Merge pull request #7 from toruwest/master

Test case of how to use instanced rendering.

1 files changed, 110 insertions, 0 deletions

diff --git a/src/demos/instancedRendering/ManyTriangleInstanced.java b/src/demos/instancedRendering/ManyTriangleInstanced.java
new file mode 100644
index 0000000..c236f86
--- /dev/null
+++ b/src/demos/instancedRendering/ManyTriangleInstanced.java
@@ -0,0 +1,110 @@
+/**
+ * Copyright 2014 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package demos.instancedRendering;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.event.MouseWheelEvent;
+import java.awt.event.MouseWheelListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLProfile;
+import javax.media.opengl.awt.GLCanvas;
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+
+import com.jogamp.opengl.util.FPSAnimator;
+
+public class ManyTriangleInstanced implements IInstancedRenderingView {
+
+	private final JFrame frame;
+	private final FPSAnimator animator;
+	private final GLCanvas panel;
+	private final Dimension dim = new Dimension(1024, 768);
+
+	protected float winScale = 0.1f;
+	private static final float WIN_SCALE_MIN = 1e-3f;
+	private static final float WIN_SCALE_MAX = 100f;
+
+	private final TrianglesInstancedRendererHardcoded renderer;
+
+	public static void main(String[] args){
+		SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				new ManyTriangleInstanced();
+			}
+		});
+	}
+
+	public ManyTriangleInstanced() {
+		renderer = new TrianglesInstancedRendererHardcoded(this);
+
+		frame = new JFrame(this.getClass().getSimpleName());
+		frame.setLayout(new BorderLayout());
+		frame.addWindowListener(new WindowAdapter() {
+			@Override
+			public void windowClosing(WindowEvent e) {
+				animator.stop();
+				System.exit(0);
+			}
+		});
+		panel = new GLCanvas(new GLCapabilities(GLProfile.get(GLProfile.GL4)));
+		panel.addGLEventListener(renderer);
+
+		frame.addMouseWheelListener(new MouseWheelListener() {
+
+			@Override
+			public void mouseWheelMoved(MouseWheelEvent e) {
+				int step = e.getWheelRotation();
+				if(step > 0) {
+					winScale *= 1.05;
+					if(winScale > WIN_SCALE_MAX) winScale = WIN_SCALE_MAX;
+				} else if(0 > step ) {
+					winScale *= 0.95;
+					if(winScale < WIN_SCALE_MIN) winScale = WIN_SCALE_MIN;
+				}
+			}
+		});
+
+		panel.setPreferredSize(dim);
+		frame.add(panel, BorderLayout.CENTER);
+		frame.pack();
+		frame.setVisible(true);
+		animator = new FPSAnimator(panel, 60, true);
+		animator.start();
+	}
+
+	@Override
+	public float getScale() {
+		return winScale;
+	}
+}