public void AddBody(double mass, double size, int color, BodyStartPosition startPosition)
{
bodies.Add(new Body(mass, size, renderer.GetStartingPosition(startPosition), simSpace));
renderer.Add(size, color, bodies.Last());
}
public void AddBody(double mass, double size, int color, BodyStartPosition startPosition, SimPoint startVelocity,
bool isGravitySource)
{
bodies.Add(new Body(mass, size, renderer.GetStartingPosition(startPosition), startVelocity, isGravitySource, simSpace));
renderer.Add(size, color, bodies.Last());
}