diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..394522f4 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules/** \ No newline at end of file diff --git a/README.md b/README.md index 4ac8bbff..770efffc 100644 --- a/README.md +++ b/README.md @@ -1,61 +1,11 @@ -Assignment 4 - Creative Coding: Interactive Multimedia Experiences -=== - -Due: October 4th, by 11:59 AM. - -For this assignment we will focus on client-side development using popular audio/graphics/visualization technologies. The goal of this assignment is to refine our JavaScript knowledge while exploring the multimedia capabilities of the browser. - -[WebAudio + Canvas Tutorial](https://github.com/cs4241-22a/cs4241-22a.github.io/blob/main/using_webaudio_canvas.md) -[SVG + D3 tutorial](https://github.com/cs4241-21a/cs4241-21a.github.io/blob/main/using_svg_and_d3.md) - -Baseline Requirements ---- - -Your application is required to implement the following functionalities: - -- A server created using Express. This server can be as simple as needed. -- A client-side interactive experience using at least one of the following web technologies frameworks. - - [Three.js](https://threejs.org/): A library for 3D graphics / VR experiences - - [D3.js](https://d3js.org): A library that is primarily used for interactive data visualizations - - [Canvas](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API): A 2D raster drawing API included in all modern browsers - - [SVG](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API): A 2D vector drawing framework that enables shapes to be defined via XML. - - [Web Audio API](https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API): An API for audio synthesis, analysis, processing, and file playback. -- A user interface for interaction with your project, which must expose at least four parameters for user control. [tweakpane](https://cocopon.github.io/tweakpane/) is highly recommended for this, but you can also use regular HTML `` tags (the `range` type is useful to create sliders). You might also explore interaction by tracking mouse movement via the `window.onmousemove` event handler in tandem with the `event.clientX` and `event.clientY` properties. Consider using the [Pointer Events API](https://developer.mozilla.org/en-US/docs/Web/API/Pointer_events) to ensure that that both mouse and touch events will both be supported in your app. -- Your application should display basic documentation for the user interface when the application first loads. - -The interactive experience should possess a reasonable level of complexity. Some examples: -### Three.js -- A generative algorithm creates simple agents that move through a virtual world. Your interface controls the behavior / appearance of these agents. -- A simple 3D game... you really want this to be a simple as possible or it will be outside the scope of this assignment. -- An 3D audio visualization of a song of your choosing. User interaction should control aspects of the visualization. -### Canvas -- Implement a generative algorithm such as [Conway's Game of Life](https://bitstorm.org/gameoflife/) (or 1D cellular automata) and provide interactive controls. Note that the Game of Life has been created by 100s of people using ; we'll be checking to ensure that your implementation is not a copy of these. -- Design a 2D audio visualizer of a song of your choosing. User interaction should control visual aspects of the experience. -### Web Audio API -- Create a screen-based musical instrument using the Web Audio API. You can use projects such as [Interface.js](http://charlie-roberts.com/interface/) or [Nexus UI](https://nexus-js.github.io/ui/api/#Piano) to provide common musical interface elements, or use dat.GUI in combination with mouse/touch events (use the Pointer Events API). Your GUI should enable users to control aspects of sound synthesis. If you want to use higher-level instruments instead of the raw WebAudio API sounds, consider trying the instruments provided by [Tone.js]() or [Gibber](https://github.com/charlieroberts/gibber.audio.lib). -### D3.js -- Create visualizations using the datasets found at [Awesome JSON Datasets](https://github.com/jdorfman/Awesome-JSON-Datasets). Experiment with providing different visualizations of the same data set, and providing users interactive control over visualization parameters and/or data filtering. Alternatively, create a single visualization with using one of the more complicated techniques shown at [d3js.org](d3js.org) and provide meaningful points of interaction for users. - -Deliverables ---- - -Do the following to complete this assignment: - -1. Implement your project with the above requirements. -3. Test your project to make sure that when someone goes to your main page on Glitch/Heroku/etc., it displays correctly. -4. Ensure that your project has the proper naming scheme `a4-firstname-lastname` so we can find it. -5. Fork this repository and modify the README to the specifications below. *NOTE: If you don't use Glitch for hosting (where we can see the files) then you must include all project files that you author in your repo for this assignment*. -6. Create and submit a Pull Request to the original repo. Name the pull request using the following template: `a4-firstname-lastname`. - -Sample Readme (delete the above when you're ready to submit, and modify the below so with your links and descriptions) +Webware A4: Creative Coding! --- -## Your Web Application Title +## Crude -your hosting link e.g. http://a4-charlieroberts.glitch.me +Author: Gabriel Buonomano +http://a4-gabriel-buonomano.glitch.me -Include a very brief summary of your project here. Images are encouraged when needed, along with concise, high-level text. Be sure to include: +Crude intends to be a simple agent simulation. It simulates dudes in a world of foods. If I had time, I'd implement carnivores in the form of "rudes" as well. As the ruler of the dudes, you can change the parameters of the race, as well as spawn in food and delete food and dudes alike. The goal is to demonstrate the effect of many variables on population growth. I didn't face any significant challenges beyond time limitations-- I never got to implement rudes. I did have time to style the webpage, however-- it's intentionally light on CSS as a play on the word "crude". This website doesn't fully support mobile devices, since you can't right/left click on most of them, but its layout is very compatible with them due to the use of flexbox. -- the goal of the application -- challenges you faced in realizing the application -- the instructions you present in the website should be clear enough to use the application, but if you feel any need to provide additional instructions please do so here. +Enjoy simulating the dudes! \ No newline at end of file diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 00000000..211c016a --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1174 @@ +{ + "name": "crude", + "version": "1.0.0", + "lockfileVersion": 2, + "requires": true, + "packages": { + "": { + "name": "crude", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "@phil-r/stats": "^1.4.4", + "body-parser": "^1.20.0", + "express": "^4.18.1", + "morgan": "^1.10.0" + } + }, + "node_modules/@phil-r/stats": { + "version": "1.4.4", 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+ "type": "git", + "url": "git+https://github.com/Feathercrown/a4-creative-coding.git" + }, + "author": "Gabriel Buonomano", + "license": "ISC", + "bugs": { + "url": "https://github.com/Feathercrown/a4-creative-coding/issues" + }, + "homepage": "https://github.com/Feathercrown/a4-creative-coding#readme", + "dependencies": { + "@phil-r/stats": "^1.4.4", + "body-parser": "^1.20.0", + "express": "^4.18.1", + "morgan": "^1.10.0" + } +} diff --git a/public/index.html b/public/index.html new file mode 100644 index 00000000..35abb817 --- /dev/null +++ b/public/index.html @@ -0,0 +1,34 @@ + + + + + + + + + + Webware A4 - Gabriel Buonomano + + +
+

Crude

+

Crude dudes jammin for food

+
+
+ + This project doesn't work properly without Canvas enabled. Please enable it to continue. + + +

