House of cards (Twk: Heartbeat, Twk: star wave)

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/*

Oryan Inbar Nature of code, ITP, NYU

OpenProcessing Tweak of *@*http://www.openprocessing.org/sketch/170022*@*

!do not delete the line above, required for linking your tweak if you upload again

based on Jerome Herr "Stars wave"

*/

​

​

float unit1;          //the spread of the dots

float theta;         //

int num = 25;       //tie to amount of movers

int frames=180;    //velocity of frames - highr = slower

​

​

void setup() {

  size(600, 600);

  unit1 = width/num;  //controls the spread of dots (if not square)

}

​

​

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void draw() {

  // background(255);

  //backgrond with transperency

  fill(0, 30);

  noStroke();

  rectMode(CORNER);

  rect(0, 0, width, height);

  //dots:

​

  fill(255);

  //stroke(0, 150);

  //a nested forloop to create grid

  for (int y=0; y<=num; y++) {

    for (int x=0; x<=num; x++) {

      float a = x*unit1;

      float b = y*unit1;

      PVector mouse = new PVector (mouseX, mouseY);

      PVector unit = new PVector (a, b);

      float distance = unit.dist(mouse); //from x/y to all dots x/y

      float offSet = map(distance, 0, sqrt(sq(width/2)+sq(height/2)), 0, TWO_PI); //mouseY isnt here...

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      float sz = map(sin(theta+offSet), -1, 1, unit1*.2, unit1*.1); //need to check why is out

      float angle = atan2(y*unit1-mouseY, x*unit1-mouseX);

      pushMatrix();

      translate(unit.x, unit.y);

      rotate(angle);

      float px = map(sin(theta+offSet), -1, 1, 0, 50);

         float py = map(cos(theta+offSet), -1, 1, 0, 50);

         rectMode(CENTER);

         stroke(0);

      rect(px, 0, sz*10, sz*20);

            strokeWeight(5);

      stroke(20, 90, 255, 10);

      line(px, 0, py, 0); 

      strokeWeight(.1);

      stroke(255);

      line(px, 0, py, 0); 

      // beginShape();

      // vertex(px, 0);

      // endShape();

      popMatrix();

    }

  }

​

  theta += TWO_PI/frames;

}

​