Doni/ModelHandle
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Fix glTF validator issues with the exported file.

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This commit is contained in:
kovacsv 2023-05-07 19:17:33 +02:00
parent 7fb27931b0
commit dabb20b6b1
1 changed files with 24 additions and 10 deletions
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34
source/engine/export/exportergltf.js
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@ -8,6 +8,18 @@ import { MaterialType } from '../model/material.js';
import { ConvertMeshToMeshBuffer } from '../model/meshbuffer.js';
import { ExportedFile, ExporterBase } from './exporterbase.js';
const GltfComponentType =
{
UNSIGNED_INT : 5125,
FLOAT : 5126
};
const GltfBufferType =
{
ARRAY_BUFFER : 34962,
ELEMENT_ARRAY_BUFFER : 34963
};
export class ExporterGltf extends ExporterBase
{
constructor ()
@ -15,11 +27,11 @@ export class ExporterGltf extends ExporterBase
super ();
this.components = {
index : {
type : 5125, // unsigned int 32
type : GltfComponentType.UNSIGNED_INT,
size : 4
},
number : {
type : 5126, // float 32
type : GltfComponentType.FLOAT,
size : 4
}
};
@ -248,13 +260,15 @@ export class ExporterGltf extends ExporterBase
this.byteOffset = byteOffset;
}
AddBufferView (byteLength)
AddBufferView (byteLength, target)
{
this.mainJson.bufferViews.push ({
let bufferView = {
buffer : 0,
byteOffset : this.byteOffset,
byteLength : byteLength,
});
target : target
};
this.mainJson.bufferViews.push (bufferView);
this.byteOffset += byteLength;
return this.mainJson.bufferViews.length - 1;
}
@ -343,16 +357,16 @@ export class ExporterGltf extends ExporterBase
let primitive = primitives[primitiveIndex];
let bufferViewCreator = new BufferViewCreator (mainJson, meshData.offsets[primitiveIndex]);
let indicesBufferView = bufferViewCreator.AddBufferView (primitive.indices.length * this.components.index.size);
let verticesBufferView = bufferViewCreator.AddBufferView (primitive.vertices.length * this.components.number.size);
let indicesBufferView = bufferViewCreator.AddBufferView (primitive.indices.length * this.components.index.size, GltfBufferType.ELEMENT_ARRAY_BUFFER);
let verticesBufferView = bufferViewCreator.AddBufferView (primitive.vertices.length * this.components.number.size, GltfBufferType.ARRAY_BUFFER);
let colorsBufferView = null;
if (primitive.colors.length > 0) {
colorsBufferView = bufferViewCreator.AddBufferView (primitive.colors.length * this.components.number.size);
colorsBufferView = bufferViewCreator.AddBufferView (primitive.colors.length * this.components.number.size, GltfBufferType.ARRAY_BUFFER);
}
let normalsBufferView = bufferViewCreator.AddBufferView (primitive.normals.length * this.components.number.size);
let normalsBufferView = bufferViewCreator.AddBufferView (primitive.normals.length * this.components.number.size, GltfBufferType.ARRAY_BUFFER);
let uvsBufferView = null;
if (primitive.uvs.length > 0) {
uvsBufferView = bufferViewCreator.AddBufferView (primitive.uvs.length * this.components.number.size);
uvsBufferView = bufferViewCreator.AddBufferView (primitive.uvs.length * this.components.number.size, GltfBufferType.ARRAY_BUFFER);
}
let jsonPrimitive = {