[Unity]骨架部位上色、特定部位上色

using System.Collections;
using UnityEngine;

namespace AssemblyCSharp {
	public class NewBoneHighter : MonoBehaviour {

		public Color32 highlightColor = Color.red;
		public Color32 regularColor = Color.white;

		public SkinnedMeshRenderer smr;

		// Just for sake of demonstration
		public Transform[] boneList; //放進對應的joint 用 GetBoneIndex () 可找到骨架編號
		public int[] boneIndex = new int[15];

		//joint變的色, 存bone的編號
		public static int[, ] jointcolor //0白 1紅 2綠 3黃
		= { { 1, 19 }, { 0, 15 }, { 0, 14 }, { 1, 0 }, { 0, 1 }, { 0, 2 }, { 0, 18 }, { 0, 16 }, { 0, 20 }, { 0, 8 }, { 0, 7 }, { 0, 21 }, { 0, 10 }, { 0, 12 } };

		//19 15 14 0 1 2 17 16 20 8 7 21 10 12 這些數字是先跑一次，在unity編輯器用boneIndex找到的

		// Find bone index given bone transform
		void GetBoneIndex () {

			var bones = smr.bones;
			for (int j = 0; j < boneList.Length; j++) {
				for (int i = 0; i < bones.Length; ++i) {
					if (bones[i] == boneList[j]) {
						boneIndex[j] = i;
					}

				}
			}

		}

		private void ChangeMesh () {
			var mesh = smr.sharedMesh;
			Vector3[] vertices = mesh.vertices;
			Vector3[] normals = mesh.normals;

			for(var i = 0; i < vertices.Length ; i++){
				vertices[i] *= 3;
			}

			mesh.vertices = vertices;
		}

		// Change vertex colors highlighting given bone
		public void Highlight () {

			var mesh = smr.sharedMesh;
			var weights = mesh.boneWeights;
			var colors = new Color32[weights.Length];

			Vector3[] vertices = mesh.vertices;

			for (int i = 0; i < colors.Length; ++i) {
				colors[i] = Color.white; //預設全圖白
				for (int j = 0; j < 14; j++) { //要變色joint再去檢查
					if (jointcolor[j, 0] == 1) {
						if (weights[i].boneIndex0 == jointcolor[j, 1] && weights[i].weight0 > 0)
							colors[i] = Color.red;
							
					}
					if (jointcolor[j, 0] == 2) {
						if (weights[i].boneIndex0 == jointcolor[j, 1] && weights[i].weight0 > 0)
							colors[i] = Color.green;
					
					}
					if (jointcolor[j, 0] == 3) {
						if (weights[i].boneIndex0 == jointcolor[j, 1] && weights[i].weight0 > 0)
							colors[i] = Color.yellow;
						
					}

				}

			}

			mesh.colors32 = colors;
			mesh.vertices = vertices;

		}

		void Start () {
			// If not explicitly specified SkinnedMeshRenderer try to find one
			if (smr == null) smr = GetComponent<SkinnedMeshRenderer> ();
			// SkinnedMeshRenderer has only shared mesh. We should not modify it.
			// So we make a copy on startup, and work with it.
			smr.sharedMesh = (Mesh) Instantiate (smr.sharedMesh);

			// ChangeMesh ();

			Highlight ();
			GetBoneIndex ();
		}

		void Update () {
			
		}
	}
}