Author: locust bean gum

//Anishwar Tirupathur
//atirupat
//Section B
//Computational Portrait (Custom Pixel)

var face;

//Words of The Raven by Edgar Allan Poe
//Source:  https://www.poetryfoundation.org/poems/48860/the-raven
var theRaven = ["Once","upon","a","midnight","dreary,","while","I","pondered,","weak", "and","weary,",
  				"Over","many","a","quaint","and","curious","volume","of","forgotten", "lore—",
      			"While","I", "nodded,", "nearly", "napping,", "suddenly ","there", "came", "a", "tapping,",
  				"As", "of", "some", "one", "gently", "rapping,", "rapping", "at", "my", "chamber", "door.",
  				"“’Tis", "some", "visitor,”", "I", "muttered,", "“tapping", "at", "my", "chamber", "door—",
              	"Only", "this", "and", "nothing", "more.”",
     			 "Ah,", "distinctly", "I", "remember", "it", "was", "in", "the", "bleak", "December;",
 				 "And", "each", "separate", "dying", "ember", "wrought", "its", "ghost", "upon", "the", "floor.",
     			 "Eagerly", "I", "wished", "the", "morrow;","—vainly", "I", "had", "sought", "to", "borrow",
     			 "From", "my", "books", "surcease", "of", "sorrow—","sorrow", "for", "the", "lost", "Lenore—",
  				 "For", "the", "rare", "and", "radiant", "maiden", "whom", "the", "angels", "name", "Lenore—",
                 "Nameless", "here", "for", "evermore.",
     			 "And", "the", "silken,", "sad,", "uncertain", "rustling", "of", "each", "purple", "curtain",
  				 "Thrilled", "me—","filled", "me", "with", "fantastic", "terrors", "never", "felt", "before;",				 
     			 "So", "that", "now,", "to", "still", "the", "beating", "of", "my", "heart,", "I", "stood", "repeating",
      			 "“’Tis", "some", "visitor", "entreating", "entrance", "at", "my", "chamber", "door—",
  				 "Some", "late", "visitor", "entreating", "entrance", "at", "my", "chamber", "door;—",
              	 "This", "it", "is", "and", "nothing", "more.”",
      			 "Presently", "my", "soul", "grew", "stronger;", "hesitating", "then", "no", "longer,",
  				 "“Sir,”", "said", "I,", "“or", "Madam,", "truly", "your", "forgiveness", "I", "implore;",
      			 "But", "the", "fact", "is", "I", "was", "napping,", "and", "so", "gently", "you", "came", "rapping,",
      			 "And", "so", "faintly", "you", "came", "tapping,", "tapping", "at", "my", "chamber", "door,",
 				 "That", "I", "scarce", "was", "sure", "I", "heard", "you”—","here", "I", "opened", "wide", "the", "door;—",
              	 "Darkness", "there", "and", "nothing", "more.",
      			 "Deep", "into", "that", "darkness", "peering,", "long", "I", "stood", "there", "wondering,", "fearing,",
 				 "Doubting,", "dreaming", "dreams", "no", "mortal", "ever", "dared", "to", "dream", "before;",
      			 "But", "the", "silence", "was", "unbroken,", "and", "the", "stillness", "gave", "no", "token,",
      			 "And", "the", "only", "word", "there", "spoken", "was", "the", "whispered", "word,", "“Lenore?”",
  				 "This", "I", "whispered,", "and", "an", "echo", "murmured", "back", "the", "word,", "“Lenore!”—",
              	 "Merely", "this", "and", "nothing", "more.",
              	 "Back", "into", "the", "chamber", "turning,", "all", "my", "soul", "within", "me", "burning,",
  				 "Soon", "again", "I", "heard", "a", "tapping", "somewhat", "louder", "than", "before.",
       			 "“Surely,”", "said", "I,", "“surely", "that", "is", "something", "at", "my", "window,", "lattice;",
        		 "Let", "me", "see,", "then,", "what", "thereat", "is,", "and", "this", "mystery", "explore—",
  				 "Let", "my", "heart", "be", "still", "a", "moment", "and", "this", "mystery", "explore;—",
              	 "’Tis", "the", "wind", "and", "nothing", "more!”",
				"Open", "here", "I", "flung", "the", "shutter,", "when,", "with", "many", "a", 
				"flirt", "and", "flutter,", "In", "there", "stepped", "a", "stately", "Raven", 
				"of", "the", "saintly", "days", "of", "yore;","Not", "the", "least",
				 "obeisance", "made", "he;", "not", "a", "minute", "stopped", "or", "stayed", "he;",  
				 "But,", "with", "mien", "of", "lord", "or", "lady,", 
				 "perched","above","my","chamber","door—","Perched","upon","a","bust","of","Pallas",
				 "just","above","my","chamber","door—","Perched,","and","sat,","and","nothing","more.",
				 "Then","this","ebony","bird","beguiling","my","sad","fancy","into","smiling,","By",
				 "the","grave","and","stern","decorum","of","the","countenance","it","wore,",
				 "“Though","thy","crest","be","shorn","and","shaven,","thou,”","I","said,",
				 "“art","sure","no","craven,","Ghastly","grim","and","ancient","Raven","wandering","from",
				 "the","Nightly","shore—","Tell","me","what","thy","lordly","name","is","on","the","Night’s",
				 "Plutonian","shore!”","Quoth","the","Raven","“Nevermore.”","Much","I","marvelled","this",
				 "ungainly","fowl","to","hear","discourse","so","plainly,","Though","its","answer","little",
