/* * (c) Copyright 1993, Silicon Graphics, Inc. * ALL RIGHTS RESERVED * Permission to use, copy, modify, and distribute this software for * any purpose and without fee is hereby granted, provided that the above * copyright notice appear in all copies and that both the copyright notice * and this permission notice appear in supporting documentation, and that * the name of Silicon Graphics, Inc. not be used in advertising * or publicity pertaining to distribution of the software without specific, * written prior permission. * * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. * * US Government Users Restricted Rights * Use, duplication, or disclosure by the Government is subject to * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph * (c)(1)(ii) of the Rights in Technical Data and Computer Software * clause at DFARS 252.227-7013 and/or in similar or successor * clauses in the FAR or the DOD or NASA FAR Supplement. * Unpublished-- rights reserved under the copyright laws of the * United States. Contractor/manufacturer is Silicon Graphics, * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. * * OpenGL(TM) is a trademark of Silicon Graphics, Inc. */ /* * teapots.c * This program demonstrates lots of material properties. * A single light source illuminates the objects. */ #include #include #include "aux.h" /* Initialize depth buffer, projection matrix, light source, * and lighting model. Do not specify a material property here. */ void myinit(void) { GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 }; GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 }; GLfloat specular[] = { 1.0, 1.0, 1.0, 1.0 }; GLfloat position[] = { 0.0, 3.0, 3.0, 0.0 }; GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 }; GLfloat local_view[] = { 0.0 }; glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse); glLightfv(GL_LIGHT0, GL_POSITION, position); glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient); glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view); glFrontFace (GL_CW); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_AUTO_NORMAL); glEnable(GL_NORMALIZE); glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LESS); } /* Move object into position. Use 3rd through 12th parameters * to specify the material property. Draw a teapot. */ void renderTeapot (GLfloat x, GLfloat y, GLfloat ambr, GLfloat ambg, GLfloat ambb, GLfloat difr, GLfloat difg, GLfloat difb, GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine) { float mat[4]; glPushMatrix(); glTranslatef (x, y, 0.0); mat[0] = ambr; mat[1] = ambg; mat[2] = ambb; mat[3] = 1.0; glMaterialfv (GL_FRONT, GL_AMBIENT, mat); mat[0] = difr; mat[1] = difg; mat[2] = difb; glMaterialfv (GL_FRONT, GL_DIFFUSE, mat); mat[0] = specr; mat[1] = specg; mat[2] = specb; glMaterialfv (GL_FRONT, GL_SPECULAR, mat); glMaterialf (GL_FRONT, GL_SHININESS, shine*128.0); auxSolidTeapot(1.0); glPopMatrix(); } /* First column: emerald, jade, obsidian, pearl, ruby, turquoise * 2nd column: brass, bronze, chrome, copper, gold, silver * 3rd column: black, cyan, green, red, white, yellow