How to Find Polygon Area and Vertex Winding Order

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This is a simple algorithm to find the Area and Vertex Winding Order of a convex or concave polygon with code written in C#.
  1. Two-Bit Coding
  2. polygon winding order
  3. polygon area
  4. concave polygon area
  5. concave polygon winding order
  6. vertex winding order
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Комментарии
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The moment I found this video, I instantly knew that I hit the jackpot finding your channel. THANK YOU SO MUCH, KEEP UP THE GOOD WORK!!!

weareblank
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That explains its relation with the determinant of a matrix of vertices. Thanks!

amaterasu
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So Gooood Video . THANK YOU SO MUCH, KEEP UP THE GOOD WORK!!!

ddx-glsu
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Found this video after watching your ear clipping video. Loved the videos! Any news on when you will come out with videos for colinear edge detection and a simple polygon test? :)

prototy
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Thank you very much, for some reason i thought that winding order is done by normal vector, but today i learned that polygon have two(?) normal vectors and got confused af

Upd: holy, i found a gold, and this is your channel

dznshfvt
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amazing video, thank you! btw does this actually work for each coordinate system quadrant?

DinkeyMalcho
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Hello, can i apply the same technique in 3D, some customers have model with mixed winding order

onlyroxxor
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Does this work for deriving the winding order of faces on a 3D polygon?

Mrchingchingdingding
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Is it possible for the result to be zero? If so, what does that mean for the polygon winding?

zacharynemeroff
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Would this algorithm still work on polygons with holes?

anthony