shape.set(new Vec2(-40.0f, 0.0f), new Vec2(40.0f, 0.0f));
ground.createFixture(shape, 0.0f);
}
{
CircleShape shape = new CircleShape();
shape.m_radius = 1.0f;
for (int i = 0; i < e_count; ++i) {
BodyDef bd = new BodyDef();
bd.type = BodyType.DYNAMIC;