35 lines
1.1 KiB
C#
35 lines
1.1 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class TransformVertexNode : MeshProcessor
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{
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public Vector3 Offset = Vector3.zero;
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public Quaternion Rotation = Quaternion.identity;
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public Vector3 Scale = Vector3.one;
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public override void Execute(ProceduralMeshData m){
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var transform = Matrix4x4.TRS(Offset, Rotation, Scale);
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int count = m.Vertices.Length;
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for (int i = 0; i < count; ++i){
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m.Vertices[i] = transform.MultiplyPoint3x4(m.Vertices[i]);
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}
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var normalTransform = Matrix4x4.TRS(Vector3.zero, Rotation, Scale).inverse.transpose;
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for (int i = 0; i < count; ++i) {
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m.Normals[i] = normalTransform.MultiplyPoint3x4(m.Normals[i]);
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}
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if (m.Tangents != null)
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{
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for (int i = 0; i < count; ++i)
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{
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var t = normalTransform.MultiplyPoint3x4((Vector3)m.Tangents[i]);
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m.Tangents[i] = new Vector4(t.x, t.y, t.z, m.Tangents[i].w);
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}
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}
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}
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}
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