lkarch.org/tools/pacman/pacman-canvas.js
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1561 lines
43 KiB
JavaScript
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/*-------------------------------------------------------------------
___________ ____ _____ _____ ____
\____ \__ \ _/ ___\ / \\__ \ / \
| |_> > __ \\ \___| Y Y \/ __ \| | \
| __(____ /\___ >__|_| (____ /___| /
|__| \/ \/ \/ \/ \/ .platzh1rsch.ch
author: platzh1rsch (www.platzh1rsch.ch)
-------------------------------------------------------------------*/
"use strict";
function geronimo() {
/* ----- Global Variables ---------------------------------------- */
var canvas;
var joystick;
var context;
var game;
var canvas_walls, context_walls;
var inky, blinky, clyde, pinky;
var mapConfig = "data/map.json";
/* AJAX stuff */
function getHighscore() {
setTimeout(ajax_get,30);
}
function ajax_get() {
var date = new Date().getTime();
$.ajax({
datatype: "json",
type: "GET",
url: "data/db-handler.php",
data: {
timestamp: date,
action: "get"
},
success: function(msg){
$("#highscore-list").text("");
for (var i = 0; i < msg.length; i++) {
$("#highscore-list").append("<li>"+msg[i]['name']+"<span id='score'>"+msg[i]['score']+"</span></li>");
}
}
});
}
function ajax_add(n, s, l) {
$.ajax({
type: 'POST',
url: 'data/db-handler.php',
data: {
action: 'add',
name: n,
score: s,
level: l
},
dataType: 'json',
success: function(data) {
console.log('Highscore added: ' + data);
$('#highscore-form').html('<span class="button" id="show-highscore">View Highscore List</span>');
},
error: function(errorThrown) {
console.log(errorThrown);
}
});
}
function addHighscore() {
var name = $("input[type=text]").val();
$("#highscore-form").html("Saving highscore...");
ajax_add(name ,game.score.score, game.level);
}
function buildWall(context,gridX,gridY,width,height) {
console.log("BuildWall");
width = width*2-1;
height = height*2-1;
context.fillRect(pacman.radius/2+gridX*2*pacman.radius,pacman.radius/2+gridY*2*pacman.radius, width*pacman.radius, height*pacman.radius);
}
function between(x, min, max) {
return x >= min && x <= max;
}
// Logger
var logger = function() {
var oldConsoleLog = null;
var pub = {};
pub.enableLogger = function enableLogger()
{
if(oldConsoleLog === null)
return;
window['console']['log'] = oldConsoleLog;
};
pub.disableLogger = function disableLogger()
{
oldConsoleLog = console.log;
window['console']['log'] = function() {};
};
return pub;
}();
// stop watch to measure the time
function Timer() {
this.time_diff = 0;
this.time_start = 0;
this.time_stop = 0;
this.start = function() {
this.time_start = new Date().getTime();
}
this.stop = function() {
this.time_stop = new Date().getTime();
this.time_diff += this.time_stop - this.time_start;
this.time_stop = 0;
this.time_start = 0;
}
this.reset = function() {
this.time_diff = 0;
this.time_start = 0;
this.time_stop = 0;
}
this.get_time_diff = function() {
return this.time_diff;
}
}
// Manages the whole game ("God Object")
function Game() {
this.timer = new Timer();
this.refreshRate = 33; // speed of the game, will increase in higher levels
this.running = false;
this.pause = true;
this.score = new Score();
this.soundfx = 0;
this.map;
this.pillCount; // number of pills
this.monsters;
this.level = 1;
this.refreshLevel = function(h) {
$(h).html("Lvl: "+this.level);
};
this.gameOver = false;
this.canvas = $("#myCanvas").get(0);
this.wallColor = "Blue";
this.width = this.canvas.width;
this.height = this.canvas.height;
this.pillSize = 3;
this.powerpillSizeMin = 2;
this.powerpillSizeMax = 6;
this.powerpillSizeCurrent = this.powerpillSizeMax;
this.powerPillAnimationCounter = 0;
this.nextPowerPillSize = function() {
/*if (this.powerPillAnimationCounter === 3) {
this.powerPillAnimationCounter = 0;
this.powerpillSizeCurrent = this.powerpillSizeMin + this.powerpillSizeCurrent % (this.powerpillSizeMax-this.powerpillSizeMin);
} else {
this.powerPillAnimationCounter++;
}*/
return this.powerpillSizeCurrent;
};
this.ghostFrightened = false;
this.ghostFrightenedTimer = 240;
this.ghostMode = 0; // 0 = Scatter, 1 = Chase
this.ghostModeTimer = 200; // decrements each animationLoop execution
this.ghostSpeedNormal = (this.level > 4 ? 3 : 2); // global default for ghost speed
this.ghostSpeedDazzled = 2; // global default for ghost speed when dazzled
/* Game Functions */
this.startGhostFrightened = function() {
console.log("ghost frigthened");
this.ghostFrightened = true;
this.ghostFrightenedTimer = 240;
inky.dazzle();
pinky.dazzle();
blinky.dazzle();
clyde.dazzle();
};
this.endGhostFrightened = function() {
console.log("ghost frigthened end");
this.ghostFrightened = false;
inky.undazzle();
pinky.undazzle();
blinky.undazzle();
clyde.undazzle();
};
this.checkGhostMode = function() {
if (this.ghostFrightened) {
