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Editorial Team
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Asked: 2026-05-26T09:57:54+00:00

how would you generate random coloured square in open-gl? the output of the programme

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how would you generate random coloured square in open-gl? the output of the programme should look something like the pic

enter image description here

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1 Answer

  1. Editorial Team

    rand() or maybe the Twister:

    glPushMatrix();
glTranslatef(xpos, ypos, 0);
glColor3ub( rand()%255, rand()%255, rand()%255 );
glBegin(GL_QUADS);
glVertex2i(0,0);
glVertex2i(1,0);
glVertex2i(1,1);
glVertex2i(0,1);
glEnd();
glPopMatrix();

    Modulus is pretty bad if you’re looking for crypto-grade pseudo-random numbers but for this application it should work fine.

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