New Overlay2D example for use of the Graphics2D of Canvas3D

4 files changed, 290 insertions, 31 deletions

diff --git a/src/classes/org/jdesktop/j3d/examples/Resources.java b/src/classes/org/jdesktop/j3d/examples/Resources.java
index 4010201..a50a188 100644
--- a/src/classes/org/jdesktop/j3d/examples/Resources.java
+++ b/src/classes/org/jdesktop/j3d/examples/Resources.java
@@ -51,34 +51,40 @@ import java.net.URL;
 /**
  * 
  */
-public class Resources {
-    
-    /**
-     * Do not construct an instance of this class.
-     */
-    private Resources() {
-        
-    }
+public class Resources
+{
 
-    /**
-     * Return the URL of the filename under the resources directory
-     */
-    public static URL getResource(String filename) {    
-         URL url = Resources.class.getClassLoader().getResource(filename); 
-         
-         if(url == null)
-         {
-        	try
+	/**
+	 * Do not construct an instance of this class.
+	 */
+	private Resources()
+	{
+
+	}
+
+	/**
+	 * Return the URL of the filename under the resources directory
+	 */
+	public static URL getResource(String filename)
+	{
+		URL url = Resources.class.getClassLoader().getResource(filename);
+
+		if (url == null)
+		{
+			try
 			{
-				url = new File(System.getProperty("user.dir") + "/src/classes/org/jdesktop/j3d/examples/"+filename).toURL();
+				File f = new File(System.getProperty("user.dir") + "/src/" + filename);
+				if (!f.exists())
+					f = new File(System.getProperty("user.dir") + "/src/classes/org/jdesktop/j3d/examples/" + filename);
+
+				url = f.toURL();
 			}
 			catch (MalformedURLException e)
 			{
 				e.printStackTrace();
 			}
-         }
-         return url;
-    }
-    
-    
+		}
+		return url;
+	}
+
 }
diff --git a/src/classes/org/jdesktop/j3d/examples/gl2es2pipeline/SamplerTestGLSL.java b/src/classes/org/jdesktop/j3d/examples/gl2es2pipeline/SamplerTestGLSL.java
index c641095..11bfeeb 100644
--- a/src/classes/org/jdesktop/j3d/examples/gl2es2pipeline/SamplerTestGLSL.java
+++ b/src/classes/org/jdesktop/j3d/examples/gl2es2pipeline/SamplerTestGLSL.java
@@ -48,9 +48,6 @@ import java.awt.GraphicsConfiguration;
 import java.io.File;
 import java.io.IOException;
 import java.net.URL;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.FloatBuffer;
 
 import javax.swing.JOptionPane;
 
@@ -60,8 +57,6 @@ import org.jogamp.java3d.BoundingSphere;
 import org.jogamp.java3d.BranchGroup;
 import org.jogamp.java3d.Canvas3D;
 import org.jogamp.java3d.GLSLShaderProgram;
-import org.jogamp.java3d.GeometryArray;
-import org.jogamp.java3d.J3DBuffer;
 import org.jogamp.java3d.RotationInterpolator;
 import org.jogamp.java3d.Shader;
 import org.jogamp.java3d.ShaderAppearance;
@@ -72,19 +67,16 @@ import org.jogamp.java3d.ShaderError;
 import org.jogamp.java3d.ShaderErrorListener;
 import org.jogamp.java3d.ShaderProgram;
 import org.jogamp.java3d.SourceCodeShader;
-import org.jogamp.java3d.TexCoordGeneration;
 import org.jogamp.java3d.Texture;
 import org.jogamp.java3d.TextureUnitState;
 import org.jogamp.java3d.Transform3D;
 import org.jogamp.java3d.TransformGroup;
-import org.jogamp.java3d.TriangleStripArray;
 import org.jogamp.java3d.utils.geometry.Sphere;
 import org.jogamp.java3d.utils.image.TextureLoader;
 import org.jogamp.java3d.utils.shader.StringIO;
 import org.jogamp.java3d.utils.universe.SimpleUniverse;
 import org.jogamp.java3d.utils.universe.ViewingPlatform;
 import org.jogamp.vecmath.Point3d;
-import org.jogamp.vecmath.Vector4f;
 
 public class SamplerTestGLSL extends javax.swing.JFrame
 {
diff --git a/src/classes/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java b/src/classes/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java
new file mode 100644
index 0000000..f0e20cb
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java
@@ -0,0 +1,60 @@
+/*

+ * Copyright (c) 2016 JogAmp Community. All rights reserved.

