Вот зацените:
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#include <SFML\Graphics.hpp> #include <iostream> using namespace sf; using namespace std; /*AABB-Circle Distance Step one: Vector dist = B.centre - A.centre Step two: clamp dist to A.extends if(dist.x >= 0)clamp.x = min(dist.x,extents.x) if(dist.x < 0) clamp.x = max(dist.x,-extents.x) if(dist.y >= 0)clamp.y = min(dist.y,extents.x) if(dist.y < 0) clamp.y = max(dist.y,-extents.x) Step three: Take the difference diff = dist - clamp Final step: Find the distance between A and B Distance = diff.magnitude - B.radius*/ void updateBallPhysics(); bool intersects (const RectangleShape & rect1,const RectangleShape & rect2) { FloatRect r1=rect1.getGlobalBounds(); FloatRect r2=rect2.getGlobalBounds(); return r1.intersects (r2); } int clamp (const int x, const int a, const int b) { return min(max(a,x),b); } bool win(); int main() { const int width = 640; const int height= 480; Font font; if(!font.loadFromFile("assets/comic.ttf")) cout << "ERROR" << endl; Texture back; if(!back.loadFromFile("assets/background.jpg")) return -1; Texture redball; if(!redball.loadFromFile("assets/ball.png")) return -1; Sprite background; background.setTexture(back); background.setPosition(0,0); VideoMode videoMode(width, height); ContextSettings antialiasing; antialiasing.antialiasingLevel = 8; RenderWindow window(videoMode,"Rectangle Collision", Style::Default, antialiasing); //walls RectangleShape top; RectangleShape left; RectangleShape right; RectangleShape bottom; //RectangleShape bottom; //bricks RectangleShape brick1; brick1.setSize(Vector2f(60,12)); brick1.setPosition(40,40); brick1.setFillColor(Color(255,255,255,128)); brick1.setOutlineColor(Color::Black); brick1.setOutlineThickness(3); RectangleShape brick2; brick2.setSize(Vector2f(60,12)); brick2.setPosition(150,40); brick2.setFillColor(Color(255,255,255,128)); brick2.setOutlineColor(Color::Black); brick2.setOutlineThickness(3); RectangleShape brick3; brick3.setSize(Vector2f(60,12)); brick3.setPosition(260,40); brick3.setFillColor(Color(255,255,255,128)); brick3.setOutlineColor(Color::Black); brick3.setOutlineThickness(3); RectangleShape brick4; brick4.setSize(Vector2f(60,12)); brick4.setPosition(370,40); brick4.setFillColor(Color(255,255,255,128)); brick4.setOutlineColor(Color::Black); brick4.setOutlineThickness(3); RectangleShape brick5; brick5.setSize(Vector2f(60,12)); brick5.setPosition(480,40); brick5.setFillColor(Color(255,255,255,128)); brick5.setOutlineColor(Color::Black); brick5.setOutlineThickness(3); //paddle RectangleShape paddle; paddle.setPosition(width/2-45, height-50-12); paddle.setSize(Vector2f(90, 12)); paddle.setFillColor(Color::Red); paddle.setOutlineColor(Color::Green); paddle.setOutlineThickness(3); //ball RectangleShape ball; ball.setPosition(width/2, height/2); ball.setSize(Vector2f(20,20)); //ball.setOutlineColor(Color(255,255,255,128)); //ball.setFillColor(Color(255,255,255,128)); //ball.setOutlineThickness(1); ball.setTexture(&redball); Vector2<float> ballSpeed(0.15, 0.15); top.setPosition(0, 0); top.setSize(Vector2f(640, 5)); top.setFillColor(Color(0,151,255)); top.setOutlineColor(Color(0,151,255)); top.setFillColor(Color::Yellow); bottom.setPosition(0, 475); bottom.setSize(Vector2f(640, 5)); bottom.setFillColor(Color(0,151,255)); bottom.setOutlineColor(Color(0,151,255)); bottom.setFillColor(Color::Yellow); left.setPosition(0, 0); left.setSize(Vector2f(5, height)); left.setFillColor(Color(0,151,255)); left.setOutlineColor(Color(0,151,255)); left.setFillColor(Color::Yellow); right.setPosition(635,0); right.setSize(Vector2f(5, height)); right.setFillColor(Color(0,151,255)); right.setOutlineColor(Color(0,151,255)); right.setFillColor(Color::Yellow); Text