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diff --git a/doc-files/HelloUniverse.html b/doc-files/HelloUniverse.html new file mode 100644 index 0000000..5e37bd6 --- /dev/null +++ b/doc-files/HelloUniverse.html @@ -0,0 +1,21 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> + <meta content="text/html; charset=ISO-8859-1" + http-equiv="content-type"> + <title>HelloUniverse</title> +</head> +<body> +<h2>HelloUniverse: A Sample Java +3D Program</h2> +<p>Here are code fragments from a simple program, <code>HelloUniverse.java</code>, +that creates a cube and a RotationInterpolator behavior object that +rotates the cube at a constant rate of pi/2 radians per second. The +HelloUniverse class creates the branch graph +that includes the cube and the RotationInterpolator behavior. It then +adds this branch graph to the Locale object generated by the +SimpleUniverse utility. +</p> +<pre><hr><br>public class HelloUniverse ... {<br> public BranchGroup createSceneGraph() {<br><i> // Create the root of the branch graph<br></i> BranchGroup objRoot = new BranchGroup();<br><br><i> // Create the TransformGroup node and initialize it to the<br> // identity. Enable the TRANSFORM_WRITE capability so that<br> // our behavior code can modify it at run time. Add it to<br> // the root of the subgraph.<br></i> TransformGroup objTrans = new TransformGroup();<br> objTrans.setCapability(<br> TransformGroup.ALLOW_TRANSFORM_WRITE);<br> objRoot.addChild(objTrans);<br><br><i> // Create a simple Shape3D node; add it to the scene graph.<br></i> objTrans.addChild(new ColorCube(0.4));<br><br><i> // Create a new Behavior object that will perform the<br> // desired operation on the specified transform and add<br> // it into the scene graph.<br></i> Transform3D yAxis = new Transform3D();<br> Alpha rotationAlpha = new Alpha(-1, 4000);<br> RotationInterpolator rotator = new RotationInterpolator(<br> rotationAlpha, objTrans, yAxis,<br> 0.0f, (float) Math.PI*2.0f);<br> BoundingSphere bounds =<br> new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);<br> rotator.setSchedulingBounds(bounds);<br> objRoot.addChild(rotator);<br><br><i> // Have Java 3D perform optimizations on this scene graph.</i><br> objRoot.compile();<br><br> return objRoot;<br> }<br><br> public HelloUniverse() {<br><i> <set layout of container, construct canvas3d, add canvas3d><br><br> // Create the scene; attach it to the virtual universe<br></i> BranchGroup scene = createSceneGraph();<br> SimpleUniverse u = new SimpleUniverse(canvas3d);<br> u.getViewingPlatform().setNominalViewingTransform();<br> u.addBranchGraph(scene);<br> }<br>}</pre> +</body> +</html> |