this.drawEars = function(ctx, scaleFactor)
      {
        ctx.strokeStyle = "#000000"; 
        ctx.fillStyle = "#FFFFFF"; 
        ctx.lineWidth = 2; 
  
        ctx.beginPath(); 
        ctx.moveTo((-0.55 * this.radius) * scaleFactor, (-0.35 * this.radius) * scaleFactor);
        ctx.lineTo((-0.52 * this.radius) * scaleFactor, (-0.55 * this.radius) * scaleFactor);
        ctx.lineTo((-0.45 * this.radius) * scaleFactor, (-0.40 * this.radius) * scaleFactor);
        ctx.fill(); 
        ctx.stroke(); 
        
        ctx.beginPath(); 
        ctx.moveTo((0.55 * this.radius) * scaleFactor, (-0.35 * this.radius) * scaleFactor);
        ctx.lineTo((0.52 * this.radius) * scaleFactor, (-0.55 * this.radius) * scaleFactor);
        ctx.lineTo((0.45 * this.radius) * scaleFactor, (-0.40 * this.radius) * scaleFactor);
        ctx.fill(); 
        ctx.stroke(); 
      }