this.ghostFrightenedTimer--;
if (this.ghostFrightenedTimer === 0) {
this.endGhostFrightened();
this.ghostFrigthenedTimer = 240;
/*inky.reverseDirection();
pinky.reverseDirection();
clyde.reverseDirection();
blinky.reverseDirection();*/
}
}
// always decrement ghostMode timer
this.ghostModeTimer--;
if (this.ghostModeTimer === 0 && game.level > 1) {
this.ghostMode ^= 1;
this.ghostModeTimer = 200 + this.ghostMode * 450;
console.log("ghostMode=" + this.ghostMode);
game.buildWalls();
inky.reverseDirection();
pinky.reverseDirection();
clyde.reverseDirection();
blinky.reverseDirection();
}
};
this.getMapContent = function (x, y) {
var maxX = game.width / 30 -1;
var maxY = game.height / 30 -1;
if (x < 0) x = maxX + x;
if (x > maxX) x = x-maxX;
if (y < 0) y = maxY + y;
if (y > maxY) y = y-maxY;
return this.map.posY[y].posX[x].type;
};
this.setMapContent = function (x,y,val) {
this.map.posY[y].posX[x].type = val;
};
this.toggleSound = function() {
this.soundfx === 0 ? this.soundfx = 1 : this.soundfx = 0;
$('#mute').toggle();
};
this.reset = function() {
};
this.newGame = function() {
var r = confirm("Are you sure you want to restart?");
if (r) {
console.log("new Game");
this.init(0);
this.pauseResume();
}
};
this.nextLevel = function() {
this.level++;
console.log("Level "+game.level);
game.showMessage("Level "+game.level, this.getLevelTitle() + "<br/>(Click to continue!)");
game.refreshLevel(".level");
this.init(1);
};
this.drawHearts = function (count) {
var html = "";
for (var i = 0; i<count; i++) {
html += " <img src='img/heart.png'>";
}
$(".lives").html("Lives: "+html);
};
this.showContent = function (id) {
$('.content').hide();
$('#'+id).show();
};
this.getLevelTitle = function() {
switch(this.level) {
case 2:
return '"The chase begins"';
// activate chase / scatter switching
case 3:
return '"Inky\s awakening"';
// Inky starts leaving the ghost house
case 4:
return '"Clyde\s awakening"';
// Clyde starts leaving the ghost house
case 5:
return '"need for speed"';
// All the ghosts get faster from now on
case 6:
return '"hunting season 1"';
// TODO: No scatter mood this time
case 7:
return '"the big calm"';
// TODO: Only scatter mood this time
case 8:
return '"hunting season 2"';
// TODO: No scatter mood and all ghosts leave instantly
case 9:
return '"ghosts on speed"';
// TODO: Ghosts get even faster for this level
default:
return '"nothing new"';
}
}
this.showMessage = function(title, text) {
this.timer.stop();
this.pause = true;
$('#canvas-overlay-container').fadeIn(200);
if ($('.controls').css('display') != "none") $('.controls').slideToggle(200);
$('#canvas-overlay-content #title').text(title);
$('#canvas-overlay-content #text').html(text);
};
this.closeMessage = function() {
$('#canvas-overlay-container').fadeOut(200);
$('.controls').slideToggle(200);
};
this.pauseResume = function () {
if (!this.running) {
// start timer
this.timer.start();
this.pause = false;
this.running = true;
this.closeMessage();
animationLoop();
}
else if (this.pause) {
// stop timer
this.timer.stop();
this.pause = false;
this.closeMessage();
}
else {
this.showMessage("Pause","Click to Resume");
}
};
this.init = function (state) {
console.log("init game "+state);
// reset timer if restart
if( state === 0 ) {
this.timer.reset();
}
// get Level Map
$.ajax({
url: mapConfig,
async: false,
beforeSend: function(xhr){
if (xhr.overrideMimeType) xhr.overrideMimeType("application/json");
},
dataType: "json",
success: function (data) {
game.map = data;
}
});
var temp = 0;
$.each(this.map.posY, function(i, item) {
$.each(this.posX, function() {
if (this.type == "pill") {
temp++;
//console.log("Pill Count++. temp="+temp+". PillCount="+this.pillCount+".");
}
});
});
this.pillCount = temp;
if (state === 0) {
this.score.set(0);
this.score.refresh(".score");
pacman.lives = 3;
game.level = 1;
this.refreshLevel(".level");
game.gameOver = false;
}
pacman.reset();
game.drawHearts(pacman.lives);
this.ghostFrightened = false;
this.ghostFrightenedTimer = 240;
this.ghostMode = 0; // 0 = Scatter, 1 = Chase
this.ghostModeTimer = 200; // decrements each animationLoop execution
// initalize Ghosts, avoid memory flooding
if (pinky === null || pinky === undefined) {
pinky = new Ghost("pinky",7,5,'img/pinky.svg',2,2);
inky = new Ghost("inky",8,5,'img/inky.svg',13,11);
blinky = new Ghost("blinky",9,5,'img/blinky.svg',13,0);
clyde = new Ghost("clyde",10,5,'img/clyde.svg',2,11);
}
else {
//console.log("ghosts reset");
pinky.reset();
inky.reset();
blinky.reset();
clyde.reset();
}
blinky.start(); // blinky is the first to leave ghostHouse
inky.start();
pinky.start();
clyde.start();
};
this.check = function() {
if ((this.pillCount === 0) && game.running) {
this.nextLevel();
}
};
this.win = function () {};
this.gameover = function () {};
