// game Object ********************************************************
//*********************************************************************
const game = {
loop() {}, //main game loop, gets se tto normal or testing loop
testingLoop() {
game.gravity();
Engine.update(engine, game.delta);
game.wipe();
game.textLog();
if (mech.onGround) {
mech.groundControl()
} else {
mech.airControl()
}
level.checkZones();
level.checkQuery();
mech.move();
mech.look();
game.checks();
ctx.save();
game.camera();
mech.draw();
game.draw.wireFrame();
game.draw.cons();
game.draw.testing();
game.drawCircle();
game.constructCycle()
ctx.restore();
game.testingOutput();
game.drawCursor();
},
normalLoop() {
game.gravity();
Engine.update(engine, game.delta);
game.wipe();
game.textLog();
if (mech.onGround) {
mech.groundControl()
} else {
mech.airControl()
}
level.checkZones();
level.checkQuery();
mech.move();
mech.look();
game.checks();
ctx.save();
game.camera();
level.drawFillBGs();
level.exit.draw();
level.enter.draw();
game.draw.powerUp();
mobs.draw();
game.draw.cons();
game.draw.body();
mobs.loop();
mobs.healthBar();
mech.draw();
mech.hold();
// v.draw(); //working on visibility work in progress
level.drawFills();
game.draw.drawMapPath();
b.fire();
b.bulletRemove();
b.bulletDraw();
b.bulletDo();
game.drawCircle();
game.clip();
ctx.restore();
game.drawCursor();
},
isTimeSkipping: false,
timeSkip(cycles = 60) {
game.isTimeSkipping = true;
for (let i = 0; i < cycles; i++) {
game.cycle++;
mech.cycle++;
game.gravity();
Engine.update(engine, game.delta);
if (mech.onGround) {
mech.groundControl()
} else {
mech.airControl()
}
level.checkZones();
level.checkQuery();
mech.move();
game.checks();
mobs.loop();
// mech.draw();
mech.walk_cycle += mech.flipLegs * mech.Vx;
mech.hold();
b.fire();
b.bulletRemove();
b.bulletDo();
}
game.isTimeSkipping = false;
},
mouse: {
x: canvas.width / 2,
y: canvas.height / 2
},
mouseInGame: {
x: 0,
y: 0
},
g: 0.001,
onTitlePage: true,
paused: false,
isChoosing: false,
testing: false, //testing mode: shows wire frame and some variables
cycle: 0, //total cycles, 60 per second
fpsCap: null, //limits frames per second to 144/2=72, on most monitors the fps is capped at 60fps by the hardware
fpsCapDefault: 72, //use to change fpsCap back to normal after a hit from a mob
isEasyToAimMode: true, //removes power ups that don't work well with a track pad
isCommunityMaps: false,
cyclePaused: 0,
fallHeight: 3000, //below this y position the player dies
lastTimeStamp: 0, //tracks time stamps for measuring delta
delta: 1000 / 60, //speed of game engine //looks like it has to be 16 to match player input
buttonCD: 0,
isBodyDamage: true,
levelsCleared: 0,
difficultyMode: 1,
isEasyMode: false,
difficulty: 0,
dmgScale: null, //set in levels.setDifficulty
healScale: 1,
accelScale: null, //set in levels.setDifficulty
CDScale: null, //set in levels.setDifficulty
lookFreqScale: null, //set in levels.setDifficulty
mouseDown: false,
// dropFPS(cap = 40, time = 15) {
// game.fpsCap = cap
// game.fpsInterval = 1000 / game.fpsCap;
// game.defaultFPSCycle = game.cycle + time
// const normalFPS = function () {
// if (game.defaultFPSCycle < game.cycle) {
// game.fpsCap = 72
// game.fpsInterval = 1000 / game.fpsCap;
// } else {
// requestAnimationFrame(normalFPS);
// }
// };
// requestAnimationFrame(normalFPS);
// },
clip() {
},
drawCursor() {
const size = 10;
ctx.beginPath();
ctx.moveTo(game.mouse.x - size, game.mouse.y);
ctx.lineTo(game.mouse.x + size, game.mouse.y);
ctx.moveTo(game.mouse.x, game.mouse.y - size);
ctx.lineTo(game.mouse.x, game.mouse.y + size);
ctx.lineWidth = 2;
ctx.strokeStyle = "#000"; //'rgba(0,0,0,0.4)'
ctx.stroke(); // Draw it
},
drawList: [], //so you can draw a first frame of explosions.. I know this is bad
drawTime: 8, //how long circles are drawn. use to push into drawlist.time
mobDmgColor: "rgba(255,0,0,0.7)", //used top push into drawList.color
playerDmgColor: "rgba(0,0,0,0.7)", //used top push into drawList.color
drawCircle() {
//draws a circle for two cycles, used for showing damage mostly
let i = game.drawList.length;
while (i--) {
ctx.beginPath(); //draw circle
