SkinnedQuad

SkinnedQuad.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[ExecuteInEditMode]
public class SkinnedQuad : MonoBehaviour {

    public Transform[] bones;
    SkinnedMeshRenderer smr;
    static public List<Vector3> vertices = new List<Vector3>();
    static public List<Color> colors = new List<Color>();
    static public List<int> triangles = new List<int>();

    class Triangle
    {
        public void MakeTriangle(Vector3 center,int width, int height,int count)
        {
            vertices.Add(new Vector3(center.x - width / 2, center.y + height / 2, 0));
            vertices.Add(new Vector3(center.x + width / 2, center.y + height / 2, 0));
            vertices.Add(new Vector3(center.x, center.y - height / 2, 0));

            colors.Add(new Color(255, 0, 0));
            colors.Add(new Color(0, 255, 0));
            colors.Add(new Color(0, 0, 255));

            triangles.Add(count * 3 + 0);
            triangles.Add(count * 3 + 1);
            triangles.Add(count * 3 + 2);
        }
    }

    private void Awake()
    {
        Mesh m = new Mesh();

        for(int i=0;i<11;i++)
        {
            Triangle triangle = new Triangle();
            switch (i)
            {
                case 0: //PELVIS
                    triangle.MakeTriangle(new Vector3(0.0f, 10.0f, 0.0f),5,5,i);
                    break;
                case 1: //BODY_UP
                    triangle.MakeTriangle(new Vector3(0.0f, 6.0f, 0.0f), 10, 5, i);
                    break;
                case 2: //BODY_DOWN
                    triangle.MakeTriangle(new Vector3(0.0f, -1.0f, 0.0f), 10, 10, i);
                    break;
                case 3: //LEFT_ARM_UP
                    triangle.MakeTriangle(new Vector3(-7.0f, 3.0f, 0.0f), 5, 10, i);
                    break;
                case 4: //RIGHT_ARM_UP
                    triangle.MakeTriangle(new Vector3(7.0f, 3.0f, 0.0f), 5, 10, i);
                    break;
                case 5: //LEFT_ARM_DOWN
                    triangle.MakeTriangle(new Vector3(-7.0f, -7.0f, 0.0f), 5, 10, i);
                    break;
                case 6: //RIGHT_ARM_DOWN
                    triangle.MakeTriangle(new Vector3(7.0f, -7.0f, 0.0f), 5, 10, i);
                    break;
                case 7: //LEFT_LEG_UP
                    triangle.MakeTriangle(new Vector3(-2.0f, -11.0f, 0.0f), 5, 10, i);
                    break;
                case 8: //RIGHT_LEG_UP
                    triangle.MakeTriangle(new Vector3(2.0f, -11.0f, 0.0f), 5, 10, i);
                    break;
                case 9: //LEFT_LEG_DOWN
                    triangle.MakeTriangle(new Vector3(-2.0f, -21.0f, 0.0f), 5, 10, i);
                    break;
                case 10://RIGHT_LEG_DOWN
                    triangle.MakeTriangle(new Vector3(2.0f, -21.0f, 0.0f), 5, 10, i);
                    break;
                default:
                    Debug.Log("FUCKED");
                    break;
            }
        }
        

        m.vertices = vertices.ToArray();
        m.colors = colors.ToArray();
        m.triangles = triangles.ToArray();
        ////본의 갯수만큼 boneweight
        m.bindposes = new Matrix4x4[]
        {
            //pivot으로 부터 얼마나 떨어져있는지
            bones[0].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[1].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[2].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[3].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[4].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[5].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[6].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[7].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[8].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[9].worldToLocalMatrix*transform.localToWorldMatrix,
            bones[10].worldToLocalMatrix*transform.localToWorldMatrix
        };

        m.boneWeights = new BoneWeight[]
        {
            //weight는 최대합이 1
            
            //PELVIS
            new BoneWeight() { boneIndex0 = 0, weight0=1 },
            new BoneWeight() { boneIndex0 = 0, weight0=1 },
            new BoneWeight() { boneIndex0 = 0, weight0=1 },
            //CHEST
            new BoneWeight() { boneIndex0 = 1, weight0=1 },
            new BoneWeight() { boneIndex0 = 1, weight0=1 },
            new BoneWeight() { boneIndex0 = 1, weight0=1 },
            //NECK
            new BoneWeight() { boneIndex0 = 2, weight0=1 },
            new BoneWeight() { boneIndex0 = 2, weight0=1 },
            new BoneWeight() { boneIndex0 = 2, weight0=1 },
            //SHOULDER_LEFT
            new BoneWeight() { boneIndex0 = 3, weight0=1 },
            new BoneWeight() { boneIndex0 = 3, weight0=1 },
            new BoneWeight() { boneIndex0 = 3, weight0=1 },
            //ARM_LEFT
            new BoneWeight() { boneIndex0 = 4, weight0=1 },
            new BoneWeight() { boneIndex0 = 4, weight0=1 },
            new BoneWeight() { boneIndex0 = 4, weight0=1 },
            //SHOULDER_RIGHT
            new BoneWeight() { boneIndex0 = 5, weight0=1 },
            new BoneWeight() { boneIndex0 = 5, weight0=1 },
            new BoneWeight() { boneIndex0 = 5, weight0=1 },
            //ARM_RIGHT
            new BoneWeight() { boneIndex0 = 6, weight0=1 },
            new BoneWeight() { boneIndex0 = 6, weight0=1 },
            new BoneWeight() { boneIndex0 = 6, weight0=1 },
            //LEG_RIGHT
            new BoneWeight() { boneIndex0 = 7, weight0=1 },
            new BoneWeight() { boneIndex0 = 7, weight0=1 },
            new BoneWeight() { boneIndex0 = 7, weight0=1 },
            //KNEE_RIGHT
            new BoneWeight() { boneIndex0 = 8, weight0=1 },
            new BoneWeight() { boneIndex0 = 8, weight0=1 },
            new BoneWeight() { boneIndex0 = 8, weight0=1 },
            //LEG_LEFT
            new BoneWeight() { boneIndex0 = 9, weight0=1 },
            new BoneWeight() { boneIndex0 = 9, weight0=1 },
            new BoneWeight() { boneIndex0 = 9, weight0=1 },
            //KNEE_LEFT
            new BoneWeight() { boneIndex0 = 10, weight0=1 },
            new BoneWeight() { boneIndex0 = 10, weight0=1 },
            new BoneWeight() { boneIndex0 = 10, weight0=1 }
        };

        smr = GetComponent<SkinnedMeshRenderer>();
        smr.bones = bones;
        smr.sharedMesh = m;
        smr.quality = SkinQuality.Bone1;
    }
}