this.toPixelPos = function (gridPos) {
return gridPos*30;
};
this.toGridPos = function (pixelPos) {
return ((pixelPos % 30)/30);
};
/* ------------ Start Pre-Build Walls ------------ */
this.buildWalls = function() {
if (this.ghostMode === 0) game.wallColor = "Blue";
else game.wallColor = "Red";
canvas_walls = document.createElement('canvas');
canvas_walls.width = game.canvas.width;
canvas_walls.height = game.canvas.height;
context_walls = canvas_walls.getContext("2d");
context_walls.fillStyle = game.wallColor;
context_walls.strokeStyle = game.wallColor;
//horizontal outer
buildWall(context_walls,0,0,18,1);
buildWall(context_walls,0,12,18,1);
// vertical outer
buildWall(context_walls,0,0,1,6);
buildWall(context_walls,0,7,1,6);
buildWall(context_walls,17,0,1,6);
buildWall(context_walls,17,7,1,6);
// ghost base
buildWall(context_walls,7,4,1,1);
buildWall(context_walls,6,5,1,2);
buildWall(context_walls,10,4,1,1);
buildWall(context_walls,11,5,1,2);
buildWall(context_walls,6,6,6,1);
// ghost base door
context_walls.fillRect(8*2*pacman.radius,pacman.radius/2+4*2*pacman.radius+5, 4*pacman.radius, 1);
// single blocks
buildWall(context_walls,4,0,1,2);
buildWall(context_walls,13,0,1,2);
buildWall(context_walls,2,2,1,2);
buildWall(context_walls,6,2,2,1);
buildWall(context_walls,15,2,1,2);
buildWall(context_walls,10,2,2,1);
buildWall(context_walls,2,3,2,1);
buildWall(context_walls,14,3,2,1);
buildWall(context_walls,5,3,1,1);
buildWall(context_walls,12,3,1,1);
buildWall(context_walls,3,3,1,3);
buildWall(context_walls,14,3,1,3);
buildWall(context_walls,3,4,1,1);
buildWall(context_walls,14,4,1,1);
buildWall(context_walls,0,5,2,1);
buildWall(context_walls,3,5,2,1);
buildWall(context_walls,16,5,2,1);
buildWall(context_walls,13,5,2,1);
buildWall(context_walls,0,7,2,2);
buildWall(context_walls,16,7,2,2);
buildWall(context_walls,3,7,2,2);
buildWall(context_walls,13,7,2,2);
buildWall(context_walls,4,8,2,2);
buildWall(context_walls,12,8,2,2);
buildWall(context_walls,5,8,3,1);
buildWall(context_walls,10,8,3,1);
buildWall(context_walls,2,10,1,1);
buildWall(context_walls,15,10,1,1);
buildWall(context_walls,7,10,4,1);
buildWall(context_walls,4,11,2,2);
buildWall(context_walls,12,11,2,2);
/* ------------ End Pre-Build Walls ------------ */
};
}
game = new Game();
function Score() {
this.score = 0;
this.set = function(i) {
this.score = i;
};
this.add = function(i) {
this.score += i;
};
this.refresh = function(h) {
$(h).html("Score: "+this.score);
};
}
// used to play sounds during the game
var Sound = {};
Sound.play = function (sound) {
if (game.soundfx == 1) {
var audio = document.getElementById(sound);
(audio !== null) ? audio.play() : console.log(sound+" not found");
}
};
// Direction object in Constructor notation
function Direction(name,angle1,angle2,dirX,dirY) {
this.name = name;
this.angle1 = angle1;
this.angle2 = angle2;
this.dirX = dirX;
this.dirY = dirY;
this.equals = function(dir) {
return JSON.stringify(this) == JSON.stringify(dir);
};
}
// Direction Objects
var up = new Direction("up",1.75,1.25,0,-1); // UP
var left = new Direction("left",1.25,0.75,-1,0); // LEFT
var down = new Direction("down",0.75,0.25,0,1); // DOWN
var right = new Direction("right",0.25,1.75,1,0); //
/*var directions = [{},{},{},{}];
directions[0] = up;
directions[1] = down;
directions[2] = right;
directions[3] = left;*/
// DirectionWatcher
function directionWatcher() {
this.dir = null;
this.set = function(dir) {
this.dir = dir;
};
this.get = function() {
return this.dir;
};
}
//var directionWatcher = new directionWatcher();
// Ghost object in Constructor notation
function Ghost(name, gridPosX, gridPosY, image, gridBaseX, gridBaseY) {
this.name = name;
this.posX = gridPosX * 30;
this.posY = gridPosY * 30;
this.startPosX = gridPosX * 30;
this.startPosY = gridPosY * 30;
this.gridBaseX = gridBaseX;
this.gridBaseY = gridBaseY;
this.speed = game.ghostSpeedNormal;
this.images = JSON.parse(
'{"normal" : {'
+ '"inky" : "0",'
+ '"pinky" : "1",'
+ '"blinky" : "2",'
+ '"clyde" : "3"'
+ '},'
+
'"frightened1" : {'
+
'"left" : "", "up": "", "right" : "", "down": ""},'
+
'"frightened2" : {'
+
'"left" : "", "up": "", "right" : "", "down": ""},'
+
'"dead" : {'
+
'"left" : "", "up": "", "right" : "", "down": ""}}'
);
this.image = new Image();
this.image.src = image;
this.ghostHouse = true;
this.dazzled = false;
this.dead = false;
this.dazzle = function() {
this.changeSpeed(game.ghostSpeedDazzled);
// ensure ghost doesnt leave grid
if (this.posX > 0) this.posX = this.posX - this.posX % this.speed;
if (this.posY > 0) this.posY = this.posY - this.posY % this.speed;
this.dazzled = true;
}
this.undazzle = function() {
// only change speed if ghost is not "dead"
if (!this.dead) this.changeSpeed(game.ghostSpeedNormal);
// ensure ghost doesnt leave grid
