Hekky Fake Parallax Cubemap

This simple shader allows you to fake parallax with a single cubemap. Use this to have more convincing windows while still being optimized since it’s still a single cubemap lookup.

Shader Inspector

Cull Mode: Allows you to change the culling mode, or turn it off completely.
Texture: The cubemap to use.
Radius: Controls how much the cubemap will distort as you go further away from the center of the object.
Scale: Altitude scale.
Capture Point: A position (in meters) denoting where the camera was when capturing the cubemap / HDRI.
Only altitude: Only affects altitude (height) if enabled.
Render Queue: Controls when to render this material. See the Unity Docs for more information.
Double Sided Global Illumination: Enables double sided global illumination for this material. See the Unity Docs for more information.