yoonyouk-project11-Composition

sketch

//Yoon Young Kim
//Section E
//yoonyouk@andrew.cmu.edu
//Assignment10-A


var turtle;



function setup() {
    var heartmeterangle = random(40, 70);
    var heartmeterlength = random(75, 150);
    createCanvas(480, 360);
    background(random(170, 255));
    frameRate(10);
    turtle = makeTurtle(0, height/2);
    turtle.penDown();
    turtle.setColor(0);
    turtle.setWeight(random(5, 20));


    for(i = 0; i < 8; i++) {

        //rainbow colors
        var r = random(50, 200);
        var g = random(50, 200);
        var b = random(50, 200);
      

        turtle.setColor(color(r, g, b));
        turtle.setWeight(50);


       // turtle.right(sqrt(sq(floor(mouseX - turtle.x))+sq(floor(mouseY-turtle.y))));
        //turtle.forward(floor(mouseX - turtle.x), floor(mouseY-turtle.y));

    turtle.penDown();
    turtle.left(heartmeterangle);
    turtle.forward(heartmeterlength);
    turtle.right(180-heartmeterangle);
    turtle.forward(2*heartmeterlength);
    turtle.left(180-heartmeterangle);
    turtle.forward(heartmeterlength);   
    turtle.right(120-heartmeterangle);

    }

}


function draw() {


}


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;}

For this turtle graphics project, I made a heart meter like graphic that changes whenever refreshed. A new turtle is drawn after each jump. When refreshed, the colors and positions and lengths change color as well.