//--------------------Game--------------------
// Game variables
const width = 1000;
const height = 600;

// Player variables
const playerSize = 10;
let radius = playerSize / 2;
let playerPosX = 500
let playerPosY = 300;
let playerSpeed = 3;
let booleanArray = window.booleanArray;
// let squareX = 100;
// let squareY = 100;
// const squareSize = 100;

let shotSpeed = 5;
let projectile;
let projSize = 5;
let shot;

// the function setup() is called once when the page is loaded
function setup() {
    // create a canvas element and append it to the body
    createCanvas(width, height);
    frameRate(120);
    // disable the outline of shapes
    Movementloop()
    noStroke();
}

function keyPressed() {
    if (keyIsDown(LEFT_ARROW) && playerPosX > 0 + radius) {
        playerPosX -= playerSpeed;
    }
    if (keyIsDown(RIGHT_ARROW) && playerPosX < width - radius) {
        playerPosX += playerSpeed;
    }
    if (keyIsDown(UP_ARROW) && playerPosY > 0 + radius) {
        playerPosY -= playerSpeed;
    }
    if (keyIsDown(DOWN_ARROW) && playerPosY < height - radius) {
        playerPosY += playerSpeed;
    }
}


async function Movementloop() {
    window.addEventListener('booleanArrayUpdated', function (event) {
        // event.detail contains the booleanArray
        let booleanArray = event.detail;
        // Use booleanArray here...
  
    if (booleanArray[1]) {
        playerPosX += playerSpeed;
    }
    if (booleanArray[3]) {
        playerPosX -= playerSpeed;
    }
    if (booleanArray[2]) {
        playerPosY += playerSpeed;
    }
    if (booleanArray[0]) {
        playerPosY -= playerSpeed;
    }
});
}

// function object_collision() {
//     var squareCenterX = squareX + squareSize / 2;
//     var squareCenterY = squareY + squareSize / 2;

//     var distance = dist(playerPosX, playerPosY, squareCenterX, squareCenterY);

//     if (distance < squareSize / 2 + radius) {
//         squareX = random(0, width - squareSize);
//         squareY = random(0, height - squareSize);
//     }
// }

function shoot(directionX, directionY) {
    shot = true;
    
    if (!projectile) {
        // Set the initial position of the projectile to the player's position
        projectile = createVector(500, 100);
        Xbuffer = directionX;
        Ybuffer = directionY;
    }

    // Draw the small circle (projectile)
    fill(255, 0, 0);
    circle(projectile.x, projectile.y, projSize);

    // Move the projectile towards the movable circle
    let targetFormer = createVector(Xbuffer, Ybuffer);
    let target = createVector(directionX, directionY);
    let direction = targetFormer.copy().sub(projectile);
    direction.normalize();
    direction.mult(shotSpeed);
    projectile.add(direction);

    if (projectile.dist(target) <= radius) {
        shot = false;
        projectile = null;
    }
}

// the function draw() is called every frame
function draw() {
    keyPressed();
    // draw background
    background(0, 0, 0, 100);

    // draw player
    fill(0, 255, 255)
    circle(constrain(playerPosX, 0 + radius, width - radius), constrain(playerPosY, 0 + radius, height - radius), playerSize);
    
    // draw boss
    fill(255,165,0)
    circle(500, 100, 50);

    // square(squareX,squareY,squareSize);
    // object_collision();
    
    if (shot == false) {
        shoot(playerPosX, playerPosY);
        
    } else {
        shot = false;
    }

}