Vec2 points[5];
for (int i = 0; i < 5; i++)
{
points[i] = Vec2(0, spr_star->getContentSize().width / 2);
points[i] = points[i].rotateByAngle(Vec2(0, 0), 3.1415926 *0.4 * i);
}
spr_star->setPhysicsBody(PhysicsBody::createPolygon(points, 5, PHYSICSBODY_MATERIAL_DEFAULT));
spr_star-是个精灵,最后一句在运行时抛异常是为什么呢,改成createCircle和createBox都可以的啊