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hotfix quad triangulation

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This commit is contained in:
Dimitrie Stefanescu
2022-01-25 18:38:11 +00:00
committed by GitHub
parent d378959270
commit 40dc8aa35e
1 changed files with 8 additions and 3 deletions
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packages/viewer/src/modules/converter/Converter.js
+8 -3
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@@ -321,9 +321,14 @@ export default class Coverter {
if ( n === 3 ) { // TRIANGLE FACE
indices.push( faces[ k + 1 ], faces[ k + 2 ], faces[ k + 3 ] )
} else { //Quad or N-GON FACE
const triangulation = MeshTriangulationHelper.triangulateFace( k, faces, vertices )
for( let t = 0; t < triangulation.length; t += 3 ) {
indices.push( triangulation[ t ], triangulation[ t + 1 ], triangulation[ t + 2 ] )
if( n === 4) { // Handle quads the old way
indices.push( faces[ k + 1 ], faces[ k + 2 ], faces[ k + 3 ] )
indices.push( faces[ k + 1 ], faces[ k + 3 ], faces[ k + 4 ] )
} else { // Anything else goes through the magic box
const triangulation = MeshTriangulationHelper.triangulateFace( k, faces, vertices )
for( let t = 0; t < triangulation.length; t += 3 ) {
indices.push( triangulation[ t ], triangulation[ t + 1 ], triangulation[ t + 2 ] )
}
}
}