Warp Effect in Unity

You can find the asset at the Unity Asset Store

Warp Effect Manual

Unity Forum

Features

Custom editor to changes everthing in one place.
The color and transparency of the Warp Effect can be changed.
The speed of the distortion can be changed in x and y direction.
The speed of the stars can be changed.
The brightness for each star layer can be changed.
The start and end position of the stars can be changed.
The rotation speed of each texture and emission map can be changed.
The rotation speed of each star layer can be changed.
The strength of the texture distortion can be changed. The higher the value the more waves will impact the warp textures.
The tiling size of the distortion effect can be changed.
The warp speed can be changed.
Two emission maps and HDR emission color to light up the warp effect.
Emission map distortion.
Background distortion. The effect is only visible inside the warp sphere or if you look through the warp sphere. No fullscreen image effect.
A set of prefabs you can use in your game.

Additionals:

Distortion image effect shader for warp drop out.
Warp audios

The Warp Effect uses a shader which renders the effect on a streched high resolution sphere. The Warp Effect has many different settings to change how the effect looks.

This are the settings you can change:

Main Color: The color of the effect. The transparency of this color defines the transparency of the effect.
Mix Color: This is a color which is mixed together with the Main Color.
Textures: You can change the textures if you want a different look.
Rotations speed of the textures.
Emission maps.
Emission map rotation speed.
Emission map merge method. (Add or multiply)
Emission map distortion.
Speed X / Speed Y: Defines the x and y motion speed of the distortion.
Scale: The strength of the texture distortion. The higher the value the more waves will impact the warp textures.
Tile X / Tile Y: Tiling size of the effect.
Warp Speed: Simply defines how fast the effect is.
Star textures
Rotation and move speed of the stars.
Background distortion.