				 "meaning—little","relevancy","bore;","For","we","cannot","help","agreeing","that","no",
				 "living","human","being","Ever","yet","was","blessed","with","seeing","bird","above","his",
				 "chamber","door—","Bird","or","beast","upon","the","sculptured","bust","above","his","chamber",
				 "door,","With","such","name","as","“Nevermore.”","But","the","Raven,","sitting","lonely","on",
				 "the","placid","bust,","spoke","only","That","one","word,","as","if","his","soul","in","that",
				 "one","word","he","did","outpour.","Nothing","farther","then","he","uttered—not","a","feather",
				 "then","he","fluttered—","Till","I","scarcely","more","than","muttered","“Other","friends","have",
				 "flown","before—","On","the","morrow","he","will","leave","me,","as","my","Hopes","have","flown",
				 "before.”","Then","the","bird","said","“Nevermore.”","Startled","at","the","stillness","broken","by",
				 "reply","so","aptly","spoken,","“Doubtless,”","said","I,","“what","it","utters","is","its","only",
				 "stock","and","store","Caught","from","some","unhappy","master","whom","unmerciful","Disaster",
				 "Followed","fast","and","followed","faster","till","his","songs","one","burden","bore—","Till","the",
				 "dirges","of","his","Hope","that","melancholy","burden","bore","Of","‘Never—nevermore’.”","But","the",
				 "Raven","still","beguiling","all","my","fancy","into","smiling,","Straight","I","wheeled",
				 "a","cushioned","seat","in","front","of","bird,","and","bust","and","door;","Then,","upon",
				 "the","velvet","sinking,","I","betook","myself","to","linking","Fancy","unto","fancy,",
				 "thinking","what","this","ominous","bird","of","yore—","What","this","grim,","ungainly,",
				 "ghastly,","gaunt,","and","ominous","bird","of","yore","Meant","in","croaking",
				 "“Nevermore.”","This","I","sat","engaged","in","guessing,","but","no","syllable",
				 "expressing","To","the","fowl","whose","fiery","eyes","now","burned","into","my",
				 "bosom’s","core;","This","and","more","I","sat","divining,","with","my","head","at","ease",
				 "reclining","On","the","cushion’s","velvet","lining","that","the","lamp-light","gloated",
				 "o’er,","But","whose","velvet-violet","lining","with","the","lamp-light","gloating","o’er,",
				 "She","shall","press,","ah,","nevermore!","Then,","methought,","the","air","grew","denser,",
				 "perfumed","from","an","unseen","censer","Swung","by","Seraphim","whose","foot-falls","tinkled",
				 "on","the","tufted","floor.","“Wretch,”","I","cried,","“thy","God","hath","lent","thee—by","these",
				 "angels","he","hath","sent","thee","Respite—respite","and","nepenthe","from","thy","memories","of",
				 "Lenore;","Quaff,","oh","quaff","this","kind","nepenthe","and","forget","this","lost","Lenore!”",
				 "Quoth","the","Raven","“Nevermore.”","“Prophet!”","said","I,","“thing","of","evil!—prophet","still,",
				 "if","bird","or","devil!—","Whether","Tempter","sent,","or","whether","tempest","tossed","thee","here",
				 "ashore,","Desolate","yet","all","undaunted,","on","this","desert","land","enchanted—","On","this","home",
				 "by","Horror","haunted—tell","me","truly,","I","implore—","Is","there—is","there","balm","in","Gilead?—tell",
				 "me—tell","me,","I","implore!”","Quoth","the","Raven","“Nevermore.”","“Prophet!”","said","I,","“thing","of",
				 "evil!—prophet","still,","if","bird","or","devil!","By","that","Heaven","that","bends","above","us—by","that",
				 "God","we","both","adore—","Tell","this","soul","with","sorrow","laden","if,","within","the","distant",
				 "Aidenn,","It","shall","clasp","a","sainted","maiden","whom","the","angels","name","Lenore—","Clasp","a",
				 "rare","and","radiant","maiden","whom","the","angels","name","Lenore.”","Quoth","the","Raven","“Nevermore.”",
				 "“Be","that","word","our","sign","of","parting,","bird","or","fiend!”","I","shrieked,","upstarting—","“Get",
				 "thee","back","into","the","tempest","and","the","Night’s","Plutonian","shore!","Leave","no","black","plume",
				 "as","a","token","of","that","lie","thy","soul","hath","spoken!","Leave","my","loneliness","unbroken!—quit",
				 "the","bust","above","my","door!","Take","thy","beak","from","out","my","heart,","and","take","thy","form",
				 "from","off","my","door!”","Quoth","the","Raven","“Nevermore.”","And","the","Raven,","never","flitting,",
				 "still","is","sitting,","still","is","sitting","On","the","pallid","bust","of","Pallas","just","above","my",
				 "chamber","door;","And","his","eyes","have","all","the","seeming","of","a","demon’s","that","is","dreaming,",
				 "And","the","lamp-light","o’er","him","streaming","throws","his","shadow","on","the","floor;","And","my","soul",
				 "from","out","that","shadow","that","lies","floating","on","the","floor","Shall","be","lifted—nevermore!",
      		];

