diff examples/java3d/hello11.java @ 1:5df24c91468d

Oh my what a mess.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/java3d/hello11.java	Fri Apr 05 16:26:00 2019 +0100
@@ -0,0 +1,105 @@
+/*
+		hello6.java
+
+		Construct universe without using SimpleUniverse 
+		utility class - this puts together the view
+		group explicitly.
+
+		Now has dynamically creatable views.
+		Have to construct views on BranchGroups so they
+		can be added while universe is live?	
+
+		immediate mode
+ */
+
+import samer.core.*;
+import samer.core.types.*;
+import samer.tools.*;
+
+import java.awt.event.*;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+
+public class hello11 extends util implements Agent
+{
+	// create universe
+	LocalUniverse	U=new LocalUniverse();
+	BranchGroup		root=new BranchGroup();
+	TaskThread		tasks=new TaskThread();
+	Geometry		geom;
+	Appearance		app;
+				
+	public static void main(String[] arse) { 
+		init(); new hello11(); 
+		Shell.interpret("expose");
+	}
+
+	public hello11()
+	{		
+		// create scene
+		geom = yoyoGeometryInfo(128).getGeometryArray();
+		app  = pointy2();
+
+		root.addChild(new TransformGroup());
+		root.addChild(new view("view"));
+		root.setCapability(Group.ALLOW_CHILDREN_EXTEND);
+		root.setCapability(Group.ALLOW_CHILDREN_WRITE);
+		root.compile();
+		
+		U.addGroup(root);
+
+		Shell.registerAgent(this);
+		Shell.exposeCommands(this);
+	}
+
+	public void getCommands(Agent.Registry r) { r.add("view"); }
+
+	public void execute(String cmd, Environment env) throws Exception
+	{
+		if (cmd.equals("view")) { 
+			root.addChild(new view(X.string(env.datum("name"),"view")));
+		}
+	}
+
+
+	private class view extends Viewer implements Task
+	{
+		GraphicsContext3D	gc;
+		float				angle=0;
+		Transform3D			mt=new Transform3D();
+		VDouble				speed;
+
+		public view(String name)
+		{
+			super( name); // great mate
+			// lookFrom(new Point3d(0,0,8),new Vector3d(0,1,0));
+			canvas.stopRenderer();
+			tasks.addTask(this);
+
+			Shell.push(node);
+			speed=new VDouble("speed",0.1);
+			Shell.pop();
+		}
+
+		public void run()
+		{
+			mt.rotY(angle+=speed.value);
+			gc.clear();
+			gc.setModelTransform(mt);
+			gc.draw(geom);
+			canvas.swap();
+		}
+
+		public void dispose() {
+			tasks.removeTask(this);
+			super.dispose();
+		}
+
+		public void stopping() { Shell.print("view stopping"); }
+		public void starting() { 
+			Shell.print("view starting"); 
+		    if (gc==null) gc = canvas.getGraphicsContext3D();
+		    gc.setAppearance(app);
+		}
+	}
+}
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