ctx.arc(game.drawList[i].x, game.drawList[i].y, game.drawList[i].radius, 0, 2 * Math.PI);
ctx.fillStyle = game.drawList[i].color;
ctx.fill();
if (game.drawList[i].time) {
//remove when timer runs out
game.drawList[i].time--;
} else {
game.drawList.splice(i, 1);
}
}
},
lastLogTime: 0,
lastLogTimeBig: 0,
boldActiveGunHUD() {
if (b.inventory.length > 0) {
for (let i = 0, len = b.inventory.length; i < len; ++i) {
// document.getElementById(b.inventory[i]).style.fontSize = "25px";
document.getElementById(b.inventory[i]).style.opacity = "0.3";
}
// document.getElementById(b.activeGun).style.fontSize = "30px";
if (document.getElementById(b.activeGun)) document.getElementById(b.activeGun).style.opacity = "1";
}
if (mod.isEntanglement && document.getElementById("mod-entanglement")) {
if (b.inventory[0] === b.activeGun) {
let lessDamage = 1
for (let i = 0, len = b.inventory.length; i < len; i++) {
lessDamage *= 0.84 // 1 - 0.16
}
document.getElementById("mod-entanglement").innerHTML = " " + ((1 - lessDamage) * 100).toFixed(0) + "%"
} else {
document.getElementById("mod-entanglement").innerHTML = " 0%"
}
}
},
updateGunHUD() {
for (let i = 0, len = b.inventory.length; i < len; ++i) {
document.getElementById(b.inventory[i]).innerHTML = b.guns[b.inventory[i]].name + " - " + b.guns[b.inventory[i]].ammo;
}
},
makeGunHUD() {
//remove all nodes
const myNode = document.getElementById("guns");
while (myNode.firstChild) {
myNode.removeChild(myNode.firstChild);
}
//add nodes
for (let i = 0, len = b.inventory.length; i < len; ++i) {
const node = document.createElement("div");
node.setAttribute("id", b.inventory[i]);
let textnode = document.createTextNode(b.guns[b.inventory[i]].name + " - " + b.guns[b.inventory[i]].ammo);
node.appendChild(textnode);
document.getElementById("guns").appendChild(node);
}
game.boldActiveGunHUD();
},
updateModHUD() {
let text = ""
for (let i = 0, len = mod.mods.length; i < len; i++) { //add mods
if (mod.mods[i].count > 0) {
if (text) text += "
" //add a new line, but not on the first line
text += mod.mods[i].name
if (mod.mods[i].nameInfo) text += mod.mods[i].nameInfo
if (mod.mods[i].count > 1) text += ` (${mod.mods[i].count}x)`
}
}
document.getElementById("mods").innerHTML = text
mod.onHealthChange()
},
replaceTextLog: true,
//
SVGleftMouse: '',
SVGrightMouse: '',
makeTextLog(text, time = 180) {
if (game.replaceTextLog) {
document.getElementById("text-log").innerHTML = text;
document.getElementById("text-log").style.opacity = 1;
game.lastLogTime = mech.cycle + time;
}
},
textLog() {
if (game.lastLogTime && game.lastLogTime < mech.cycle) {
game.lastLogTime = 0;
game.replaceTextLog = true
// document.getElementById("text-log").innerHTML = " ";
document.getElementById("text-log").style.opacity = 0;
}
},
nextGun() {
if (b.inventory.length > 0) {
b.inventoryGun++;
if (b.inventoryGun > b.inventory.length - 1) b.inventoryGun = 0;
game.switchGun();
}
},
previousGun() {
if (b.inventory.length > 0) {
b.inventoryGun--;
if (b.inventoryGun < 0) b.inventoryGun = b.inventory.length - 1;
game.switchGun();
}
},
switchGun() {
if (mod.noAmmo) mod.noAmmo = 1 //this prevents hacking the mod by switching guns
b.activeGun = b.inventory[b.inventoryGun];
game.updateGunHUD();
game.boldActiveGunHUD();
// mech.drop();
},
keyPress() { //runs on key down event
if (keys[189] || keys[79]) {
// - key
game.isAutoZoom = false;
game.zoomScale /= 0.9;
game.setZoom();
} else if (keys[187] || keys[73]) {
// = key
game.isAutoZoom = false;
game.zoomScale *= 0.9;
game.setZoom();
}
//full screen toggle
// if (keys[13]) {
// //enter key
// var doc = window.document;
// var docEl = doc.documentElement;
// var requestFullScreen = docEl.requestFullscreen || docEl.mozRequestFullScreen || docEl.webkitRequestFullScreen || docEl.msRequestFullscreen;
// var cancelFullScreen = doc.exitFullscreen || doc.mozCancelFullScreen || doc.webkitExitFullscreen || doc.msExitFullscreen;
// if (!doc.fullscreenElement && !doc.mozFullScreenElement && !doc.webkitFullscreenElement && !doc.msFullscreenElement) {
// requestFullScreen.call(docEl);
// } else {
// cancelFullScreen.call(doc);
// }
// setupCanvas();
// }
if (keys[69]) {
// e swap to next active gun
