Javier Amador: Cardioide

Título	Javier Amador: Cardioide
Del Curso	Imagen Escrita 2017
Nº	4
Alumno(s)	Javier Amador

float inc;         
int sides = 2048;  

void setup() {
  size(500, 500);
  inc = TWO_PI / float(sides); 
  fill(#FDF5E6);
}

void draw() {
  float a = 0;
  float b = 0;
  background(#458B74);
  translate(width/2, height/2);

  beginShape();

  for (float t = 0; t < TWO_PI; t += inc) {

    a = mouseX/2;
    b= map(mouseY, 0, 500, 0, 3);
   
    //Cardioide:
    //r=2a(1+cos(t))
    float r=2*a*(b+cos(t));

    float x = cos(t) * r;
    float y = sin(t) * r;

    vertex(x, y);
  }
  endShape();
  println(a);
  println(b);
}

<processingjs> float inc; // incremento int sides = 2048; // lados

void setup() {

 size(500, 500);
 inc = TWO_PI / float(sides); 
 fill(#FDF5E6);

}

void draw() {

 float a = 0;
 float b = 0;
 background(#458B74);
 translate(width/2, height/2);

 beginShape();

 for (float t = 0; t < TWO_PI; t += inc) {

   a = mouseX/2;
   b= map(mouseY, 0, 500, 0, 3);
  
   //Cardioide:
   //r=2a(1+cos(t))
   float r=2*a*(b+cos(t));

   float x = cos(t) * r;
   float y = sin(t) * r;

   vertex(x, y);
 }
 endShape();
 println(a);
 println(b);

}

</processingjs>