using UnityEngine;
 
public class SlicedMesh : MonoBehaviour
{
    public static Mesh CreateSlicedMesh(Vector3[] P,  float[] EB)
    {
            //VERTICES & UV COORDS
            Vector3[] vt = new Vector3[36];
            Vector2[] uv = new Vector2[36];
            int[] tr = new int[54];

            vt = new Vector3[] { 
                P[4], P[0], P[1], P[5],
                P[5],P[1], P[2], P[6], 
                P[6],P[2], P[3], P[7], 

                P[8],P[4], P[5], P[9], 
                P[9],P[5], P[6], P[10], 
                P[10],P[6], P[7], P[11], 

                P[12], P[8], P[9], P[13], 
                P[13], P[9], P[10], P[14], 
                P[14], P[10], P[11], P[15] 
             };

                float w1=EB[3]/18f;
                float w2=(18f-EB[1])/18f;
                float h1=EB[2]/18f;
                float h2=(18f-EB[0])/18f;

                uv[0]=new Vector2(0, h2);
                uv[1]=new Vector2(0, 1f);
                uv[2]=new Vector2(w1, 1f);
                uv[3]=new Vector2(w1,h2);

                uv[4]=new Vector2(w1, h2);
                uv[5]=new Vector2(w1, 1);
                uv[6]=new Vector2(w2, 1);
                uv[7]=new Vector2(w2, h2);

                uv[8]=new Vector2(w2, h2);
                uv[9]=new Vector2(w2, 1f);
                uv[10]=new Vector2(1f, 1);
                uv[11]=new Vector2(1, h2);


            //Center
                uv[12]=new Vector2(0, h1);
                uv[13]=new Vector2(0, h2);
                uv[14]=new Vector2(w1, h2);
                uv[15]=new Vector2(w1, h1);

            uv[16]=new Vector2(w1, h1);
            uv[17]=new Vector2(w1, h2);
            uv[18]=new Vector2(w2, h2);
            uv[19]=new Vector2(w2, h1);

                uv[20]=new Vector2(w2, h1);
                uv[21]=new Vector2(w2, h2);
                uv[22]=new Vector2(1f, h2);
                uv[23]=new Vector2(1, h1);

            //Base
                uv[24]=new Vector2(0, 0);
                uv[25]=new Vector2(0, h1);
                uv[26]=new Vector2(w1, h1);
                uv[27]=new Vector2(w1, 0f);

                uv[28]=new Vector2(w1, 0);
                uv[29]=new Vector2(w1, h1);
                uv[30]=new Vector2(w2, h1);
                uv[31]=new Vector2(w2, 0f);

                uv[32]=new Vector2(w2, 0);
                uv[33]=new Vector2(w2, h1);
                uv[34]=new Vector2(1, h1);
                uv[35]=new Vector2(1, 0);


            tr[0]=0;
            tr[1]=1;
            tr[2]=2;
            tr[3]=0;
            tr[4]=2;
            tr[5]=3;

            tr[6]=4;
            tr[7]=5;
            tr[8]=6;
            tr[9]=4;
            tr[10]=6;
            tr[11]=7;

            tr[12]=8;
            tr[13]=9;
            tr[14]=10;
            tr[15]=8;
            tr[16]=10;
            tr[17]=11;
//center
            tr[18]=12;
            tr[19]=13;
            tr[20]=14;
            tr[21]=12;
            tr[22]=14;
            tr[23]=15;

            tr[24]=16;
            tr[25]=17;
            tr[26]=18;
            tr[27]=16;
            tr[28]=18;
            tr[29]=19;

            tr[30]=20;
            tr[31]=21;
            tr[32]=22;
            tr[33]=20;
            tr[34]=22;
            tr[35]=23;
//bas
            tr[36]=24;
            tr[37]=25;
            tr[38]=26;
            tr[39]=24;
            tr[40]=26;
            tr[41]=27;

            tr[42]=28;
            tr[43]=29;
            tr[44]=30;
            tr[45]=28;
            tr[46]=30;
            tr[47]=31;

            tr[48]=32;
            tr[49]=33;
            tr[50]=34;
            tr[51]=32;
            tr[52]=34;
            tr[53]=35;
           
            Mesh mesh = new Mesh();
            mesh.vertices = vt;
            mesh.uv = uv;
            mesh.triangles = tr;
            mesh.RecalculateNormals();
            mesh.RecalculateBounds();
            
            return mesh;      
    }
}