115 lines
3.6 KiB
C#
115 lines
3.6 KiB
C#
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* Licensed under the Oculus SDK License Agreement (the "License");
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* you may not use the Oculus SDK except in compliance with the License,
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* which is provided at the time of installation or download, or which
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* otherwise accompanies this software in either electronic or hard copy form.
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*
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* You may obtain a copy of the License at
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*
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* https://developer.oculus.com/licenses/oculussdk/
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*
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* Unless required by applicable law or agreed to in writing, the Oculus SDK
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using UnityEngine;
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public class OVRGLTFAnimationNodeMorphTargetHandler
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{
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public OVRMeshData MeshData { get; private set; }
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public float[] Weights;
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private bool modified = false;
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public OVRGLTFAnimationNodeMorphTargetHandler(OVRMeshData meshData)
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{
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this.MeshData = meshData;
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}
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public void Update()
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{
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if (!modified)
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{
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return;
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}
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var meshDataBase = new OVRMeshAttributes();
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for (var i = 0; i < MeshData.morphTargets.Length; i++)
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{
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if (MeshData.morphTargets[i].vertices != null)
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{
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if (meshDataBase.vertices == null)
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{
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meshDataBase.vertices = new Vector3[MeshData.baseAttributes.vertices.Length];
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Array.Copy(MeshData.baseAttributes.vertices, meshDataBase.vertices,
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MeshData.baseAttributes.vertices.Length);
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}
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var vi = i / 2;
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if (i % 2 == 0)
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{
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var morphedData = MeshData.morphTargets[i].vertices[vi].x *
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Weights[i];
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meshDataBase.vertices[vi].x += morphedData;
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}
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else
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{
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var morphedData = MeshData.morphTargets[i].vertices[vi].y *
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Weights[i];
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meshDataBase.vertices[vi].y += morphedData;
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}
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}
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if (MeshData.morphTargets[i].texcoords != null)
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{
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if (meshDataBase.texcoords == null)
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{
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meshDataBase.texcoords = new Vector2[MeshData.baseAttributes.texcoords.Length];
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Array.Copy(MeshData.baseAttributes.texcoords, meshDataBase.texcoords,
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MeshData.baseAttributes.texcoords.Length);
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}
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var ti = i - 8;
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var tii = ti / 2;
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if (i % 2 == 0)
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{
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meshDataBase.texcoords[tii].x += MeshData.morphTargets[i].texcoords[tii].x *
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Weights[i];
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}
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else
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{
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meshDataBase.texcoords[tii].y += MeshData.morphTargets[i].texcoords[tii].y *
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Weights[i];
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}
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}
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}
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if (meshDataBase.vertices != null)
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{
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MeshData.mesh.vertices = meshDataBase.vertices;
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MeshData.mesh.RecalculateBounds();
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}
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if (meshDataBase.texcoords != null)
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{
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MeshData.mesh.uv = meshDataBase.texcoords;
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}
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MeshData.mesh.MarkModified();
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modified = false;
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}
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public void MarkModified()
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{
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modified = true;
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}
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}
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