[77] | 1 | package com.framsticks.visualization; |
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| 2 | |
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[85] | 3 | import com.framsticks.util.io.Encoding; |
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[77] | 4 | import com.sun.j3d.loaders.IncorrectFormatException; |
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| 5 | import com.sun.j3d.loaders.ParsingErrorException; |
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| 6 | import com.sun.j3d.loaders.Scene; |
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| 7 | import com.sun.j3d.loaders.objectfile.ObjectFile; |
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| 8 | import com.sun.j3d.utils.behaviors.mouse.MouseRotate; |
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| 9 | import com.sun.j3d.utils.universe.PlatformGeometry; |
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| 10 | import com.sun.j3d.utils.universe.SimpleUniverse; |
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| 11 | import com.sun.j3d.utils.universe.ViewingPlatform; |
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| 12 | |
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| 13 | import javax.media.j3d.*; |
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| 14 | import javax.swing.*; |
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| 15 | import javax.vecmath.Color3f; |
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| 16 | import javax.vecmath.Point3d; |
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| 17 | import javax.vecmath.Vector3f; |
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| 18 | import java.awt.*; |
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[84] | 19 | import java.io.*; |
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[77] | 20 | |
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[100] | 21 | import org.apache.logging.log4j.Logger; |
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| 22 | import org.apache.logging.log4j.LogManager; |
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[77] | 23 | |
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| 24 | public class Viewer { |
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| 25 | |
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[100] | 26 | private static Logger log = LogManager.getLogger(Viewer.class); |
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[77] | 27 | |
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[85] | 28 | Canvas3D canvas3d; |
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| 29 | SimpleUniverse universe; |
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[77] | 30 | |
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[85] | 31 | public Viewer() { |
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| 32 | super(); |
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[77] | 33 | |
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[85] | 34 | init(); |
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| 35 | } |
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[77] | 36 | |
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| 37 | public BranchGroup createSceneGraph() { |
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[85] | 38 | // Create the root of the branch graph |
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| 39 | BranchGroup objRoot = new BranchGroup(); |
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[77] | 40 | |
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[85] | 41 | // Create a Transform group to scale all objects so they |
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| 42 | // appear in the scene. |
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| 43 | TransformGroup objScale = new TransformGroup(); |
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| 44 | Transform3D t3d = new Transform3D(); |
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| 45 | t3d.setScale(0.7); |
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| 46 | objScale.setTransform(t3d); |
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| 47 | objRoot.addChild(objScale); |
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[77] | 48 | |
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[85] | 49 | TransformGroup objTrans = new TransformGroup(); |
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| 50 | objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); |
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| 51 | objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); |
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| 52 | objScale.addChild(objTrans); |
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[77] | 53 | |
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[85] | 54 | String filename = "/visualization/models/cylinder.obj"; |
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| 55 | int flags = ObjectFile.RESIZE; |
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| 56 | flags |= ObjectFile.TRIANGULATE; |
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| 57 | flags |= ObjectFile.STRIPIFY; |
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[77] | 58 | double creaseAngle = 60.0; |
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| 59 | ObjectFile f = new ObjectFile(flags, |
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[85] | 60 | (float) (creaseAngle * Math.PI / 180.0)); |
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| 61 | Scene s = null; |
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| 62 | try { |
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[84] | 63 | InputStream is = this.getClass().getResourceAsStream(filename); |
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[85] | 64 | s = f.load(new InputStreamReader(is, Encoding.getDefaultCharset())); |
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| 65 | } catch (FileNotFoundException | ParsingErrorException | IncorrectFormatException e) { |
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| 66 | log.fatal("fatal error", e); |
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| 67 | return null; |
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| 68 | } |
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[77] | 69 | |
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[85] | 70 | objTrans.addChild(s.getSceneGroup()); |
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[77] | 71 | |
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[85] | 72 | BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); |
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[77] | 73 | |
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[85] | 74 | Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f); |
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| 75 | Background bgNode = new Background(bgColor); |
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| 76 | bgNode.setApplicationBounds(bounds); |
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| 77 | objRoot.addChild(bgNode); |
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[77] | 78 | |
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[85] | 79 | return objRoot; |
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| 80 | } |
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[77] | 81 | |
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[85] | 82 | private void init() { |
