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run-simulation.js
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/**
* Scroll to start coding line
*
* The code below is just for structure, ignore it unless you absolutely need too change it
**/
const baseW = 1000, baseH = 500; //The base size to use for dynamic scaling
const constWindowWidth = window.innerWidth, constWindowHeight = window.innerHeight; //Define window height
const constActualPaddingToUse = constWindowWidth * (0.005); //The padding to use on every side
//Define all required components, I.E. Engine is Matter.Engine, Render is Matter.Render, ect.
let Axes = Matter.Axes,
Bodies = Matter.Bodies,
Body = Matter.Body,
Bounds = Matter.Bounds,
Common = Matter.Common,
Composite = Matter.Composite,
Composites = Matter.Composites,
Constraint = Matter.Constraint,
Contact = Matter.Contact,
Detector = Matter.Detector,
Engine = Matter.Engine,
Events = Matter.Events,
Grid = Matter.Grid,
Mouse = Matter.Mouse,
MouseConstraint = Matter.MouseConstraint,
Render = Matter.Render,
Resolver = Matter.Resolver,
Runner = Matter.Runner,
Sleeping = Matter.Sleeping,
Svg = Matter.Svg,
Vector = Matter.Vector,
Vertices = Matter.Vertices,
World = Matter.World;
/* Camera Control */
let keyInputData = {
up: {
active: false,
offset: [0, -1],
},
down: {
active: false,
offset: [0, 1],
},
left: {
active: false,
offset: [-1, 0],
},
right: {
active: false,
offset: [1, 0],
},
speed: false,
pause: false,
}
let Camera = {
//Define base camera x and y
x: -1000,
y: -1000,
scale: 1,
steps: [],
t: 0,
};
/* Detect inputs */
let counter = 0;
//Set key to pressed
function simpleKeyPress(key, pressed) {
switch (key) {
case 'w':
case 'ArrowUp':
keyInputData.up.active = pressed;
break;
case 's':
case 'ArrowDown':
keyInputData.down.active = pressed;
break;
case 'a':
case 'ArrowLeft':
keyInputData.left.active = pressed;
break;
case 'd':
case 'ArrowRight':
keyInputData.right.active = pressed;
break;
case ' ':
if (pressed) {
break;
}
keyInputData.pause = !keyInputData.pause;
break;
case 'e':
keyInputData.speed = pressed;
break;
case 'r':
if (pressed) {
break;
}
Camera.t -= 0.25;
break;
case 't':
if (pressed) {
break;
}
Camera.t += 0.25;
break;
case 'l':
if (pressed) {
break
}
counter ++;
if (counter <= 1) {
break
}
Camera.t += 1000;
for (const step of Camera.steps) {
if (step.untilNextStage) {
step.time = 0;
step.untilNextStage = undefined;
}
}
break;
}
}
document.addEventListener('click', event => {
started = true;
});
document.addEventListener('touchend', event => {
started = true;
});
//Registers when key is pressed down
document.addEventListener("keydown", event => {
simpleKeyPress(event.key, true)
});
//Registers when key is released
document.addEventListener("keyup", event => {
simpleKeyPress(event.key, false)
});
//Registers when scroll wheel is used
document.addEventListener("wheel", event => {
let zoomThresh = 0.85;
if (event.deltaY !== 0) {
if (event.deltaY > 0) {
Camera.scale *= (zoomThresh);
} else {
Camera.scale *= (1 / zoomThresh);
}
}
})
let runBefore = false;
let currentModule = -1;
let modules = [
{
init: gonzalezM0,
xOffset: -1000,
yOffset: -1000,
enabled: true,
},
{
init: gonzalezM1Init,
xOffset: 0,
yOffset: 0,
enabled: false,
},
{
init: gandhiM1Init,
onUpdate: gandhiM1Update,
transferTo: gonzalezM1ToGandhiM1,
xOffset: 8772,
yOffset: 9142,
enabled: false,
},
{
init: anandaniM1Init,
xOffset: 14050,
yOffset: 11350,