function preload(){
	face = loadImage("https://i.imgur.com/AiLLvGJ.png");
}

function stepPoem(){
	this.x += this.dx; //moves the word horizontally based on the dx velocity
	this.y += this.dy; //moves the word vertically based on the dy velocity
	if (this.x > imageScale*width){ //makes sure words bounce off right edge of scaled canvas
		this.x = imageScale*width - (this.x - imageScale*width);
		this.dx = -this.dx;
	} else if (this.x < 0){ //makes sure words bounce off left edge of scaled canvas
		this.x = - this.x;
		this.dx = -this.dx;
	}
	if (this.y > imageScale*height){ //makes sure words bounce off bottom edge of scaled canvas
		this.y = imageScale*height - (this.y -imageScale*height);
		this.dy = -this.dy;
	} else if (this.y < 0){ //makes sure words bounce off top edge of scaled canvas
		this.y = -this.y;
		this.dy = -this.dy;
	}
}

function drawPoem(){
	//chooses a random word from "The Raven" and draws it on the canvas at wx and wy
	text(theRaven[floor(random(0,theRaven.length))],this.x,this.y); 
}

function makePoem(wx,wy,wdx,wdy){ //inspired by particle code
	w = {x: wx, y: wy,
		 dx: wdx, dy: wdy,
		 stepFunction: stepPoem,
		 drawFunction: drawPoem
		};
	return w;
}

var poetry = [];
var imageScale = 2; //increases range that words can appear so that the entire photo can be referenced
var drawScale = 1/imageScale; //scales canvas so that all the words can appear on the canvas
var particleScale = 11; //extends for loop so that more words are generated creating a denser clearer image

function setup() {
    createCanvas(450, 450);
    background(220);
    for (var i = 0; i < theRaven.length*particleScale; i++){ 
    	var p = makePoem(random(0,imageScale*width),random(0,imageScale*height),random(-5,5),random(-2,5));
    	poetry.push(p);
    }
    face.loadPixels();
    text("p5.js vers 0.9.0 test.", 10, 15);
}

function draw() {
	background(0);
	push();
	scale(drawScale,drawScale); //canvas is scaled in order for the entire face to be displayed
	for (var i = 0; i < theRaven.length*particleScale; i++){
		var w = poetry[i];
		//word changes color depending on wx and wy and the image color at that point
		stroke(face.get(w.x,w.y)); 
		w.stepFunction();
		w.drawFunction();
	}
	pop();
}