https://github.com/bschwind/face-squash

An XNA demo to distort an image by stretching a user-defined quad over an image and mapping the values back to a rectangle.
https://github.com/bschwind/face-squash

Last synced: 11 months ago
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An XNA demo to distort an image by stretching a user-defined quad over an image and mapping the values back to a rectangle.

• Host: GitHub
• URL: https://github.com/bschwind/face-squash
• Owner: bschwind
• Created: 2012-12-15T03:03:16.000Z (over 13 years ago)
• Default Branch: master
• Last Pushed: 2014-11-08T18:44:27.000Z (over 11 years ago)
• Last Synced: 2025-07-13T10:39:42.222Z (11 months ago)
• Language: C#
• Homepage:
• Size: 734 KB
• Stars: 3
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
Face-Squash

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A demo to distort an image by stretching a user-defined quad over an image and mapping the values back to a rectangle.

The main idea behind the algorithm is interpolating over a quad, as shown below. You then use those interpolated values as texture coordinates to sample the texture.

![Alt text](https://raw.github.com/bschwind/Face-Squash/master/QuadInterpolate.png "Optional title")

![Alt text](https://raw.github.com/bschwind/Face-Squash/master/screenshot.png "Optional title")