if (this.posX > 0) this.posX = this.posX - this.posX % this.speed;
if (this.posY > 0) this.posY = this.posY - this.posY % this.speed;
this.dazzled = false;
}
this.dazzleImg = new Image();
this.dazzleImg.src = 'img/dazzled.svg';
this.dazzleImg2 = new Image();
this.dazzleImg2.src = 'img/dazzled2.svg';
this.deadImg = new Image();
this.deadImg.src = 'img/dead.svg';
this.direction = right;
this.radius = pacman.radius;
this.draw = function (context) {
if (this.dead) {
context.drawImage(this.deadImg, this.posX, this.posY, 2*this.radius, 2*this.radius);
}
else if (this.dazzled) {
if (pacman.beastModeTimer < 50 && pacman.beastModeTimer % 8 > 1) {
context.drawImage(this.dazzleImg2, this.posX, this.posY, 2*this.radius, 2*this.radius);
} else {
context.drawImage(this.dazzleImg, this.posX, this.posY, 2*this.radius, 2*this.radius);
}
}
else context.drawImage(this.image, this.posX, this.posY, 2*this.radius, 2*this.radius);
}
this.getCenterX = function () {
return this.posX+this.radius;
}
this.getCenterY = function () {
return this.posY+this.radius;
}
this.reset = function() {
this.dead = false;
this.posX = this.startPosX;
this.posY = this.startPosY;
this.ghostHouse = true;
this.undazzle();
}
this.die = function() {
if (!this.dead) {
game.score.add(100);
//this.reset();
this.dead = true;
this.changeSpeed(game.ghostSpeedNormal);
}
}
this.changeSpeed = function(s) {
// adjust gridPosition to new speed
this.posX = Math.round(this.posX / s) * s;
this.posY = Math.round(this.posY / s) * s;
this.speed = s;
}
this.move = function() {
this.checkDirectionChange();
this.checkCollision();
// leave Ghost House
if (this.ghostHouse == true) {
// Clyde does not start chasing before 2/3 of all pills are eaten and if level is < 4
if (this.name == "clyde") {
if ((game.level < 4) || ((game.pillCount > 104/3))) this.stop = true;
else this.stop = false;
}
// Inky starts after 30 pills and only from the third level on
if (this.name == "inky") {
if ((game.level < 3) || ((game.pillCount > 104-30))) this.stop = true;
else this.stop = false;
}
if ((this.getGridPosY() == 5) && this.inGrid()) {
if ((this.getGridPosX() == 7)) this.setDirection(right);
if ((this.getGridPosX() == 8) || this.getGridPosX() == 9) this.setDirection(up);
if ((this.getGridPosX() == 10)) this.setDirection(left);
}
if ((this.getGridPosY() == 4) && ((this.getGridPosX() == 8) || (this.getGridPosX() == 9)) && this.inGrid()) {
console.log("ghosthouse -> false");
this.ghostHouse = false;
}
}
if (!this.stop) {
// Move
this.posX += this.speed * this.dirX;
this.posY += this.speed * this.dirY;
// Check if out of canvas
if (this.posX >= game.width-this.radius) this.posX = this.speed-this.radius;
if (this.posX <= 0-this.radius) this.posX = game.width-this.speed-this.radius;
if (this.posY >= game.height-this.radius) this.posY = this.speed-this.radius;
if (this.posY <= 0-this.radius) this.posY = game.height-this.speed-this.radius;
}
}
this.checkCollision = function() {
/* Check Back to Home */
if (this.dead && (this.getGridPosX() == this.startPosX /30) && (this.getGridPosY() == this.startPosY / 30)) this.reset();
else {
/* Check Ghost / Pacman Collision */
if ((between(pacman.getCenterX(), this.getCenterX()-10, this.getCenterX()+10))
&& (between(pacman.getCenterY(), this.getCenterY()-10, this.getCenterY()+10)))
{
if ((!this.dazzled) && (!this.dead)) {
pacman.die();
}
else {
this.die();
}
}
}
}
/* Pathfinding */
this.getNextDirection = function() {
// get next field
var pX = this.getGridPosX();
var pY= this.getGridPosY();
game.getMapContent(pX,pY);
var u, d, r, l; // option up, down, right, left
// get target
if (this.dead) { // go Home
var tX = this.startPosX / 30;
var tY = this.startPosY / 30;
}
else if (game.ghostMode == 0) { // Scatter Mode
var tX = this.gridBaseX;
var tY = this.gridBaseY;
} else if (game.ghostMode == 1) { // Chase Mode
switch (this.name) {
// target: 4 ahead and 4 left of pacman
case "pinky":
var pdir = pacman.direction;
var pdirX = pdir.dirX == 0 ? - pdir.dirY : pdir.dirX;
var pdirY = pdir.dirY == 0 ? - pdir.dirX : pdir.dirY;
var tX = (pacman.getGridPosX() + pdirX*4) % (game.width / pacman.radius +1);
var tY = (pacman.getGridPosY() + pdirY*4) % (game.height / pacman.radius +1);
break;
// target: pacman
case "blinky":
var tX = pacman.getGridPosX();
var tY = pacman.getGridPosY();
break;
// target:
case "inky":
var tX = pacman.getGridPosX() + 2*pacman.direction.dirX;
var tY = pacman.getGridPosY() + 2*pacman.direction.dirY;
var vX = tX - blinky.getGridPosX();
var vY = tY - blinky.getGridPosY();
tX = Math.abs(blinky.getGridPosX() + vX*2);
tY = Math.abs(blinky.getGridPosY() + vY*2);
break;
// target: pacman, until pacman is closer than 5 grid fields, then back to scatter
case "clyde":
var tX = pacman.getGridPosX();
var tY = pacman.getGridPosY();
