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Separate MeshExtensions

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This commit is contained in:
ousttrue 2018-07-25 17:49:50 +09:00
parent 9599ffe1b6
commit 25042439e1
3 changed files with 74 additions and 43 deletions
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47
Scripts/SkinnedMeshUtility/BoneNormalizer.cs
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@ -333,7 +333,10 @@ namespace VRM
// Meshに乗っているボーンの姿勢を適用する
var dstFilter = dst.gameObject.AddComponent<MeshFilter>();
dstFilter.sharedMesh = TransformMesh(srcFilter.sharedMesh, src.localToWorldMatrix);
var dstMesh = srcFilter.sharedMesh.Copy();
dstMesh.ApplyRotationAndScale(src.localToWorldMatrix);
dstFilter.sharedMesh = dstMesh;
// Materialをコピー
var dstRenderer = dst.gameObject.AddComponent<MeshRenderer>();
@ -373,47 +376,5 @@ namespace VRM
return normalized;
}
/// <summary>
///
/// </summary>
/// <param name="src"></param>
/// <param name="m"></param>
/// <returns></returns>
static Mesh TransformMesh(Mesh src, Matrix4x4 m)
{
m.SetColumn(3, new Vector4(0, 0, 0, 1));
var mesh = new Mesh();
mesh.name = src.name + "(transformed)";
mesh.vertices = src.vertices.Select(x => m.MultiplyPoint(x)).ToArray();
if (src.normals != null && src.normals.Length > 0)
{
mesh.normals = src.normals.Select(x => m.MultiplyVector(x)).ToArray();
}
if (src.tangents != null && src.tangents.Length > 0)
{
mesh.tangents = src.tangents.Select(x =>
{
var t = m.MultiplyVector((Vector3)x);
return new Vector4(t.x, t.y, t.z, x.w);
}).ToArray();
}
if (src.colors != null && src.colors.Length > 0) mesh.colors = src.colors;
if (src.uv != null && src.uv.Length > 0) mesh.uv = src.uv;
if (src.uv2 != null && src.uv2.Length > 0) mesh.uv2 = src.uv2;
if (src.uv3 != null && src.uv3.Length > 0) mesh.uv3 = src.uv3;
if (src.uv4 != null && src.uv4.Length > 0) mesh.uv4 = src.uv4;
mesh.subMeshCount = src.subMeshCount;
for(int i=0; i<mesh.subMeshCount; ++i)
{
mesh.SetIndices(src.GetIndices(i), src.GetTopology(i), i);
}
return mesh;
}
}
}

58
Scripts/SkinnedMeshUtility/MeshExtensions.cs Normal file
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@ -0,0 +1,58 @@
using UnityEngine;
using System.Linq;
namespace VRM
{
public static class MeshExtensions
{
public static Mesh Copy(this Mesh src)
{
var dst = new Mesh();
dst.name = src.name + "(copy)";
dst.vertices = src.vertices;
dst.normals = src.normals;
dst.tangents = src.tangents;
if (src.colors != null && src.colors.Length > 0) dst.colors = src.colors;
if (src.uv != null && src.uv.Length > 0) dst.uv = src.uv;
if (src.uv2 != null && src.uv2.Length > 0) dst.uv2 = src.uv2;
if (src.uv3 != null && src.uv3.Length > 0) dst.uv3 = src.uv3;
if (src.uv4 != null && src.uv4.Length > 0) dst.uv4 = src.uv4;
dst.subMeshCount = src.subMeshCount;
for (int i = 0; i < dst.subMeshCount; ++i)
{
dst.SetIndices(src.GetIndices(i), src.GetTopology(i), i);
}
return dst;
}
public static void ApplyRotationAndScale(this Mesh src, Matrix4x4 m)
{
m.SetColumn(3, new Vector4(0, 0, 0, 1));
src.ApplyMatrix(m);
}
public static void ApplyMatrix(this Mesh src, Matrix4x4 m)
{
m.SetColumn(3, new Vector4(0, 0, 0, 1));
src.vertices = src.vertices.Select(x => m.MultiplyPoint(x)).ToArray();
if (src.normals != null && src.normals.Length > 0)
{
src.normals = src.normals.Select(x => m.MultiplyVector(x)).ToArray();
}
if (src.tangents != null && src.tangents.Length > 0)
{
src.tangents = src.tangents.Select(x =>
{
var t = m.MultiplyVector((Vector3)x);
return new Vector4(t.x, t.y, t.z, x.w);
}).ToArray();
}
}
}
}

12
Scripts/SkinnedMeshUtility/MeshExtensions.cs.meta Normal file
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@ -0,0 +1,12 @@
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