game.nextGun();
} else if (keys[81]) {
//q swap to previous active gun
game.previousGun();
}
if (keys[80] && !game.isChoosing) { //p for pause
if (game.paused) {
build.unPauseGrid()
game.paused = false;
level.levelAnnounce();
document.body.style.cursor = "none";
requestAnimationFrame(cycle);
} else {
game.paused = true;
game.replaceTextLog = true;
// game.makeTextLog("
PAUSED
", 1);
//display grid
// document.title = "PAUSED: press P to resume";
build.pauseGrid()
document.body.style.cursor = "auto";
}
}
//toggle testing mode
if (keys[84]) {
// 84 = t
if (game.testing) {
game.testing = false;
game.loop = game.normalLoop
if (game.isConstructionMode) {
document.getElementById("construct").style.display = 'none'
}
} else {
game.testing = true;
if (game.isConstructionMode) {
document.getElementById("construct").style.display = 'inline'
}
game.loop = game.testingLoop
}
}
//in testing mode
if (game.testing) {
if (keys[192]) { // `
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "reroll");
} else if (keys[49]) { // give power ups with 1
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "heal");
} else if (keys[50]) { // 2
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "ammo");
} else if (keys[51]) { // 3
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "gun");
} else if (keys[52]) { // 4
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "field");
} else if (keys[53]) { // 5
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "mod");
} else if (keys[54]) { // 6 spawn mob
const pick = spawn.fullPickList[Math.floor(Math.random() * spawn.fullPickList.length)];
spawn.allowShields = false;
spawn[pick](game.mouseInGame.x, game.mouseInGame.y);
spawn.allowShields = true;
} else if (keys[55]) { // 7 spawn body
index = body.length
spawn.bodyRect(game.mouseInGame.x, game.mouseInGame.y, 50, 50);
body[index].collisionFilter.category = cat.body;
body[index].collisionFilter.mask = cat.player | cat.map | cat.body | cat.bullet | cat.mob | cat.mobBullet
body[index].classType = "body";
World.add(engine.world, body[index]); //add to world
} else if (keys[70]) { //cycle fields with F
const mode = (mech.fieldMode === mech.fieldUpgrades.length - 1) ? 0 : mech.fieldMode + 1
mech.setField(mode)
} else if (keys[71]) { // give all guns with G
b.giveGuns("all", 1000)
} else if (keys[72]) { // heal with H
mech.addHealth(Infinity)
mech.energy = mech.maxEnergy;
} else if (keys[89]) { //add mods with y
mod.giveMod()
} else if (keys[82]) { // teleport to mouse with R
Matter.Body.setPosition(player, game.mouseInGame);
Matter.Body.setVelocity(player, {
x: 0,
y: 0
});
// game.noCameraScroll()
} else if (keys[85]) { // next level with U
level.zoneActions.nextLevel();
}
}
},
zoom: null,
zoomScale: 1000,
isAutoZoom: true,
setZoom(zoomScale = game.zoomScale) { //use in window resize in index.js
game.zoomScale = zoomScale
game.zoom = canvas.height / zoomScale; //sets starting zoom scale
},
zoomTransition(newZoomScale, step = 2) {
if (game.isAutoZoom) {
const isBigger = (newZoomScale - game.zoomScale > 0) ? true : false;
requestAnimationFrame(zLoop);
const currentLevel = level.onLevel
function zLoop() {
if (currentLevel !== level.onLevel || game.isAutoZoom === false) return //stop the zoom if player goes to a new level
if (isBigger) {
game.zoomScale += step
if (game.zoomScale >= newZoomScale) {
game.setZoom(newZoomScale);
return
}
} else {
game.zoomScale -= step
if (game.zoomScale <= newZoomScale) {
game.setZoom(newZoomScale);
return
}
}
game.setZoom();
requestAnimationFrame(zLoop);
}
}
},
zoomInFactor: 0,
startZoomIn(time = 180) {
game.zoom = 0;
let count = 0;
requestAnimationFrame(zLoop);
function zLoop() {
game.zoom += canvas.height / game.zoomScale / time;
count++;
if (count < time) {
requestAnimationFrame(zLoop);
} else {
game.setZoom();
}
}
},
noCameraScroll() {
// makes the camera not scroll after changing locations
mech.pos.x = player.position.x;
mech.pos.y = playerBody.position.y - mech.yOff;
const scale = 0.8;
mech.transSmoothX = canvas.width2 - mech.pos.x - (game.mouse.x - canvas.width2) * scale;
mech.transSmoothY = canvas.height2 - mech.pos.y - (game.mouse.y - canvas.height2) * scale;
