constructor(position,size,c,angle){

    this.position = position;

    this.velocity = new p5.Vector();

    this.acceleration = new p5.Vector();

    this.isStatic = true;

    this.size = size;

    this.color = c;

    this.angle = angle;

  }

  update(){

    // mouseX, mouseY

    let mouse = new p5.Vector(mouseX,mouseY);

    let d = this.position.dist(mouse);

    if(mouseIsPressed && d < 30){

      this.isStatic = false; // 고정해제

    }

    if(!this.isStatic && mouseIsPressed){

      // p5.Vector.sub( v1, v2  )

       let force = p5.Vector.sub( mouse, this.position );

      // map 값의 범위를 변화

      // contrain 특정 범위 안으로 제한

      let power = constrain(map(d,100,0,0.2,1),0.2,1);

      force.setMag(power);

      this.acceleration = force;

    }

    this.velocity.add(this.acceleration);

    this.velocity.limit(5);

    this.position.add(this.velocity);

    if(this.position.y > height) this.position.y = height;

  }

  display(){

    rectMode(CENTER);

    push();

      translate(this.position.x,this.position.y);

      fill(this.color);

      rotate( radians(this.angle) );

      rect(0,0,this.size.x,this.size.y);

    pop();

  }

}

​

let gravity = new p5.Vector(0,0.1);

let palette = ["#00ffff","#ff00ff","#ffff00"];

​

let m = new Module( 

  new p5.Vector(200,200), 

  new p5.Vector(10,10) 

);

​

let modules = [];

​

function setup() {

  createCanvas(400, 400);

  background("white");

  textSize(200);

  textAlign(CENTER,CENTER);

  textStyle(BOLD);

  text("text",width/2,height/2);

  let gap = 10;

  let x = 0;

  let y = 0;

  for(let y=0; y<height; y=y+gap){

    for(let x=0; x<width; x=x+gap){

​

      let c = get(x,y);

      let b = brightness(c);

      if(b == 0){

         modules.push(

           new Module(

             new p5.Vector(x,y),

             new p5.Vector(gap*0.6,gap),

             random(palette),

             random(0,360)

           )

         );

      }

    }

  }

}

​

function draw(){

  background(220);

  for(let i=0; i<modules.length; i=i+1){

    modules[i].update();

    modules[i].display();

  }

}