80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <windows.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "glaux.h"
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void Initialize(void)
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{
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glDrawBuffer(GL_FRONT_AND_BACK);
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}
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void TriangleAt(GLfloat x, GLfloat y, GLfloat z, GLfloat size, BOOL colors)
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{
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glPushMatrix();
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glTranslatef(x, y, z);
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glBegin (GL_TRIANGLES);
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if (colors)
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{
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glColor3f(1.0f, 0.0f, 0.0f);
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}
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glVertex2f (0.0f, 0.0f);
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if (colors)
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{
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glColor3f(0.0f, 1.0f, 0.0f);
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}
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glVertex2f (size, size);
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if (colors)
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{
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glColor3f(0.0f, 0.0f, 1.0f);
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}
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glVertex2f (0.0f, size);
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glEnd ();
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glPopMatrix();
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}
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void Test(void)
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{
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TriangleAt(1.0f, 1.0f, 0.0f, 98.0f, TRUE);
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glFlush();
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Sleep(1000);
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auxSwapBuffers();
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}
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void display(void)
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{
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glClear (GL_COLOR_BUFFER_BIT);
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Test ();
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glFlush ();
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}
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void myReshape(GLsizei w, GLsizei h)
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{
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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if (w <= h)
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gluOrtho2D (0.0, 100.0, 0.0, 100.0 * (GLfloat) h/(GLfloat) w);
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else
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gluOrtho2D (0.0, 100.0 * (GLfloat) w/(GLfloat) h, 0.0, 100.0);
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glMatrixMode(GL_MODELVIEW);
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}
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/* Main Loop
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* Open window with initial window size, title bar,
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* RGBA display mode, and handle input events.
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*/
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int __cdecl main(int argc, char** argv)
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{
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auxInitDisplayMode (AUX_DOUBLE | AUX_RGB);
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auxInitPosition (15, 15, 500, 500);
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auxInitWindow ("GL_FRONT_AND_BACK Test");
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Initialize();
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auxReshapeFunc (myReshape);
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auxMainLoop(display);
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return 0;
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}
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