+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

+ *

+ * This code is free software; you can redistribute it and/or modify it

+ * under the terms of the GNU General Public License version 2 only, as

+ * published by the Free Software Foundation. Sun designates this

+ * particular file as subject to the "Classpath" exception as provided

+ * by Sun in the LICENSE file that accompanied this code.

+ *

+ * This code is distributed in the hope that it will be useful, but WITHOUT

+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

+ * version 2 for more details (a copy is included in the LICENSE file that

+ * accompanied this code).

+ *

+ * You should have received a copy of the GNU General Public License version

+ * 2 along with this work; if not, write to the Free Software Foundation,

+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

+ *

+ */

+

+package org.jdesktop.j3d.examples.overlay2d;

+

+import java.awt.GraphicsConfiguration;

+

+import org.jogamp.java3d.Canvas3D;

+import org.jogamp.java3d.J3DGraphics2D;

+

+/**

+ * This is an extension to the Canvas3D with the postRender method overridden to draw some things on the 

+ * 2DGraphics of the Canvas3D 

+ */

+public class Canvas3D2D extends Canvas3D

+{

+

+	public Canvas3D2D(GraphicsConfiguration gc)

+	{

+		super(gc);

+	}

+

+	@Override

+	public void postRender()

+	{

+		J3DGraphics2D g = getGraphics2D();

+

+		// draw a cross hair

+		g.drawLine((this.getWidth() / 2) - 5, (this.getHeight() / 2), (this.getWidth() / 2) + 5, (this.getHeight() / 2));

+		g.drawLine((this.getWidth() / 2), (this.getHeight() / 2) - 5, (this.getWidth() / 2), (this.getHeight() / 2) + 5);

+

+		g.drawString("This is an example String", 50, 20);

+

+		// etc e.g.

+		//g.drawImage(getBufferedImage(), 10, 50, null);

+

+		g.flush(false);