var dist = Math.sqrt(Math.pow((pX-tX),2) + Math.pow((pY - tY),2));
if (dist < 5) {
tX = this.gridBaseX;
tY = this.gridBaseY;
}
break;
}
}
var oppDir = this.getOppositeDirection(); // ghosts are not allowed to change direction 180<38>
var dirs = [{},{},{},{}];
dirs[0].field = game.getMapContent(pX,pY-1);
dirs[0].dir = up;
dirs[0].distance = Math.sqrt(Math.pow((pX-tX),2) + Math.pow((pY -1 - tY),2));
dirs[1].field = game.getMapContent(pX,pY+1);
dirs[1].dir = down;
dirs[1].distance = Math.sqrt(Math.pow((pX-tX),2) + Math.pow((pY+1 - tY),2));
dirs[2].field = game.getMapContent(pX+1,pY);
dirs[2].dir = right;
dirs[2].distance = Math.sqrt(Math.pow((pX+1-tX),2) + Math.pow((pY - tY),2));
dirs[3].field = game.getMapContent(pX-1,pY);
dirs[3].dir = left;
dirs[3].distance = Math.sqrt(Math.pow((pX-1-tX),2) + Math.pow((pY - tY),2));
// Sort possible directions by distance
function compare(a,b) {
if (a.distance < b.distance)
return -1;
if (a.distance > b.distance)
return 1;
return 0;
}
var dirs2 = dirs.sort(compare);
var r = this.dir;
var j;
if (this.dead) {
for (var i = dirs2.length-1; i >= 0; i--) {
if ((dirs2[i].field != "wall") && !(dirs2[i].dir.equals(this.getOppositeDirection()))) {
r = dirs2[i].dir;
}
}
}
else {
for (var i = dirs2.length-1; i >= 0; i--) {
if ((dirs2[i].field != "wall") && (dirs2[i].field != "door") && !(dirs2[i].dir.equals(this.getOppositeDirection()))) {
r = dirs2[i].dir;
}
}
}
this.directionWatcher.set(r);
return r;
}
this.setRandomDirection = function() {
var dir = Math.floor((Math.random()*10)+1)%5;
switch(dir) {
case 1:
if (this.getOppositeDirection().equals(up)) this.setDirection(down);
else this.setDirection(up);
break;
case 2:
if (this.getOppositeDirection().equals(down)) this.setDirection(up);
else this.setDirection(down);
break;
case 3:
if (this.getOppositeDirection().equals(right)) this.setDirection(left);
else this.setDirection(right);
break;
case 4:
if (this.getOppositeDirection().equals(left)) this.setDirection(right);
else this.setDirection(left);
break;
}
}
this.reverseDirection = function() {
console.log("reverseDirection: "+this.direction.name+" to "+this.getOppositeDirection().name);
this.directionWatcher.set(this.getOppositeDirection());
}
}
Ghost.prototype = new Figure();
// Super Class for Pacman & Ghosts
function Figure() {
this.posX;
this.posY;
this.speed;
this.dirX = right.dirX;
this.dirY = right.dirY;
this.direction;
this.stop = true;
this.directionWatcher = new directionWatcher();
this.getNextDirection = function() { console.log("Figure getNextDirection");};
this.checkDirectionChange = function() {
if (this.inGrid() && (this.directionWatcher.get() == null)) this.getNextDirection();
if ((this.directionWatcher.get() != null) && this.inGrid()) {
//console.log("changeDirection to "+this.directionWatcher.get().name);
this.setDirection(this.directionWatcher.get());
this.directionWatcher.set(null);
}
}
this.inGrid = function() {
if((this.posX % (2*this.radius) === 0) && (this.posY % (2*this.radius) === 0)) return true;
return false;
}
this.getOppositeDirection = function() {
if (this.direction.equals(up)) return down;
else if (this.direction.equals(down)) return up;
else if (this.direction.equals(right)) return left;
else if (this.direction.equals(left)) return right;
}
this.move = function() {
if (!this.stop) {
this.posX += this.speed * this.dirX;
this.posY += this.speed * this.dirY;
// Check if out of canvas
if (this.posX >= game.width-this.radius) this.posX = this.speed-this.radius;
if (this.posX <= 0-this.radius) this.posX = game.width-this.speed-this.radius;
if (this.posY >= game.height-this.radius) this.posY = this.speed-this.radius;
if (this.posY <= 0-this.radius) this.posY = game.height-this.speed-this.radius;
}
}
this.stop = function() { this.stop = true;}
this.start = function() { this.stop = false;}
this.getGridPosX = function() {
return (this.posX - (this.posX % 30))/30;
}
this.getGridPosY = function() {
return (this.posY - (this.posY % 30))/30;
}
this.setDirection = function(dir) {
this.dirX = dir.dirX;
this.dirY = dir.dirY;
this.angle1 = dir.angle1;
this.angle2 = dir.angle2;
this.direction = dir;
}
this.setPosition = function(x, y) {
this.posX = x;
this.posY = y;
}
}
function pacman() {
this.radius = 15;
this.posX = 0;
this.posY = 6*2*this.radius;
this.speed = 5;
this.angle1 = 0.25;
this.angle2 = 1.75;
this.mouth = 1; /* Switches between 1 and -1, depending on mouth closing / opening */
this.dirX = right.dirX;
this.dirY = right.dirY;
this.lives = 3;
this.stuckX = 0;
this.stuckY = 0;
this.frozen = false; // used to play die Animation
this.freeze = function () {
this.frozen = true;
}
this.unfreeze = function() {
this.frozen = false;
}
this.getCenterX = function () {
return this.posX+this.radius;
}
this.getCenterY = function () {
return this.posY+this.radius;