plastic * 4th column: black, cyan, green, red, white, yellow rubber */ void display(void) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); renderTeapot (2.0, 17.0, 0.0215, 0.1745, 0.0215, 0.07568, 0.61424, 0.07568, 0.633, 0.727811, 0.633, 0.6); renderTeapot (2.0, 14.0, 0.135, 0.2225, 0.1575, 0.54, 0.89, 0.63, 0.316228, 0.316228, 0.316228, 0.1); renderTeapot (2.0, 11.0, 0.05375, 0.05, 0.06625, 0.18275, 0.17, 0.22525, 0.332741, 0.328634, 0.346435, 0.3); renderTeapot (2.0, 8.0, 0.25, 0.20725, 0.20725, 1, 0.829, 0.829, 0.296648, 0.296648, 0.296648, 0.088); renderTeapot (2.0, 5.0, 0.1745, 0.01175, 0.01175, 0.61424, 0.04136, 0.04136, 0.727811, 0.626959, 0.626959, 0.6); renderTeapot (2.0, 2.0, 0.1, 0.18725, 0.1745, 0.396, 0.74151, 0.69102, 0.297254, 0.30829, 0.306678, 0.1); renderTeapot (6.0, 17.0, 0.329412, 0.223529, 0.027451, 0.780392, 0.568627, 0.113725, 0.992157, 0.941176, 0.807843, 0.21794872); renderTeapot (6.0, 14.0, 0.2125, 0.1275, 0.054, 0.714, 0.4284, 0.18144, 0.393548, 0.271906, 0.166721, 0.2); renderTeapot (6.0, 11.0, 0.25, 0.25, 0.25, 0.4, 0.4, 0.4, 0.774597, 0.774597, 0.774597, 0.6); renderTeapot (6.0, 8.0, 0.19125, 0.0735, 0.0225, 0.7038, 0.27048, 0.0828, 0.256777, 0.137622, 0.086014, 0.1); renderTeapot (6.0, 5.0, 0.24725, 0.1995, 0.0745, 0.75164, 0.60648, 0.22648, 0.628281, 0.555802, 0.366065, 0.4); renderTeapot (6.0, 2.0, 0.19225, 0.19225, 0.19225, 0.50754, 0.50754, 0.50754, 0.508273, 0.508273, 0.508273, 0.4); renderTeapot (10.0, 17.0, 0.0, 0.0, 0.0, 0.01, 0.01, 0.01, 0.50, 0.50, 0.50, .25); renderTeapot (10.0, 14.0, 0.0, 0.1, 0.06, 0.0, 0.50980392, 0.50980392, 0.50196078, 0.50196078, 0.50196078, .25); renderTeapot (10.0, 11.0, 0.0, 0.0, 0.0, 0.1, 0.35, 0.1, 0.45, 0.55, 0.45, .25); renderTeapot (10.0, 8.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.7, 0.6, 0.6, .25); renderTeapot (10.0, 5.0, 0.0, 0.0, 0.0, 0.55, 0.55, 0.55, 0.70, 0.70, 0.70, .25); renderTeapot (10.0, 2.0, 0.0, 0.0, 0.0, 0.5, 0.5, 0.0, 0.60, 0.60, 0.50, .25); renderTeapot (14.0, 17.0, 0.02, 0.02, 0.02, 0.01, 0.01, 0.01, 0.4, 0.4, 0.4, .078125); renderTeapot (14.0, 14.0, 0.0, 0.05, 0.05, 0.4, 0.5, 0.5, 0.04, 0.7, 0.7, .078125); renderTeapot (14.0, 11.0, 0.0, 0.05, 0.0, 0.4, 0.5, 0.4, 0.04, 0.7, 0.04, .078125); renderTeapot (14.0, 8.0, 0.05, 0.0, 0.0, 0.5, 0.4, 0.4, 0.7, 0.04, 0.04, .078125); renderTeapot (14.0, 5.0, 0.05, 0.05, 0.05, 0.5, 0.5, 0.5, 0.7, 0.7, 0.7, .078125); renderTeapot (14.0, 2.0, 0.05, 0.05, 0.0, 0.5, 0.5, 0.4, 0.7, 0.7, 0.04, .078125); glFlush(); } void myReshape(int w, int h) { glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); if (w <= h) glOrtho (0.0, 16.0, 0.0, 16.0*(GLfloat)h/(GLfloat)w, -10.0, 10.0); else glOrtho (0.0, 16.0*(GLfloat)w/(GLfloat)h, 0.0, 16.0, -10.0, 10.0); glMatrixMode(GL_MODELVIEW); } /* Main Loop * Open window with initial window size, title bar, * RGBA display mode, and handle input events. */ int main(int argc, char** argv) { auxInitDisplayMode (AUX_SINGLE | AUX_RGB | AUX_DEPTH); auxInitPosition (0, 0, 500, 600); auxInitWindow (argv[0]); myinit(); auxReshapeFunc (myReshape); auxMainLoop(display); }