mech.transX += (mech.transSmoothX - mech.transX) * 1;
mech.transY += (mech.transSmoothY - mech.transY) * 1;
},
camera() {
ctx.save();
ctx.translate(canvas.width2, canvas.height2); //center
ctx.scale(game.zoom, game.zoom); //zoom in once centered
ctx.translate(-canvas.width2 + mech.transX, -canvas.height2 + mech.transY); //translate
//calculate in game mouse position by undoing the zoom and translations
game.mouseInGame.x = (game.mouse.x - canvas.width2) / game.zoom + canvas.width2 - mech.transX;
game.mouseInGame.y = (game.mouse.y - canvas.height2) / game.zoom + canvas.height2 - mech.transY;
},
restoreCamera() {
ctx.restore();
},
wipe() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
},
gravity() {
function addGravity(bodies, magnitude) {
for (var i = 0; i < bodies.length; i++) {
bodies[i].force.y += bodies[i].mass * magnitude;
}
}
addGravity(powerUp, game.g);
addGravity(body, game.g);
player.force.y += player.mass * mech.gravity;
},
reset() { //run on first run, and each later run after you die
b.inventory = []; //removes guns and ammo
for (let i = 0, len = b.guns.length; i < len; ++i) {
b.guns[i].count = 0;
b.guns[i].have = false;
if (b.guns[i].ammo != Infinity) b.guns[i].ammo = 0;
}
b.activeGun = null;
mod.setupAllMods(); //sets mods to default values
b.setFireCD();
game.updateModHUD();
powerUps.totalPowerUps = 0;
powerUps.reroll.rerolls = 0;
mech.maxHealth = 1
mech.maxEnergy = 1
mech.energy = 1
game.paused = false;
engine.timing.timeScale = 1;
game.fpsCap = game.fpsCapDefault;
game.isAutoZoom = true;
game.makeGunHUD();
mech.drop();
mech.holdingTarget = null
mech.addHealth(Infinity);
mech.alive = true;
level.onLevel = 0;
level.levelsCleared = 0;
//resetting difficulty
game.dmgScale = 1;
b.dmgScale = 0.7;
game.accelScale = 1;
game.lookFreqScale = 1;
game.CDScale = 1;
game.difficulty = 0;
game.difficultyMode = Number(document.getElementById("difficulty-select").value)
level.isBuildRun = false;
build.isCustomSelection = false;
if (game.difficultyMode === 0) {
game.isEasyMode = true;
game.difficultyMode = 1
level.difficultyDecrease(6); //if this stops being -6 change in build.calculateCustomDifficulty()
}
if (game.difficultyMode === 4) level.difficultyIncrease(2)
game.clearNow = true;
document.getElementById("text-log").style.opacity = 0;
document.getElementById("fade-out").style.opacity = 0;
document.title = "n-gon";
//set to default field
mech.fieldMode = 0;
game.replaceTextLog = true;
game.makeTextLog(`${game.SVGrightMouse} ${mech.fieldUpgrades[mech.fieldMode].name}
${mech.fieldUpgrades[mech.fieldMode].description}`, 600);
mech.setField(mech.fieldMode)
},
firstRun: true,
splashReturn() {
game.onTitlePage = true;
// document.getElementById('splash').onclick = 'run(this)';
// build.isURLBuild = false;
document.getElementById("splash").onclick = function () {
game.startGame();
};
document.getElementById("choose-grid").style.display = "none"
document.getElementById("info").style.display = "inline";
document.getElementById("build-button").style.display = "inline"
document.getElementById("build-grid").style.display = "none"
document.getElementById("pause-grid-left").style.display = "none"
document.getElementById("pause-grid-right").style.display = "none"
document.getElementById("splash").style.display = "inline";
document.getElementById("dmg").style.display = "none";
document.getElementById("health-bg").style.display = "none";
document.body.style.cursor = "auto";
},
fpsInterval: 0, //set in startGame
then: null,
startGame() {
if (!level.isBuildRun) { //if a build run logic flow returns to "build-button").addEventListener
document.body.style.cursor = "none";
document.body.style.overflow = "hidden"
}
game.onTitlePage = false;
document.getElementById("choose-grid").style.display = "none"
document.getElementById("build-grid").style.display = "none"
document.getElementById("info").style.display = "none";
document.getElementById("build-button").style.display = "none";
document.getElementById("splash").onclick = null; //removes the onclick effect so the function only runs once
document.getElementById("splash").style.display = "none"; //hides the element that spawned the function
