http://wiki.erights.org/mediawiki/index.php?action=history&feed=atom&title=User%3AKevin_Reid%2Fjava3d.e-awt 2026-06-13T17:18:28Z Revision history for this page on the wiki MediaWiki 1.15.5-7 http://wiki.erights.org/mediawiki/index.php?title=User:Kevin_Reid/java3d.e-awt&diff=2045&oldid=prev 2009-12-30T15:39:33Z

<p>uploading stuff sitting around</p> <p><b>New page</b></p><div> #!/usr/bin/env rune<br /> <br /> # Translated a Java 3D example into E. Written 2008-12-05.<br /> #<br /> # I was pondering writing a 3D-spatial interface to Den and looking into 3D<br /> # API choices; that would be a Very Large Project I don't currently have<br /> # enough interest in. (I've also heard that Java 3D is abandoned...) I'm<br /> # posting this just so the work isn't entirely wasted.<br /> # -- Kevin Reid 2009-12-30<br /> #<br /> # https://j3d-examples.dev.java.net/source/browse/j3d-examples/src/classes/org/jdesktop/j3d/examples/hello_universe/HelloUniverse.java?rev=1.2&amp;view=markup<br /> <br /> <br /> def &lt;j3d&gt; := &lt;unsafe:javax.media.j3d.*&gt;<br /> def &lt;universe&gt; := &lt;unsafe:com.sun.j3d.utils.universe.*&gt;<br /> def &lt;vecmath&gt; := &lt;unsafe:javax.vecmath.*&gt;<br /> def pi := (-1.0).acos()<br /> <br /> <br /> def createSceneGraph() { # :BranchGroup<br /> # Create the root of the branch graph<br /> def objRoot := &lt;j3d:makeBranchGroup&gt;();<br /> <br /> # 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 /> def objTrans := &lt;j3d:makeTransformGroup&gt;();<br /> objTrans.setCapability(&lt;j3d:makeTransformGroup&gt;.getALLOW_TRANSFORM_WRITE());<br /> objRoot.addChild(objTrans);<br /> <br /> # Create a simple Shape3D node; add it to the scene graph.<br /> objTrans.addChild(&lt;unsafe:com.sun.j3d.utils.geometry.makeColorCube&gt;(0.4));<br /> <br /> # 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 /> def yAxis := &lt;j3d:makeTransform3D&gt;();<br /> def rotationAlpha := &lt;j3d:makeAlpha&gt;(-1, 4000);<br /> <br /> def rotator :=<br /> &lt;j3d:makeRotationInterpolator&gt;(rotationAlpha, objTrans, yAxis,<br /> 0.0, pi*2);<br /> def bounds :=<br /> &lt;j3d:makeBoundingSphere&gt;(&lt;vecmath:makePoint3d&gt;(0.0,0.0,0.0), 100.0);<br /> rotator.setSchedulingBounds(bounds);<br /> objRoot.addChild(rotator);<br /> <br /> # Have Java 3D perform optimizations on this scene graph.<br /> objRoot.compile();<br /> <br /> return objRoot;<br /> } <br /> <br /> def canvas := &lt;j3d:makeCanvas3D&gt;(&lt;universe:makeSimpleUniverse&gt;.getPreferredConfiguration())<br /> <br /> def univ := &lt;universe:makeSimpleUniverse&gt;(canvas)<br /> univ.getViewingPlatform().setNominalViewingTransform()<br /> univ.getViewer().getView().setMinimumFrameCycleTime(5)<br /> <br /> <br /> # Canvas3D is an AWT component so it doesn't have a preferredSize<br /> def swingContainer := JPanel`$canvas`<br /> swingContainer.setPreferredSize(&lt;awt:makeDimension&gt;(250, 250))<br /> <br /> def frame := &lt;swing:makeJFrame&gt;(&quot;3d&quot;)<br /> frame.getContentPane().&quot;add(Component)&quot;(swingContainer)<br /> <br /> def scene := createSceneGraph();<br /> univ.addBranchGraph(scene);<br /> <br /> frame.pack()<br /> frame.show()<br /> interp.blockAtTop()</div>

Kevin Reid