Settings

+
+ +
+ +
+ + + diff --git a/public/main.js b/public/main.js new file mode 100644 index 00000000..dc6c5c3b --- /dev/null +++ b/public/main.js @@ -0,0 +1,364 @@ +//Global variables +var state, settings, timestamp, lastTimestamp, + cvsWidth = 500, cvsHeight = 500; + +//Wait for the page to load before starting +window.addEventListener('load', function(){ + + //Initialize stuff + var cvs = document.getElementById('main-canvas'); + cvs.width = cvsWidth; + cvs.height = cvsHeight; + cvs.style.width = `${cvsWidth}px`; + cvs.style.height = `${cvsHeight}px`; + document.oncontextmenu = (e)=>{e.preventDefault();} + cvs.addEventListener('mousedown', function(event){ + event.preventDefault(); + var coords = getCursorPosition(cvs, event); + handleClick(event, coords.x, coords.y); + return false; + }); + var ctx = cvs.getContext('2d'); + //ctx.imageSmoothingEnabled = false; + + alert("Welcome! This is a simulation of agents (\"dudes\") that require food to live. Left click to spawn a bunch of bonus food. Right click to delete nearby food and dudes.\n\nModifying the controls below the canvas will change the simulation (hover over the labels to see descriptions). You can get some pretty crazy results, so watch out! The reset button will restart the simulation with your new parameters from the start."); + + function step(){ + if(timestamp == undefined){ + initialize(); + } else { + timestamp = Date.now(); + var interval = timestamp - lastTimestamp; + if(interval > settings.maxInterval){ + interval = settings.maxInterval; + } + ctx.fillStyle = 'white'; + ctx.fillRect(0, 0, cvsWidth, cvsHeight); + run(ctx, interval); + } + lastTimestamp = timestamp; + window.requestAnimationFrame(step); + } + window.requestAnimationFrame(step); +}); + +function initialize(){ + //Set initial state of simulation + timestamp = Date.now(); + state = { + agents: [] + }; + //Settings to control the simulation + if(!settings) + settings = { + randomFoodChance: 10 / 60, + minFoodEnergy: 10, + maxFoodEnergy: 50, + startingDudes: 10, + startingDudeEnergy: 100, + maximumDudeEnergy: 200, + dudeSpeed: 0.1, + energyLossRate: 0.1, + minimumDudeDistance: 10, + maxInterval: 100, + maximumEatDistance: 2, + newDudeEnergyPercentage: 0.5 + }; + //Settings to control the settings + var metaSettings = { + randomFoodChance: { + min: 0, + max: 1, + step: 0.05, + type:'range', + desc:'The chance for food to randomly spawn per tick', + readableName:'Random Food Chance' + }, + minFoodEnergy: { + desc:'The minimum amount of energy that food can provide', + readableName:'Minimum Food Energy' + }, + maxFoodEnergy: { + desc:'The maximum amount of energy that food can provide', + readableName:'Maximum Food Energy' + }, + startingDudes: { + desc:'The number of dudes to start the simulation with', + readableName:'Starting Dudes' + }, + startingDudeEnergy: { + desc:'The amount of energy a dude starts with', + readableName:'Starting Dude Energy' + }, + maximumDudeEnergy: { + desc:'The amount of energy before a dude splits into two bros', + readableName:'Maximum Dude Energy' + }, + dudeSpeed: { + min: 0, + max: 2, + step: 0.05, + type:'range', + desc:'The speed of the dudes', + readableName:'Dude Speed' + }, + energyLossRate: { + min: 0, + max: 2, + step: 0.05, + type:'range', + desc:'The rate at which dudes lose energy (measured by distance, not time)', + readableName:'Energy Loss Rate' + }, + minimumDudeDistance: { + min: 0, + max: 50, + type:'range', + desc:'The minimum distance the dudes will try to stay from each other', + readableName:'Minimum Dude Distance' + }, + maxInterval: { //maxInterval controls the behavior when the page is unfocused; agents jump far when returning focus (ie. jumping outside + type:'hidden' //the canvas) if this is unbounded, and it's not super interesting to change it when it is bounded, so this isn't user-controllable + }, + maximumEatDistance: { + min: 0, + max: 50, + type:'range', + desc:'The maximum distance a dude can eat a food from', + readableName:'Maximum Eat Distance' + }, + newDudeEnergyPercentage: { + min: 0, + max: 1, + step: 0.05, + type:'range', + desc:'The percentage of its energy that a dude gives up when making a bro (splitting)', + readableName:'New Dude Energy Percentage' + } + }; + + //Initialize dudes + for(var i=0; i{ + var name = setting[0]; + var value = setting[1]; + var meta = metaSettings[name]; + if(!meta.type){ + meta.type = 'number'; + } + if(!meta.min){ + meta.min = 0; + } + if(!meta.max){ + meta.max = 10000; + } + if(!meta.step){ + meta.step = 1; + } + if(!meta.desc){ + meta.desc = ''; + } + if(!meta.readableName){ + meta.readableName = name; + } + if(meta.type == 'number' || meta.type == 'range'){ + var settingWrapper = document.createElement('div'); + var setting = document.createElement('input'); + setting.type = meta.type; + setting.min = meta.min; + setting.max = meta.max; + setting.value = value; + setting.name = name; + setting.step = meta.step; + var label = document.createElement('label'); + label.for = name; + label.innerText = meta.readableName+':'; + label.title = meta.desc; + setting.addEventListener('change', function(event){ + settings[name] = event.target.value; + console.log(settings[name]); + console.log(event.target.value); + }); + settingWrapper.appendChild(label); + settingWrapper.appendChild(setting); + settingsPane.appendChild(settingWrapper); + } else if(meta.type == 'hidden'){ + //Don't make a settings control + } + }); +} + +function run(ctx, interval){ + if(Math.random() < settings.randomFoodChance){ + state.agents.push(new Food()); + } + state.agents.forEach(agent => agent.tick(interval)); + render(ctx); + //console.log(interval); +} + +function render(ctx){ + state.agents.forEach(agent => { + //if(agent instanceof Dude) console.log(agent.color); + ctx.fillStyle = agent.color; + //console.log(agent.color); + ctx.beginPath(); + ctx.arc(agent.x, agent.y, 5, 0, 2 * Math.PI); + ctx.fill(); + }); +} + +class Agent { + x = cvsWidth/2; + y = cvsHeight/2; + energy = 0; + color = 'black'; + + moveTowards(target, distance){ + var angle = Math.atan2((target.y - this.y), (target.x - this.x)); + this.x += distance * Math.cos(angle); + this.y += distance * Math.sin(angle); + this.energy -= distance * settings.energyLossRate; + } + + moveAway(target, distance){ + var angle = Math.atan2((target.y - this.y), (target.x - this.x)) + Math.PI; + this.x += distance * Math.cos(angle); + this.y += distance * Math.sin(angle); + this.energy -= distance * settings.energyLossRate; + } + + move(){ + //Do nothing by default + } + + tick(interval){ + this.move(); + } + + destroy(){ + var idx = state.agents.findIndex(agent => agent == this); + state.agents.splice(idx, 1); //Remove this agent from the array of agents + } +} + +class Food extends Agent { + color = 'green'; + + constructor(x, y, energy){ + super(x, y, energy); + this.x = x || randBetween(0, cvsWidth); + this.y = y || randBetween(0, cvsHeight); + this.energy = energy || randBetween(settings.minFoodEnergy, settings.maxFoodEnergy); + var percentEnergy = (this.energy - settings.minFoodEnergy)/(settings.maxFoodEnergy - settings.minFoodEnergy); + this.color = `rgb(0, ${Math.round(percentEnergy * 128 + 127)}, 0)`; //Foods with higher energy are brighter green + } +} + +class Dude extends Agent { + color = 'blue' + + constructor(x, y, energy){ + super(x, y, energy); + this.x = x || randBetween(0, cvsWidth); + this.y = y || randBetween(0, cvsHeight); + this.energy = energy || settings.startingDudeEnergy; + var percentEnergy = this.energy / settings.maximumDudeEnergy; + this.color = `rgb(0, 0, ${Math.round(percentEnergy * 128 + 127)})`; //Dudes with higher energy are brighter blue + } + + tick(interval){ + this.move(interval); + + if(this.energy > settings.maximumDudeEnergy){ + var newDudeEnergy = settings.newDudeEnergyPercentage * this.energy; + this.energy -= newDudeEnergy; + state.agents.push(new Dude(this.x + randBetween(10,-10), this.y+ randBetween(10,-10), newDudeEnergy)); + } + + if(this.energy <= 0){ + this.destroy(); + } + + //Update color to current color + var percentEnergy = this.energy / settings.maximumDudeEnergy; + this.color = `rgb(0, 0, ${Math.round(percentEnergy * 128 + 127)})`; + } + + move(interval){ + var closestFood = getClosestAgent(this, agent => agent instanceof Food); + var closestDude = getClosestAgent(this, agent => agent instanceof Dude); + var moved = false; + if(closestDude != null && distanceBetween(this, closestDude) < settings.minimumDudeDistance){ + this.moveAway(closestDude, settings.dudeSpeed * interval); + moved = true; + } + if(closestFood != null){ + if(!moved){ + this.moveTowards(closestFood, settings.dudeSpeed * interval); + } + if(distanceBetween(this, closestFood) <= settings.maximumEatDistance){ + this.energy += closestFood.energy; + closestFood.destroy(); + } + } + } + + destroy(){ + state.agents.push(new Food(this.x, this.y)); + super.destroy(); + } +} + +function randBetween(min, max){ + return Math.floor(Math.random()*(max-min) + min); +} + +function distanceBetween(agent1, agent2){ + return Math.sqrt(Math.pow(agent2.x - agent1.x, 2) + Math.pow(agent2.y - agent1.y, 2)); +} + +function getClosestAgent(source, filter){ + var closestAgent = null; + var closestAgentDistance = Infinity; + state.agents.forEach(agent => { + if(filter(agent) && agent != source){ + if(closestAgent == null || distanceBetween(source, agent) < closestAgentDistance){ + closestAgent = agent; + closestAgentDistance = distanceBetween(source, agent); + } + } + }); + return closestAgent; +} + +//From https://stackoverflow.com/questions/55677/how-do-i-get-the-coordinates-of-a-mouse-click-on-a-canvas-element +function getCursorPosition(canvas, event) { + const rect = canvas.getBoundingClientRect(); + const x = event.clientX - rect.left; + const y = event.clientY - rect.top; + return {x,y}; +} + +function handleClick(event, x, y){ + if(event.button == 0){ + for(var i=0; i<25; i++){ + state.agents.push(new Food(x + randBetween(10, -10), y + randBetween(10, -10))); + } + } else if(event.button == 2){ + state.agents.forEach(agent => { + if(distanceBetween(agent, {x,y}) < 100){ + agent.destroy(); + } + }); + } +} \ No newline at end of file diff --git a/public/style.css b/public/style.css new file mode 100644 index 00000000..fd3e4627 --- /dev/null +++ b/public/style.css @@ -0,0 +1,47 @@ +html, body { + width: 100%; + height: 100%; + margin: 0px; + padding: 0px; + display: flex; + flex-direction: column; + justify-content: space-between; + align-items: center; +} + +header, footer { + text-align: center; + margin: 5px; +} + +footer { + margin-top: 15px; +} + +label { + margin-right: 0.5em; +} + +h2 { + text-align: center; +} + +#settings-pane { + width: 70%; + margin-left: auto; + margin-right: auto; + text-align: left; +} + +main { + text-align: center; +} + +#reset-button { + margin: 5px; +} + +canvas { + border: 1px solid black; /* Causes weird aliasing issues on the edge of the canvas sometimes but I can't fix it so oh well */ + box-sizing: border-box; +} \ No newline at end of file diff --git a/server.js b/server.js new file mode 100644 index 00000000..1755ed77 --- /dev/null +++ b/server.js @@ -0,0 +1,39 @@ +//Import and set up modules +var path = require('path'); + +const express = require('express'); +const app = express(); +const port = 3000; +var morgan = require('morgan'); +var bodyParser = require('body-parser'); +const initStats = require('@phil-r/stats'); + +const { statsMiddleware, getStats } = initStats({ + endpointStats: true, + complexEndpoints: [], + customStats: false, + addHeader: true +}); + + + +//Define server routes + +//Redirect to main page (TODO: Use res.redirect) +app.get('/', (req, res) => { + res.sendFile('/public/index.html', {root: __dirname}); +}); + +//Initialize middleware +app.use(morgan('dev')); +app.use(statsMiddleware); +app.use(express.static(path.join(__dirname, '/public'))); +app.use(bodyParser.urlencoded({ extended: true })); + +//Allow viewing the server's stats +app.get('/stats', (req, res) => res.send(getStats())); + +//Finalize server startup +app.listen(port, () => { + console.log(`Server listening on port ${port}`); +}); \ No newline at end of file