Initial commit

sim_solar_system.py

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+# A simulation of a solar system, with a sun and three planets.
+# Gravity is the only force acting on the system.
+
+from simulation import Simulation
+from simulation.ball import Ball
+from geometry.point import Point
+from geometry.vector import Vector
+
+sun = Ball(Point(), mass=100000, radius=20, color="yellow")
+a = Ball(Point((100, 0)), velocity=Vector((0, 14)), mass=1, radius=10, color="blue")
+b = Ball(Point((-80, 0)), velocity=Vector((0, -14)), mass=1, radius=10, color="red")
+c = Ball(Point((0, 200)), velocity=Vector((-5, 0)), mass=2, radius=10, color="green")
+
+sim = Simulation([sun, a, b, c], g=0.2)
+sim.run(1000)