56 lines
1.8 KiB
C#
56 lines
1.8 KiB
C#
using System.Collections.Generic;
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using Unity.Collections;
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using Unity.Mathematics;
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using UnityEngine;
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namespace RealityReboot.jelycho {
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[ExecuteInEditMode]
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public class GutRenderer : MonoBehaviour {
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static readonly List<Vector3> s_worldPositions = new(1024);
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[SerializeField] Rope m_Rope;
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[SerializeField] Material m_Material;
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[SerializeField] float3[] m_Positions;
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[SerializeField, Range(3, 128)] int m_Resolution = 16;
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[SerializeField] Mesh m_Mesh;
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void Update() {
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if (m_Mesh == null) {
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m_Mesh = new Mesh {
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name = "GutMesh",
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indexFormat = UnityEngine.Rendering.IndexFormat.UInt32
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};
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m_Mesh.MarkDynamic();
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}
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if (m_Positions.Length < 2) {
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return;
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}
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int segmentCount = m_Positions.Length - 1;
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int vertexCount = m_Resolution * segmentCount;
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int triangleCount = (segmentCount - 1) * m_Resolution * 2;
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NativeArray<float3> positions = new(vertexCount, Allocator.Temp);
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NativeArray<float3> normals = new(vertexCount, Allocator.Temp);
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NativeArray<float2> uvs = new(vertexCount, Allocator.Temp);
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NativeArray<int> indices = new(triangleCount * 3, Allocator.Temp);
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for (int i = 0; i < m_Positions.Length - 1; i++) {
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}
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m_Mesh.Clear();
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m_Mesh.SetVertices(positions);
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m_Mesh.SetNormals(normals);
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m_Mesh.SetUVs(0, uvs);
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m_Mesh.SetIndices(indices, MeshTopology.Triangles, 0, false);
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Graphics.DrawMesh(m_Mesh, Matrix4x4.identity, m_Material, 0);
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}
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}
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} |