code: public void setEye(double eyeX, double eyeY, double eyeZ) {
          this.eyeX = eyeX;
          this.eyeY = eyeY;
          this.eyeZ = eyeZ;
      }
docs: Sets the eye position of this Camera.
  
  @param eyeX
  The x-coordinate for the eye.
  @param eyeY
  The y-coordinate for the eye.
  @param eyeZ
  The z-coordinate for the eye.