enabled: false,
},
{
init: anandaniM2Init,
transferTo: anandaniM1ToAnandaniM2,
xOffset: 19300,
yOffset: 12350,
enabled: false,
},
{
init: gonzalezM2Init,
xOffset: 27100,
yOffset: 12875,
enabled: false,
},
];
let onUpdate;
let started = false;
let sound;
let soundPlaying = false
let timeouts = [];
function runNext() {
currentModule += 1;
let current = modules[currentModule]
if (!current) {
return
}
let previous = currentModule > 1 ? modules[currentModule - 1] : undefined;
if (previous) {
relTimeout(function() {
removeInit(previous)
}, 15 * 1000);
}
init(current, previous);
}
function setup() {
if (runBefore) {
return
}
runBefore = true;
console.log("Running setup")
let actualW = constWindowWidth - (constActualPaddingToUse * 2); //The actual width to use
let actualH = constWindowHeight - (constActualPaddingToUse * 2); //The actual height to use
createCanvas(actualW, actualH)
console.log("Running inits")
// Start the menu & first world, but simulation won't actually start until menu ends
runNext();
runNext();
// runNext();
// runNext();
// runNext();
addStep(Camera.x + 500 + 1000, Camera.y + 250 + 1000, 1, 0)
addStep(0, 100, 1, 10)
addStep(100, 300, 1, 5)
addStep(200, 400, 1, 2)
addStep(500, 200, 0.75, 2)
addStep(1500, 200, 0.75, 5)
addStep(0, 0, 0.5, 3)
addStep(0, 1500, 0.25, 3)
addStep(-1000, 0, 0.5, 3)
addStep(500, 1450, 0.25, 2.5)
addStep(3000, 0, 0.25, 5)
addStep(1500, 1000, 0.25, 5)
addStep(250, 0, 0.25, 3)
addStep(200, 1000, 0.5, 3.5)
addStep(0, 2000, 0.5, 5)
addStep(1150, 1000, 0.65, 3)
addStep(0, 0, 0.65, 0, 2);
//Car moves to right
addStep(2000, 500, 0.5, 5);
addStep(500, 0, 0.75, 3.15);
addStep(0, 0, 0.75, 5);
addStep(650, -150, 1, 3);
addStep(0, 2000, 1, 14.5);
addStep(1000, 0, 0.35, 3)
addStep(2000, -200, 0.25, 3)
//Ronit
addStep(2000, 200, 0.35, 5)
addStep(1500, 200, 0.5, 3)
addStep(0, 750, 1, 6)
addStep(500, 0, 1, 2)
addStep(150, -500, 1, 3)
addStep(500, 500, 0.5, 2)
//Ronnit 2
addStep(1500, 150, 0.5, 3)
addStep(2500, 1500, 0.5, 2)
addStep(0, 0, 0.5, 10)
addStep(2250, 750, 0.35, 2)
addStep(1500, 0, 0.45, 2)
addStep(-1500, 0, 0.35, 2.5)
addStep(-1000, -1500, 0.35, 0.75)
addStep(0, 0, 0.35, 18)
addStep(-2500, 600, 0.35, 0.75)
addStep(0, 0, 0.35, 5.5)
addStep(-2000, 0, 0.35, 4)
addStep(0, 0, 0.35, 4)
addStep(0, -1250, 0.25, 3.5)
addStep(7550, 0, 0.75, 1.5)
addStep(0, 0, 0.75, 2.25)
//Timothy 2
addStep(200, 1250, 0.75, 3.5)
addStep(400, 750, 0.75, 0.5)
addStep(400, -750, 0.25, 0.5)
addStep(1000, 800, 0.35, 2.5)
addStep(1500, 4000, 0.25, 5)
addStep(0, 1000, 0.15, 3)
addStep(-1000, 500, 0.75, 4.5)
addStep(1350, 3250, 0.45, 4)
addStep(2000, 2000, 0.25, 8)
addStep(1000, 1000, 0.25, 2)
addStep(1550, -1000, 0.25, 2)
addStep(0, -3000, 0.25, 5)
addStep(0, -1500, 0.15, 3)
addStep(1500, 0, 0.1, 1.5)
addStep(3250, 600, 0.5, 5)
addStep(0, 0, 0.5, 5)
console.log("Running engine, started")
}
function drawBody(body, showF, iterative) {
if (body.parts.length > 1 && !iterative) {
let bodies = body.parts
for (let i = 1; i < bodies.length; i++) {
drawBody(bodies[i], body.show, true)
}
return;
}
if (!body.show && !showF) {
let fillColor = color(body.render.fillStyle);
let strokeColor = color(body.render.strokeStyle)
fillColor.setAlpha(255 * body.render.opacity)
strokeColor.setAlpha(255 * body.render.opacity)
fill(fillColor);
stroke(strokeColor)
strokeWeight(body.render.lineWidth)
if (!body.circleRadius) {
beginShape();
let vertices = Vertices.create(body.vertices);