document.getElementById("dmg").style.display = "inline";
document.getElementById("health-bg").style.display = "inline";
// window.onmousedown = function (e) {
// //mouse up event in set in index.js
// // game.mouseDown = true;
// if (e.which === 3) {
// game.mouseDownRight = true;
// } else {
// game.mouseDown = true;
// }
// // keep this disabled unless building maps
// // if (!game.mouseDown){
// // game.getCoords.pos1.x = Math.round(game.mouseInGame.x / 25) * 25;
// // game.getCoords.pos1.y = Math.round(game.mouseInGame.y / 25) * 25;
// // }
// // mech.throwBlock();
// };
if (game.firstRun) {
mech.spawn(); //spawns the player
mod.setupAllMods(); //doesn't run on reset so that gun mods carry over to new runs
function shuffle(array) {
var currentIndex = array.length,
temporaryValue,
randomIndex;
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = array[currentIndex];
array[currentIndex] = array[randomIndex];
array[randomIndex] = temporaryValue;
}
return array;
}
if (game.isCommunityMaps) level.levels.push("stronghold");
level.levels = shuffle(level.levels); //shuffles order of maps
level.levels.unshift("bosses"); //add bosses level to the end of the randomized levels list
}
game.reset();
game.firstRun = false;
//setup FPS cap
game.fpsInterval = 1000 / game.fpsCap;
game.then = Date.now();
requestAnimationFrame(cycle); //starts game loop
},
clearNow: false,
clearMap() {
if (mod.isMineAmmoBack) {
let count = 0;
for (i = 0, len = bullet.length; i < len; i++) { //count mines left on map
if (bullet[i].bulletType === "mine") count++
}
for (i = 0, len = b.guns.length; i < len; i++) { //find which gun is mine
if (b.guns[i].name === "mine") {
if (mod.noAmmo) count = Math.ceil(count / 2)
b.guns[i].ammo += count
game.updateGunHUD();
break;
}
}
}
if (mod.isMutualism && !mod.isEnergyHealth) {
for (let i = 0; i < bullet.length; i++) {
if (bullet[i].isMutualismActive) {
mech.health += 0.01
if (mech.health > mech.maxHealth) mech.health = mech.maxHealth;
mod.onHealthChange();
mech.displayHealth();
}
}
}
powerUps.totalPowerUps = powerUp.length
//if player is holding something this remembers it before it gets deleted
let holdTarget;
if (mech.holdingTarget) {
holdTarget = mech.holdingTarget;
}
mech.fireCDcycle = 0
mech.drop();
level.fill = [];
level.fillBG = [];
level.zones = [];
level.queryList = [];
game.drawList = [];
function removeAll(array) {
for (let i = 0; i < array.length; ++i) Matter.World.remove(engine.world, array[i]);
}
removeAll(map);
map = [];
removeAll(body);
body = [];
removeAll(mob);
mob = [];
removeAll(powerUp);
powerUp = [];
removeAll(cons);
cons = [];
removeAll(consBB);
consBB = [];
removeAll(bullet);
bullet = [];
// if player was holding something this makes a new copy to hold
if (holdTarget) {
len = body.length;
body[len] = Matter.Bodies.fromVertices(0, 0, holdTarget.vertices, {
friction: holdTarget.friction,
frictionAir: holdTarget.frictionAir,
frictionStatic: holdTarget.frictionStatic
});
mech.holdingTarget = body[len];
}
},
getCoords: {
//used when building maps, outputs a draw rect command to console, only works in testing mode
pos1: {
x: 0,
y: 0
},
pos2: {
x: 0,
y: 0
},
out() {
if (keys[49]) {
game.getCoords.pos1.x = Math.round(game.mouseInGame.x / 25) * 25;
game.getCoords.pos1.y = Math.round(game.mouseInGame.y / 25) * 25;
}
if (keys[50]) {
//press 1 in the top left; press 2 in the bottom right;copy command from console
game.getCoords.pos2.x = Math.round(game.mouseInGame.x / 25) * 25;
game.getCoords.pos2.y = Math.round(game.mouseInGame.y / 25) * 25;
window.getSelection().removeAllRanges();
var range = document.createRange();
range.selectNode(document.getElementById("test"));
window.getSelection().addRange(range);
document.execCommand("copy");
window.getSelection().removeAllRanges();
console.log(`spawn.mapRect(${game.getCoords.pos1.x}, ${game.getCoords.pos1.y}, ${game.getCoords.pos2.x - game.getCoords.pos1.x}, ${game.getCoords.pos2.y - game.getCoords.pos1.y}); //`);
}
}
},
checks() {
if (!(mech.cycle % 60)) { //once a second
if (mech.pos.y > game.fallHeight) { // if 4000px deep
if (game.difficultyMode > 2) {
mech.death();
} else {
