1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package jme3test.animation; 33 34 import com.jme3.animation.LoopMode; 35 import com.jme3.app.SimpleApplication; 36 import com.jme3.cinematic.MotionPath; 37 import com.jme3.cinematic.MotionPathListener; 38 import com.jme3.cinematic.events.MotionTrack; 39 import com.jme3.font.BitmapText; 40 import com.jme3.input.ChaseCamera; 41 import com.jme3.input.KeyInput; 42 import com.jme3.input.controls.ActionListener; 43 import com.jme3.input.controls.KeyTrigger; 44 import com.jme3.light.DirectionalLight; 45 import com.jme3.material.Material; 46 import com.jme3.math.ColorRGBA; 47 import com.jme3.math.Spline.SplineType; 48 import com.jme3.math.Vector3f; 49 import com.jme3.scene.CameraNode; 50 import com.jme3.scene.Geometry; 51 import com.jme3.scene.Spatial; 52 import com.jme3.scene.control.CameraControl.ControlDirection; 53 import com.jme3.scene.shape.Box; 54 55 public class TestCameraMotionPath extends SimpleApplication { 56 57 private Spatial teapot; 58 private boolean active = true; 59 private boolean playing = false; 60 private MotionPath path; 61 private MotionTrack cameraMotionControl; 62 private ChaseCamera chaser; 63 private CameraNode camNode; 64 65 public static void main(String[] args) { 66 TestCameraMotionPath app = new TestCameraMotionPath(); 67 app.start(); 68 } 69 70 @Override 71 public void simpleInitApp() { 72 createScene(); 73 cam.setLocation(new Vector3f(8.4399185f, 11.189463f, 14.267577f)); 74 camNode = new CameraNode("Motion cam", cam); 75 camNode.setControlDir(ControlDirection.SpatialToCamera); 76 camNode.getControl(0).setEnabled(false); 77 path = new MotionPath(); 78 path.setCycle(true); 79 path.addWayPoint(new Vector3f(20, 3, 0)); 80 path.addWayPoint(new Vector3f(0, 3, 20)); 81 path.addWayPoint(new Vector3f(-20, 3, 0)); 82 path.addWayPoint(new Vector3f(0, 3, -20)); 83 path.setCurveTension(0.83f); 84 path.enableDebugShape(assetManager, rootNode); 85 86 cameraMotionControl = new MotionTrack(camNode, path); 87 cameraMotionControl.setLoopMode(LoopMode.Loop); 88 //cameraMotionControl.setDuration(15f); 89 cameraMotionControl.setLookAt(teapot.getWorldTranslation(), Vector3f.UNIT_Y); 90 cameraMotionControl.setDirectionType(MotionTrack.Direction.LookAt); 91 92 rootNode.attachChild(camNode); 93 94 guiFont = assetManager.loadFont("Interface/Fonts/Default.fnt"); 95 final BitmapText wayPointsText = new BitmapText(guiFont, false); 96 wayPointsText.setSize(guiFont.getCharSet().getRenderedSize()); 97 98 guiNode.attachChild(wayPointsText); 99 100 path.addListener(new MotionPathListener() { 101 102 public void onWayPointReach(MotionTrack control, int wayPointIndex) { 103 if (path.getNbWayPoints() == wayPointIndex + 1) { 104 wayPointsText.setText(control.getSpatial().getName() + " Finish!!! "); 105 } else { 106 wayPointsText.setText(control.getSpatial().getName() + " Reached way point " + wayPointIndex); 107 } 108 wayPointsText.setLocalTranslation((cam.getWidth() - wayPointsText.getLineWidth()) / 2, cam.getHeight(), 0); 109 } 110 }); 111 112 flyCam.setEnabled(false); 113 chaser = new ChaseCamera(cam, teapot); 114 chaser.registerWithInput(inputManager); 115 chaser.setSmoothMotion(true); 116 chaser.setMaxDistance(50); 117 chaser.setDefaultDistance(50); 118 initInputs(); 119 120 } 121 122 private void createScene() { 123 Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md"); 124 mat.setFloat("Shininess", 1f); 125 mat.setBoolean("UseMaterialColors", true); 126 mat.setColor("Ambient", ColorRGBA.Black); 127 mat.setColor("Diffuse", ColorRGBA.DarkGray); 128 mat.setColor("Specular", ColorRGBA.White.mult(0.6f)); 129 Material matSoil = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md"); 130 matSoil.setBoolean("UseMaterialColors", true); 131 matSoil.setColor("Ambient", ColorRGBA.Gray); 132 matSoil.setColor("Diffuse", ColorRGBA.Gray); 133 matSoil.setColor("Specular", ColorRGBA.Black); 134 teapot = assetManager.loadModel("Models/Teapot/Teapot.obj"); 135 teapot.setLocalScale(3); 136 teapot.setMaterial(mat); 137 138 139 140 rootNode.attachChild(teapot); 141 Geometry soil = new Geometry("soil", new Box(new Vector3f(0, -1.0f, 0), 50, 1, 50)); 142 soil.setMaterial(matSoil); 143 rootNode.attachChild(soil); 144 DirectionalLight light = new DirectionalLight(); 145 light.setDirection(new Vector3f(0, -1, 0).normalizeLocal()); 146 light.setColor(ColorRGBA.White.mult(1.5f)); 147 rootNode.addLight(light); 148 } 149 150 private void initInputs() { 151 inputManager.addMapping("display_hidePath", new KeyTrigger(KeyInput.KEY_P)); 152 inputManager.addMapping("SwitchPathInterpolation", new KeyTrigger(KeyInput.KEY_I)); 153 inputManager.addMapping("tensionUp", new KeyTrigger(KeyInput.KEY_U)); 154 inputManager.addMapping("tensionDown", new KeyTrigger(KeyInput.KEY_J)); 155 inputManager.addMapping("play_stop", new KeyTrigger(KeyInput.KEY_SPACE)); 156 ActionListener acl = new ActionListener() { 157 158 public void onAction(String name, boolean keyPressed, float tpf) { 159 if (name.equals("display_hidePath") && keyPressed) { 160 if (active) { 161 active = false; 162 path.disableDebugShape(); 163 } else { 164 active = true; 165 path.enableDebugShape(assetManager, rootNode); 166 } 167 } 168 if (name.equals("play_stop") && keyPressed) { 169 if (playing) { 170 playing = false; 171 cameraMotionControl.stop(); 172 chaser.setEnabled(true); 173 camNode.getControl(0).setEnabled(false); 174 } else { 175 playing = true; 176 chaser.setEnabled(false); 177 camNode.getControl(0).setEnabled(true); 178 cameraMotionControl.play(); 179 } 180 } 181 182 if (name.equals("SwitchPathInterpolation") && keyPressed) { 183 if (path.getPathSplineType() == SplineType.CatmullRom){ 184 path.setPathSplineType(SplineType.Linear); 185 } else { 186 path.setPathSplineType(SplineType.CatmullRom); 187 } 188 } 189 190 if (name.equals("tensionUp") && keyPressed) { 191 path.setCurveTension(path.getCurveTension() + 0.1f); 192 System.err.println("Tension : " + path.getCurveTension()); 193 } 194 if (name.equals("tensionDown") && keyPressed) { 195 path.setCurveTension(path.getCurveTension() - 0.1f); 196 System.err.println("Tension : " + path.getCurveTension()); 197 } 198 199 200 } 201 }; 202 203 inputManager.addListener(acl, "display_hidePath", "play_stop", "SwitchPathInterpolation", "tensionUp", "tensionDown"); 204 205 } 206 } 207
