cocos2d-x 判断两条直线是否相交

bool areVecsEqual(b2Vec2 v1, b2Vec2 v2) {return v1.x == v2.x && v1.y == v2.y;}

bool areVecsEqual(b2Vec2 v1, b2Vec2 v2) {
return v1.x == v2.x && v1.y == v2.y;
}