Doni/ModelHandle
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Import vertex colors with three.js importers.

Browse Source
This commit is contained in:
kovacsv 2021-12-28 17:12:20 +01:00
parent e5a2839c18
commit 53a7193d4c
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
source/threejs/threeutils.js
View File

@ -83,6 +83,7 @@ OV.GetShadingType = function (model)
OV.ConvertThreeGeometryToMesh = function (threeGeometry, materialIndex)
{
let mesh = new OV.Mesh ();
let vertices = threeGeometry.attributes.position.array;
for (let i = 0; i < vertices.length; i += 3) {
let x = vertices[i];
@ -90,6 +91,19 @@ OV.ConvertThreeGeometryToMesh = function (threeGeometry, materialIndex)
let z = vertices[i + 2];
mesh.AddVertex (new OV.Coord3D (x, y, z));
}
let hasVertexColors = (threeGeometry.attributes.color !== undefined);
if (hasVertexColors) {
let colors = threeGeometry.attributes.color.array;
let itemSize = threeGeometry.attributes.color.itemSize;
for (let i = 0; i < colors.length; i += itemSize) {
let x = colors[i];
let y = colors[i + 1];
let z = colors[i + 2];
mesh.AddVertexColor (new OV.Color (x * 255.0, y * 255.0, z * 255.0));
}
}
let hasNormals = (threeGeometry.attributes.normal !== undefined);
if (hasNormals) {
let normals = threeGeometry.attributes.normal.array;
@ -100,6 +114,7 @@ OV.ConvertThreeGeometryToMesh = function (threeGeometry, materialIndex)
mesh.AddNormal (new OV.Coord3D (x, y, z));
}
}
let hasUVs = (threeGeometry.attributes.uv !== undefined);
if (hasUVs) {
let uvs = threeGeometry.attributes.uv.array;
@ -109,6 +124,7 @@ OV.ConvertThreeGeometryToMesh = function (threeGeometry, materialIndex)
mesh.AddTextureUV (new OV.Coord2D (x, y));
}
}
let indices = null;
if (threeGeometry.index !== null) {
indices = threeGeometry.index.array;
@ -118,6 +134,7 @@ OV.ConvertThreeGeometryToMesh = function (threeGeometry, materialIndex)
indices.push (i);
}
}
for (let i = 0; i < indices.length; i += 3) {
let v0 = indices[i];
let v1 = indices[i + 1];
@ -134,5 +151,6 @@ OV.ConvertThreeGeometryToMesh = function (threeGeometry, materialIndex)
}
mesh.AddTriangle (triangle);
}
return mesh;
};