使用C++制作戰車射擊-100%提供源码

#include "CAlien.h" //the vertices making up its shape const int NumAlienVerts = 19; const SPoint Alien[NumAlienVerts] = { SPoint(1,3), SPoint(4,1), SPoint(4,-1), SPoint(2,-4), SPoint(1,-1), SPoint(0,-2), SPoint(-1,-1), SPoint(-2,-4), SPoint(-4,-1), SPoint(-4,1), SPoint(-1,3), SPoint(-2,1), SPoint(-1.5,0.5), SPoint(-2,0), SPoint(-2.5,1), SPoint(2,1), SPoint(1.5,0.5), SPoint(2,0), SPoint(2.5,1)}; //--------------------------------- ctor --------------------------------- // //------------------------------------------------------------------------ CAlien::CAlien(): m_dScale(CParams::dAlienScale), m_vVelocity(SVector2D(0, 0)), m_dMass(CParams::dAlienMass), m_iAge(0), m_bWarning(false) { //set its position m_vPos = SVector2D(RandInt(0, CParams::WindowWidth), CParams::WindowHeight); //create the vertex buffer for (int i=0; i<NumAlienVerts; ++i) { m_vecAlienVB.push_back(Alien[i]); } //setup its bounding box m_AlienBBox.left = m_vPos.x - (4*CParams::dAlienScale); m_AlienBBox.right = m_vPos.x + (4*CParams::dAlienScale); m_AlienBBox.top = m_vPos.y + (3*CParams::dAlienScale); m_AlienBBox.bottom= m_vPos.y - (4*CParams::dAlienScale); } //------------------------------ Render ---------------------------------- void CAlien::Render(HDC &surface, HPEN &GreenPen, HPEN &RedPen) { //transform the vertices WorldTransform(); //select in green pen HPEN OldPen = (HPEN)SelectObject(surface, GreenPen); //draw body MoveToEx(surface, m_vecAlienVBTrans[0].x, m_vecAlienVBTrans[0].y, NULL); for (int vtx=0; vtx<11; ++vtx) { LineTo(surface, m_vecAlienVBTrans[vtx].x, m_vecAlienVBTrans[vtx].y); } LineTo(surface, m_vecAlienVBTrans[0].x, m_vecAlienVBTrans[0].y); //select in red pen SelectObject(surface, RedPen); //left eye MoveToEx(surface, m_vecAlienVBTrans[11].x, m_vecAlienVBTrans[11].y, NULL); for (vtx=12; vtx<15; ++vtx) { LineTo(surface, m_vecAlienVBTrans[vtx].x, m_vecAlienVBTrans[vtx].y); } //right eye MoveToEx(surface, m_vecAlienVBTrans[15].x, m_vecAlienVBTrans[15].y, NULL); for (vtx=16; vtx<19; ++vtx) { LineTo(surface, m_vecAlienVBTrans[vtx].x, m_vecAlienVBTrans[vtx].y); } //replace the old pen SelectObject(surface, OldPen); //display warning if a problem with the network if (m_bWarning) { string s = "Wrong amount of inputs!"; TextOut(surface, 110, 200, s.c_str(), s.size()); } } //---------------------WorldTransform-------------------------------- // // sets up the translation matrices for the ship and applies the // world transform to the ships vertex buffer //------------------------------------------------------------------- void CAlien::WorldTransform() { //copy the original vertices into the buffer about to be transformed m_vecAlienVBTrans = m_vecAlienVB; //create a transformation matrix C2DMatrix matTransform; //scale matTransform.Scale(m_dScale, m_dScale); //and translate matTransform.Translate(m_vPos.x, m_vPos.y); //now transform the ships vertices matTransform.TransformSPoints(m_vecAlienVBTrans); } //----------------------------- GetActionFromNetwork --------------------- // // this function updates the neural net and returns the action the // network selects as its output //------------------------------------------------------------------------ action_type CAlien::GetActionFromNetwork(const vector<CBullet> &bullets, const SVector2D &GunPos) { //the inputs into the net vector<double> NetInputs; //This will hold the outputs from the neural net static vector<double> outputs(0,3); //add in the vector to the gun turret int XComponentToTurret = GunPos.x - m_vPos.x; int YComponentToTurret = GunPos.y - m_vPos.y; NetInputs.push_back(XComponentToTurret); NetInputs.push_back(YComponentToTurret); //now any bullets for (int blt=0; blt<bullets.size(); ++blt) { if (bullets[blt].Active()) { double xComponent = bullets[blt].Pos().x - m_vPos.x; double yComponent = bullets[blt].Pos().y - m_vPos.y; NetInputs.push_back(xComponent); NetInputs.push_back(yComponent); } else { //if a bullet is innactive just input the vector to //the gun turret NetInputs.push_back(XComponentToTurret); NetInputs.push_back(YComponentToTurret); } } //feed the inputs into the net and get the outputs outputs = m_ItsBrain.Update(NetInputs); //this is set if there is a problem with the update if (outputs.size() == 0) { m_bWarning = true; } //determine which action is valid this frame. The highest valued //output over 0.9. If none are over 0.9 then just drift with //gravity double BiggestSoFar = 0; action_type action = drift; for (int i=0; i<outputs.size(); ++i) { if( (outputs[i] > BiggestSoFar) && (outputs[i] > 0.9)) { action = (action_type)i; BiggestSoFar = outputs[i]; } } return action; } //----------------------------- Update ----------------------------------- // // Checks for user keypresses and updates the aliens parameters accordingly //------------------------------------------------------------------------ bool CAlien::Update(vector<CBullet> &bullets,const SVector2D &GunPos) { //update age ++m_iAge; //get the next action from the neural network int action = GetActionFromNetwork(bullets, GunPos); //switch on the action switch(action) { case thrust_left: { m_vVelocity.x -= CParams::dMaxThrustLateral/m_dMass; } break; case thrust_right: { m_vVelocity.x += CParams::dMaxThrustLateral/m_dMass; } break; case thrust_up: { m_vVelocity.y += CParams::dMaxThrustVertical/m_dMass; } break; default:break; } //add in gravity SVector2D gravity(0, CParams::dGravityPerTick); m_vVelocity += gravity; //clamp the velocity of the alien Clamp(m_vVelocity.x, -CParams::dMaxVelocity, CParams::dMaxVelocity); Clamp(m_vVelocity.y, -CParams::dMaxVelocity, CParams::dMaxVelocity); //update the alien's position m_vPos += m_vVelocity; //wrap around window width if (m_vPos.x < 0) { m_vPos.x = CParams::WindowWidth; } if (m_vPos.x > CParams::WindowWidth) { m_vPos.x = 0; } //update the bounding box m_AlienBBox.left = m_vPos.x - (4*CParams::dAlienScale); m_AlienBBox.right = m_vPos.x + (4*CParams::dAlienScale); m_AlienBBox.top = m_vPos.y + (3*CParams::dAlienScale); m_AlienBBox.bottom= m_vPos.y - (4*CParams::dAlienScale); //an alien dies if it drops below the gun, flys too high //or is hit by a bullet if ( (m_vPos.y > (CParams::WindowHeight + 5)) || (m_vPos.y < 15) || CheckForCollision(bullets)) { return false; } return true; } //------------------------- CheckFo