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//Little disclaimer: I DO NOT OWN THE RIGHTS OF PAC-MAN. ALL THE RIGHTS RESERVED TO NAMCO.let pacman;let grid = [];let rows, cols;const w = 20; //cell length (standard w = 10)let speedX = 0;let speedY = 0;let totalScore = 0;let p;let ghosts = [];let ghostNum = 4;let r;let thetaoff = 0;let dir; //equals 0 if up arrow is pressed, 1 if right arrow is pressed, 2 if down arrow is pressed, 3 if left arrow is pressedlet neighbors = [];function setup() { createCanvas(26*w, 20*w); rectMode(CENTER); noStroke(); textSize(w*5); rows = height/w + 1; cols = width/w + 1; translate(w/2, w/2); for(let i = 0; i < rows; i++) { grid[i] = []; for(let j = 0; j < cols; j++) { grid[i][j] = new Cell(w*(j + 0), w*(i + 0)); } } for(let i = 0; i < ghostNum; i++) { let rx = round(random(11, 15)); let ry = round(random(9, 11)); ghosts[i] = new Ghost(w*rx, w*ry, w); } pacman = new Pacman(13 * w, 15 * w, w); p = createP('Score: ' + totalScore); level1();}function draw() { background(0); for(let i = 0; i < rows; i++) { for(let j = 0; j < cols; j++) { grid[i][j].show(); grid[i][j].total(); } } pacman.show(); pacman.move(); ghosts[0].show(0, 255,0); ghosts[1].show(255, 25,140); ghosts[2].show(255, 15, 0); ghosts[3].show(50, 155, 255); for(let i = 0; i < ghostNum; i++) { ghosts[i].move(); ghosts[i].kill(); } p.html('Score: ' + totalScore); if(win()) { push(); fill(205, 205, 40); stroke(5); text('YOU WON!', 0, height/2); setTimeout(noLoop, 100); pop(); }}class Pacman { constructor(x, y, diameter) { this.x = x; this.y = y; this.d = diameter; } show() { fill(220, 220, 50); let theta = PI/3*sq(sin(thetaoff)) if(speedY < 0) { arc(this.x, this.y, this.d, this.d, -theta - PI/6, theta + 7*PI/6); } else if(speedY > 0) { arc(this.x, this.y, this.d, this.d, -7*PI/6 - theta, theta + PI/6); } else if(speedX < 0){ arc(this.x, this.y, this.d, this.d, theta + PI, -theta + PI); } else if(speedX > 0){ arc(this.x, this.y, this.d, this.d, theta, -theta); } else { if(dir == 0) { arc(this.x, this.y, this.d, this.d, -theta - PI/6, theta + 7*PI/6); } else if(dir == 1) { arc(this.x, this.y, this.d, this.d, -7*PI/6 - theta, theta + PI/6); } else if(dir == 2){ arc(this.x, this.y, this.d, this.d, theta + PI, -theta + PI); } else if(dir == 3){ arc(this.x, this.y, this.d, this.d, theta, -theta); } else { arc(this.x, this.y, this.d, this.d, theta, -theta); } } thetaoff += 0.1; } move() { checkNeighbors(this.x, this.y, neighbors); if(this.y % w == 0 && this.x % w == 0) { if(neighbors[3] || neighbors[1]) { speedX = 0; } if(neighbors[0] || neighbors[2]) { speedY = 0; } if(dir == 2 && neighbors[3] == false){ speedX = -w/10; speedY = 0; } if(dir == 3 && neighbors[1] == false){ speedX = w/10; speedY = 0; } if(dir == 0 && neighbors[0] == false){ speedY = -w/10; speedX = 0; } if(dir == 1 && neighbors[2] == false) { speedY = w/10; speedX = 0; } } this.x += speedX; this.y += speedY; //looping the pacman through the canvas if(this.x < - w/2) { this.x = width + w/2; } if(this.x > width + w/2) { this.x = -w/2; } if(this.y < - w/2) { this.y = height + w/2; } if(this.y > height + w/2) { this.y = -w/2; } } }class Cell { constructor(x, y) { this.x = x; this.y = y; this.wall = false; //is this cell a wall? this.score = false; //this cell increases the