Matter.Body.setVelocity(player, {
x: 0,
y: 0
});
Matter.Body.setPosition(player, {
x: level.enter.x + 50,
y: level.enter.y - 20
});
// Matter.Body.setPosition(player, {
// x: player.position.x,
// y: -7000
// });
// game.noCameraScroll()
if (game.difficultyMode === 2) mech.damage(0.3);
if (game.difficultyMode === 1) mech.damage(0.1);
mech.energy = 0;
}
}
// if (mod.isEnergyDamage) {
// document.getElementById("mod-capacitor").innerHTML = `(+${(mech.energy/0.05).toFixed(0)}%)`
// }
// if (mod.isRest) {
// if (player.speed < 1) {
// document.getElementById("mod-rest").innerHTML = `(+20%)`
// } else {
// document.getElementById("mod-rest").innerHTML = `(+0%)`
// }
// }
if (mech.lastKillCycle + 300 > mech.cycle) { //effects active for 5 seconds after killing a mob
if (mod.isEnergyRecovery && mech.energy < mech.maxEnergy) mech.energy += mech.maxEnergy * 0.06
if (mod.isHealthRecovery) mech.addHealth(0.01)
}
if (!(game.cycle % 420)) { //once every 7 seconds
fallCheck = function (who, save = false) {
let i = who.length;
while (i--) {
if (who[i].position.y > game.fallHeight) {
if (save && game.difficultyMode < 3) {
Matter.Body.setVelocity(who[i], {
x: 0,
y: 0
});
Matter.Body.setPosition(who[i], {
x: level.exit.x + 30 * (Math.random() - 0.5),
y: level.exit.y + 30 * (Math.random() - 0.5)
});
} else {
Matter.World.remove(engine.world, who[i]);
who.splice(i, 1);
}
}
}
};
fallCheck(mob);
fallCheck(body);
fallCheck(powerUp, true);
}
}
},
testingOutput() {
if (!game.isConstructionMode) {
ctx.textAlign = "right";
ctx.fillStyle = "#000";
let line = 500;
const x = canvas.width - 5;
ctx.fillText("T: exit testing mode", x, line);
line += 20;
ctx.fillText("Y: give all mods", x, line);
line += 20;
ctx.fillText("R: teleport to mouse", x, line);
line += 20;
ctx.fillText("F: cycle field", x, line);
line += 20;
ctx.fillText("G: give all guns", x, line);
line += 20;
ctx.fillText("H: heal", x, line);
line += 20;
ctx.fillText("U: next level", x, line);
line += 20;
ctx.fillText("1-7: spawn things", x, line);
}
ctx.textAlign = "center";
ctx.fillText(`(${game.mouseInGame.x.toFixed(1)}, ${game.mouseInGame.y.toFixed(1)})`, game.mouse.x, game.mouse.y - 20);
},
draw: {
powerUp() {
ctx.globalAlpha = 0.4 * Math.sin(mech.cycle * 0.15) + 0.6;
for (let i = 0, len = powerUp.length; i < len; ++i) {
ctx.beginPath();
ctx.arc(powerUp[i].position.x, powerUp[i].position.y, powerUp[i].size, 0, 2 * Math.PI);
ctx.fillStyle = powerUp[i].color;
ctx.fill();
}
ctx.globalAlpha = 1;
},
// map: function() {
// ctx.beginPath();
// for (let i = 0, len = map.length; i < len; ++i) {
// let vertices = map[i].vertices;
// ctx.moveTo(vertices[0].x, vertices[0].y);
// for (let j = 1; j < vertices.length; j += 1) {
// ctx.lineTo(vertices[j].x, vertices[j].y);
// }
// ctx.lineTo(vertices[0].x, vertices[0].y);
// }
// ctx.fillStyle = "#444";
// ctx.fill();
// },
mapPath: null, //holds the path for the map to speed up drawing
setPaths() {
//runs at each new level to store the path for the map since the map doesn't change
game.draw.mapPath = new Path2D();
for (let i = 0, len = map.length; i < len; ++i) {
let vertices = map[i].vertices;
game.draw.mapPath.moveTo(vertices[0].x, vertices[0].y);
for (let j = 1; j < vertices.length; j += 1) {
game.draw.mapPath.lineTo(vertices[j].x, vertices[j].y);
}
game.draw.mapPath.lineTo(vertices[0].x, vertices[0].y);
}
},
mapFill: "#444",
bodyFill: "rgba(140,140,140,0.85)", //"#999",
bodyStroke: "#222",
drawMapPath() {
ctx.fillStyle = game.draw.mapFill;
ctx.fill(game.draw.mapPath);
},
body() {
ctx.beginPath();
for (let i = 0, len = body.length; i < len; ++i) {
let vertices = body[i].vertices;
ctx.moveTo(vertices[0].x, vertices[0].y);
for (let j = 1; j < vertices.length; j++) {
ctx.lineTo(vertices[j].x, vertices[j].y);
}
ctx.lineTo(vertices[0].x, vertices[0].y);
}
ctx.lineWidth = 2;
ctx.fillStyle = game.draw.bodyFill;
ctx.fill();
ctx.strokeStyle = game.draw.bodyStroke;
ctx.stroke();
},
cons() {
ctx.beginPath();
for (let i = 0, len = cons.length; i < len; ++i) {
ctx.moveTo(cons[i].pointA.x, cons[i].pointA.y);
ctx.lineTo(cons[i].bodyB.position.x, cons[i].bodyB.position.y);
}
for (let i = 0, len = consBB.length; i < len; ++i) {
