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POthis glut sphere won't spin, why? using Visual c++ 2010
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  1. POthis glut sphere won't spin, why? using Visual c++ 2010
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    copied!<p>This is the complete code I am using. The sphere does not spin like I would expect it to. Normally I program in Java so maybe it is my c++ programming and not GLUT. </p> <pre><code>#include "stdafx.h" #include &lt;stdlib.h&gt; #include &lt;stdio.h&gt; #include &lt;GL/glut.h&gt; #include &lt;GL/glu.h&gt; #include &lt;GL/gl.h&gt; #include &lt;iostream&gt; using namespace std; static float angle = 0; void init(void) { GLfloat mat_specular[] = { 1.0, .5f, .5f, .5f }; GLfloat mat_shininess[] = { 15.0 }; GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 }; glClearColor (0.0, 0.0, 0.0, 0.0); glShadeModel (GL_FLAT); glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); glLightfv(GL_LIGHT0, GL_POSITION, light_position); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_DEPTH_TEST); } void display(void) { cout &lt;&lt; angle; glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); glRotatef(90, 1, 0, 0); glRotatef(angle, 0, 0, 1); glutSolidSphere (.5, 24, 24); glPopMatrix(); glFlush (); angle += 1; glutSwapBuffers(); } void reshape (int w, int h) { glViewport (0, 0, (GLsizei) w, (GLsizei) h); glMatrixMode (GL_PROJECTION); glLoadIdentity(); glOrtho (-1.5*(GLfloat)w/(GLfloat)h, 1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } int main(int argc, char** argv) { glutInit(&amp;argc, argv); glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); glutInitWindowSize (500, 500); glutInitWindowPosition (100, 100); glutCreateWindow (argv[0]); init (); glutDisplayFunc(display); glutReshapeFunc(reshape); glutMainLoop(); return 0; } </code></pre> <p>It seems from my debug line 'cout &lt;&lt; angle;' that glut is only calling the display function once. I am using Microsoft Visual C++ 2010 with GLUT</p>
 

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