How to split UV in Mesh

Question

Hi, I wat to know how to create a UV where 2 triangles must be separated.

For exemaple, if I have:

vertices = [ Vector3(0,0,0), Vector3(0,0,1), Vector3(1,0,0), Vector3(1,0,1)];

triangles = [ 0,1,2, 1,3,2 ];

uv = [ Vector2(0,0), Vector2(0,1), Vector2(1,0), Vector2(1,1) ];

Ok, now I have a plane with 2 triangles and a plane style UV. Here, the triangles vertex are joined in the UV, but I want to separate the triangle 1 UV and the triangle 2 UV, like a UV Seam.

How can I do this?

Thanks, Borgo

Answer 1

Answer by Paulius-Liekis · May 25, 2011 at 10:05 AM

Just insert two vertices (in vertices, indicees and uvs):

 vertices = [
 // first triangle
 Vector3(0,0,0),
 Vector3(0,0,1),
 Vector3(1,0,0),
 // second triangle
 Vector3(0,0,1),
 Vector3(1,0,0),
 Vector3(1,0,1)];
 
 triangles = [
 // first triangle
 0,1,2,
 // second triangle
 3,5,4
 ];
 
 uv = [
 // first triangle
 Vector2(0,0),
 Vector2(0,1),
 Vector2(1,0),
 // second triangle
 Vector2(0,1),
 Vector2(1,0),
 Vector2(1,1)
 ];

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How to split UV in Mesh

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