PADDLE BALL

Paddle Ball Game is a classic arcade game built in Flutter.

1. Game Architecture & TechnologyThe Paddle Ball Game is developed using Flutter, leveraging its high-performance rendering capabilities for smooth animation.Animation Engine: The game loop is driven by a StatefulWidget using SingleTickerProviderStateMixin and an AnimationController with a fixed duration (16ms for ~60 FPS). The _updateGame method, called on every tick, handles all physics and collision checks.Rendering: Game elements (Ball, Paddle, Bricks) are rendered using a combination of Flutter widgets: Transform.translate within a Stack for precise positioning based on calculated $(\text{x}, \text{y})$ coordinates, and styled Container widgets for visual appeal (gradients, shadows).Coordinate System: The physics engine operates on a central coordinate system where $(0, 0)$ is the screen center, simplifying collision logic with the edges and paddle.2. Core Gameplay MechanicsA. The BallMovement: The ball's position $(\text{ballX}, \text{ballY})$ is updated on every frame based on its current vector $(\text{velocityX}, \text{velocityY})$.Speed & Leveling: Ball speed increases with each level, making gameplay progressively challenging (velocityX/Y = 4 + (level * 0.5)).Wall Collision: When the ball hits the vertical (left/right) or horizontal (top) screen boundaries, the corresponding velocity component is simply reversed (velocityX = -velocityX or velocityY = -velocityY).B. The PaddleControl: The paddle's horizontal position (paddleX) is controlled directly by user drag input via a GestureDetector's onPanUpdate callback.Smart Bounce: Paddle collision uses an intelligent bounce calculation. The angle of the outgoing ball is determined by the hitPosition on the paddle (closer to the edge results in a greater horizontal speed component), encouraging angled shots to hit hard-to-reach bricks.C. Bricks and ScoringInitialization: Bricks are initialized in a grid (5 \times 6 default) with colors based on their row position.Collision: Brick collision is checked on every game update. When a ball collides, the brick is marked as destroyed (isDestroyed = true), the score increases by 10 points, and the ball's vertical or horizontal direction is reversed based on the side of impact.Game Objectives:Level Up: The level advances when all bricks are destroyed. A new set of bricks is initialized, and the ball speed increases.Life Loss: If the ball drops below the paddle's vertical position (paddleY), the player loses a life. The ball is reset to the center top.Game Over: The game ends when the player runs out of lives (lives <= 0).3. User Interface and StateHeads-Up Display (HUD): Displays the current Score, Lives, and Level at the top of the screen.Game States: The application manages three distinct states:Start Screen: Displays instructions and a START GAME button to begin level 1.Active Game: The core gameplay loop where the paddle, ball, and bricks are visible and animated.Game Over: Displays the final score and level reached, along with a PLAY AGAIN button to reset the game state.