Method OBBHitTest

LuaSTGPlus/CollisionDetect.cpp:6–99

using namespace LuaSTGPlus;

bool LuaSTGPlus::OBBHitTest(fcyVec2 P1, fcyVec2 Size1, float Angle1,
	fcyVec2 P2, fcyVec2 Size2, float Angle2)
{
	// ��������ε�4������
	fcyVec2 tFinalPos[2][4] =
	{
		{
			fcyVec2(-Size1.x, -Size1.y),
			fcyVec2(Size1.x, -Size1.y),
			fcyVec2(Size1.x, Size1.y),
			fcyVec2(-Size1.x, Size1.y)
		},
		{
			fcyVec2(-Size2.x, -Size2.y),
			fcyVec2(Size2.x, -Size2.y),
			fcyVec2(Size2.x, Size2.y),
			fcyVec2(-Size2.x, Size2.y)
		}
	};

	float tSin, tCos;
	{
		/*
		tSin = sin(Angle1);
		tCos = cos(Angle1);
		*/
		SinCos(Angle1, tSin, tCos);

		for (int i = 0; i<4; i++)
		{
			tFinalPos[0][i].RotationSC(tSin, tCos);
			tFinalPos[0][i] += P1;
		}
	}
	{
		/*
		tSin = sin(Angle2);
		tCos = cos(Angle2);
		*/
		SinCos(Angle2, tSin, tCos);

		for (int i = 0; i<4; i++)
		{
			tFinalPos[1][i].RotationSC(tSin, tCos);
			tFinalPos[1][i] += P2;
		}
	}

	// �����������������
	for (int i = 0; i<2; i++)
	{
		fcyVec2 tAxis[2] =
		{
			tFinalPos[i][1] - tFinalPos[i][0],
			tFinalPos[i][2] - tFinalPos[i][1]
		};

		// �������