Added a new demo (from Nigel) showing some of the basic GLUT geometry

shapes.  "shapes" is the name of the demo.


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@365 7f0cb862-5218-0410-a997-914c9d46530a

.gitattributes

@@ -53,6 +53,8 @@ freeglut/freeglut/progs/demos/One/Makefile.am svn_keywords=Author+Date+Id+Revisi
 freeglut/freeglut/progs/demos/One/one.c svn_keywords=Author+Date+Id+Revision
 freeglut/freeglut/progs/demos/One/one.dsp svn_keywords=Author+Date+Id+Revision
 freeglut/freeglut/progs/demos/demos.dsw svn_keywords=Author+Date+Id+Revision
+freeglut/freeglut/progs/demos/shapes/Makefile.am svn_keywords=Author+Date+Id+Revision
+freeglut/freeglut/progs/demos/shapes/shapes.c svn_keywords=Author+Date+Id+Revision
 freeglut/freeglut/src/Makefile.am svn_keywords=Author+Date+Id+Revision
 freeglut/freeglut/src/freeglut_callbacks.c svn_keywords=Author+Date+Id+Revision
 freeglut/freeglut/src/freeglut_cursor.c svn_keywords=Author+Date+Id+Revision

freeglut/freeglut/configure.in

@@ -60,6 +60,7 @@ AC_OUTPUT(\
 	progs/demos/Fractals_random/Makefile \
 	progs/demos/Lorenz/Makefile \
 	progs/demos/One/Makefile \
+	progs/demos/shapes/Makefile \
 	src/Makefile \
 	include/Makefile \
 	include/GL/Makefile \

freeglut/freeglut/progs/demos/Makefile.am

@@ -1,2 +1,2 @@
 EXTRA_DIST = demos.dsw
-SUBDIRS = CallbackMaker Fractals Fractals_random Lorenz One
+SUBDIRS = CallbackMaker Fractals Fractals_random Lorenz One shapes

freeglut/freeglut/progs/demos/shapes/Makefile.am

@@ -0,0 +1,5 @@
+EXTRA_DIST = shapes.c
+noinst_PROGRAMS = shapes
+shapes_SOURCES = shapes.c
+shapes_LDFLAGS = -export-dynamic ../../../src/lib@LIBRARY@.la
+shapes_CFLAGS = -I$(top_srcdir)/include $(X_CFLAGS)

freeglut/freeglut/progs/demos/shapes/shapes.c

@@ -0,0 +1,164 @@
+#include <GL/freeglut.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+static int slices = 16;
+static int stacks = 16;
+
+static void 
+reshape(int width, int height)
+{
+	float ar;
+	
+	glViewport( 0, 0, width, height);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	ar = (float) width / (float) height;
+	glFrustum ( -ar, ar, -1.0, 1.0, 2.0, 100.0);
+	
+	glMatrixMode(GL_MODELVIEW) ;
+	glLoadIdentity() ;
+}
+
+static void 
+display(void)
+{
+	float t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+	float a = t*90.0;
+
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	glPushMatrix();
+		glTranslatef(-2.4,1.2,-6);
+		glRotatef(60,1,0,0);
+		glRotatef(a,0,0,1);
+		glColor3f(1,0,0);
+		glutSolidSphere(1,slices,stacks);
+	glPopMatrix();
+
+	glPushMatrix();
+		glTranslatef(0,1.2,-6);
+		glRotatef(60,1,0,0);
+		glRotatef(a,0,0,1);
+		glColor3f(1,0,0);
+		glutSolidCone(1,1,slices,stacks);
+	glPopMatrix();
+
+	glPushMatrix();
+		glTranslatef(2.4,1.2,-6);
+		glRotatef(60,1,0,0);
+		glRotatef(a,0,0,1);
+		glColor3f(1,0,0);
+		glutSolidTorus(0.2,0.8,slices,stacks);
+	glPopMatrix();
+
+	glPushMatrix();
+		glTranslatef(-2.4,-1.2,-6);
+		glRotatef(60,1,0,0);
+		glRotatef(a,0,0,1);
+		glColor3f(1,0,0);
+		glutWireSphere(1,slices,stacks);
+	glPopMatrix();
+
+	glPushMatrix();
+		glTranslatef(0,-1.2,-6);
+		glRotatef(60,1,0,0);
+		glRotatef(a,0,0,1);
+		glColor3f(1,0,0);
+		glutWireCone(1,1,slices,stacks);
+	glPopMatrix();
+
+	glPushMatrix();
+		glTranslatef(2.4,-1.2,-6);
+		glRotatef(60,1,0,0);
+		glRotatef(a,0,0,1);
+		glColor3f(1,0,0);
+		glutWireTorus(0.2,0.8,slices,stacks);
+	glPopMatrix();
+
+	glutSwapBuffers();
+}
+
+
+static void 
+key(unsigned char key, int x, int y)
+{
+	switch (key) {
+		case 27 : 
+		case 'q':
+		exit(0);
+		break;
+
+ 	 case '+':
+ 	 	slices++;
+ 	 	stacks++;
+ 	 	break;
+ 	 	
+ 	 case '-':
+ 	 	slices--;
+ 	 	stacks--;
+ 	 	break;
+	}
+	
+	glutPostRedisplay();
+}
+
+void 
+idle()
+{
+	glutPostRedisplay();
+}
+
+GLfloat light_ambient[]  = { 0.0, 0.0, 0.0, 1.0 };
+GLfloat light_diffuse[]  = { 1.0, 1.0, 1.0, 1.0 };
+GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+GLfloat light_position[] = { 2.0, 5.0, 5.0, 0.0 };
+
+GLfloat mat_ambient[]    = { 0.7, 0.7, 0.7, 1.0 };
+GLfloat mat_diffuse[]    = { 0.8, 0.8, 0.8, 1.0 };
+GLfloat mat_specular[]   = { 1.0, 1.0, 1.0, 1.0 };
+GLfloat high_shininess[] = { 100.0 };
+
+int 
+main(int argc, char *argv[])
+{
+	glutInit(&argc, argv);
+	glutInitWindowSize(640,480);
+	glutInitWindowPosition (40,40);
+	glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+
+	glutCreateWindow("FreeGLUT Shapes");
+
+	glutReshapeFunc(reshape);
+	glutDisplayFunc(display);
+	glutKeyboardFunc(key);
+	glutIdleFunc(idle);
+
+	glClearColor(1,1,1,1);
+	glEnable(GL_CULL_FACE);
+    glCullFace(GL_BACK);
+
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    glEnable(GL_LIGHT0);
+    glEnable(GL_NORMALIZE);
+    glEnable(GL_COLOR_MATERIAL);
+	glEnable(GL_LIGHTING);
+
+    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
+    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);
+    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);
+    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);
+    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
+
+	glutMainLoop();
+
+	return EXIT_SUCCESS;
+}