anchor.diff:                    fill: 'red',
                     draggable: true
                 });
  -              this.velocity = [15, 0];
  +              this.velocity = [0.5, 0];
  +
             }
   
             getPart() {
                 return this.particle;
  +          }
  +
  +          getSpeed() {
  +              return this.velocity;
             }
   
             //Dibujar
  
positive.code:       /* ANIMACIN PARTICULA */
        let anim = new Konva.Animation(function (frame) {
  
            part.getPart().x(part.getPart().x() + 1); //Prueba
  
            /*** CURVAR SI ENTRA EN EL CAMPO MAGNETICO */
            let xi = label.x();
  
negative.code: 
            if ((part.getPart().x() >= xi && part.getPart().x() <= xf) && (part.getPart().y() >= yi && part.getPart().y() <= yf)) {
                //Esta en el campo magnetico
                part.getPart().x(part.getPart().x() + (part.getSpeed()[0] + 2)); //Prueba
            }
            else {
                //no lo esta
                part.getPart().x(part.getPart().x() + part.getSpeed()[0]); //Prueba
            }
  
            layer.draw();
  