ctx.moveTo(consBB[i].bodyA.position.x, consBB[i].bodyA.position.y);
ctx.lineTo(consBB[i].bodyB.position.x, consBB[i].bodyB.position.y);
}
ctx.lineWidth = 2;
// ctx.strokeStyle = "#999";
ctx.strokeStyle = "rgba(0,0,0,0.15)";
ctx.stroke();
},
wireFrame() {
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.fillStyle = "#999";
const bodies = Composite.allBodies(engine.world);
ctx.beginPath();
for (let i = 0; i < bodies.length; ++i) {
//ctx.fillText(bodies[i].id,bodies[i].position.x,bodies[i].position.y); //shows the id of every body
let vertices = bodies[i].vertices;
ctx.moveTo(vertices[0].x, vertices[0].y);
for (let j = 1; j < vertices.length; j += 1) {
ctx.lineTo(vertices[j].x, vertices[j].y);
}
ctx.lineTo(vertices[0].x, vertices[0].y);
}
ctx.lineWidth = 1;
ctx.strokeStyle = "#000";
ctx.stroke();
},
testing() {
//zones
ctx.beginPath();
for (let i = 0, len = level.zones.length; i < len; ++i) {
ctx.rect(level.zones[i].x1, level.zones[i].y1 + 70, level.zones[i].x2 - level.zones[i].x1, level.zones[i].y2 - level.zones[i].y1);
}
ctx.fillStyle = "rgba(0, 255, 0, 0.3)";
ctx.fill();
//query zones
ctx.beginPath();
for (let i = 0, len = level.queryList.length; i < len; ++i) {
ctx.rect(
level.queryList[i].bounds.max.x,
level.queryList[i].bounds.max.y,
level.queryList[i].bounds.min.x - level.queryList[i].bounds.max.x,
level.queryList[i].bounds.min.y - level.queryList[i].bounds.max.y
);
}
ctx.fillStyle = "rgba(0, 0, 255, 0.2)";
ctx.fill();
//jump
ctx.beginPath();
let bodyDraw = jumpSensor.vertices;
ctx.moveTo(bodyDraw[0].x, bodyDraw[0].y);
for (let j = 1; j < bodyDraw.length; ++j) {
ctx.lineTo(bodyDraw[j].x, bodyDraw[j].y);
}
ctx.lineTo(bodyDraw[0].x, bodyDraw[0].y);
ctx.fillStyle = "rgba(255, 0, 0, 0.3)";
ctx.fill();
ctx.strokeStyle = "#000";
ctx.stroke();
//main body
ctx.beginPath();
bodyDraw = playerBody.vertices;
ctx.moveTo(bodyDraw[0].x, bodyDraw[0].y);
for (let j = 1; j < bodyDraw.length; ++j) {
ctx.lineTo(bodyDraw[j].x, bodyDraw[j].y);
}
ctx.lineTo(bodyDraw[0].x, bodyDraw[0].y);
ctx.fillStyle = "rgba(0, 255, 255, 0.3)";
ctx.fill();
ctx.stroke();
//head
ctx.beginPath();
bodyDraw = playerHead.vertices;
ctx.moveTo(bodyDraw[0].x, bodyDraw[0].y);
for (let j = 1; j < bodyDraw.length; ++j) {
ctx.lineTo(bodyDraw[j].x, bodyDraw[j].y);
}
ctx.lineTo(bodyDraw[0].x, bodyDraw[0].y);
ctx.fillStyle = "rgba(255, 255, 0, 0.3)";
ctx.fill();
ctx.stroke();
//head sensor
ctx.beginPath();
bodyDraw = headSensor.vertices;
ctx.moveTo(bodyDraw[0].x, bodyDraw[0].y);
for (let j = 1; j < bodyDraw.length; ++j) {
ctx.lineTo(bodyDraw[j].x, bodyDraw[j].y);
}
ctx.lineTo(bodyDraw[0].x, bodyDraw[0].y);
ctx.fillStyle = "rgba(0, 0, 255, 0.3)";
ctx.fill();
ctx.stroke();
}
},
checkLineIntersection(v1, v1End, v2, v2End) {
// if the lines intersect, the result contains the x and y of the intersection (treating the lines as infinite) and booleans for whether line segment 1 or line segment 2 contain the point
let denominator, a, b, numerator1, numerator2;
let result = {
x: null,
y: null,
onLine1: false,
onLine2: false
};
denominator = (v2End.y - v2.y) * (v1End.x - v1.x) - (v2End.x - v2.x) * (v1End.y - v1.y);
if (denominator == 0) {
return result;
}
a = v1.y - v2.y;
b = v1.x - v2.x;
numerator1 = (v2End.x - v2.x) * a - (v2End.y - v2.y) * b;
numerator2 = (v1End.x - v1.x) * a - (v1End.y - v1.y) * b;
a = numerator1 / denominator;
b = numerator2 / denominator;
// if we cast these lines infinitely in both directions, they intersect here:
result.x = v1.x + a * (v1End.x - v1.x);
result.y = v1.y + a * (v1End.y - v1.y);
// if line1 is a segment and line2 is infinite, they intersect if:
if (a > 0 && a < 1) result.onLine1 = true;
// if line2 is a segment and line1 is infinite, they intersect if:
if (b > 0 && b < 1) result.onLine2 = true;
// if line1 and line2 are segments, they intersect if both of the above are true
return result;
},
copyToClipBoard(value) {
// Create a fake textarea
const textAreaEle = document.createElement('textarea');
// Reset styles
textAreaEle.style.border = '0';
textAreaEle.style.padding = '0';
textAreaEle.style.margin = '0';
// Set the absolute position
// User won't see the element
textAreaEle.style.position = 'absolute';
