How to make Triangle to Triangle Intersection Algorithm ??

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토즈 토즈
토즈 토즈 2021-11-16
回答： Matt J 2021-11-17
I see Ray-Triangle Intersection Source Code But I want Triangle-Triangle Intersection Code
I cant make that... Please help or Code Supplement
  2 个评论
KSSV
KSSV 2021-11-16
Your question is not clear. Any pictorial example? More information needed.
토즈 토즈
토즈 토즈 2021-11-17
Like this One. But This is Three time Ray Intersect in Ray-Triangle Intersection Algorithm
I want Triangle-Triangle intersection Algorithm and, I want know Ray-Triangle n Triangle-Triangle Algorithm have a difference?

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回答（2 个）

Matt J
Matt J 2021-11-16
编辑：Matt J 2021-11-16
Ran in:
triangle1=polyshape([0 0 ; 1 0; 0 1]);
triangle2=polyshape([0 0 ; 1 0; 1 1]);
p=intersect([triangle1,triangle2]);
tiledlayout(1,2)
nexttile; plot([triangle1,triangle2],'FaceColor','r'); ylim([-0.2,1.2]);
nexttile; plot(p,'FaceColor','r'); ylim([-0.2,1.2]);
Matt J
Matt J 2021-11-17
But I want Intersection in 3D space Can U one more help for me??
You can use intersectionHull() in this File Exchange submission:
https://www.mathworks.com/matlabcentral/fileexchange/30892-analyze-n-dimensional-convex-polyhedra

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