selinal-Project-11

sketch

//Selina Lee
//Section C
//selinal@andrew.cmu.edu
//Project-11

var turt1;
var turt2;
var turt3;

function setup() {
    createCanvas(480, 480);
    frameRate(10); //best speed for change in turtle function

}

function draw() {
	background(40, 255, 215); //aqua backround
	turt1 = makeTurtle(mouseX, mouseY); //follows mouse from center
	turt1.setColor(color(255, 0, 255)); //magenta
	turt1.setWeight(.5); //thin lines

	turt2 = makeTurtle(mouseX, mouseY); 
	turt2.setColor(color(255, 200, 0)); //orange turtles
	turt2.setWeight(4); 

	turt3 = makeTurtle(mouseX, mouseY);
	turt3.setColor(color(180, 255, 30)); //yellow turtles
	turt3.setWeight(10); //largest stroke weight span

	turt4 = makeTurtle(mouseX, mouseY);
	turt4.setColor(color(255, 100, 50));

	for(var i = 0; i < 12; i++) { //there are about 12 visible iterations of the yellow turtles 
		turt3.penDown();
		turt3.forward(random(30,35)*i); //by multiplying by i, the side lengths increase with each iteration of the turtle shape
		turt3.left(60); //constant angle for visual flow
		turt3.forward(random(30,35)*i); //larger length sides
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.penUp();
	}

	for(var i = 0; i < 18; i++) { //iterations of the orange turtles
		turt2.penDown();
		turt2.forward(random(6,10)*i); //shorter sides
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.penUp();
		turt2.left(20);
		turt2.forward(5);
	}

	for(var i = 0; i < 20; i++) { //there are about 20 visible iterations of the magenta turtles
		turt1.setWeight(i*.1); //stroke weight increases with side length of the turtle
		turt1.penDown();
		turt1.back(20*i/3); //medium scale sides scale sides
		turt1.left(random(50,70)); 
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.penUp();
		turt1.right(noise(.001)*50); //natural movement away from the other circles with noise function
		turt1.back(40);	 //constant for visual appeal
	}

	for(var i = 0; i < 50; i++) {
		turt4.setWeight(i*.04);
		turt4.penDown();
		turt4.back(10*i/4);
		turt4.left(random(70,90));
		turt4.back(10*i/4);
		turt4.left(random(70,90));
		turt4.back(10*i/4);
		turt4.left(random(70,90));
		turt1.back(10*i/4);
		turt1.left(random(70,90));
		turt1.back(10*i/4);
		turt1.left(random(70,90));
		turt1.back(10*i/4);
		turt1.penUp();
		turt1.right(noise(.001)*50);
		turt1.back(80);	
	}

	if(mouseIsPressed) {
		noLoop();
	}
}


function turtleLeft(d) {
    this.angle -= d;
}
 
 
function turtleRight(d) {
    this.angle += d;
}
 
 
function turtleForward(p) {
    var rad = radians(this.angle);
    var newx = this.x + cos(rad) * p;
    var newy = this.y + sin(rad) * p;
    this.goto(newx, newy);
}
 
 
function turtleBack(p) {
    this.forward(-p);
}
 
 
function turtlePenDown() {
    this.penIsDown = true;
}
 
 
function turtlePenUp() {
    this.penIsDown = false;
}
 
 
function turtleGoTo(x, y) {
    if (this.penIsDown) {
      stroke(this.color);
      strokeWeight(this.weight);
      line(this.x, this.y, x, y);
    }
    this.x = x;
    this.y = y;
}
 
 
function turtleDistTo(x, y) {
    return sqrt(sq(this.x - x) + sq(this.y - y));
}
 
 
function turtleAngleTo(x, y) {
    var absAngle = degrees(atan2(y - this.y, x - this.x));
    var angle = ((absAngle - this.angle) + 360) % 360.0;
    return angle;
}
 
 
function turtleTurnToward(x, y, d) {
    var angle = this.angleTo(x, y);
    if (angle < 180) {
        this.angle += d;
    } else {
        this.angle -= d;
    }
}
 
 
function turtleSetColor(c) {
    this.color = c;
}
 
 
function turtleSetWeight(w) {
    this.weight = w;
}
 
 
function turtleFace(angle) {
    this.angle = angle;
}
 
 
function makeTurtle(tx, ty) {
    var turtle = {x: tx, y: ty,
                  angle: 0.0, 
                  penIsDown: true,
                  color: color(128),
                  weight: 1,
                  left: turtleLeft, right: turtleRight,
                  forward: turtleForward, back: turtleBack,
                  penDown: turtlePenDown, penUp: turtlePenUp,
                  goto: turtleGoTo, angleto: turtleAngleTo,
                  turnToward: turtleTurnToward,
                  distanceTo: turtleDistTo, angleTo: turtleAngleTo,
                  setColor: turtleSetColor, setWeight: turtleSetWeight,
                  face: turtleFace};
    return turtle;
}

My process for this project started with playing around with the abstraction and composition of different polygons and their color. The mouse interaction and randomization were added after.

