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Ball sticks to paddle until click/tap #2

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Ball sticks to paddle until click/tap #2

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28 changes: 22 additions & 6 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
let brickRows = 5, brickCols = 8, brickW, brickH, brickPad, brickOffsetTop, brickOffsetLeft;
let bricks = [];
let score = 0, lives = 3, gameOver = false, won = false;
let ballStuck = true; // Ball sticks to paddle until click/tap

function resize() {
W = window.innerWidth;
Expand All @@ -45,10 +46,11 @@
function initGame() {
resize();
paddleX = (W - paddleW) / 2;
ballX = W / 2;
ballX = paddleX + paddleW / 2;
ballY = paddleY - ballR - 2;
ballDX = 3 * scale * (Math.random() > 0.5 ? 1 : -1);
ballDY = -4 * scale;
ballDX = 0;
ballDY = 0;
ballStuck = true;
score = 0; lives = 3; gameOver = false; won = false;
bricks = [];
for (let r = 0; r < brickRows; r++) {
Expand Down Expand Up @@ -119,6 +121,12 @@

function update() {
if (gameOver) return;
// Ball follows paddle while stuck
if (ballStuck) {
ballX = paddleX + paddleW / 2;
ballY = paddleY - ballR - 2;
return;
}
ballX += ballDX;
ballY += ballDY;
// walls
Expand All @@ -134,7 +142,7 @@
if (ballY - ballR > H) {
lives--;
if (lives <= 0) { gameOver = true; }
else { ballX = W / 2; ballY = paddleY - ballR - 2; ballDX = 3 * scale * (Math.random() > 0.5 ? 1 : -1); ballDY = -4 * scale; }
else { ballStuck = true; } // Ball sticks to paddle after losing a life
}
collisionDetection();
}
Expand Down Expand Up @@ -163,8 +171,16 @@
}
canvas.addEventListener('mousemove', e => movePaddle(e.clientX));
canvas.addEventListener('touchmove', e => { e.preventDefault(); movePaddle(e.touches[0].clientX); }, { passive: false });
canvas.addEventListener('click', () => { if (gameOver) initGame(); });
canvas.addEventListener('touchend', () => { if (gameOver) initGame(); });
function launchBall() {
if (gameOver) { initGame(); return; }
if (ballStuck) {
ballStuck = false;
ballDX = 3 * scale * (Math.random() > 0.5 ? 1 : -1);
ballDY = -4 * scale;
}
}
canvas.addEventListener('click', launchBall);
canvas.addEventListener('touchend', launchBall);
window.addEventListener('resize', resize);

initGame();
Expand Down