gamename, start, won, lost; gamename.setFont(font); gamename.setString("Arkanoid"); gamename.setCharacterSize(48); gamename.setColor(Color::Red); gamename.setPosition(210, 100); //start start.setFont(font); start.setString("Press SPACE to start"); start.setCharacterSize(32); start.setColor(Color::Green); start.setPosition(165, 200); //won won.setFont(font); won.setString("You won!"); won.setCharacterSize(32); won.setStyle(Text::Bold); won.setColor(Color::Green); won.setPosition(250, 200); //lost lost.setFont(font); lost.setString("Game Over!"); lost.setCharacterSize(24); lost.setStyle(Text::Bold); lost.setColor(Color::Red); lost.setPosition(250, 200); //GameStates enum GameStates {STARTSCREEN, GAME, WIN, GAMEOVER}; int gameState = STARTSCREEN; while (window.isOpen()) { window.clear(Color::White); switch(gameState) { case STARTSCREEN: window.draw(background); window.draw(gamename); window.draw(start); break; case GAME: window.draw(background); window.draw(top); //window.draw(bottom); window.draw(left); window.draw(right); window.draw(brick1); window.draw(brick2); window.draw(brick3); window.draw(brick4); window.draw(brick5); window.draw(paddle); window.draw(ball); break; case WIN: window.draw(background); window.draw(won); break; case GAMEOVER: window.draw(background); window.draw(lost); break; } window.display(); Event event; while (window.pollEvent(event)) { if ( (event.type == Event::Closed) || ((event.type == Event::KeyPressed) && (event.key.code==Keyboard::Escape)) ) window.close(); else if((event.type == Event::KeyPressed) && (event.key.code==Keyboard::Space) && (gameState == STARTSCREEN)) gameState = GAME; } if(gameState!=GAME) continue; ball.move(ballSpeed.x, ballSpeed.y); //move paddle if(Keyboard::isKeyPressed(Keyboard::Left)) { paddle.move(-0.3, 0); } else if (Keyboard::isKeyPressed(Keyboard::Right)) { paddle.move(0.3, 0); } //keep paddle inside the window if (intersects(paddle, left) || intersects(paddle, right)) { FloatRect leftWall = left.getGlobalBounds(); FloatRect rightWall = right.getGlobalBounds(); Vector2f p = paddle.getPosition(); p.x = clamp(p.x, leftWall.left + leftWall.width+5, rightWall.left-paddle.getGlobalBounds().width-5); paddle.setPosition(p.x, p.y); } //ball collides with walls if(intersects(ball, top)) { ballSpeed.y = -ballSpeed.y; } if(intersects(ball, left) || intersects(ball, right)) { ballSpeed.x = -ballSpeed.x; } //ball collides with paddle if(intersects(ball, paddle)) { ballSpeed.y= -ballSpeed.y; } //ball collides with bricks if(intersects(ball, brick1)) { FloatRect b1 = brick1.getGlobalBounds(); FloatRect bBall = ball.getGlobalBounds(); brick1.move(width+1, height+1); ballSpeed.y= -ballSpeed.y; } if(intersects(ball, brick2)) { FloatRect b2 = brick2.getGlobalBounds(); FloatRect bBall = ball.getGlobalBounds(); brick2.move(width+1, height+1); ballSpeed.y= -ballSpeed.y; } if(intersects(ball, brick3)) { FloatRect b3 = brick3.getGlobalBounds(); FloatRect bBall = ball.getGlobalBounds(); brick3.move(width+1, height+1); ballSpeed.y= -ballSpeed.y; } if(intersects(ball, brick4)) { FloatRect b4 = brick4.getGlobalBounds(); FloatRect bBall = ball.getGlobalBounds(); brick4.move(width+1, height+1); ballSpeed.y= -ballSpeed.y; } if(intersects(ball, brick5)) { FloatRect b5 = brick5.getGlobalBounds(); FloatRect bBall = ball.getGlobalBounds(); brick5.move(width+1, height+1); ballSpeed.y= -ballSpeed.y; } //Game won if(brick1.getPosition().x > width && brick2.getPosition().x > width && brick3.getPosition().x > width && brick4.getPosition().x > width && brick5.getPosition().x > width) { gameState = WIN; } //game over if(ball.getPosition().y > 480) { gameState = GAMEOVER; } } return EXIT_SUCCESS; } |