//Selina Lee
//Section C
//selinal@andrew.cmu.edu
//Project-11

var turt1;
var turt2;
var turt3;

function setup() {
    createCanvas(480, 480);
    frameRate(10); //best speed for change in turtle function

}

function draw() {
	background(40, 255, 215); //aqua backround
	turt1 = makeTurtle(mouseX, mouseY); //follows mouse from center
	turt1.setColor(color(255, 0, 255)); //magenta
	turt1.setWeight(.5); //thin lines

	turt2 = makeTurtle(mouseX, mouseY); 
	turt2.setColor(color(255, 200, 0)); //orange turtles
	turt2.setWeight(4); 

	turt3 = makeTurtle(mouseX, mouseY);
	turt3.setColor(color(180, 255, 30)); //yellow turtles
	turt3.setWeight(10); //largest stroke weight span

	turt4 = makeTurtle(mouseX, mouseY);
	turt4.setColor(color(255, 100, 50));

	for(var i = 0; i < 12; i++) { //there are about 12 visible iterations of the yellow turtles 
		turt3.penDown();
		turt3.forward(random(30,35)*i); //by multiplying by i, the side lengths increase with each iteration of the turtle shape
		turt3.left(60); //constant angle for visual flow
		turt3.forward(random(30,35)*i); //larger length sides
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.left(60);
		turt3.forward(random(30,35)*i);
		turt3.penUp();
	}

	for(var i = 0; i < 18; i++) { //iterations of the orange turtles
		turt2.penDown();
		turt2.forward(random(6,10)*i); //shorter sides
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.right(72);
		turt2.forward(random(6,10)*i);
		turt2.penUp();
		turt2.left(20);
		turt2.forward(5);
	}

	for(var i = 0; i < 20; i++) { //there are about 20 visible iterations of the magenta turtles
		turt1.setWeight(i*.1); //stroke weight increases with side length of the turtle
		turt1.penDown();
		turt1.back(20*i/3); //medium scale sides scale sides
		turt1.left(random(50,70)); 
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.left(random(50,70));
		turt1.back(20*i/3);
		turt1.penUp();
		turt1.right(noise(.001)*50); //natural movement away from the other circles with noise function
		turt1.back(40);	 //constant for visual appeal
	}

	for(var i = 0; i < 50; i++) {
		turt4.setWeight(i*.04);
		turt4.penDown();
		turt4.back(10*i/4);
		turt4.left(random(70,90));
		turt4.back(10*i/4);
		turt4.left(random(70,90));
		turt4.back(10*i/4);
		turt4.left(random(70,90));
		turt1.back(10*i/4);
		turt1.left(random(70,90));
		turt1.back(10*i/4);
		turt1.left(random(70,90));
		turt1.back(10*i/4);
		turt1.penUp();
		turt1.right(noise(.001)*50);
		turt1.back(80);	
	}

	if(mouseIsPressed) {
		noLoop();
	}
}


function turtleLeft(d) {
    this.angle -= d;
}
 
 
function turtleRight(d) {
    this.angle += d;
}
 
 
function turtleForward(p) {
    var rad = radians(this.angle);
    var newx = this.x + cos(rad) * p;
    var newy = this.y + sin(rad) * p;
    this.goto(newx, newy);
}
 
 
function turtleBack(p) {
    this.forward(-p);
}
 
 
function turtlePenDown() {
    this.penIsDown = true;
}
 
 
function turtlePenUp() {
    this.penIsDown = false;
}
 
 
function turtleGoTo(x, y) {
    if (this.penIsDown) {
      stroke(this.color);
      strokeWeight(this.weight);
      line(this.x, this.y, x, y);
    }
    this.x = x;
    this.y = y;
}
 
 
function turtleDistTo(x, y) {
    return sqrt(sq(this.x - x) + sq(this.y - y));
}
 
 
function turtleAngleTo(x, y) {
    var absAngle = degrees(atan2(y - this.y, x - this.x));
    var angle = ((absAngle - this.angle) + 360) % 360.0;
    return angle;
}
 
 
function turtleTurnToward(x, y, d) {
    var angle = this.angleTo(x, y);
    if (angle < 180) {
        this.angle += d;
    } else {
        this.angle -= d;
    }
}
 
 
function turtleSetColor(c) {
    this.color = c;
}
 
 
function turtleSetWeight(w) {
    this.weight = w;
}
 
 
function turtleFace(angle) {
    this.angle = angle;
}
 
 
function makeTurtle(tx, ty) {
    var turtle = {x: tx, y: ty,
                  angle: 0.0, 
                  penIsDown: true,
                  color: color(128),
                  weight: 1,
                  left: turtleLeft, right: turtleRight,
                  forward: turtleForward, back: turtleBack,
                  penDown: turtlePenDown, penUp: turtlePenUp,
                  goto: turtleGoTo, angleto: turtleAngleTo,
                  turnToward: turtleTurnToward,
                  distanceTo: turtleDistTo, angleTo: turtleAngleTo,
                  setColor: turtleSetColor, setWeight: turtleSetWeight,
                  face: turtleFace};
    return turtle;
}