void updatePlayer() {
if (Keyboard::isKeyPressed(Keyboard::Left)) {
player.move(-moveDistance * updateTime/50.0, 0);
} else if (Keyboard::isKeyPressed(Keyboard::Right)) {
player.move(moveDistance * updateTime/50.0, 0);
}
}
void update() {
shape.move(velocity);
if(Keyboard::isKeyPressed(Keyboard::Key::Left) && left() > 0) { velocity.x = -paddleVelocity; }
else if(Keyboard::isKeyPressed(Keyboard::Key::Right) && right() < windowWidth) { velocity.x = paddleVelocity; }
else velocity.x = 0;
}
void update()
{
shape.move(velocity);
// To move the paddle, we check if the user is pressing
// the left or right arrow key: if so, we change the velocity.
// To keep the paddle "inside the window", we change the velocity
// only if its position is inside the window.
if(Keyboard::isKeyPressed(Keyboard::Key::Left)
&& left() > 0) velocity.x = -paddleVelocity;
else if(Keyboard::isKeyPressed(Keyboard::Key::Right)
&& right() < windowWidth) velocity.x = paddleVelocity;
// If the user isn't pressing anything, stop moving.
else velocity.x = 0;
}
int main()
{
//-----------------------------
RenderWindow window; //creates the main window
window.create(VideoMode(SCREEN_WIDTH, SCREEN_HEIGHT), "SFML Works!"); //gives the main window attributes such as width, height, and a name
//-----------------------------
//-----------------------------
window.setFramerateLimit(60);//sets frame rate (makes game speed faster/slower)
//-----------------------------
//-----------------------------
RectangleShape mybox; //A rectangle shape
mybox.setFillColor(Color::Red); //sets color
mybox.setSize(Vector2f(20,30)/*an xy coordinate using float*/); //sets size
mybox.setPosition(0,0); //sets position using the upper left corner of the box by default
//-----------------------------
//-----------------------------
while (window.isOpen()) //the almighty gameloop (Keeps game running until gameover)
{
Event event; //creates an event, so we have access to it's many wonderful functions
while (window.pollEvent(event))// event loop (constantly checks for user inputs and queues the actions)
{
switch (event.type)// checks the type of the event...
{
case Event::Closed: //closed event, triggered by clicking the X button
window.close(); //closes the window
break;
// key pressed
case Event::KeyPressed: //KeyPressed event, triggered by pressing any key
switch (event.key.code) //takes in user inputs and performs actions
{
case Keyboard::Escape: //if esc button is pressed...
window.close();//close the window
break;
case Keyboard::W://if W is pressed...
mybox.move(Vector2f(0,-5));//move the box up
break;
case Keyboard::A://if A is pressed...
mybox.move(Vector2f(-5,0));//move the box left
break;
case Keyboard::S://if S is pressed...
mybox.move(Vector2f(0,5));//move the box down
break;
case Keyboard::D://if D is pressed...
mybox.move(Vector2f(5,0));//move the box right
break;
default:
break;
}//end of switch (event.key.code)
break;
default:
break;
}//end of switch (event.type)
}//end of while (window.pollEvent(event))
//~~~~~~~~~~~~~~~
process();
//~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~
window.clear();//clears the screen
window.draw(mybox);//draws your box shape on the screen (note: invisible unless displayed)
//window.display();//displays what ever you drew.
//~~~~~~~~~~~~~~~
}//end of while (window.isOpen())
//-----------------------------
}//end of int main()
void checkCollisions() {
if (intersects(player, left) || intersects(player, right)) {
FloatRect l = left.getGlobalBounds();
FloatRect r = right.getGlobalBounds();
Vector2f p = player.getPosition();
p.x = clamp(p.x, l.left + l.width + 5, r.left - player.getGlobalBounds().width - 5);
player.setPosition(p);
blap.play();
}
if (intersects(ball, top)) {
FloatRect t = top.getGlobalBounds();
FloatRect b = ball.getGlobalBounds();
ballSpeed.y = abs(ballSpeed.y);
int u = t.top + t.height - b.top;
ball.move(0, 2*u);
blop.play();
}
if (intersects(ball, left)) {
FloatRect l = left.getGlobalBounds();
FloatRect b = ball.getGlobalBounds();
ballSpeed.x = abs(ballSpeed.x);
int u = l.left + l.width - b.left;
b.left = l.left + l.width + u;
ball.setPosition(b.left, b.top);
blop.play();
}
if (intersects(ball, right)) {
FloatRect r = right.getGlobalBounds();
FloatRect b = ball.getGlobalBounds();
ballSpeed.x = -abs(ballSpeed.x);
int u = b.left + b.width - r.left;
b.left = r.left - b.width - u;
ball.setPosition(b.left, b.top);
blop.play();
}
if (intersects(ball, bottom)) {
blam.play();
playerLives--;
stringstream str;
str<<playerLives;
lives.setString(str.str());
lives.setPosition(width/2 - lives.getGlobalBounds().width/2, height - 60);
resetBall();
}
if (intersects(ball, player)) {
FloatRect p = player.getGlobalBounds();
FloatRect b = ball.getGlobalBounds();
Vector2f o(p.left + p.width/2, p.top + p.height/2);
Vector2f om(b.left + p.width/2 - o.x, b.top + b.width/2 - o.y);
om.x /= p.width;
om.y /= p.height;
float angle = atan2(om.y, om.x);
if (angle <= -PI/4 && angle >= -3*PI/4) {
ballSpeed.y = -abs(ballSpeed.y);
ballSpeed.x = (b.left + b.width/2 - p.left - p.width/2) / 200;
int u = b.top + b.height - p.top;
b.top = p.top - b.height - u;
ball.setPosition(b.left, b.top);
ballSpeed.x *= 1.02f;
ballSpeed.y *= 1.02f;
blip.play();
}
}
if (grid.collide(ball, ballSpeed, playerScore)) {
blap.play();
playerScore += 200;
stringstream str;
str<<playerScore<<" pts ";
score.setString(str.str());
score.setPosition(width/2 + score.getGlobalBounds().width/2 - margin, height - 60);
}
if (grid.isGameWon())
gameState = GAME_WON;
if (playerLives <= 0)
gameState = GAME_LOST;
}
void updateBall() {
ball.move(ballSpeed.x * updateTime, ballSpeed.y * updateTime);
}