for (let point of vertices) {
vertex(point.x, point.y);
}
endShape();
} else {
circle(body.position.x, body.position.y, body.circleRadius * 2);
}
} else {
if (body.show) {
body.show();
} else {
showF()
}
}
}
function drawConstraint(constraint) {
let realWorldPA = constraint.pointA;
if (!realWorldPA) {
realWorldPA = Vector.create(0,0)
}
if (constraint.bodyA) {
realWorldPA = Vector.add(realWorldPA, constraint.bodyA.position)
}
let realWorldPB = constraint.pointB;
if (!realWorldPB) {
realWorldPB = Vector.create(0,0)
}
if (constraint.bodyB) {
realWorldPB = Vector.add(realWorldPB, constraint.bodyB.position)
}
if (constraint.render.visible) {
fill('#000000')
noStroke();
circle(realWorldPA.x, realWorldPA.y, 5)
circle(realWorldPB.x, realWorldPB.y, 5)
if (realWorldPA.x - realWorldPB.x !== 0 || realWorldPA.y - realWorldPB.y !== 0) {
stroke('#000000')
let weight = 5 || constraint.render.lineWidth;
strokeWeight(weight)
line(realWorldPA.x, realWorldPA.y, realWorldPB.x, realWorldPB.y)
}
}
}
let volume = 0.1
function draw() {
if (started) {
if (lit) {
volume -= (0.1) / 300
if (volume <= 0) {
volume = 0;
}
sound.volume = volume
}
if (!soundPlaying) {
sound = document.getElementById("myAudio");
sound.volume = volume
let playPromise = sound.play();
if (playPromise !== undefined) {
playPromise.then(_ => {
soundPlaying = true
sound.onended = function () {
soundPlaying = false
}
})
.catch(error => {
console.log(error)
});
}
}
}
let nums = 1;
if (keyInputData.speed) {
nums = 15;
}
if (keyInputData.pause) {
nums = 0;
}
if (sound) {
sound.playbackRate = nums;
}
let prevCameraT = Camera.t
for (let i = 0; i < nums; i++) {
for (let j = 0; j < modules.length; j++) {
let on = modules[j];
if (on && on.engine && on.enabled && (started || j === 0)) {
Matter.Engine.update(on.engine, 1000 / 60, 1);
}
}
for (let j = timeouts.length - 1; j >= 0; j--) {
let on = timeouts[j];
on.timeLeft -= (1000 / 60);
if (on.timeLeft <= 0) {
on.handler();
timeouts.splice(j, 1)
}
}
if (started) {
Camera.t += (1 / 60)
}
if (onUpdate) {
onUpdate();
}
}
if (started) {
if (!Camera.steps[0]) {
console.log("Camera not setup")
} else {
let posX = Camera.steps[0].xDif;
let posY = Camera.steps[0].yDif;
let scaleF = 1;
let onStep = 0;
let timeLeft = Camera.t;
for (let i = 1; i < Camera.steps.length; i++) {
let on = Camera.steps[i];
if (on.untilNextStage !== undefined) {
// If on.untilNextStage, we want to mock a step that takes the current time spent on this stage
on.time += Camera.t - prevCameraT;
timeLeft -= on.time;
if (on.untilNextStage === currentModule) {
// Once we reach that stage, convert to a normal step that takes the time it took to get there
onStep = i
on.untilNextStage = undefined
} else {
break
}
} else if (timeLeft > on.time) {
onStep = i;
posX += on.xDif;
posY += on.yDif;
scaleF = on.scale;
timeLeft -= on.time;
} else {
break
}
}
if (onStep > 43) {
if (blowUpFinal) {
blowUpFinal();
blowUpFinal = false;
}
}
let nextStep = Camera.steps[onStep + 1];
if (nextStep) { //not out of bounds
let deltaT = (timeLeft) / nextStep.time
posX += (nextStep.xDif * deltaT)
posY += (nextStep.yDif * deltaT)
scaleF += ((nextStep.scale - scaleF) * deltaT)
Camera.x = posX;
Camera.y = posY;
Camera.scale = scaleF;
} else {
lit = true;
}
}
}
let change = [0, 0];
for (let keyName in keyInputData) {
let keyData = keyInputData[keyName];
if (keyData.active) {
change[0] += keyData.offset[0];
