Example #1
0
	bool plane::isInPlane(const line& l)const
	{
		auto dot = norm_.dotProduct(l.dir());
		if (!floatEqual(dot, 0.0f))
			return false;

		return isInPlane(l.start());
	}
Example #2
0
	std::pair<bool, vector3> plane::intersection(const line& l)const
	{
		auto ret = std::make_pair<bool, vector3>(false, vector3());
		if (isInPlane(l))
			return ret;

		ret.first = true;
		auto t = (norm_.dotProduct(point_) - norm_.dotProduct(l.start())) / (norm_.dotProduct(l.dir()));
		ret.second = l.start() + t * l.dir();
		return ret;
	}