+

+	}

+

+}
\ No newline at end of file
diff --git a/src/classes/org/jdesktop/j3d/examples/overlay2d/Overlay2D.java b/src/classes/org/jdesktop/j3d/examples/overlay2d/Overlay2D.java
new file mode 100644
index 0000000..adf4d8f
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/overlay2d/Overlay2D.java
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2016 JogAmp Community. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+package org.jdesktop.j3d.examples.overlay2d;
+
+import java.awt.GraphicsConfiguration;
+import java.net.URL;
+
+import org.jdesktop.j3d.examples.Resources;
+import org.jogamp.java3d.Alpha;
+import org.jogamp.java3d.Appearance;
+import org.jogamp.java3d.BoundingSphere;
+import org.jogamp.java3d.BranchGroup;
+import org.jogamp.java3d.GeometryArray;
+import org.jogamp.java3d.PolygonAttributes;
+import org.jogamp.java3d.RotationInterpolator;
+import org.jogamp.java3d.Shape3D;
+import org.jogamp.java3d.Texture;
+import org.jogamp.java3d.TextureAttributes;
+import org.jogamp.java3d.Transform3D;
+import org.jogamp.java3d.TransformGroup;
+import org.jogamp.java3d.TriangleArray;
+import org.jogamp.java3d.utils.image.TextureLoader;
+import org.jogamp.java3d.utils.universe.SimpleUniverse;
+import org.jogamp.vecmath.Color3f;
+import org.jogamp.vecmath.Point3d;
+import org.jogamp.vecmath.Point3f;
+import org.jogamp.vecmath.TexCoord2f;
+import org.jogamp.vecmath.Vector3f;
+
+/**
+ * Simple Java 3D example program to show use of the 2DGraphics overlay.
+ */
+public class Overlay2D extends javax.swing.JFrame
+{
+
+	private SimpleUniverse univ = null;
+	private BranchGroup scene = null;
+
+	public BranchGroup createSceneGraph()
+	{
+		final BranchGroup objRoot = new BranchGroup();
+
+		// Create a triangle with each point a different color.  Remember to
+		// draw the points in counter-clockwise order.  That is the default
+		// way of determining which is the front of a polygon.
+		//        o (1)
+		//       / \
+		//      /   \
+		// (2) o-----o (0)
+		Shape3D shape = new Shape3D();
+		TriangleArray tri = new TriangleArray(3, GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.TEXTURE_COORDINATE_2);
+		tri.setCoordinate(0, new Point3f(0.5f, 0.0f, 0.0f));
+		tri.setCoordinate(1, new Point3f(0.0f, 0.5f, 0.0f));
+		tri.setCoordinate(2, new Point3f(-0.5f, 0.0f, 0.0f));
+		tri.setColor(0, new Color3f(1.0f, 0.0f, 0.0f));
+		tri.setColor(1, new Color3f(0.0f, 1.0f, 0.0f));
+		tri.setColor(2, new Color3f(0.0f, 0.0f, 1.0f));
+		tri.setTextureCoordinate(0, 0, new TexCoord2f(1.0f, 0.0f));
+		tri.setTextureCoordinate(0, 1, new TexCoord2f(0.0f, 1.0f));
+		tri.setTextureCoordinate(0, 2, new TexCoord2f(0.0f, 0.0f));
+
+		// Because we're about to spin this triangle, be sure to draw
+		// backfaces.  If we don't, the back side of the triangle is invisible.
+		Appearance ap = new Appearance();
+		PolygonAttributes pa = new PolygonAttributes();
+		pa.setCullFace(PolygonAttributes.CULL_NONE);
+		ap.setPolygonAttributes(pa);
+
+		// Add a transformed texture to the cube, for interest sake					
+		URL earthURL = Resources.getResource("resources/images/earth.jpg");
+		Texture earthTex = new TextureLoader(earthURL, this).getTexture();
+		ap.setTexture(earthTex);
+
+		TextureAttributes textureAttributes = new TextureAttributes();
+		Transform3D textureTransform = new Transform3D();
+		textureTransform.rotZ(Math.PI / 3f);
+		textureTransform.setTranslation(new Vector3f(10, 1, 0));
+		textureAttributes.setTextureTransform(textureTransform);
+
+		ap.setTextureAttributes(textureAttributes);
+
+		shape.setAppearance(ap);
+
+		// Set up a simple RotationInterpolator
+		BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 5.0);
+		TransformGroup tg = new TransformGroup();
+		Transform3D yAxis = new Transform3D();
+		Alpha rotationAlpha = new Alpha(-1, 4000);
+		tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+		RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, tg, yAxis, 0.0f, (float) Math.PI * 2.0f);
+		rotator.setSchedulingBounds(bounds);
+
+		shape.setGeometry(tri);
+		tg.addChild(rotator);
+		tg.addChild(shape);
+		objRoot.addChild(tg);
+		objRoot.compile();
+		return objRoot;
+
+	}
+
+	private Canvas3D2D createUniverse()
+	{
+		// Get the preferred graphics configuration for the default screen
+		GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
+
+		// Create a Canvas3D using the preferred configuration
+		Canvas3D2D c = new Canvas3D2D(config);
+
+		// Create simple universe with view branch
+		univ = new SimpleUniverse(c);
+
+		// This will move the ViewPlatform back a bit so the
+		// objects in the scene can be viewed.
+		univ.getViewingPlatform().setNominalViewingTransform();
+
+		// Ensure at least 5 msec per frame (i.e., < 200Hz)
+		univ.getViewer().getView().setMinimumFrameCycleTime(5);
+
+		return c;
+	}
+
+	public Overlay2D()
+	{
+		// Initialize the GUI components
+		initComponents();
+
+		// Create Canvas3D and SimpleUniverse; add canvas to drawing panel
+		Canvas3D2D c = createUniverse();
+		drawingPanel.add(c, java.awt.BorderLayout.CENTER);
+
+		// Create the content branch and add it to the universe
+		scene = createSceneGraph();
+		univ.addBranchGraph(scene);
+	}
+
+	// ----------------------------------------------------------------
+
+	/** This method is called from within the constructor to
+	 * initialize the form.
+	 * WARNING: Do NOT modify this code. The content of this method is
+	 * always regenerated by the Form Editor.
+	 */
+	// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
+	private void initComponents()
+	{
+		drawingPanel = new javax.swing.JPanel();
+
+		setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+		setTitle("Overlay2D");
+		drawingPanel.setLayout(new java.awt.BorderLayout());
+
+		drawingPanel.setPreferredSize(new java.awt.Dimension(250, 250));
+		getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);
+
+		pack();
+	}// </editor-fold>//GEN-END:initComponents
+
+	/**
+	 * @param args the command line arguments
+	 */
+	public static void main(String args[])
+	{
+
+		System.setProperty("sun.awt.noerasebackground", "true");
+		//System.setProperty("j3d.rend", "jogl2es2");
+
+		java.awt.EventQueue.invokeLater(new Runnable() {
+			@Override
+			public void run()
+			{
+				new Overlay2D().setVisible(true);
+			}
+		});
+	}
+
+	// Variables declaration - do not modify//GEN-BEGIN:variables
+	private javax.swing.JPanel drawingPanel;
+	// End of variables declaration//GEN-END:variables
+
+}