat); |
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//creating a node to attach the geometry and the camera node
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teaNode = new Node("teaNode"); |
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teaNode.attachChild(teaGeom); |
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mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"); |
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mat.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg")); |
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Geometry ground = new Geometry("ground", new Quad(50, 50)); |
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ground.setLocalRotation(new Quaternion().fromAngleAxis(-FastMath.HALF_PI, Vector3f.UNIT_X)); |
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ground.setLocalTranslation(-25, -1, 25); |
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ground.setMaterial(mat); |
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rootNode.attachChild(ground); |
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rootNode.attachChild(teaNode); |
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//creating the camera Node
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camNode = new CameraNode("CamNode", cam); |
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//Setting the direction to Spatial to camera, this means the camera will copy the movements of the Node
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camNode.setControlDir(ControlDirection.SpatialToCamera); |
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//attaching the camNode to the teaNode
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teaNode.attachChild(camNode); |
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//setting the local translation of the cam node to move it away from the teanNode a bit
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camNode.setLocalTranslation(new Vector3f(-10, 0, 0)); |
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//setting the camNode to look at the teaNode
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camNode.lookAt(teaNode.getLocalTranslation(), Vector3f.UNIT_Y); |
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//disabling the flyCam (don't forget that!!)
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flyCam.setEnabled(false); |
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regsiterInput(); |
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} |
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public void regsiterInput() { |
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inputManager.addMapping("moveForward", new KeyTrigger(KeyInput.KEY_W)); |
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inputManager.addMapping("moveBackward", new KeyTrigger(KeyInput.KEY_S)); |
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inputManager.addMapping("moveRight", new KeyTrigger(KeyInput.KEY_D)); |
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inputManager.addMapping("moveLeft", new KeyTrigger(KeyInput.KEY_A)); |
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inputManager.addMapping("toggleRotate", new MouseButtonTrigger(MouseInput.BUTTON_LEFT)); |
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inputManager.addMapping("rotateRight", new MouseAxisTrigger(MouseInput.AXIS_X, true)); |
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inputManager.addMapping("rotateLeft", new MouseAxisTrigger(MouseInput.AXIS_X, false)); |
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inputManager.addListener(this, "moveForward", "moveBackward", "moveRight", "moveLeft"); |
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inputManager.addListener(this, "rotateRight", "rotateLeft", "toggleRotate"); |
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} |
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boolean rotate = false; |
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Vector3f direction = new Vector3f(); |
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public void onAnalog(String name, float value, float tpf) { |
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//computing the normalized direction of the cam to move the teaNode
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direction.set(cam.getDirection()).normalizeLocal(); |
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if (name.equals("moveForward")) { |
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direction.multLocal(5 * tpf); |
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teaNode.move(direction); |
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} |
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if (name.equals("moveBackward")) { |
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direction.multLocal(-5 * tpf); |
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teaNode.move(direction); |
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} |
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if (name.equals("moveRight")) { |
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direction.crossLocal(Vector3f.UNIT_Y).multLocal(5 * tpf); |
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teaNode.move(direction); |
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} |
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if (name.equals("moveLeft")) { |
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direction.crossLocal(Vector3f.UNIT_Y).multLocal(-5 * tpf); |
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teaNode.move(direction); |
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} |
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if (name.equals("rotateRight") && rotate) { |
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teaNode.rotate(0, 5 * tpf, 0); |
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} |
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if (name.equals("rotateLeft") && rotate) { |
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teaNode.rotate(0, -5 * tpf, 0); |
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} |
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} |
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public void onAction(String name, boolean keyPressed, float tpf) { |
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//toggling rotation on or off
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if (name.equals("toggleRotate") && keyPressed) { |
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rotate = true; |
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inputManager.setCursorVisible(false); |
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} |
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if (name.equals("toggleRotate") && !keyPressed) { |
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rotate = false; |
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inputManager.setCursorVisible(true); |
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} |
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} |
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} |
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