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No:19465

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Insane Danmaku game
Developer User8628｜Date and time 23/10/4 3:47:48
Build time 12.348 sec｜Game capacity 3.247KB｜

Script

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[PR]現在の売れ筋ゲームランキング

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

<!DOCTYPE html>
<html>
<head>
    <title>Insane Danmaku Game</title>
</head>
<body>
    <canvas id="gameCanvas" width="800" height="600"></canvas>

// Player object
        const player = {
            x: WIDTH / 2 - playerWidth / 2,
            y: HEIGHT - playerHeight - 10,
            width: playerWidth,
            height: playerHeight,
            speed: 5
        };

// Keyboard input event listeners
        document.addEventListener("keydown", handleKeyDown);
        document.addEventListener("keyup", handleKeyUp);

// Key state variables
        let leftPressed = false;
        let rightPressed = false;
        let upPressed = false;
        let downPressed = false;

// Update player's movement based on key states
        function updatePlayer() {
            if (leftPressed) {
                player.x -= player.speed;
                if (player.x < 0) {
                    player.x = 0;
                }
            }
            if (rightPressed) {
                player.x += player.speed;
                if (player.x + player.width > WIDTH) {
                    player.x = WIDTH - player.width;
                }
            }
            if (upPressed) {
                player.y -= player.speed;
                if (player.y < 0) {
                    player.y = 0;
                }
            }
            if (downPressed) {
                player.y += player.speed;
                if (player.y + player.height > HEIGHT) {
                    player.y = HEIGHT - player.height;
                }
            }
        }

// Event listeners functions
        function handleKeyDown(event) {
            if (event.key === "ArrowLeft") {
                leftPressed = true;
            }
            if (event.key === "ArrowRight") {
                rightPressed = true;
            }
            if (event.key === "ArrowUp") {
                upPressed = true;
            }
            if (event.key === "ArrowDown") {
                downPressed = true;
            }
        }

// Game loop
        function gameLoop() {
            ctx.clearRect(0, 0, WIDTH, HEIGHT);

updatePlayer();
            drawPlayer();

requestAnimationFrame(gameLoop);
        }

// Draw player on the canvas
        function drawPlayer() {
            ctx.fillStyle = "#FF0000";
            ctx.fillRect(player.x, player.y, player.width, player.height);
        }

// Start the game
        gameLoop();

</script>
</body>
</html>