Final-Project-June-Liu

let ballPos; // ball position let ballSpd; // ball speed let ballSize = 20; let gravity; let level; // curent level let levelKnife; // curent knife level let brikes;// brikes array let knifes; // knife array

let knifeLen; // knife length let preTime; // time flag let downOff; // move down offset let downSpeed; // move down speed let space; // space num let score; // score let gameOver; // if game is over

function setup() { createCanvas(350, 600); knifes = []; knifeLen = 60; preTime = 0; downOff = 0; downSpeed = 0; space = 21; score = 0; gameOver = false; ballPos = createVector(width * 0.58, height * 0.7); ballSpd = createVector(0, 3); gravity = createVector(0, 0.3); level = height; levelKnife = height; brikes = [];

//create brikes for (let i = 0; i < space + 1; i += 1) { if (i % 2 == 0) { brikes.push( new Brike(width * 0.4, (height * i) / space, color(177, 217, 250)) ); } else { brikes.push( new Brike(width * 0.4, (height * i) / space, color(92, 179, 250)) ); } } }

function draw() { background(212, 228, 255); noStroke();

//show score fill(0); textAlign(CENTER); text("Score:" + score, width * 0.1, height * 0.1);

if (!gameOver) { //if brikes move if (levelKnife < height * 0.4) { downSpeed = 1.5; } else { downSpeed = 0; } downOff += downSpeed; ballPos.y += downSpeed; level += downSpeed; levelKnife += downSpeed;

//update ball position
ballPos.add(ballSpd);
ballSpd.add(gravity);
if (ballPos.y + ballSize > levelKnife && ballSpd.y > 0) {
  ballSpd.y = -9;
}

// create new knife
if (mouseIsPressed && frameCount - preTime > 10) {
  if (level - mouseY > height / 25) {
    preTime = frameCount;
    level -= height / 25;
    knifes.push(new Knife(level));
    score += 1;
  }
  // remove knife
  if (mouseY - level > 0) {
    level = knifes[knifes.length - 2].pos.y;
    knifes.pop();
    // level+=height/40;
    levelKnife = level;
  }
}

//update and show knifes
for (let i = 0; i < knifes.length; i++) {
  knifes[i].pos.y += downSpeed;
  if (knifes[i].pos.x < ballPos.x && knifes[i].pos.y < levelKnife) {
    levelKnife = knifes[i].pos.y;
  }
  if (knifes[i].pos.dist(ballPos) < ballSize * 0.45) {
    gameOver = true;
    knifes[i].pos.x = width * 0.5;
    ballPos.x = width * 0.5;
  }
  knifes[i].show();
}

//show ball
fill(255, 255, 161);
noStroke();
ellipse(ballPos.x, ballPos.y, ballSize);


//show brikes
for (let i = 0; i < brikes.length; i++) {
  brikes[i].show();
  brikes[i].pos.y += downSpeed;
  if (brikes[i].pos.y > height) {
    brikes[i].pos.y -= height + height / space;
  }
}
//if win the game
if (score > 50) {
  gameOver = true;
}

} else {

//if game is over, game is static
for (let i = 0; i < knifes.length; i++) {
  knifes[i].show();
}
fill(255, 255, 161);
noStroke();
ellipse(ballPos.x, ballPos.y, ballSize);
for (let i = 0; i < brikes.length; i++) {
  brikes[i].show();
}
textAlign(CENTER);
fill(255)
textSize(15);
text("Press space to restart the game", width * 0.5, height * 0.5);
if (score > 50) {
  textSize(20)
      text("Congratulations, you win the game", width * 0.5, height * 0.35);
  
}

} }

//press space to restart the game function keyPressed() { if (gameOver && key == " ") { setup(); } }

class Knife { constructor(y) { this.pos = createVector(width * 0.8, y); this.spd = createVector(-6, 0); } show() { this.pos.add(this.spd); if (this.pos.x < width * 0.5) { this.spd.x = 0; } stroke(0); triangle( this.pos.x, this.pos.y, this.pos.x + 5, this.pos.y - 2, this.pos.x + 5, this.pos.y + 2 ); line(this.pos.x, this.pos.y, this.pos.x + knifeLen, this.pos.y); } }

class Brike { constructor(x, y, c) { this.pos = createVector(x, y); this.color = c; } show() { noStroke(); fill(this.color); rect(this.pos.x, this.pos.y, width * 0.1, height / space); } }