キノコを指で引っ張って伸ばす's game

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No:44887

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キノコを指で引っ張って伸ばす
Developer User19503｜Date and time 24/2/19 16:38:35
Build time 7.044 sec｜Game capacity 1.436KB｜

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Click here for free DL of the app version that can save data.

<!DOCTYPE html>
<html>
<head>
  <title>Stretch Mushrooms Game</title>
</head>
<body>
  <canvas id="gameCanvas" width="400" height="400"></canvas>

let dragging = false;
    let mushroomRadius = 30;
    let mushroomX = canvas.width / 2;
    let mushroomY = canvas.height / 2;

canvas.addEventListener("touchstart", function(event) {
      dragging = true;
    });

canvas.addEventListener("touchmove", function(event) {
      if (dragging) {
        let touch = event.touches[0];
        let mouseX = touch.pageX - canvas.offsetLeft;
        let mouseY = touch.pageY - canvas.offsetTop;

let dx = mouseX - mushroomX;
        let dy = mouseY - mushroomY;
        
        let distance = Math.sqrt(dx*dx + dy*dy);
        
        if (distance < mushroomRadius*2) {
          mushroomRadius += 1;
        }
      }
    });

canvas.addEventListener("touchend", function(event) {
      dragging = false;
    });

function drawMushroom() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);

ctx.beginPath();
      ctx.arc(mushroomX, mushroomY, mushroomRadius, 0, Math.PI * 2);
      ctx.fillStyle = "red";
      ctx.fill();
      ctx.closePath();
    }

function gameLoop() {
      drawMushroom();
      requestAnimationFrame(gameLoop);
    }

gameLoop();
  </script>
</body>
</html>