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-rw-r--r-- | examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet195.java | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet195.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet195.java deleted file mode 100644 index b3758ad0fb..0000000000 --- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet195.java +++ /dev/null @@ -1,134 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2005 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.snippets; - -/* - * SWT OpenGL snippet: use LWJGL to draw to an SWT GLCanvas - * - * For a list of all SWT example snippets see - * http://www.eclipse.org/swt/snippets/ - * - * @since 3.2 - */ -import org.eclipse.swt.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.opengl.GLCanvas; -import org.eclipse.swt.opengl.GLData; -import org.lwjgl.opengl.GL11; -import org.lwjgl.opengl.GLContext; -import org.lwjgl.opengl.glu.GLU; -import org.lwjgl.LWJGLException; - -public class Snippet195 { - static void drawTorus(float r, float R, int nsides, int rings) { - float ringDelta = 2.0f * (float) Math.PI / rings; - float sideDelta = 2.0f * (float) Math.PI / nsides; - float theta = 0.0f, cosTheta = 1.0f, sinTheta = 0.0f; - for (int i = rings - 1; i >= 0; i--) { - float theta1 = theta + ringDelta; - float cosTheta1 = (float) Math.cos(theta1); - float sinTheta1 = (float) Math.sin(theta1); - GL11.glBegin(GL11.GL_QUAD_STRIP); - float phi = 0.0f; - for (int j = nsides; j >= 0; j--) { - phi += sideDelta; - float cosPhi = (float) Math.cos(phi); - float sinPhi = (float) Math.sin(phi); - float dist = R + r * cosPhi; - GL11.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); - GL11.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); - GL11.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); - GL11.glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); - } - GL11.glEnd(); - theta = theta1; - cosTheta = cosTheta1; - sinTheta = sinTheta1; - } - } - - public static void main(String [] args) { - final Display display = new Display(); - Shell shell = new Shell(display); - shell.setLayout(new FillLayout()); - Composite comp = new Composite(shell, SWT.NONE); - comp.setLayout(new FillLayout()); - GLData data = new GLData (); - data.doubleBuffer = true; - final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data); - - canvas.setCurrent(); - try { - GLContext.useContext(canvas); - } catch(LWJGLException e) { e.printStackTrace(); } - - canvas.addListener(SWT.Resize, new Listener() { - public void handleEvent(Event event) { - Rectangle bounds = canvas.getBounds(); - float fAspect = (float) bounds.width / (float) bounds.height; - canvas.setCurrent(); - try { - GLContext.useContext(canvas); - } catch(LWJGLException e) { e.printStackTrace(); } - GL11.glViewport(0, 0, bounds.width, bounds.height); - GL11.glMatrixMode(GL11.GL_PROJECTION); - GL11.glLoadIdentity(); - GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f); - GL11.glMatrixMode(GL11.GL_MODELVIEW); - GL11.glLoadIdentity(); - } - }); - - GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f); - GL11.glColor3f(1.0f, 0.0f, 0.0f); - GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST); - GL11.glClearDepth(1.0); - GL11.glLineWidth(2); - GL11.glEnable(GL11.GL_DEPTH_TEST); - - shell.setText("SWT/LWJGL Example"); - shell.setSize(640, 480); - shell.open(); - - display.asyncExec(new Runnable() { - int rot = 0; - public void run() { - if (!canvas.isDisposed()) { - canvas.setCurrent(); - try { - GLContext.useContext(canvas); - } catch(LWJGLException e) { e.printStackTrace(); } - GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT); - GL11.glClearColor(.3f, .5f, .8f, 1.0f); - GL11.glLoadIdentity(); - GL11.glTranslatef(0.0f, 0.0f, -10.0f); - float frot = rot; - GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f); - GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f); - rot++; - GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE); - GL11.glColor3f(0.9f, 0.9f, 0.9f); - drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15); - canvas.swapBuffers(); - display.asyncExec(this); - } - } - }); - - while (!shell.isDisposed()) { - if (!display.readAndDispatch()) - display.sleep(); - } - display.dispose(); - } -} |