Leahnaya/UniVRM
1
0
Fork 0
mirror of https://github.com/vrm-c/UniVRM.git synced 2026-08-26 12:55:18 -05:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

LINQやめ

Browse Source
This commit is contained in:
ousttrue
2022-02-04 20:23:49 +09:00
parent 237ca2a303
commit f0e93bca28
4 changed files with 50 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshExportUtil.cs
View File

@@ -115,8 +115,7 @@ namespace UniGLTF
var indicesAccessorIndex = data.ExtendBufferAndGetAccessorIndex(indices.Select(x => (uint)m_vertexIndexMap[x]).ToArray(), glBufferTarget.ELEMENT_ARRAY_BUFFER);
var positions = m_positions.ToArray();
var positionAccessorIndex = data.ExtendBufferAndGetAccessorIndex(positions, glBufferTarget.ARRAY_BUFFER);
data.GLTF.accessors[positionAccessorIndex].min = positions.Aggregate(positions[0], (a, b) => new Vector3(Mathf.Min(a.x, b.x), Math.Min(a.y, b.y), Mathf.Min(a.z, b.z))).ToArray();
data.GLTF.accessors[positionAccessorIndex].max = positions.Aggregate(positions[0], (a, b) => new Vector3(Mathf.Max(a.x, b.x), Math.Max(a.y, b.y), Mathf.Max(a.z, b.z))).ToArray();
AccessorsBounds.UpdatePositionAccessorsBounds(data.GLTF.accessors[positionAccessorIndex], positions);
var normals = m_normals.ToArray();
var normalAccessorIndex = data.ExtendBufferAndGetAccessorIndex(normals, glBufferTarget.ARRAY_BUFFER);

3
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/MeshExporter_SharedVertexBuffer.cs
View File

@@ -32,8 +32,7 @@ namespace UniGLTF
var materials = unityMesh.Materials;
var positions = mesh.vertices.Select(axisInverter.InvertVector3).ToArray();
var positionAccessorIndex = data.ExtendBufferAndGetAccessorIndex(positions, glBufferTarget.ARRAY_BUFFER);
data.GLTF.accessors[positionAccessorIndex].min = positions.Aggregate(positions[0], (a, b) => new Vector3(Mathf.Min(a.x, b.x), Math.Min(a.y, b.y), Mathf.Min(a.z, b.z))).ToArray();
data.GLTF.accessors[positionAccessorIndex].max = positions.Aggregate(positions[0], (a, b) => new Vector3(Mathf.Max(a.x, b.x), Math.Max(a.y, b.y), Mathf.Max(a.z, b.z))).ToArray();
AccessorsBounds.UpdatePositionAccessorsBounds(data.GLTF.accessors[positionAccessorIndex], positions);
var normalAccessorIndex = data.ExtendBufferAndGetAccessorIndex(mesh.normals.Select(y => axisInverter.InvertVector3(y.normalized)).ToArray(), glBufferTarget.ARRAY_BUFFER);

37
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/PositionMinMax.cs Normal file
View File

@@ -0,0 +1,37 @@
using UnityEngine;
namespace UniGLTF
{
/// <summary>
/// https://www.khronos.org/registry/glTF/specs/2.0/glTF-2.0.html#accessors-bounds
///
/// Animation input and vertex position attribute accessors MUST have accessor.min and accessor.max defined. For all other accessors, these properties are optional.
/// </summary>
public static class AccessorsBounds
{
public static void UpdatePositionAccessorsBounds(glTFAccessor accessor, Vector3[] positions)
{
if (positions.Length == 0)
{
return;
}
var minX = positions[0].x;
var minY = positions[0].y;
var minZ = positions[0].z;
var maxX = positions[0].x;
var maxY = positions[0].y;
var maxZ = positions[0].z;
foreach (var position in positions)
{
minX = Mathf.Min(minX, position.x);
minY = Mathf.Min(minY, position.y);
minZ = Mathf.Min(minZ, position.z);
maxX = Mathf.Max(maxX, position.x);
maxY = Mathf.Max(maxY, position.y);
maxZ = Mathf.Max(maxZ, position.z);
}
accessor.min = new float[] { minX, minY, minZ };
accessor.max = new float[] { maxX, maxY, maxZ };
}
}
}

11
Assets/UniGLTF/Runtime/UniGLTF/IO/MeshIO/PositionMinMax.cs.meta Normal file
View File

@@ -0,0 +1,11 @@
fileFormatVersion: 2
guid: 9ebb201c801060d4a9865057558d1fbd
MonoImporter:
externalObjects: {}
serializedVersion: 2
defaultReferences: []
executionOrder: 0
icon: {instanceID: 0}
userData:
assetBundleName:
assetBundleVariant: