Created
November 27, 2011 02:00
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[py] circle in pyglet
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| def circle(x, y, radius): | |
| iterations = int(2*radius*pi) | |
| s = sin(2*pi / iterations) | |
| c = cos(2*pi / iterations) | |
| dx, dy = radius, 0 | |
| glBegin(GL_TRIANGLE_FAN) | |
| glVertex2f(x, y) | |
| for i in range(iterations+1): | |
| glVertex2f(x+dx, y+dy) | |
| dx, dy = (dx*c - dy*s), (dy*c + dx*s) | |
| glEnd() |
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Ah, this is perfect. Thanks!