fisheye
Fisheye effect. When power is negative, you can make tunneling effect.
power as negative value:

power as positive value:

Parameters
power(float, default value:-0.1): Scale of fisheye effect.
fisheyeFisheye effect. When power is negative, you can make tunneling effect.
power as negative value:

power as positive value:

power (float, default value: -0.1): Scale of fisheye effect.