change[1] += keyData.offset[1];
}
}
const timeAcrossScreen = 1; //Time it takes to go across one full screen
let cameraSpeed = baseW * (1 / timeAcrossScreen / 60) * (1 / Camera.scale);
if (change[0] !== 0 || change[1] !== 0) { //If camera is updated, change viewport
Camera.x += change[0] * cameraSpeed;
Camera.y += change[1] * cameraSpeed;
}
noStroke()
fill(51)
rect(-15, -15, width + 15, height + 15)
let scaleFactor = Camera.scale * (constWindowWidth / baseW);
let bounds = {
min: {
x: Camera.x - ((width / 2) / scaleFactor),
y: Camera.y - ((height / 2) / scaleFactor),
},
max: {
x: Camera.x + ((width / 2) / scaleFactor),
y: Camera.y + ((height / 2) / scaleFactor),
},
}
modules.forEach((data, i) => {
if (i > currentModule) {
return
}
function runTranslatedHandler(handler, obj) {
push();
translate(data.xOffset * scaleFactor, data.yOffset * scaleFactor)
var boundsWidth = bounds.max.x - bounds.min.x,
boundsHeight = bounds.max.y - bounds.min.y,
boundsScaleX = boundsWidth / width,
boundsScaleY = boundsHeight / height;
scale(1 / boundsScaleX, 1 / boundsScaleY);
translate(-bounds.min.x, -bounds.min.y);
handler(obj)
pop();
}
let bodies = Composite.allBodies(data.world);
for (let obj of bodies) { //For each
runTranslatedHandler(drawBody, obj)
}
let constraints = Composite.allConstraints(data.world);
for (let obj of constraints) { //For each
runTranslatedHandler(drawConstraint, obj)
}
})
}
function addStep(xDif, yDif, scale, time, untilNextStage) {
Camera.steps.push({
xDif: xDif,
yDif: yDif,
scale: scale,
time: time,
untilNextStage: untilNextStage,
})
}
function init(module, prevModule) {
let engine = Engine.create();
let world = engine.world;
module.world = world;
module.engine = engine;
module.enabled = true;
onUpdate = undefined;
module.init({
world: world,
engine: engine,
})
if (module.onUpdate) {
onUpdate = module.onUpdate;
}
if (module.transferTo) {
module.transferTo(module, prevModule);
}
/*
Old code for singular-world model
let stillTracking = true;
let tracker = [];
Events.on(world, "beforeAdd", function(item) {
if (!stillTracking) {
return
}
if (!item.object.length) {
tracker.push(item.object)
} else {
item.object.forEach((obj)=> tracker.push(obj))
}
})
initFunction()
stillTracking = false;
function translateObj(obj) {
let v = Vector.create(xOffset, yOffset);
if (obj.type === 'body') {
Body.translate(obj, v);
} else if (obj.type === 'composite') {
Composite.translate(obj, v);
for (let i = 0; i < obj.constraints.length; i++) {
translateObj(obj.constraints[i])
}
} else if (obj.type === 'constraint') {
if (!obj.bodyA || obj.bodyA === world) {
obj.pointA = Vector.add(Vector.clone(obj.pointA), Vector.create(xOffset, yOffset))
}
if (!obj.bodyB || obj.bodyB === world) {
obj.pointB = Vector.add(Vector.clone(obj.pointB), Vector.create(xOffset, yOffset))
}
}
}
for (let i = 0; i < tracker.length; i++) {
let on = tracker[i];
translateObj(on)
}
return tracker; */
}
function removeInit(module) {
//TODO: Make work with modules
module.enabled = false;
// obj.forEach(function(item) {
// World.remove(world, item)
// })
}
//A remodeled version of set timeout which is consistent with the physics engine. implemented in draw
function relTimeout(handler, timeInMs) {
timeouts.push({
handler: handler,
timeLeft: timeInMs,
})
}
/*-----------------------------------------------------*/
/**
* Start coding your module here
*/
/**
* Gonzalez Module Menu
**/
function gonzalezM0(data) {