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[77] | 83 | |
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[85] | 84 | JTextPane textPane = new JTextPane(); |
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| 85 | textPane.setEditable(false); |
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[77] | 86 | |
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[85] | 87 | GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration(); |
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[77] | 88 | |
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[85] | 89 | // Create a Canvas3D using the preferred configuration |
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| 90 | canvas3d = new Canvas3D(config); |
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[77] | 91 | |
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[85] | 92 | // Create simple universe with view branch |
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| 93 | universe = new SimpleUniverse(canvas3d); |
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| 94 | BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); |
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[77] | 95 | |
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[85] | 96 | // add mouse behaviours to the ViewingPlatform |
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| 97 | ViewingPlatform viewingPlatform = universe.getViewingPlatform(); |
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[77] | 98 | |
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[85] | 99 | PlatformGeometry platformGeometry = new PlatformGeometry(); |
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[77] | 100 | |
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[85] | 101 | // Set up the ambient light |
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| 102 | Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f); |
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| 103 | AmbientLight ambientLightNode = new AmbientLight(ambientColor); |
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| 104 | ambientLightNode.setInfluencingBounds(bounds); |
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| 105 | platformGeometry.addChild(ambientLightNode); |
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[77] | 106 | |
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[85] | 107 | // Set up the directional lights |
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| 108 | Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f); |
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| 109 | Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f); |
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| 110 | Color3f light2Color = new Color3f(1.0f, 1.0f, 1.0f); |
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| 111 | Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f); |
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[77] | 112 | |
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[85] | 113 | DirectionalLight light1 = new DirectionalLight(light1Color, |
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| 114 | light1Direction); |
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| 115 | light1.setInfluencingBounds(bounds); |
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| 116 | platformGeometry.addChild(light1); |
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[77] | 117 | |
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[85] | 118 | DirectionalLight light2 = new DirectionalLight(light2Color, |
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| 119 | light2Direction); |
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| 120 | light2.setInfluencingBounds(bounds); |
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| 121 | platformGeometry.addChild(light2); |
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[77] | 122 | |
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[85] | 123 | viewingPlatform.setPlatformGeometry(platformGeometry); |
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[77] | 124 | |
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[85] | 125 | viewingPlatform.setNominalViewingTransform(); |
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[77] | 126 | |
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[85] | 127 | // Ensure at least 5 msec per frame (i.e., < 200Hz) |
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| 128 | universe.getViewer().getView().setMinimumFrameCycleTime(5); |
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[77] | 129 | |
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[85] | 130 | BranchGroup scene = new BranchGroup(); |
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| 131 | BranchGroup content = createSceneGraph(); |
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[77] | 132 | |
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[85] | 133 | // canvas3d.addMouseListener(behaviour); |
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| 134 | TransformGroup transformGroup = new TransformGroup(new Transform3D()); |
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| 135 | transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); |
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| 136 | transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); |
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| 137 | MouseRotate behaviour = new MouseRotate(); |
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| 138 | behaviour.setTransformGroup(transformGroup); |
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| 139 | transformGroup.addChild(behaviour); |
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| 140 | // behaviour.addListener(canvas3d); |
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| 141 | // behaviour.initialize(); |
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| 142 | behaviour.setSchedulingBounds(new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0)); |
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| 143 | transformGroup.addChild(content); |
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| 144 | // transformGroup.addChild(behaviour); |
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| 145 | scene.addChild(transformGroup); |
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[77] | 146 | |
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[85] | 147 | universe.addBranchGraph(scene); |
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[84] | 148 | canvas3d.startRenderer(); |
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| 149 | Dimension d = new Dimension(500, 500); |
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| 150 | canvas3d.setMinimumSize(d); |
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| 151 | canvas3d.setSize(d); |
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[85] | 152 | } |
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[77] | 153 | |
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[85] | 154 | public Component getViewComponent() { |
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| 155 | return canvas3d; |
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| 156 | } |
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[77] | 157 | |
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| 158 | |
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| 159 | } |
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