74 lines
1.4 KiB
C++
74 lines
1.4 KiB
C++
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#include <math.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include <time.h>
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#include <sys/time.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "GnomeScreensaver.h"
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#include "modes/modes.h"
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using namespace std;
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#define MAX_ASPECT (16.0/9.0*1.02)
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static int n_monitors = 1;
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static bool expose (GnomeScreensaver & gs)
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glPushMatrix();
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glRotatef(gs.getTicks()/1000.0*360.0, 0, 0, 1);
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glBegin(GL_QUADS);
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glColor3f(1, 0.6, 0);
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glNormal3f(0, 0, 1);
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glVertex2f(1, 1);
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glVertex2f(-1, 1);
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glVertex2f(-1, -1);
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glVertex2f(1, 0);
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glEnd();
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glPopMatrix();
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return true;
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}
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static bool configure (GnomeScreensaver & gs, int width, int height)
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{
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for (n_monitors = 1;
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(double)width/(double)n_monitors/(double)height > MAX_ASPECT;
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n_monitors++)
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;
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60.0, (double)width / (double)height, 0.001, 1000.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0, 0, -2);
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glShadeModel(GL_SMOOTH);
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return true;
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}
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static bool update (GnomeScreensaver & gs)
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{
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return true;
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}
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int main (int argc, char *argv[])
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{
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GnomeScreensaver gs(&argc, &argv, configure, expose, update, 12);
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gs.mainloop();
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return 0;
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}
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