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Contractor/manufacturer is Silicon Graphics, -- Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. -- -- OpenGL(TM) is a trademark of Silicon Graphics, Inc. -- with GL; use GL; with Glut; use Glut; package body Teapots_Procs is procedure DoInit is ambient : array (0 .. 3) of aliased GLfloat := (0.0, 0.0, 0.0, 1.0); diffuse : array (0 .. 3) of aliased GLfloat := (1.0, 1.0, 1.0, 1.0); specular : array (0 .. 3) of aliased GLfloat := (1.0, 1.0, 1.0, 1.0); position : array (0 .. 3) of aliased GLfloat := (0.0, 3.0, 3.0, 0.0); lmodel_ambient : array (0 .. 3) of aliased GLfloat := (0.2, 0.2, 0.2, 1.0); local_view : aliased GLfloat := 0.0; begin glLightfv (GL_LIGHT0, GL_AMBIENT, ambient (0)'Access); glLightfv (GL_LIGHT0, GL_DIFFUSE, diffuse (0)'Access); glLightfv (GL_LIGHT0, GL_POSITION, position (0)'Access); glLightModelfv (GL_LIGHT_MODEL_AMBIENT, lmodel_ambient (0)'Access); glLightModelfv (GL_LIGHT_MODEL_LOCAL_VIEWER, local_view'Access); glFrontFace (GL_CW); glEnable (GL_LIGHTING); glEnable (GL_LIGHT0); glEnable (GL_AUTO_NORMAL); glEnable (GL_NORMALIZE); glEnable (GL_DEPTH_TEST); glDepthFunc (GL_LESS); end DoInit; procedure renderTeapot (x : GLfloat; y : GLfloat; ambr : GLfloat; ambg : GLfloat; ambb : GLfloat; difr : GLfloat; difg : GLfloat; difb : GLfloat; specr : GLfloat; specg : GLfloat; specb : GLfloat; shine : GLfloat) is mat : array (0 .. 3) of aliased GLfloat; begin 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 (0)'Access); mat (0) := difr; mat (1) := difg; mat (2) := difb; glMaterialfv (GL_FRONT, GL_DIFFUSE, mat (0)'Access); mat (0) := specr; mat (1) := specg; mat (2) := specb; glMaterialfv (GL_FRONT, GL_SPECULAR, mat (0)'Access); glMaterialf (GL_FRONT, GL_SHININESS, shine * 128.0); glutSolidTeapot (1.0); glPopMatrix; end renderTeapot; procedure DoDisplay is begin -- 16#4100# = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT glClear (GL_COLOR_BUFFER_BIT or 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, 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, 0.25); renderTeapot (10.0, 14.0, 0.0, 0.1, 0.06, 0.0, 0.50980392, 0.50980392, 0.50196078, 0.50196078, 0.50196078, 0.25); renderTeapot (10.0, 11.0, 0.0, 0.0, 0.0, 0.1, 0.35, 0.1, 0.45, 0.55, 0.45, 0.25); renderTeapot (10.0, 8.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.7, 0.6, 0.6, 0.25); renderTeapot (10.0, 5.0, 0.0, 0.0, 0.0, 0.55, 0.55, 0.55, 0.70, 0.70, 0.70, 0.25); renderTeapot (10.0, 2.0, 0.0, 0.0, 0.0, 0.5, 0.5, 0.0, 0.60, 0.60, 0.50, 0.25); renderTeapot (14.0, 17.0, 0.02, 0.02, 0.02, 0.01, 0.01, 0.01, 0.4, 0.4, 0.4, 0.078125); renderTeapot (14.0, 14.0, 0.0, 0.05, 0.05, 0.4, 0.5, 0.5, 0.04, 0.7, 0.7, 0.078125); renderTeapot (14.0, 11.0, 0.0, 0.05, 0.0, 0.4, 0.5, 0.4, 0.04, 0.7, 0.04, 0.078125); renderTeapot (14.0, 8.0, 0.05, 0.0, 0.0, 0.5, 0.4, 0.4, 0.7, 0.04, 0.04, 0.078125); renderTeapot (14.0, 5.0, 0.05, 0.05, 0.05, 0.5, 0.5, 0.5, 0.7, 0.7, 0.7, 0.078125); renderTeapot (14.0, 2.0, 0.05, 0.05, 0.0, 0.5, 0.5, 0.4, 0.7, 0.7, 0.04, 0.078125); glFlush; end DoDisplay; procedure ReshapeCallback (w : Integer; h : Integer) is begin glViewport (0, 0, GLsizei(w), GLsizei(h)); glMatrixMode (GL_PROJECTION); glLoadIdentity; if w <= h then glOrtho (0.0, 16.0, 0.0, GLdouble (16.0*Float (h)/Float (w)), -10.0, 0.0); else glOrtho (0.0, GLdouble (16.0*Float (w)/Float (h)), 0.0, 16.0, -10.0, 10.0); end if; glMatrixMode (GL_MODELVIEW); end ReshapeCallback; end Teapots_Procs;