From d722c6528090975b9c3b1abbfbc8c980e3db6015 Mon Sep 17 00:00:00 2001 From: "rem..om" Date: Tue, 2 Aug 2011 14:24:59 +0000 Subject: [PATCH] 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-a2c5-0572b91ccdca --- .../test/jme3test/input/TestCameraNode.java | 161 ++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 engine/src/test/jme3test/input/TestCameraNode.java diff --git a/engine/src/test/jme3test/input/TestCameraNode.java b/engine/src/test/jme3test/input/TestCameraNode.java new file mode 100644 index 000000000..5ac72aa05 --- /dev/null +++ b/engine/src/test/jme3test/input/TestCameraNode.java @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2009-2010 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 jme3test.input; + +import com.jme3.app.SettingsDialog; +import com.jme3.app.SimpleApplication; +import com.jme3.input.ChaseCamera; +import com.jme3.input.KeyInput; +import com.jme3.input.MouseInput; +import com.jme3.input.controls.ActionListener; +import com.jme3.input.controls.AnalogListener; +import com.jme3.input.controls.KeyTrigger; +import com.jme3.input.controls.MouseAxisTrigger; +import com.jme3.input.controls.MouseButtonTrigger; +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; +import java.awt.event.KeyEvent; + +public class TestCameraNode extends SimpleApplication implements AnalogListener, ActionListener { + + private Geometry teaGeom; + private Node teaNode; + CameraNode camNode; + + 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); + //creating a node to attach the geometry and the camera node + teaNode = new Node("teaNode"); + teaNode.attachChild(teaGeom); + 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); + rootNode.attachChild(teaNode); + + + //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); + + + //disabling the flyCam (don't forget that!!) + flyCam.setEnabled(false); + + regsiterInput(); + } + + public void regsiterInput() { + inputManager.addMapping("moveForward", new KeyTrigger(KeyInput.KEY_W)); + inputManager.addMapping("moveBackward", new KeyTrigger(KeyInput.KEY_S)); + inputManager.addMapping("moveRight", new KeyTrigger(KeyInput.KEY_D)); + inputManager.addMapping("moveLeft", 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"); + } + boolean rotate = false; + Vector3f direction = new Vector3f(); + + 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); + } + + } +}