--- /dev/null
+import math
+import json
+
+import pymunk
+
+
+def make_shrub(centre, radial, degrees):
+ radial = radial * (degrees / 80.)
+ c = centre + radial.rotated_degrees(degrees)
+ return [int(round(c.x)), int(round(c.y)), 40]
+
+
+radial = pymunk.Vec2d(40, 0)
+centre = pymunk.Vec2d(512, 400)
+
+obstacles = []
+for d in range(10, 810, 45):
+ obstacles.append(make_shrub(centre, radial, d))
+
+print json.dumps(obstacles)