}
this.directionWatcher = new directionWatcher();
this.direction = right;
this.beastMode = false;
this.beastModeTimer = 0;
this.checkCollisions = function () {
if ((this.stuckX == 0) && (this.stuckY == 0) && this.frozen == false) {
// Get the Grid Position of Pac
var gridX = this.getGridPosX();
var gridY = this.getGridPosY();
var gridAheadX = gridX;
var gridAheadY = gridY;
var field = game.getMapContent(gridX, gridY);
// get the field 1 ahead to check wall collisions
if ((this.dirX == 1) && (gridAheadX < 17)) gridAheadX += 1;
if ((this.dirY == 1) && (gridAheadY < 12)) gridAheadY += 1;
var fieldAhead = game.getMapContent(gridAheadX, gridAheadY);
/* Check Pill Collision */
if ((field === "pill") || (field === "powerpill")) {
//console.log("Pill found at ("+gridX+"/"+gridY+"). Pacman at ("+this.posX+"/"+this.posY+")");
if (
((this.dirX == 1) && (between(this.posX, game.toPixelPos(gridX)+this.radius-5, game.toPixelPos(gridX+1))))
|| ((this.dirX == -1) && (between(this.posX, game.toPixelPos(gridX), game.toPixelPos(gridX)+5)))
|| ((this.dirY == 1) && (between(this.posY, game.toPixelPos(gridY)+this.radius-5, game.toPixelPos(gridY+1))))
|| ((this.dirY == -1) && (between(this.posY, game.toPixelPos(gridY), game.toPixelPos(gridY)+5)))
|| (fieldAhead === "wall")
)
{ var s;
if (field === "powerpill") {
Sound.play("powerpill");
s = 50;
this.enableBeastMode();
game.startGhostFrightened();
}
else {
Sound.play("waka");
s = 10;
game.pillCount--;
}
game.map.posY[gridY].posX[gridX].type = "null";
game.score.add(s);
}
}
/* Check Wall Collision */
if ((fieldAhead === "wall") || (fieldAhead === "door")) {
this.stuckX = this.dirX;
this.stuckY = this.dirY;
pacman.stop();
// get out of the wall
if ((this.stuckX == 1) && ((this.posX % 2*this.radius) != 0)) this.posX -= 5;
if ((this.stuckY == 1) && ((this.posY % 2*this.radius) != 0)) this.posY -= 5;
if (this.stuckX == -1) this.posX += 5;
if (this.stuckY == -1) this.posY += 5;
}
}
}
this.checkDirectionChange = function() {
if (this.directionWatcher.get() != null) {
//console.log("next Direction: "+directionWatcher.get().name);
if ((this.stuckX == 1) && this.directionWatcher.get() == right) this.directionWatcher.set(null);
else {
// reset stuck events
this.stuckX = 0;
this.stuckY = 0;
// only allow direction changes inside the grid
if ((this.inGrid())) {
//console.log("changeDirection to "+directionWatcher.get().name);
// check if possible to change direction without getting stuck
console.log("x: "+this.getGridPosX()+" + "+this.directionWatcher.get().dirX);
console.log("y: "+this.getGridPosY()+" + "+this.directionWatcher.get().dirY);
var x = this.getGridPosX()+this.directionWatcher.get().dirX;
var y = this.getGridPosY()+this.directionWatcher.get().dirY;
if (x <= -1) x = game.width/(this.radius*2)-1;
if (x >= game.width/(this.radius*2)) x = 0;
if (y <= -1) x = game.height/(this.radius*2)-1;
if (y >= game.heigth/(this.radius*2)) y = 0;
console.log("x: "+x);
console.log("y: "+y);
var nextTile = game.map.posY[y].posX[x].type;
console.log("checkNextTile: "+nextTile);
if (nextTile != "wall") {
this.setDirection(this.directionWatcher.get());
this.directionWatcher.set(null);
}
}
}
}
}
this.setDirection = function(dir) {
if (!this.frozen) {
this.dirX = dir.dirX;
this.dirY = dir.dirY;
this.angle1 = dir.angle1;
this.angle2 = dir.angle2;
this.direction = dir;
}
}
this.enableBeastMode = function() {
this.beastMode = true;
this.beastModeTimer = 240;
//console.log("Beast Mode activated!");
inky.dazzle();
pinky.dazzle();
blinky.dazzle();
clyde.dazzle();
};
this.disableBeastMode = function() {
this.beastMode = false;
//console.log("Beast Mode is over!");
inky.undazzle();
pinky.undazzle();
blinky.undazzle();
clyde.undazzle();
};
this.move = function() {
if (!this.frozen) {
if (this.beastModeTimer > 0) {
this.beastModeTimer--;
//console.log("Beast Mode: "+this.beastModeTimer);
}
if ((this.beastModeTimer == 0) && (this.beastMode == true)) this.disableBeastMode();
this.posX += this.speed * this.dirX;
this.posY += this.speed * this.dirY;
// Check if out of canvas
if (this.posX >= game.width-this.radius) this.posX = 5-this.radius;
if (this.posX <= 0-this.radius) this.posX = game.width-5-this.radius;
if (this.posY >= game.height-this.radius) this.posY = 5-this.radius;
if (this.posY <= 0-this.radius) this.posY = game.height-5-this.radius;
}
else this.dieAnimation();
}
this.eat = function () {
if (!this.frozen) {
if (this.dirX == this.dirY == 0) {
this.angle1 -= this.mouth*0.07;
this.angle2 += this.mouth*0.07;
var limitMax1 = this.direction.angle1;
var limitMax2 = this.direction.angle2;
var limitMin1 = this.direction.angle1 - 0.21;
var limitMin2 = this.direction.angle2 + 0.21;
if (this.angle1 < limitMin1 || this.angle2 > limitMin2)
{
this.mouth = -1;
}
