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fc2cc32 Jul 15, 2016
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"""Very simple example that does not depend on any third party library such
as pygame or pyglet like the other examples.
"""
import pymunk
import pymunk.util
from pymunk import Vec2d
import math, sys, random
def main():
space = pymunk.Space()
space.gravity = (0.0, -900.0)
## Balls
balls = []
ticks_to_next_ball = 10
for x in range(5000):
ticks_to_next_ball -= 1
if ticks_to_next_ball <= 0:
ticks_to_next_ball = 10000
mass = 10
radius = 25
inertia = pymunk.moment_for_circle(mass, 0, radius, (0,0))
body = pymunk.Body(mass, inertia)
x = random.randint(115,350)
body.position = x, 400
shape = pymunk.Circle(body, radius, Vec2d(0,0))
space.add(body, shape)
balls.append(shape)
balls_to_remove = []
for ball in balls:
if ball.body.position.y < 0: balls_to_remove.append(ball)
for ball in balls_to_remove:
space.remove(ball, ball.body)
balls.remove(ball)
if len(balls) >= 1:
v = balls[0].body.position
print("(in on_draw): point = %.2f, %.2f" % (v.x,v.y))
### Update physics
for x in range(1):
space.step(1/50.0)
if __name__ == '__main__':
sys.exit(main())