Mercurial > projects > dwt2
annotate org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet195.d @ 124:6f2199435268
fixed snippet 217 and OpenGL snippets
| author | Denis Shelomovskij <verylonglogin.reg@gmail.com> |
|---|---|
| date | Thu, 11 Aug 2011 19:28:27 +0300 |
| parents | 536e43f63c81 |
| children |
| rev | line source |
|---|---|
| 28 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2005 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D Programming Language: | |
| 11 * John Reimer <terminal.node@gmail.com> | |
| 12 *******************************************************************************/ | |
| 13 | |
| 14 module org.eclipse.swt.snippets.Snippet195; | |
| 15 | |
| 16 /* | |
| 17 * SWT OpenGL snippet: based on snippet195.java | |
| 18 * | |
| 19 * For a list of all SWT example snippets see | |
| 20 * http://www.eclipse.org/swt/snippets/ | |
| 21 * | |
| 22 * @since 3.2 | |
| 23 */ | |
| 24 | |
| 25 import org.eclipse.swt.SWT; | |
| 26 | |
| 27 import org.eclipse.swt.layout.FillLayout; | |
| 28 import org.eclipse.swt.widgets.Shell; | |
| 29 import org.eclipse.swt.widgets.Display; | |
| 30 import org.eclipse.swt.widgets.Event; | |
| 31 import org.eclipse.swt.widgets.Composite; | |
| 32 import org.eclipse.swt.widgets.Listener; | |
| 33 import org.eclipse.swt.graphics.Rectangle; | |
| 34 import org.eclipse.swt.opengl.GLCanvas; | |
| 35 import org.eclipse.swt.opengl.GLData; | |
| 36 | |
|
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37 import java.lang.all; |
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38 |
| 28 | 39 import derelict.opengl.gl; |
| 40 import derelict.opengl.glu; | |
| 41 | |
| 112 | 42 version(Tango){ |
| 43 import Math = tango.math.Math; | |
| 44 } else { // Phobos | |
| 45 import Math = std.math; | |
| 46 } | |
| 28 | 47 |
| 48 void drawTorus(float r, float R, int nsides, int rings) | |
| 49 { | |
| 50 float ringDelta = 2.0f * cast(float) Math.PI / rings; | |
| 51 float sideDelta = 2.0f * cast(float) Math.PI / nsides; | |
| 52 float theta = 0.0f, cosTheta = 1.0f, sinTheta = 0.0f; | |
| 53 for (int i = rings - 1; i >= 0; i--) { | |
| 54 float theta1 = theta + ringDelta; | |
| 55 float cosTheta1 = cast(float) Math.cos(theta1); | |
| 56 float sinTheta1 = cast(float) Math.sin(theta1); | |
| 57 glBegin(GL_QUAD_STRIP); | |
| 58 float phi = 0.0f; | |
| 59 for (int j = nsides; j >= 0; j--) { | |
| 60 phi += sideDelta; | |
| 61 float cosPhi = cast(float) Math.cos(phi); | |
| 62 float sinPhi = cast(float) Math.sin(phi); | |
| 63 float dist = R + r * cosPhi; | |
| 64 glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); | |
| 65 glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); | |
| 66 glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); | |
| 67 glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); | |
| 68 } | |
| 69 glEnd(); | |
| 70 theta = theta1; | |
| 71 cosTheta = cosTheta1; | |
| 72 sinTheta = sinTheta1; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 void main() | |
| 77 { | |
| 78 DerelictGL.load(); | |
| 79 DerelictGLU.load(); | |
| 80 | |
| 81 Display display = new Display(); | |
| 82 Shell shell = new Shell(display); | |
| 83 shell.setLayout(new FillLayout()); | |
| 84 Composite comp = new Composite(shell, SWT.NONE); | |
| 85 comp.setLayout(new FillLayout()); | |
| 86 GLData data = new GLData (); | |
| 87 data.doubleBuffer = true; | |
| 88 GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data); | |
| 89 | |
| 90 canvas.setCurrent(); | |
| 91 | |
|
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92 canvas.addListener(SWT.Resize, new class Listener { |
| 28 | 93 public void handleEvent(Event event) { |
| 94 Rectangle bounds = canvas.getBounds(); | |
| 95 float fAspect = cast(float) bounds.width / cast(float) bounds.height; | |
| 96 | |
| 97 glViewport(0, 0, bounds.width, bounds.height); | |
| 98 glMatrixMode(GL_PROJECTION); | |
| 99 glLoadIdentity(); | |
| 100 gluPerspective(45.0f, fAspect, 0.5f, 400.0f); | |
| 101 glMatrixMode(GL_MODELVIEW); | |
| 102 glLoadIdentity(); | |
| 103 } | |
| 104 }); | |
| 105 | |
| 106 glClearColor(1.0f, 1.0f, 1.0f, 1.0f); | |
| 107 glColor3f(1.0f, 0.0f, 0.0f); | |
| 108 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); | |
| 109 glClearDepth(1.0); | |
| 110 glLineWidth(2); | |
| 111 glEnable(GL_DEPTH_TEST); | |
| 112 | |
| 113 shell.setText("SWT/DerelictGL Example"); | |
| 114 shell.setSize(640, 480); | |
| 115 shell.open(); | |
| 116 | |
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117 display.asyncExec(new class Runnable { |
| 28 | 118 int rot = 0; |
| 119 public void run() { | |
| 120 if (!canvas.isDisposed()) { | |
| 121 canvas.setCurrent(); | |
| 122 | |
| 123 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 124 glClearColor(.3f, .5f, .8f, 1.0f); | |
| 125 glLoadIdentity(); | |
| 126 glTranslatef(0.0f, 0.0f, -10.0f); | |
| 127 float frot = rot; | |
| 128 glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f); | |
| 129 glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f); | |
| 130 rot++; | |
| 131 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); | |
| 132 glColor3f(0.9f, 0.9f, 0.9f); | |
| 133 drawTorus(1, 1.9f + (cast(float) Math.sin((0.004f * frot))), 15, 15); | |
| 134 canvas.swapBuffers(); | |
| 135 display.asyncExec(this); | |
| 136 } | |
| 137 } | |
| 138 }); | |
| 139 | |
| 140 while (!shell.isDisposed()) { | |
| 141 if (!display.readAndDispatch()) | |
| 142 display.sleep(); | |
| 143 } | |
| 144 display.dispose(); | |
| 145 } | |
| 146 |