if (this.angle1 >= limitMax1 || this.angle2 <= limitMax2)
{
this.mouth = 1;
}
}
}
}
this.stop = function() {
this.dirX = 0;
this.dirY = 0;
}
this.reset = function() {
this.unfreeze();
this.posX = 0;
this.posY = 6*2*this.radius;
this.setDirection(right);
this.stop();
this.stuckX = 0;
this.stuckY = 0;
//console.log("reset pacman");
}
this.dieAnimation = function() {
this.angle1 += 0.05;
this.angle2 -= 0.05;
if (this.angle1 >= this.direction.angle1+0.7 || this.angle2 <= this.direction.angle2-0.7) {
this.dieFinal();
}
}
this.die = function() {
Sound.play("die");
this.freeze();
this.dieAnimation();
}
this.dieFinal = function() {
this.reset();
pinky.reset();
inky.reset();
blinky.reset();
clyde.reset();
this.lives--;
console.log("pacman died, "+this.lives+" lives left");
if (this.lives <= 0) {
var input = "<div id='highscore-form'><span id='form-validater'></span><input type='text' id='playerName'/><span class='button' id='score-submit'>save</span></div>";
game.showMessage("Game over","Total Score: "+game.score.score+input);
game.gameOver = true;
$('#playerName').focus();
}
game.drawHearts(this.lives);
}
this.getGridPosX = function() {
return (this.posX - (this.posX % 30))/30;
}
this.getGridPosY = function() {
return (this.posY - (this.posY % 30))/30;
}
}
pacman.prototype = new Figure();
var pacman = new pacman();
game.buildWalls();
// Check if a new cache is available on page load.
function checkAppCache() {
console.log('check AppCache');
window.applicationCache.addEventListener('updateready', function(e)
{
console.log("AppCache: updateready");
if (window.applicationCache.status == window.applicationCache.UPDATEREADY) {
// Browser downloaded a new app cache.
// Swap it in and reload the page to get the new hotness.
window.applicationCache.swapCache();
if (confirm('A new version of this site is available. Load it?')) {
window.location.reload();
}
} else {
// Manifest didn't change. Nothing new to server.
}
}, false);
window.applicationCache.addEventListener('cached', function(e)
{
console.log("AppCache: cached");
}, false);
}
// Action starts here:
function hideAdressbar() {
console.log("hide adressbar");
$("html").scrollTop(1);
$("body").scrollTop(1);
}
$(document).ready(function() {
$.ajaxSetup({ mimeType: "application/json" });
$.ajaxSetup({beforeSend: function(xhr){
if (xhr.overrideMimeType){
xhr.overrideMimeType("application/json");
//console.log("mimetype set to json");
}
}
});
// Hide address bar
hideAdressbar();
if (window.applicationCache != null) checkAppCache();
/* -------------------- EVENT LISTENERS -------------------------- */
// Listen for resize changes
/*window.addEventListener("resize", function() {
// Get screen size (inner/outerWidth, inner/outerHeight)
// deactivated because of problems
if ((window.outerHeight < window.outerWidth) && (window.outerHeight < 720)) {
game.showMessage("Rotate Device","Your screen is too small to play in landscape view.");
console.log("rotate your device to portrait!");
}
}, false);*/
// --------------- Controls
// Keyboard
window.addEventListener('keydown',doKeyDown,true);
$('#canvas-container').click(function() {
if (!(game.gameOver == true)) game.pauseResume();
});
$('body').on('click', '#score-submit', function(){
console.log("submit highscore pressed");
if ($('#playerName').val() === "" || $('#playerName').val() === undefined) {
$('#form-validater').html("Please enter a name<br/>");
} else {
$('#form-validater').html("");
addHighscore();
}
});
$('body').on('click', '#show-highscore', function(){
game.showContent('highscore-content');
getHighscore();
});
// Hammerjs Touch Events
/*Hammer('#canvas-container').on("tap", function(event) {
if (!(game.gameOver == true)) game.pauseResume();
});*/
Hammer('.container').on("swiperight", function(event) {
if ($('#game-content').is(":visible")) {
event.gesture.preventDefault();
pacman.directionWatcher.set(right);
}
});
Hammer('.container').on("swipeleft", function(event) {
if ($('#game-content').is(":visible")) {
event.gesture.preventDefault();
pacman.directionWatcher.set(left);
}
});
Hammer('.container').on("swipeup", function(event) {
if ($('#game-content').is(":visible")) {
event.gesture.preventDefault();
pacman.directionWatcher.set(up);
}
});
Hammer('.container').on("swipedown", function(event) {
if ($('#game-content').is(":visible")) {
event.gesture.preventDefault();
pacman.directionWatcher.set(down);
}
});
// Mobile Control Buttons
$(document).on('touchend mousedown','#up',function(event) {
event.preventDefault();
pacman.directionWatcher.set(up);
});
$(document).on('touchend mousedown','#down',function(event) {
event.preventDefault();
pacman.directionWatcher.set(down);
});
$(document).on('touchend mousedown','#left',function(event) {
event.preventDefault();
pacman.directionWatcher.set(left);
});