total score? this.power = false; // is this cell a power token? this.time = 0; } show() { if(this.wall == true) { fill(150, 100); rect(this.x, this.y, w, w); this.score = false; } else if(this.score) { fill(225, 120, 0); ellipse(this.x, this.y, w/5); } if(this.power) { fill(225, 120, 0); if(this.time % 45 < 15) { fill(0); } ellipse(this.x, this.y, w/2); this.time++; if(this.time == 4500) { this.time = 0; } } } total() { if(this.score) { let d = dist(pacman.x, pacman.y, this.x, this.y); if(d < w/2) { totalScore++; this.score = false; } } if(this.power) { let d = dist(pacman.x, pacman.y, this.x, this.y); if(d < w/2) { totalScore++; let time = 6000; this.power = false; for(let i = 0; i < ghostNum; i++) { ghosts[i].killable = true; setTimeout(ghostInv, time); } } } }}class Ghost { constructor(x, y, diameter) { this.i = 0 this.x = x; this.y = y; this.d = diameter; this.r1 = 0; this.speedX = 0; this.speedY = 0; this.killable = false; this.alive = true; this.neighbors = []; this.i++; } show(r, g, b) { if(this.alive == false) { } else if(this.killable) { fill(0, 0, 255); rect(this.x, this.y, this.d, this.d, 5); } else { fill(r, g, b); rect(this.x, this.y, this.d, this.d, 5); } } kill() { let d = dist(pacman.x, pacman.y, this.x, this.y); if(d < w/2) { if(this.alive) { if(this.killable) { this.alive = false; totalScore += 50; setTimeout(() => { this.x = floor(random(11, 15))*w; this.y = floor(random(9, 11))*w; this.alive = true; }, 7000); //calling anonimous function by the old syntax ~function() {}~ doesn't work } else { deathPac(); } } } } move() { if(this.x % w == 0 && this.y % w == 0){ checkNeighbors(this.x, this.y, this.neighbors); //it's probably a dumb way of making the ghosts move, but I divided the move function into all the possible neighbors cells of the ghost //if all neighbors are walls (technically this is not needed) if(this.neighbors[0] && this.neighbors[1] && this.neighbors[2] && this.neighbors[3]) { this.speedX = 0; this.speedY = 0; //if 3 neighbors are walls (technically this is not needed) } else if(this.neighbors[0] && this.neighbors[1] && this.neighbors[2]) { this.speedX = -w/10; this.speedY = 0; } else if(this.neighbors[0] && this.neighbors[1] && this.neighbors[3]) { this.speedX = 0; this.speedY = w/10; } else if(this.neighbors[0] && this.neighbors[2] && this.neighbors[3]) { this.speedX = w/10; this.speedY = 0; } else if(this.neighbors[3] && this.neighbors[1] && this.neighbors[2]) { this.speedX = 0; this.speedY = -w/10; //if 2 neighbors are walls } else if(this.neighbors[0] && this.neighbors[1]) { this.r = random(1); if(this.r < 0.5) { this.speedX = -w/10; this.speedY = 0; } else { this.speedX = 0; this.speedY = w/10; } } else if(this.neighbors[0] && this.neighbors[2]) { this.r = random(1); //if the ghost is between 2 parallel walls, theres a little chance of 5% that it will change its direction if(this.r < 0.05) { this.speedX = w/10; this.speedY = 0; } else if(this.r < 0.1) { this.speedX = -w/10; this.speedY = 0; } } else if(this.neighbors[0] && this.neighbors[3]) { this.r = random(1); if(this.r < 0.5) { this.speedX = w/10; this.speedY = 0; } else { this.speedX = 0; this.speedY = w/10; } } else if(this.neighbors[1] && this.neighbors[2]) { this.r = random(1); if(this.r < 0.5) { this.speedX = 0; this.speedY = -w/10; } else { this.speedX = -w/10; this.speedY = 0; } } else if(this.neighbors[1] && this.neighbors[3]) { this.r = random(1); //if the ghost is between 2 parallel walls, theres a little chance of 5% that it will change its direction if(this.r < 0.05) { this.speedX = 0; this.speedY = w/10; } else if(this.r < 0.1) { this.speedX = 0; this.speedY = -w/10; } } else if(this.neighbors[2] && this.neighbors[3]) { this.r = random(1); if(this.r < 0.5) { this.speedX = w/10; this.speedY = 0; } else { this.speedX = 0; this.speedY = -w/10; } //if 1 neighbor is a wall } else if(this.neighbors[0]) { this.r = random(1); if(this.r < 0.333) { this.speedX = w/10; this.speedY = 0; } else if(this.r < 0.667) { this.speedX = -w/10; this.speedY = 0; } else { this.speedX = 0; this.speedY = w/10; } } else if(this.neighbors[1]) { this.r = random(1); if(this.r < 0.333) { this.speedX = 0; this.speedY = w/10; } else if(this.r < 0.667) { this.speedX = 0; this.speedY = -w/10; } else { this.speedX = -w/10; this.speedY = 0; } } else if(this.neighbors[2]) { this.r = random(1); if(this.r < 0.333) { this.speedX = w/10; this.speedY = 0; } else if(this.r < 0.667) { this.speedX = -w/10; this.speedY = 0; } else { this.speedX = 0; this.speedY = -w/10; } } else if(this.neighbors[3]) { this.r = random(1); if(this.r < 0.333) { this.speedX = 0; this.speedY = w/10; } else if(this.r < 0.667) { this.speedX = 0; this.speedY = -w/10; } else { this.speedX = w/10; this.speedY = 0; } //if there are no neighbor walls } else { this.r = random(1); if(this.r < 0.25) { this.speedX = w/10; this.speedY = 0; } else if(this.r < 0.5) { this.speedX = -w/10; this.speedY = 0; } else if(this.r < 0.75) { this.speedX = 0; this.speedY = w/10; } else { this.speedX = 0; this.speedY = -w/10; } } } if(this.x < -w/2) { this.x = width + w/2; } if(this.x > width + w/2) { this.x = -w/2; } if(this.y < -w/2) { this.y = height + w/2; } if(this.y >height + w/2) { this.y = -w/2; } this.x += this.speedX; this.y += this.speedY; }}function keyPressed() { if(keyCode === UP_ARROW) { dir = 0; } if(keyCode === DOWN_ARROW) { dir = 1; } if(keyCode === LEFT_ARROW) { dir = 2; } if(keyCode === RIGHT_ARROW) { dir = 3; }}//what happens when a ghost touches pacmanfunction deathPac() { noLoop();}//let ghosts be invulnerable againfunction ghostInv() { for(let i = 0; i < ghostNum; i++) { ghosts[i].killable = false; }}function checkNeighbors(x, y, array) { if(array instanceof Array) { let i = floor(y/w); let j = floor(x/w); let top = grid[i-1][j]; let right = grid[i][j+1]; let bottom = grid[i+1][j]; let left = grid[i][j-1]; if(!top) { top = false; } if(!right) { right = false; } if(!bottom) { bottom = false; } if(!left) { left = false; } array[0] = top.wall; array[1] = right.wall; array[2] = bottom.wall; array[3] = left.wall; }}function win() { let count = 0; for(let i = 0; i < rows; i++) { for(let j = 0; j < cols; j++) { if(grid[i][j].score || grid[i][j].token) { count++; } } } if(count == 0) { return true } else { return false; }}function level1() { for(let i = 0; i < rows; i++) { for(let j = 0; j < cols; j++) { grid[i][j].score = true; } } for(let i = 0; i < cols; i++) { grid[0][i].wall = true; grid[rows-1][i].wall = true; } for(let i = 0; i < rows; i++) { grid[i][0].wall = true; grid[i][cols-1].wall = true; } grid[10][0].wall = false; grid[10][0].score = false; grid[1][13].wall = true; grid[2][13].wall = true; grid[4][13].wall = true; grid[5][13].wall = true; grid[6][13].wall = true; grid[4][12].wall = true; grid[4][11].wall = true; grid[4][10].wall = true; grid[12][13].wall = true; grid[13][13].wall = true; grid[14][13].wall = true; grid[16][13].wall = true; grid[17][13].wall = true; grid[18][13].wall = true; grid[2][2].wall = true; grid[2][3].wall = true; grid[2][4].wall = true; grid[3][2].wall = true; grid[3][3].wall = true; grid[3][4].wall = true; grid[4][2].wall = true; grid[4][3].wall = true; grid[4][4].wall = true; grid[6][2].wall = true; grid[6][3].wall = true; grid[6][4].wall = true; grid[2][6].wall = true; grid[2][7].wall = true; grid[2][8].wall = true; grid[3][6].wall = true; grid[3][7].wall = true; grid[3][8].wall = true; grid[4][6].wall = true; grid[4][7].wall = true; grid[4][8].wall = true; grid[2][9].wall = true; grid[2][10].wall = true; grid[2][11].wall = true; grid[8][1].wall = true; grid[8][2].wall = true; grid[8][3].wall = true; grid[8][4].wall = true; grid[8][5].wall = true; grid[8][6].wall = true; grid[9][1].wall = true; grid[9][2].wall = true; grid[9][3].wall = true; grid[9][4].wall = true; grid[9][5].wall = true; grid[9][6].wall = true; grid[11][1].wall = true; grid[11][2].wall = true; grid[11][3].wall = true; grid[11][4].wall = true; grid[11][5].wall = true; grid[11][6].wall = true; grid[12][1].wall = true; grid[12][2].wall = true; grid[12][3].wall = true; grid[12][4].wall = true; grid[12][5].wall = true; grid[12][6].wall = true; grid[6][6].wall = true; grid[6][7].wall = true; grid[6][8].wall = true; grid[6][9].wall = true; grid[6][10].wall = true; grid[6][11].wall = true; grid[7][8].wall = true; grid[8][8].wall = true; grid[9][8].wall = true; grid[11][8].wall = true; grid[12][8].wall = true; grid[8][10].wall = true; grid[8][11].wall = true; grid[8][12].wall = true; grid[9][10].wall = true; grid[10][10].wall = true; grid[11][10].wall = true; grid[12][10].wall = true; grid[12][11].wall = true; grid[12][12].wall = true; grid[14][2].wall = true; grid[14][3].wall = true; grid[14][4].wall = true; grid[15][4].wall = true; grid[16][4].wall = true; grid[16][5].wall = true; grid[16][6].wall = true; grid[14][6].wall = true; grid[14][7].wall = true; grid[14][8].wall = true; grid[14][9].wall = true; grid[14][10].wall = true; grid[14][11].wall = true; grid[16][12].wall = true; grid[16][11].wall = true; grid[16][10].wall = true; grid[16][1].wall = true; grid[16][2].wall = true; grid[18][2].wall = true; grid[18][3].wall = true; grid[18][4].wall = true; grid[18][5].wall = true; grid[18][6].wall = true; grid[18][7].wall = true; grid[18][8].wall = true; grid[18][9].wall = true; grid[18][10].wall = true; grid[18][11].wall = true; grid[17][8].wall = true; grid[16][8].wall = true; for(let i = 0; i < cols/2 +1; i++) { for(let j = 0; j < rows; j++) { let temp = grid[j][i].wall; grid[j][26-i].wall = temp; } } for(let i = 0; i < rows; i++) { grid[i][cols-1].wall = true; } grid[10][26].wall = false; grid[10][26].score = false; for(let i = 9; i < 18; i++) { for(let j = 6; j < 13; j++) { grid[j][i].score = false; } } grid[3][1].power = true; grid[3][25].power = true; grid[15][1].power = true; grid[15][25].power = true; grid[15][13].score = false;}