let world = data.world;
let engine = data.engine;
//Just a nice simple function, not required
function worldAdd(obj) {
World.add(world, obj)
}
let barrierColor = "#090909"
let barrier2Color = "#ff8300"
let barrier3Color = "#fa2525"
let objectColor = "#224b88"
let ys = 300
worldAdd(Bodies.circle(0, -50, 10, {
isStatic: true,
render: {
fillStyle: barrierColor
}
}))
worldAdd(Bodies.rectangle(0, -150 - ys, 750, 15, {
render: {
fillStyle: objectColor
}
}))
worldAdd(Bodies.rectangle(-300, -350 - ys, 50, 50, {
density: 0.0005,
render: {
fillStyle: barrier3Color
}
}))
worldAdd(Bodies.circle(300, -550 - ys, 50, {
density: 0.0005,
render: {
fillStyle: barrier2Color
}
}))
worldAdd(Bodies.circle(-300, -950 - ys, 50, {
density: 0.1,
render: {
fillStyle: barrier2Color
}
}))
let iw = 900
let ih = 60;
let intro = Bodies.rectangle(-30, -2950 - ys, iw, ih, {
restitution: 0.4,
render: {
fillStyle: barrier2Color
}
})
intro.show = function() {
push()
fill(objectColor)
rectMode(CENTER)
translate(this.position.x, this.position.y)
rotate(this.angle)
rect(0, 0, iw, ih)
rotate(-this.angle)
translate(0, 3)
rotate(this.angle)
fill("#ffffff")
textFont("Arial");
textStyle(BOLD);
textAlign(CENTER, CENTER);
textSize(50);
text("CLICK to start", 0, 0)
rectMode(CORNER)
pop()
}
worldAdd(intro)
relTimeout(function() {
World.clear(world)
gonzalezM0(data)
}, 9000)
}
/**
* Gonzalez Module 1
**/
let m1to2car;
function gonzalezM1Init(data) {
let world = data.world;
let engine = data.engine;
//Just a nice simple function, not required
function worldAdd(obj) {
World.add(world, obj)
}
let barrierColor = "#090909"
let barrier2Color = "#ff8300"
let objectColor = "#224b88"
function createBall(x, y, r, d) {
if (!d) {
d = 0.005;
}
let c = Bodies.circle(x, y, r, {
friction: 0,
restitution: 0.45,
density: d,
render: {
fillStyle: objectColor,
}
})
worldAdd(c)
return c
}
function createSquare(x, y, s, d) {
if (!d) {
d = 0.005;
}
let c = Bodies.rectangle(x, y, s, s, {
friction: 0,
restitution: 0.45,
density: d,
render: {
fillStyle: objectColor,
}
})
worldAdd(c)
return c
}
function createDropShoot(x, y, r, h) {
createBall(x, y - h, r)
worldAdd(Bodies.rectangle(x - (r) - 15, y - (h * 0.5), 10, h, {
isStatic: true,
render: {
fillStyle: barrierColor,
}
}))
worldAdd(Bodies.rectangle(x + (r) + 15, y - (h * 0.5), 10, h, {
isStatic: true,
render: {
fillStyle: barrierColor,
}
}))
}
function createBin(x, y, w, h, t, noRight) {
worldAdd(Bodies.rectangle(x, y + (h * 0.5), t, h, {
isStatic: true,
render: {
fillStyle: barrierColor
}
}))
let bottom = Bodies.rectangle(x + (w * 0.5), y + h, w + (t), t, {
isStatic: true,
render: {
fillStyle: barrierColor
}
})
worldAdd(bottom)
if (!noRight) {
worldAdd(Bodies.rectangle(x + w, y + (h * 0.5), t, h, {
isStatic: true,
render: {
fillStyle: barrierColor
}
}))
}
return bottom
}
function createLever(x, y, w, h, d) {
if (!d) {
d = 0.001;
}
let rect = Bodies.rectangle(x, y, w, h, {
chamfer: 5,
density: d,
render: {
fillStyle: barrier2Color,
},
})
let constraint = Constraint.create({
bodyA: rect,
pointB: Matter.Vector.create(x, y),
stiffness: 1,
length: 0
})
worldAdd([constraint, rect])
}
function createSpring(x, y, w, h, power) {
let trampoline = Bodies.rectangle(x, y, w, h, {
render: {
fillStyle: barrierColor,
},
})
let leftConstraint = Constraint.create({
bodyA: trampoline,
pointA: Vector.create(-(w * 0.5), 0),
pointB: Vector.add(Vector.create(-(w * 0.5), -(w * 0.5)), Matter.Vector.create(trampoline.position.x, trampoline.position.y)),