$(document).on('touchend mousedown','#right',function(event) {
event.preventDefault();
pacman.directionWatcher.set(right);
});
// Menu
$(document).on('click','.button#newGame',function(event) {
game.newGame();
});
$(document).on('click','.button#highscore',function(event) {
game.showContent('highscore-content');
getHighscore();
});
$(document).on('click','.button#instructions',function(event) {
game.showContent('instructions-content');
});
$(document).on('click','.button#info',function(event) {
game.showContent('info-content');
});
// back button
$(document).on('click','.button#back',function(event) {
game.showContent('game-content');
});
// toggleSound
$(document).on('click','.controlSound',function(event) {
game.toggleSound();
});
// get latest
$(document).on('click', '#updateCode', function(event) {
console.log('check for new version');
event.preventDefault();
window.applicationCache.update();
});
// checkAppCache();
canvas = $("#myCanvas").get(0);
context = canvas.getContext("2d");
/* --------------- GAME INITIALISATION ------------------------------------
TODO: put this into Game object and change code to accept different setups / levels
-------------------------------------------------------------------------- */
game.init(0);
logger.disableLogger();
renderContent();
});
function renderContent()
{
//context.save()
// Refresh Score
game.score.refresh(".score");
// Pills
context.beginPath();
context.fillStyle = "White";
context.strokeStyle = "White";
var dotPosY;
$.each(game.map.posY, function(i, item) {
dotPosY = this.row;
$.each(this.posX, function() {
if (this.type == "pill") {
context.arc(game.toPixelPos(this.col-1)+pacman.radius,game.toPixelPos(dotPosY-1)+pacman.radius,game.pillSize,0*Math.PI,2*Math.PI);
context.moveTo(game.toPixelPos(this.col-1), game.toPixelPos(dotPosY-1));
}
else if (this.type == "powerpill") {
context.arc(game.toPixelPos(this.col-1)+pacman.radius,game.toPixelPos(dotPosY-1)+pacman.radius,game.powerpillSizeCurrent,0*Math.PI,2*Math.PI);
context.moveTo(game.toPixelPos(this.col-1), game.toPixelPos(dotPosY-1));
}
});
});
console.log("pps: " + game.nextPowerPillSize());
context.fill();
// Walls
context.drawImage(canvas_walls, 0, 0);
if (game.running == true) {
// Ghosts
pinky.draw(context);
blinky.draw(context);
inky.draw(context);
clyde.draw(context);
// Pac Man
context.beginPath();
context.fillStyle = "Yellow";
context.strokeStyle = "Yellow";
context.arc(pacman.posX+pacman.radius,pacman.posY+pacman.radius,pacman.radius,pacman.angle1*Math.PI,pacman.angle2*Math.PI);
context.lineTo(pacman.posX+pacman.radius, pacman.posY+pacman.radius);
context.stroke();
context.fill();
}
}
function renderGrid(gridPixelSize, color)
{
context.save();
context.lineWidth = 0.5;
context.strokeStyle = color;
// horizontal grid lines
for(var i = 0; i <= canvas.height; i = i + gridPixelSize)
{
context.beginPath();
context.moveTo(0, i);
context.lineTo(canvas.width, i);
context.closePath();
context.stroke();
}
// vertical grid lines
for(var i = 0; i <= canvas.width; i = i + gridPixelSize)
{
context.beginPath();
context.moveTo(i, 0);
context.lineTo(i, canvas.height);
context.closePath();
context.stroke();
}
context.restore();
}
function animationLoop()
{
canvas.width = canvas.width;
//renderGrid(pacman.radius, "red");
renderContent();
if (game.dieAnimation == 1) pacman.dieAnimation();
if (game.pause != true){
// Make changes before next loop
pacman.move();
pacman.eat();
pacman.checkDirectionChange();
pacman.checkCollisions(); // has to be the LAST method called on pacman
blinky.move();
inky.move();
pinky.move();
clyde.move();
game.checkGhostMode();
}
// All dots collected?
game.check();
//requestAnimationFrame(animationLoop);
setTimeout(animationLoop, game.refreshRate);
}
function doKeyDown(evt){
switch (evt.keyCode)
{
case 38: // UP Arrow Key pressed
evt.preventDefault();
case 87: // W pressed
pacman.directionWatcher.set(up);
break;
case 40: // DOWN Arrow Key pressed
evt.preventDefault();
case 83: // S pressed
pacman.directionWatcher.set(down);
break;
case 37: // LEFT Arrow Key pressed
evt.preventDefault();
case 65: // A pressed
pacman.directionWatcher.set(left);
break;
case 39: // RIGHT Arrow Key pressed
evt.preventDefault();
case 68: // D pressed
pacman.directionWatcher.set(right);
break;
case 78: // N pressed
if (!$('#playerName').is(':focus')) {
game.pause = 1;
game.newGame();
}
break;
case 77: // M pressed
game.toggleSound();
break;
case 8: // Backspace pressed -> show Game Content
case 27: // ESC pressed -> show Game Content
if (!$('#playerName').is(':focus')) {
evt.preventDefault();
game.showContent('game-content');
}
break;
case 32: // SPACE pressed -> pause Game
evt.preventDefault();
if (!(game.gameOver == true)
&& $('#game-content').is(':visible')
) game.pauseResume();
break;
}
}
}
geronimo();