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Diffstat (limited to 'src/net/java/games/jogl/impl/Project.java')
| -rwxr-xr-x | src/net/java/games/jogl/impl/Project.java | 592 |
1 files changed, 0 insertions, 592 deletions
diff --git a/src/net/java/games/jogl/impl/Project.java b/src/net/java/games/jogl/impl/Project.java deleted file mode 100755 index 90770309f..000000000 --- a/src/net/java/games/jogl/impl/Project.java +++ /dev/null @@ -1,592 +0,0 @@ -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 1.1 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** $Date$ $Revision$ -** $Header$ -*/ - -/* - * Copyright (c) 2002-2004 LWJGL Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * 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. - * - * * Neither the name of 'LWJGL' nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 THE COPYRIGHT OWNER 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. - */ - -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution 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. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - */ -package net.java.games.jogl.impl; - -import net.java.games.jogl.*; -import net.java.games.jogl.util.*; - -import java.nio.DoubleBuffer; - -/** - * Project.java - * <p/> - * <p/> - * Created 11-jan-2004 - * - * @author Erik Duijs - * @author Kenneth Russell - */ -class Project { - private static final double[] IDENTITY_MATRIX = - new double[] { - 1.0, 0.0, 0.0, 0.0, - 0.0, 1.0, 0.0, 0.0, - 0.0, 0.0, 1.0, 0.0, - 0.0, 0.0, 0.0, 1.0 }; - - private final DoubleBuffer matrix = BufferUtils.newDoubleBuffer(16); - private final double[] finalMatrix = new double[16]; - - private final double[][] tempMatrix = new double[4][4]; - private final double[] in = new double[4]; - private final double[] out = new double[4]; - - private final double[] forward = new double[3]; - private final double[] side = new double[3]; - private final double[] up = new double[3]; - - /** - * Make matrix an identity matrix - */ - private void __gluMakeIdentityd(DoubleBuffer m) { - int oldPos = m.position(); - m.put(IDENTITY_MATRIX); - m.position(oldPos); - } - - private void __gluMakeIdentityd(double[] m) { - for (int i = 0; i < 16; i++) { - m[i] = IDENTITY_MATRIX[i]; - } - } - - /** - * Method __gluMultMatrixVecd - * - * @param matrix - * @param in - * @param out - */ - private void __gluMultMatrixVecd(double[] matrix, double[] in, double[] out) { - for (int i = 0; i < 4; i++) { - out[i] = - in[0] * matrix[0*4+i] + - in[1] * matrix[1*4+i] + - in[2] * matrix[2*4+i] + - in[3] * matrix[3*4+i]; - - } - } - - /** - * @param src - * @param inverse - * - * @return - */ - private boolean __gluInvertMatrixd(double[] src, double[] inverse) { - int i, j, k, swap; - double t; - double[][] temp = tempMatrix; - - for (i = 0; i < 4; i++) { - for (j = 0; j < 4; j++) { - temp[i][j] = src[i*4+j]; - } - } - __gluMakeIdentityd(inverse); - - for (i = 0; i < 4; i++) { - /* - * * Look for largest element in column - */ - swap = i; - for (j = i + 1; j < 4; j++) { - if (Math.abs(temp[j][i]) > Math.abs(temp[i][i])) { - swap = j; - } - } - - if (swap != i) { - /* - * * Swap rows. - */ - for (k = 0; k < 4; k++) { - t = temp[i][k]; - temp[i][k] = temp[swap][k]; - temp[swap][k] = t; - - t = inverse[i*4+k]; - inverse[i*4+k] = inverse[swap*4+k]; - inverse[swap*4+k] = t; - } - } - - if (temp[i][i] == 0) { - /* - * No non-zero pivot. The matrix is singular, which shouldn't - * happen. This means the user gave us a bad matrix. - */ - return false; - } - - t = temp[i][i]; - for (k = 0; k < 4; k++) { - temp[i][k] /= t; - inverse[i*4+k] /= t; - } - for (j = 0; j < 4; j++) { - if (j != i) { - t = temp[j][i]; - for (k = 0; k < 4; k++) { - temp[j][k] -= temp[i][k] * t; - inverse[j*4+k] -= inverse[i*4+k]*t; - } - } - } - } - return true; - } - - /** - * @param a - * @param b - * @param r - */ - private void __gluMultMatricesd(double[] a, double[] b, double[] r) { - for (int i = 0; i < 4; i++) { - for (int j = 0; j < 4; j++) { - r[i*4+j] = - a[i*4+0]*b[0*4+j] + - a[i*4+1]*b[1*4+j] + - a[i*4+2]*b[2*4+j] + - a[i*4+3]*b[3*4+j]; - } - } - } - - /** - * Normalize vector - * - * @param v - */ - private static void normalize(double[] v) { - double r; - - r = Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); - if ( r == 0.0 ) - return; - - r = 1.0 / r; - - v[0] *= r; - v[1] *= r; - v[2] *= r; - - return; - } - - /** - * Calculate cross-product - * - * @param v1 - * @param v2 - * @param result - */ - private static void cross(double[] v1, double[] v2, double[] result) { - result[0] = v1[1] * v2[2] - v1[2] * v2[1]; - result[1] = v1[2] * v2[0] - v1[0] * v2[2]; - result[2] = v1[0] * v2[1] - v1[1] * v2[0]; - } - - /** - * Method gluOrtho2D. - * - * @param left - * @param right - * @param bottom - * @param top - */ - public void gluOrtho2D(GL gl, double left, double right, double bottom, double top) { - gl.glOrtho(left, right, bottom, top, -1, 1); - } - - /** - * Method gluPerspective. - * - * @param fovy - * @param aspect - * @param zNear - * @param zFar - */ - public void gluPerspective(GL gl, double fovy, double aspect, double zNear, double zFar) { - double sine, cotangent, deltaZ; - double radians = fovy / 2 * Math.PI / 180; - - deltaZ = zFar - zNear; - sine = Math.sin(radians); - - if ((deltaZ == 0) || (sine == 0) || (aspect == 0)) { - return; - } - - cotangent = Math.cos(radians) / sine; - - __gluMakeIdentityd(matrix); - - matrix.put(0 * 4 + 0, cotangent / aspect); - matrix.put(1 * 4 + 1, cotangent); - matrix.put(2 * 4 + 2, - (zFar + zNear) / deltaZ); - matrix.put(2 * 4 + 3, -1); - matrix.put(3 * 4 + 2, -2 * zNear * zFar / deltaZ); - matrix.put(3 * 4 + 3, 0); - - gl.glMultMatrixd(matrix); - } - - /** - * Method gluLookAt - * - * @param eyex - * @param eyey - * @param eyez - * @param centerx - * @param centery - * @param centerz - * @param upx - * @param upy - * @param upz - */ - public void gluLookAt(GL gl, - double eyex, - double eyey, - double eyez, - double centerx, - double centery, - double centerz, - double upx, - double upy, - double upz) { - double[] forward = this.forward; - double[] side = this.side; - double[] up = this.up; - - forward[0] = centerx - eyex; - forward[1] = centery - eyey; - forward[2] = centerz - eyez; - - up[0] = upx; - up[1] = upy; - up[2] = upz; - - normalize(forward); - - /* Side = forward x up */ - cross(forward, up, side); - normalize(side); - - /* Recompute up as: up = side x forward */ - cross(side, forward, up); - - __gluMakeIdentityd(matrix); - matrix.put(0 * 4 + 0, side[0]); - matrix.put(1 * 4 + 0, side[1]); - matrix.put(2 * 4 + 0, side[2]); - - matrix.put(0 * 4 + 1, up[0]); - matrix.put(1 * 4 + 1, up[1]); - matrix.put(2 * 4 + 1, up[2]); - - matrix.put(0 * 4 + 2, -forward[0]); - matrix.put(1 * 4 + 2, -forward[1]); - matrix.put(2 * 4 + 2, -forward[2]); - - gl.glMultMatrixd(matrix); - gl.glTranslated(-eyex, -eyey, -eyez); - } - - /** - * Method gluProject - * - * @param objx - * @param objy - * @param objz - * @param modelMatrix - * @param projMatrix - * @param viewport - * @param win_pos - * - * @return - */ - public boolean gluProject(double objx, - double objy, - double objz, - double[] modelMatrix, - double[] projMatrix, - int[] viewport, - double[] win_pos) { - - double[] in = this.in; - double[] out = this.out; - - in[0] = objx; - in[1] = objy; - in[2] = objz; - in[3] = 1.0; - - __gluMultMatrixVecd(modelMatrix, in, out); - __gluMultMatrixVecd(projMatrix, out, in); - - if (in[3] == 0.0) - return false; - - in[3] = (1.0 / in[3]) * 0.5; - - // Map x, y and z to range 0-1 - in[0] = in[0] * in[3] + 0.5f; - in[1] = in[1] * in[3] + 0.5f; - in[2] = in[2] * in[3] + 0.5f; - - // Map x,y to viewport - win_pos[0] = in[0] * viewport[2] + viewport[0]; - win_pos[1] = in[1] * viewport[3] + viewport[1]; - win_pos[2] = in[2]; - - return true; - } - - /** - * Method gluUnproject - * - * @param winx - * @param winy - * @param winz - * @param modelMatrix - * @param projMatrix - * @param viewport - * @param obj_pos - * - * @return - */ - public boolean gluUnProject(double winx, - double winy, - double winz, - double[] modelMatrix, - double[] projMatrix, - int[] viewport, - double[] obj_pos) { - double[] in = this.in; - double[] out = this.out; - - __gluMultMatricesd(modelMatrix, projMatrix, finalMatrix); - - if (!__gluInvertMatrixd(finalMatrix, finalMatrix)) - return false; - - in[0] = winx; - in[1] = winy; - in[2] = winz; - in[3] = 1.0; - - // Map x and y from window coordinates - in[0] = (in[0] - viewport[0]) / viewport[2]; - in[1] = (in[1] - viewport[1]) / viewport[3]; - - // Map to range -1 to 1 - in[0] = in[0] * 2 - 1; - in[1] = in[1] * 2 - 1; - in[2] = in[2] * 2 - 1; - - __gluMultMatrixVecd(finalMatrix, in, out); - - if (out[3] == 0.0) - return false; - - out[3] = 1.0 / out[3]; - - obj_pos[0] = out[0] * out[3]; - obj_pos[1] = out[1] * out[3]; - obj_pos[2] = out[2] * out[3]; - - return true; - } - - /** - * Method gluUnproject4 - * - * @param winx - * @param winy - * @param winz - * @param clipw - * @param modelMatrix - * @param projMatrix - * @param viewport - * @param near - * @param far - * @param obj_pos - * - * @return - */ - public boolean gluUnProject4(double winx, - double winy, - double winz, - double clipw, - double[] modelMatrix, - double[] projMatrix, - int[] viewport, - double near, - double far, - double[] obj_pos) { - double[] in = this.in; - double[] out = this.out; - - __gluMultMatricesd(modelMatrix, projMatrix, finalMatrix); - - if (!__gluInvertMatrixd(finalMatrix, finalMatrix)) - return false; - - in[0] = winx; - in[1] = winy; - in[2] = winz; - in[3] = clipw; - - // Map x and y from window coordinates - in[0] = (in[0] - viewport[0]) / viewport[2]; - in[1] = (in[1] - viewport[1]) / viewport[3]; - in[2] = (in[2] - near) / (far - near); - - // Map to range -1 to 1 - in[0] = in[0] * 2 - 1; - in[1] = in[1] * 2 - 1; - in[2] = in[2] * 2 - 1; - - __gluMultMatrixVecd(finalMatrix, in, out); - - if (out[3] == 0.0) - return false; - - obj_pos[0] = out[0]; - obj_pos[1] = out[1]; - obj_pos[2] = out[2]; - obj_pos[3] = out[3]; - return true; - } - - /** - * Method gluPickMatrix - * - * @param x - * @param y - * @param deltaX - * @param deltaY - * @param viewport - */ - public void gluPickMatrix(GL gl, - double x, - double y, - double deltaX, - double deltaY, - int[] viewport) { - if (deltaX <= 0 || deltaY <= 0) { - return; - } - - /* Translate and scale the picked region to the entire window */ - gl.glTranslated((viewport[2] - 2 * (x - viewport[0])) / deltaX, - (viewport[3] - 2 * (y - viewport[1])) / deltaY, - 0); - gl.glScaled(viewport[2] / deltaX, viewport[3] / deltaY, 1.0); - } -} |