textAreaEle.style.left = '-9999px';
textAreaEle.style.top = `0px`;
// Set the value
textAreaEle.value = value
// Append the textarea to body
document.body.appendChild(textAreaEle);
// Focus and select the text
textAreaEle.focus();
textAreaEle.select();
// Execute the "copy" command
try {
document.execCommand('copy');
} catch (err) {
// Unable to copy
} finally {
// Remove the textarea
document.body.removeChild(textAreaEle);
}
},
constructMouseDownPosition: {
x: 0,
y: 0
},
constructMapString: [],
constructCycle() {
if (game.isConstructionMode && game.constructMouseDownPosition) {
function round(num, round = 25) {
return Math.ceil(num / round) * round;
}
const x = round(game.constructMouseDownPosition.x)
const y = round(game.constructMouseDownPosition.y)
const dx = Math.max(25, round(game.mouseInGame.x) - x)
const dy = Math.max(25, round(game.mouseInGame.y) - y)
ctx.strokeStyle = "#000"
ctx.lineWidth = 2;
ctx.strokeRect(x, y, dx, dy);
}
},
outputMapString(string) {
if (string) game.constructMapString.push(string) //store command as a string in the next element of an array
let out = "" //combine set of map strings to one string
let outHTML = ""
for (let i = 0, len = game.constructMapString.length; i < len; i++) {
out += game.constructMapString[i];
outHTML += "" + game.constructMapString[i] + "
"
}
game.copyToClipBoard(out)
document.getElementById("construct").innerHTML = outHTML
},
enableConstructMode() {
game.isConstructionMode = true;
game.isAutoZoom = false;
document.body.addEventListener("mouseup", (e) => {
if (game.testing && game.constructMouseDownPosition) {
function round(num, round = 25) {
return Math.ceil(num / round) * round;
}
//clean up positions
const x = round(game.constructMouseDownPosition.x)
const y = round(game.constructMouseDownPosition.y)
const dx = Math.max(25, round(game.mouseInGame.x) - x)
const dy = Math.max(25, round(game.mouseInGame.y) - y)
if (e.which === 2) {
game.outputMapString(`spawn.randomMob(${x}, ${y},0.5);`);
} else if (game.mouseInGame.x > game.constructMouseDownPosition.x && game.mouseInGame.y > game.constructMouseDownPosition.y) { //make sure that the width and height are positive
if (e.which === 1) { //add map
game.outputMapString(`spawn.mapRect(${x}, ${y}, ${dx}, ${dy});`);
//see map in world
spawn.mapRect(x, y, dx, dy);
len = map.length - 1
map[len].collisionFilter.category = cat.map;
map[len].collisionFilter.mask = cat.player | cat.map | cat.body | cat.bullet | cat.powerUp | cat.mob | cat.mobBullet;
Matter.Body.setStatic(map[len], true); //make static
World.add(engine.world, map[len]); //add to world
game.draw.setPaths() //update map graphics
} else if (e.which === 3) { //add body
game.outputMapString(`spawn.bodyRect(${x}, ${y}, ${dx}, ${dy});`);
//see map in world
spawn.bodyRect(x, y, dx, dy);
len = body.length - 1
body[len].collisionFilter.category = cat.body;
body[len].collisionFilter.mask = cat.player | cat.map | cat.body | cat.bullet | cat.mob | cat.mobBullet
World.add(engine.world, body[len]); //add to world
body[len].classType = "body"
}
}
}
game.constructMouseDownPosition.x = undefined
game.constructMouseDownPosition.y = undefined
});
game.constructMouseDownPosition.x = undefined
game.constructMouseDownPosition.y = undefined
document.body.addEventListener("mousedown", (e) => {
if (game.testing) {
game.constructMouseDownPosition.x = game.mouseInGame.x
game.constructMouseDownPosition.y = game.mouseInGame.y
}
});
document.body.addEventListener("keydown", (e) => { // e.keyCode z=90 m=77 b=66 shift = 16 c = 67
if (game.testing && e.keyCode === 90 && game.constructMapString.length) {
if (game.constructMapString[game.constructMapString.length - 1][6] === 'm') { //remove map from current level
const index = map.length - 1
Matter.World.remove(engine.world, map[index]);
map.splice(index, 1);
game.draw.setPaths() //update map graphics
} else if (game.constructMapString[game.constructMapString.length - 1][6] === 'b') { //remove body from current level
const index = body.length - 1
Matter.World.remove(engine.world, body[index]);
body.splice(index, 1);
}
game.constructMapString.pop();
game.outputMapString();
}
});
}
};