stiffness: 0.001,
render: {
visible: false,
}
})
let rightConstraint = Constraint.create({
bodyA: trampoline,
pointA: Vector.create((w * 0.5), 0),
pointB: Vector.add(Vector.create((w * 0.5), -(w * 0.5)), Matter.Vector.create(trampoline.position.x, trampoline.position.y)),
stiffness: 0.001,
render: {
visible: false,
}
})
worldAdd([trampoline, leftConstraint, rightConstraint])
Events.on(engine, "collisionStart", function (data) {
let pairs = data.pairs;
if (pairs && pairs.length > 0) {
for (let j = 0; j < pairs.length; j++) {
let on = pairs[j];
if (on.bodyB.id === trampoline.id) {
Body.setVelocity(on.bodyA, Vector.add(Vector.create(10 * power, -50 * power), Vector.clone(on.bodyA.velocity)))
}
}
}
})
}
//Custom function to make a car
function createCar(x, y, d) {
if (!d) {
d = 0.001;
}
//Create a collision group for the car so that the body and wheels don't collide (they can exist inside each other with glitching out)
let collisionGroup = Body.nextGroup(true); //Create a group where participants don't collide with each other
//Now, to make a car, we need 2 sets of wheels
let wheel1 = Bodies.circle(x - 50, y, 25, { //(350, 250) center, radius 25
collisionFilter: { group: collisionGroup }, //Add to collision group
friction: 0.025, //Half the normal friction for these car wheels
density: d,
render: {
fillStyle: "#000000",
}
});
let wheel2 = Bodies.circle(x + 50, y, 25, { //(450, 250) center, radius 25
collisionFilter: { group: collisionGroup }, //Add to collision group
friction: 0.025, //Half the normal friction for these car wheels
density: d,
render: {
fillStyle: "#000000",
}
});
//And a body for the car (the wheels need something to connect to)
let carBody = Bodies.rectangle(x, y, 150, 25, { //(400, 250) center, width 150 and height 25
collisionFilter: { group: collisionGroup }, //Add to collision group
density: d,
render: {
fillStyle: "#ac3333",
},
chamfer: 15,
});
//This is a little complicated, so remember you can mess around with the numbers and see what happens. Have fun!
//Create a constraint
let wheel1Constraint = Constraint.create({
bodyA: carBody, //Between the car's body
bodyB: wheel1, //And the wheel
pointA: Vector.create(-50, 0), //50 pixels to the left of the center of the car (which ends up being where the wheel is)
//You don't have to specify pointB because it defaults to the center of the wheel, which is where we want it
//The length defaults to 0 since it is generated off the original positions of the bodies
});
//Create another constraint
let wheel2Constraint = Constraint.create({
bodyA: carBody, //Between the car's body
bodyB: wheel2, //And the wheel
pointA: Vector.create(50, 0), //50 pixels to the right of the center of the car (which ends up being where the wheel is)
//You don't have to specify pointB because it defaults to the center of the wheel, which is where we want it
//The length defaults to 0 since it is generated off the original positions of the bodies
});
let compositeCar = Composite.create();
Composite.add(compositeCar, [wheel1, wheel2, carBody, wheel1Constraint, wheel2Constraint]) //Add both wheels, the car body, and the constraints to world
worldAdd(compositeCar)
return compositeCar
}
for (let i = 0; i < 3; i++) {
let dir = i % 2 === 0;
let neg = dir ? 1 : -1
let x = 500 + (dir ? -250 : 250);
let ramp = Bodies.rectangle(x, 200 * (i + 1), 1000, 10, {