<iframe width='500px' height='400px' src='https://nest.ktbyte.com/nest#469001' allowfullscreen></iframe>

// Welcome back to Fun3b!
//  Today's class is on Breakout

// Announcements
//      Try the contests! https://www.ktbyte.com/contest/
//      webcams on please 

// TODO:
/*
    - add score, lives, game over screen, win screen
    - fix bugs: ball hits side of paddle
    - add spin to ball
*/

int ROWS = 4;
int COLS = 8;
int NUM_BRICKS = ROWS*COLS;

Sprite[] bricks = new Sprite[NUM_BRICKS];

// bricks top and bottom position
int BRICKS_TOP = 100;
int BRICKS_BOTTOM = 270;

// width and height of bricks
float BWIDTH;
float BHEIGHT;

// paddle variables
Sprite paddle = new Sprite(350, 400, 100, 20);
boolean left, right;

// ball variables
float speed = 4;
Sprite ball = new Sprite("https://i.ya-webdesign.com/images/green-circle-png-6.png", 400, 300, 30, 30);
int score = 0;
int lives = 3;

void setup() {
    size(800,450);
    BWIDTH = width/COLS;
    BHEIGHT = (BRICKS_BOTTOM - BRICKS_TOP) / ROWS;
    setupBricks();
    ball.setRoundHitbox(15);
    ball.turnToDir(random(-60, -120));
    paddle.setColor(0, 255, 0);
    textSize(30);
    textAlign(CENTER, CENTER);
    background(0);
}


void draw() {
    // background(0);
    fill(0, 30);
    rect(0, 0, width, height);
    
    if(frameCount < 180) {
        int seconds = 3 - frameCount/60;
        fill(255);
        text("Game starts in: " + seconds, 300, 300);
    } else {
    
        drawBricks();
        drawPaddle();
        drawBall();
        
        // add a score
        text("Score: " + score, 130, 500);
        text("Lives: " + lives, 500, 500);
        
        if(lives <= 0) {
            background(255, 0, 0);
            fill(0);
            text("You lose :(", 300, 300);
        }
    }
}


// 2: display the paddle and move it back and forth with the motion variables
void drawPaddle() {
    paddle.display();
    if(left && paddle.getX() > 50) {
        paddle.moveX(-5);
        
    }
    
    if(right && paddle.getX() < 750) {
        paddle.moveX(5);
    }
    
    // optional: how could we make the paddle follow the mouse instead?
    // paddle.setX( mouseX );
}

// display the ball and move it around the canvas
void drawBall() {
    ball.display();
    ball.forward(speed);
    
    // edge detection
    if(ball.getX() > width || ball.getX() < 0) {
        ball.flipX();
    }
    
    if(ball.getY() < 0) {
        ball.flipY();
    }
    
    // 3: make the ball bounce off the paddle
    if(ball.touchingSprite(paddle) ) {
        ball.flipY();
    }
    
    if(ball.getY() > height) {
        ball.moveToPoint(400, 300);
        ball.turnToDir(random(45, 135));
        lives--;
    }
}

// 1: draw the bricks
// make them disappear and bounce the ball when touching
void drawBricks() {
    for(Sprite b : bricks) {
        b.display();
        if(ball.touchingSprite( b )) {
            score++;
            ball.flipY();
            b.moveToPoint(-200, -200);
        }
    }
}

// create new Sprites to fill the bricks array
void setupBricks() {
    float x = BWIDTH/2;
    float y = 10;
    for(int i=0; i<NUM_BRICKS; i++) {
        
        bricks[i] = new Sprite(x, y, BWIDTH-4, BHEIGHT-4);
        bricks[i].setColor(x/3, y/2, 0);
        
        x += BWIDTH;
        if(x >= width) {
            x = BWIDTH/2;
            y += BHEIGHT;
        }
    }
}

// motion code
void keyPressed() {
    if(keyCode == LEFT) {
        left = true;
    }
    if(keyCode == RIGHT) {
        right = true;
    }
}

void keyReleased() {
    if(keyCode == LEFT) {
        left = false;
    }
    if(keyCode == RIGHT) {
        right = false;
    }
}











/*
Intros: name, grade, favorite subject/ passtime, why you're here

    Marc - your instructor, being outside playing music, likes teaching
    Darren - 5th grade, video games, liked Fun3a and coding games
    Yash - 5th grade, social studies, basketball, liked Fun3a
    Samuel - 6th grade, football, math, here because parents
    Jeremy - 6th grade, likes ELA, gaming, reading
    Ella - 7th grade, likes social studies and reading, interested in CS
    Leo - likes video games and reading, here because parents
    Alex - here to learn CS and because parents

*/