204 lines
6.2 KiB
Java
Executable File
204 lines
6.2 KiB
Java
Executable File
/*******************************************************************************
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* Copyright (c) 2011 LWJGL Project and others
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html, and under the terms of the
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* BSD license, see http://lwjgl.org/license.php for details.
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*
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* Contributors:
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* Jens von Pilgrim - initial implementation
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******************************************************************************/
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package org.lwjgl.info;
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import org.eclipse.core.runtime.IBundleGroup;
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import org.eclipse.core.runtime.IBundleGroupProvider;
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import org.eclipse.core.runtime.Platform;
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import org.eclipse.jface.action.IStatusLineManager;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.opengl.GLCanvas;
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import org.eclipse.swt.opengl.GLData;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Event;
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import org.eclipse.swt.widgets.Listener;
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import org.eclipse.ui.part.ViewPart;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.opengl.GL11;
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import org.lwjgl.opengl.GLContext;
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import org.lwjgl.util.glu.GLU;
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/**
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* Simple view for testing whether LWJGL is installed correctly on your
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* system.
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* The example is based on
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* <a href="http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet195.java?view=markup&content-type=text%2Fvnd.viewcvs-markup&revision=HEAD">snippet 195</a>.
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*
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* @author Jens von Pilgrim
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* @version $Revision$
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* @since 16.07.2007
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* @headurl $HeadURL$
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*/
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public class LWJGLTestView extends ViewPart {
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GLCanvas canvas;
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FpsStatusLineItem fpsstatuslineitem;
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static String getFeatureVersion(String myFeatureId) {
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IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
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if (providers != null) {
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for (int i = 0; i < providers.length; ++i) {
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IBundleGroup[] bundleGroups = providers[i].getBundleGroups();
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for (IBundleGroup bg : bundleGroups) {
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if (bg.getIdentifier().equals(myFeatureId)) {
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return bg.getVersion();
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}
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}
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}
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}
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return "Feature not found";
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}
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/**
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* {@inheritDoc}
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* @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
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*/
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@Override
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public void createPartControl(Composite parent) {
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String strVersion = getFeatureVersion("org.lwjgl");
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this.setPartName("org.lwjgl " + strVersion);
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IStatusLineManager statusLine = this.getViewSite().getActionBars()
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.getStatusLineManager();
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fpsstatuslineitem = new FpsStatusLineItem();
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statusLine.add(fpsstatuslineitem);
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GLData data = new GLData();
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data.doubleBuffer = true;
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canvas = new GLCanvas(parent, SWT.NONE, data);
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canvas.setCurrent();
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try {
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GLContext.useContext(canvas);
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} catch (LWJGLException e) {
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e.printStackTrace();
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}
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canvas.addListener(SWT.Resize, new Listener() {
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public void handleEvent(Event event) {
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Rectangle bounds = canvas.getBounds();
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float fAspect = (float) bounds.width / (float) bounds.height;
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canvas.setCurrent();
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try {
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GLContext.useContext(canvas);
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} catch (LWJGLException e) {
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e.printStackTrace();
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}
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GL11.glViewport(0, 0, bounds.width, bounds.height);
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GL11.glMatrixMode(GL11.GL_PROJECTION);
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GL11.glLoadIdentity();
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GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
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GL11.glMatrixMode(GL11.GL_MODELVIEW);
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GL11.glLoadIdentity();
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}
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});
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GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
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GL11.glColor3f(1.0f, 0.0f, 0.0f);
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GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
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GL11.glClearDepth(1.0);
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GL11.glLineWidth(2);
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GL11.glEnable(GL11.GL_DEPTH_TEST);
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Display.getCurrent().asyncExec(initRunnable());
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}
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/**
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* {@inheritDoc}
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* @see org.eclipse.ui.part.WorkbenchPart#setFocus()
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*/
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@Override
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public void setFocus() {
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canvas.setFocus();
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}
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static void drawTorus(float r, float R, int nsides, int rings) {
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float ringDelta = 2.0f * (float) Math.PI / rings;
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float sideDelta = 2.0f * (float) Math.PI / nsides;
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float theta = 0.0f, cosTheta = 1.0f, sinTheta = 0.0f;
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for (int i = rings - 1; i >= 0; i--) {
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float theta1 = theta + ringDelta;
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float cosTheta1 = (float) Math.cos(theta1);
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float sinTheta1 = (float) Math.sin(theta1);
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GL11.glBegin(GL11.GL_QUAD_STRIP);
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float phi = 0.0f;
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for (int j = nsides; j >= 0; j--) {
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phi += sideDelta;
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float cosPhi = (float) Math.cos(phi);
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float sinPhi = (float) Math.sin(phi);
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float dist = R + r * cosPhi;
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GL11
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.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi,
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sinPhi);
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GL11
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.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r
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* sinPhi);
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GL11.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
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GL11.glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi);
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}
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GL11.glEnd();
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theta = theta1;
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cosTheta = cosTheta1;
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sinTheta = sinTheta1;
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}
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}
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Runnable initRunnable() {
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return new Runnable() {
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int rot = 0;
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public void run() {
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if (!canvas.isDisposed() && canvas.isVisible()) {
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fpsstatuslineitem.renderPassStarted();
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canvas.setCurrent();
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try {
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GLContext.useContext(canvas);
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} catch (LWJGLException e) {
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e.printStackTrace();
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}
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GL11.glClear(GL11.GL_COLOR_BUFFER_BIT
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| GL11.GL_DEPTH_BUFFER_BIT);
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GL11.glClearColor(.2f, .7f, .2f, 1.0f);
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GL11.glLoadIdentity();
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GL11.glTranslatef(0.0f, 0.0f, -10.0f);
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float frot = rot;
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GL11
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.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot,
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1.0f);
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GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
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rot++;
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GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
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GL11.glColor3f(0.9f, 0.9f, 0.9f);
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drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))),
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15, 15);
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canvas.swapBuffers();
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fpsstatuslineitem.renderPassFinished();
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Display.getCurrent().asyncExec(this);
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}
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}
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};
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}
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}
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