View Raw Turn JSON
{
"assistant": {
"text": "Created ball object with properties (radius: 8, position, velocity dx/dy: 4/-4). Implemented drawBall() with cyan color and glow effect. Added updateBall() with wall collision detection (left, right, top, bottom). Ball now moves and bounces off walls. Integrated ball into game loop.",
"type": "message"
},
"context": {
"artifacts": [
{
"content": "// Arkanoid Game - PrincipleSkinner Method (Ralph + GAIT)\n// Turn 1: Canvas foundation and game initialization\n// Turn 2: Paddle object with rendering\n// Turn 3: Paddle keyboard controls\n// Turn 4: Ball object with physics\n\n// Canvas setup\nconst canvas = document.getElementById('gameCanvas');\nconst ctx = canvas.getContext('2d');\n\n// Game state\nconst game = {\n score: 0,\n lives: 3,\n running: false,\n won: false,\n lost: false\n};\n\n// Paddle object\nconst paddle = {\n width: 100,\n height: 15,\n x: canvas.width / 2 - 50,\n y: canvas.height - 40,\n speed: 7,\n dx: 0\n};\n\n// Ball object\nconst ball = {\n radius: 8,\n x: canvas.width / 2,\n y: canvas.height / 2,\n dx: 4,\n dy: -4,\n speed: 4\n};\n\n// Draw paddle\nfunction drawPaddle() {\n ctx.fillStyle = '#00ff00';\n ctx.fillRect(paddle.x, paddle.y, paddle.width, paddle.height);\n\n // Add glow effect\n ctx.shadowBlur = 10;\n ctx.shadowColor = '#00ff00';\n ctx.fillRect(paddle.x, paddle.y, paddle.width, paddle.height);\n ctx.shadowBlur = 0;\n}\n\n// Draw ball\nfunction drawBall() {\n ctx.beginPath();\n ctx.arc(ball.x, ball.y, ball.radius, 0, Math.PI * 2);\n ctx.fillStyle = '#00ffff';\n ctx.fill();\n\n // Add glow effect\n ctx.shadowBlur = 15;\n ctx.shadowColor = '#00ffff';\n ctx.fill();\n ctx.shadowBlur = 0;\n ctx.closePath();\n}\n\n// Update UI\nfunction updateUI() {\n document.getElementById('score').textContent = game.score;\n document.getElementById('lives').textContent = game.lives;\n}\n\n// Update paddle position\nfunction updatePaddle() {\n paddle.x += paddle.dx;\n\n // Keep paddle within bounds\n if (paddle.x < 0) {\n paddle.x = 0;\n }\n if (paddle.x + paddle.width > canvas.width) {\n paddle.x = canvas.width - paddle.width;\n }\n}\n\n// Update ball position and handle wall collisions\nfunction updateBall() {\n ball.x += ball.dx;\n ball.y += ball.dy;\n\n // Wall collisions (left and right)\n if (ball.x + ball.radius > canvas.width || ball.x - ball.radius < 0) {\n ball.dx = -ball.dx;\n }\n\n // Ceiling collision\n if (ball.y - ball.radius < 0) {\n ball.dy = -ball.dy;\n }\n\n // Ball falls below paddle (lose life - will implement later)\n if (ball.y + ball.radius > canvas.height) {\n // For now, just bounce back\n ball.dy = -ball.dy;\n }\n}\n\n// Clear canvas\nfunction clearCanvas() {\n ctx.fillStyle = '#000000';\n ctx.fillRect(0, 0, canvas.width, canvas.height);\n}\n\n// Render game\nfunction render() {\n clearCanvas();\n drawPaddle();\n drawBall();\n}\n\n// Game loop\nfunction gameLoop() {\n updatePaddle();\n updateBall();\n render();\n requestAnimationFrame(gameLoop);\n}\n\n// Keyboard controls\nfunction keyDown(e) {\n if (e.key === 'ArrowLeft' || e.key === 'a') {\n paddle.dx = -paddle.speed;\n } else if (e.key === 'ArrowRight' || e.key === 'd') {\n paddle.dx = paddle.speed;\n }\n}\n\nfunction keyUp(e) {\n if (e.key === 'ArrowLeft' || e.key === 'a' || e.key === 'ArrowRight' || e.key === 'd') {\n paddle.dx = 0;\n }\n}\n\n// Initialize game\nfunction init() {\n console.log('Arkanoid initialized - Canvas: ' + canvas.width + 'x' + canvas.height);\n updateUI();\n render();\n\n // Add event listeners\n document.addEventListener('keydown', keyDown);\n document.addEventListener('keyup', keyUp);\n\n // Start game loop\n gameLoop();\n}\n\n// Start game on load\nwindow.addEventListener('load', init);",
"path": "game.js"
}
],
"pinned_context": {
"branch": "principalskinner-arkanoid",
"items": [],
"memory_id": "086e39ec4fb04bd965bcc97353b8c325dcc80d406e6b5b840ae8db97796c6775",
"pinned_items": 0,
"schema": "gait.context.v0"
}
},
"created_at": "2026-01-09T09:29:25",
"model": {
"provider": "vscode-copilot"
},
"schema": "gait.turn.v0",
"tokens": {
"by_role": {},
"estimated": true,
"input_total": 9,
"output_total": 66
},
"tools": {},
"user": {
"text": "Turn 4: Add ball object with physics",
"type": "message"
},
"visibility": "private"
}