A game where you use arrow to move's game

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No:52306

327

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A game where you use arrow to move
Developer User17082｜Date and time 24/3/20 8:21:16
Build time 5.73 sec｜Game capacity 1.506KB｜

Script

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[PR]現在の本の売れ筋ランキング

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

<!DOCTYPE html>
<html>
<head>
    <title>Arrow Move Game</title>
</head>
<body>
    <canvas id="gameCanvas" width="400" height="400"></canvas>
    <script>
        const canvas = document.getElementById("gameCanvas");
        const ctx = canvas.getContext("2d");

let playerX = canvas.width / 2;
        let playerY = canvas.height / 2;
        const playerSize = 20;

function drawPlayer() {
            ctx.fillStyle = "black";
            ctx.fillRect(playerX - playerSize / 2, playerY - playerSize / 2, playerSize, playerSize);
        }

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

function updateGame() {
            clearCanvas();
            drawPlayer();
        }

document.addEventListener("keydown", function(event) {
            switch(event.key) {
                case "ArrowUp":
                    playerY -= 99;
                    updateGame();
                    break;
                case "ArrowDown":
                    playerY += 99;
                    updateGame();
                    break;
                case "ArrowLeft":
                    playerX -= 99;
                    updateGame();
                    break;
                case "ArrowRight":
                    playerX += 99;
                    updateGame();
                    break;
            }
        });

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