bool GStillEntity::pick ( const POINT& pt )
{
D3DXMATRIX matView, matProj;
Content::Device.getD9Device()->GetTransform ( D3DTS_VIEW, &matView );
Content::Device.getD9Device()->GetTransform ( D3DTS_PROJECTION, &matProj );
////射线的起点为眼睛（在视图空间中为坐标原点（0,0,0））
D3DXVECTOR4 vOrigin ( 0, 0, 0, 1 );
////射线方向为眼睛看向鼠标的朝向
D3DXVECTOR4 vDir;
//将鼠标位置从2D平面转换到3D的视图空间中
vDir.x = ( ( ( 2.0f * pt.x ) / Content::Device.mWidth ) - 1 ) / matProj._11;
vDir.y = - ( ( ( 2.0f * pt.y ) / Content::Device.mHeight ) - 1 ) / matProj._22;
vDir.z = 1.0f;
vDir.w = 0.0f;
D3DXMatrixInverse ( &matView, NULL, &matView );
//将vDir和vPos转换到世界坐标系中
D3DXVec4Transform ( &vDir, &vDir, &matView );
D3DXVec4Normalize ( &vDir, &vDir );
D3DXVec4Transform ( &vOrigin, &vOrigin, &matView );
return checkIntersect ( vOrigin, vDir, false );
}
void checkIntersect(const Node &node){
if(node.x == foodX && node.y == foodY){
newFood = true;
}
//Gen Blacklist
if(blacklist[node.x][node.y])
gameOver = true;
else{
blacklist[node.x][node.y] = true;
}if(node.next != nullptr)
checkIntersect(*node.next);
}
int main(){
Node* head = new Node(SIZE / 2,SIZE/2,UP);
head->next = new Node(SIZE/2,SIZE/2-1,UP);
head->next->next = new Node(SIZE/2,SIZE/2 - 2,UP);
head->next->next->next = new Node(SIZE/2,SIZE/2-3,UP);
head->next->next->next->next = new Node(SIZE/2,SIZE/2-4,UP);
head->next->next->next->next->next = nullptr;
float speed = 150;
sf::SoundBuffer soundBuffer;
soundBuffer.loadFromFile("boop.wav");
sf::Sound sound;
sound.setBuffer(soundBuffer);
gameOver = false;
srand (time(NULL));
//sq[32][32] = UP;
//sq[32][31] = UP;
//sq[32][30] = UP;
//sq[32][29] = UP;
//sq[32][28] = UP;
for(int x = 0; x <SIZE; x++){
for( int y = 0; y < SIZE; y++){
blacklist[x][y] = false;
}
}
sf::RenderWindow window(sf::VideoMode(640, 640, 32), "Snake", sf::Style::Titlebar | sf::Style::Close);
sf::Clock clock;
clock.restart();
sf::Event windowEvent;
renderTexture.create(640,640);
renderTexture.display();
sf::Texture gameOverScreen;
gameOverScreen.loadFromFile("gameover.png", sf::IntRect(320,192,640,640));
sf::Sprite sprite;
sprite.setTexture(gameOverScreen);
bool upPress, downPress, leftPress, rightPress = false;
int addCount = 0;
int soundCount = 0;
while(window.isOpen()){
bool anyEvent = false ;
while (window.pollEvent(windowEvent))
{//Event Handling
anyEvent = true;
switch (windowEvent.type)
{
//running = false;
case sf::Event::KeyPressed:
if(sf::Keyboard::isKeyPressed(sf::Keyboard::Left)){
//std::cout << "left" << leftPress <<"\n";
if(head->dir != RIGHT && !leftPress){
head->dir = LEFT;
leftPress = true;
}
}else{
leftPress = false;
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::Right)){
//std::cout << "right\n";
if(head->dir != LEFT && !rightPress){
head->dir = RIGHT;
rightPress = true;
}
}else{
//std::cout << "rightcall";
rightPress = false;
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::Down)){//inverted
//std::cout << "down\n";
if(head->dir != DOWN && !upPress){
head->dir = UP;
upPress = true;
}
}else{
upPress = false;
}
if(sf::Keyboard::isKeyPressed(sf::Keyboard::Up)){//inverted
//std::cout << "up\n";
if(head->dir != UP && !downPress){
head->dir = DOWN;
downPress = true;
}
}else{
downPress = false;
}
break;
case sf::Event::Closed:
//delete head;
window.close();
break;
}
}//\EventHandling
if(!anyEvent){
leftPress = false;
rightPress = false;
upPress = false;
downPress = false;
}
anyEvent = false;
//for(int x = 0; x < 64; ++x){
// for(int y = 0; y < 64; ++y){
sf::Time t = clock.getElapsedTime();
if(t.asMilliseconds() > speed){
updatePos(*head);
updateDir(*head);
soundCount++;
if(soundCount > 5){
sound.play();
soundCount = 0;
}
clock.restart();
if(!gameOver)
gameOver = !checkBounds(*head);
checkIntersect(*head);//gen blacklist
if(addCount > 0){
--addCount;
Node* end = getEnd(*head);
switch(end->dir){
case UP:
end->next = new Node(end->x, end->y - 1, end->dir);//backwards
break;
case DOWN:
end->next = new Node(end->x, end->y + 1, end->dir);//backwards
break;
case LEFT:
end->next = new Node(end->x + 1, end->y, end->dir);//backwards
break;
case RIGHT:
end->next = new Node(end->x - 1, end->y, end->dir);//backwards
break;}
end->next->next = nullptr;
}
if(newFood){
addCount = 4;
if(speed >100){
speed *= .95;
//sound.setPitch(sound.getPitch()*1.1);
}
foodX = rand() % SIZE;
foodY = rand() % SIZE;
while(blacklist[foodX][foodY] == true){
foodX = rand() % SIZE;
foodY = rand() % SIZE;
}
newFood = false;
}
}
if(gameOver){
window.draw(sprite);
window.display();
gameOver = false;
sf::Time t = sf::seconds(.5);
for(int i = 0; i < 6; ++i)
sf::sleep(t);
delete head->next;
head->x = SIZE/2;
head->y = SIZE/2;
head->next = new Node(SIZE/2,SIZE/2-1,UP);
head->next->next = new Node(SIZE/2,SIZE/2 - 2,UP);
head->next->next->next = new Node(SIZE/2,SIZE/2-3,UP);
head->next->next->next->next = new Node(SIZE/2,SIZE/2-4,UP);
head->next->next->next->next->next = nullptr;
float speed = 150;
foodX = SIZE*.75;
foodY = SIZE*.75;
newFood = false;
}
if(!gameOver){
displaySnake(*head);
sf::RectangleShape draw1 = sf::RectangleShape(sf::Vector2f(640/SIZE,640/SIZE));
draw1.setPosition(sf::Vector2f(foodX * (640/SIZE), foodY * (640/SIZE)));
draw1.setFillColor(sf::Color::White);
renderTexture.draw(draw1);
}
sf::Texture texture = renderTexture.getTexture();
// draw it to the window
sf::Sprite sprite(texture);
window.draw(sprite);
window.display();
renderTexture.clear();
for(int x = 0; x < SIZE; x++){
for( int y = 0; y < SIZE; y++){
blacklist[x][y] = false;
}
}
}
}
