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bbagwang/MineCraftCharacter.cs

Created March 19, 2019 17:15
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MineCraftCharacter
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MineCraftCharacter.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class MineCraftCharacter : MonoBehaviour
{
enum UV_Type { HEAD, BODY, LEGARM };
static float p4 = 0.0625f;
static float p8 = 0.125f;
static float p12 = 0.1875f;
static float p16 = 0.25f;
[SerializeField]
private Vector3[] vertices = new Vector3[4 * 6 * 6];
[SerializeField]
private Vector2[] uv = new Vector2[4 * 6 * 6];
[SerializeField]
private int[] triangles = new int[6 * 6 * 6];
class Cube
{
public Vector3[] vertices;
public Vector2[] uv;
public int[] triangles;
public Cube CreateCube(Vector3 center, float width, float height, Vector2 origin, UV_Type type, int count)
{
vertices = new Vector3[]{
//RIGHT
new Vector3(center.x + width / 2, center.y - height / 2, center.z - width / 2), //3 //0
new Vector3(center.x + width / 2, center.y + height / 2, center.z - width / 2), //2 //1
new Vector3(center.x + width / 2, center.y + height / 2, center.z + width / 2), //6 //2
new Vector3(center.x + width / 2, center.y - height / 2, center.z + width / 2), //7 //3
//FRONT
new Vector3(center.x - width / 2, center.y - height / 2, center.z - width / 2), //0 //4
new Vector3(center.x - width / 2, center.y + height / 2, center.z - width / 2), //1 //5
new Vector3(center.x + width / 2, center.y + height / 2, center.z - width / 2), //2 //6
new Vector3(center.x + width / 2, center.y - height / 2, center.z - width / 2), //3 //7
//TOP
new Vector3(center.x - width / 2, center.y + height / 2, center.z - width / 2), //1 //8
new Vector3(center.x - width / 2, center.y + height / 2, center.z + width / 2), //5 //9
new Vector3(center.x + width / 2, center.y + height / 2, center.z + width / 2), //6 //10
new Vector3(center.x + width / 2, center.y + height / 2, center.z - width / 2), //2 //11
//LEFT
new Vector3(center.x - width / 2, center.y - height / 2, center.z + width / 2), //4 //12
new Vector3(center.x - width / 2, center.y + height / 2, center.z + width / 2), //5 //13
new Vector3(center.x - width / 2, center.y + height / 2, center.z - width / 2), //1 //14
new Vector3(center.x - width / 2, center.y - height / 2, center.z - width / 2), //0 //15
//BOTTOM
new Vector3(center.x - width / 2, center.y - height / 2, center.z - width / 2), //0 //16
new Vector3(center.x + width / 2, center.y - height / 2, center.z - width / 2), //3 //17
new Vector3(center.x + width / 2, center.y - height / 2, center.z + width / 2), //7 //18
new Vector3(center.x - width / 2, center.y - height / 2, center.z + width / 2), //4 //19
//BACK
new Vector3(center.x + width / 2, center.y - height / 2, center.z + width / 2), //7 //20
new Vector3(center.x + width / 2, center.y + height / 2, center.z + width / 2), //6 //21
new Vector3(center.x - width / 2, center.y + height / 2, center.z + width / 2), //5 //22
new Vector3(center.x - width / 2, center.y - height / 2, center.z + width / 2), //4 //23
};
switch (type)
{
case UV_Type.HEAD:
uv = new Vector2[]
{
//RIGHT
new Vector2(origin.x,origin.y),
new Vector2(origin.x,origin.y+p8),
new Vector2(origin.x+p8,origin.y+p8),
new Vector2(origin.x+p8,origin.y),
//FRONT
new Vector2(origin.x+p8,origin.y),
new Vector2(origin.x+p8,origin.y+p8),
new Vector2(origin.x+p16,origin.y+p8),
new Vector2(origin.x+p16,origin.y),
//TOP
new Vector2(origin.x+p8,origin.y+p8),
new Vector2(origin.x+p8,origin.y+p16),
new Vector2(origin.x+p16,origin.y+p16),
new Vector2(origin.x+p16,origin.y+p8),
//LEFT
new Vector2(origin.x+p16,origin.y),
new Vector2(origin.x+p16,origin.y+p8),
new Vector2(origin.x+p16+p8,origin.y+p8),
new Vector2(origin.x+p16+p8,origin.y),
//BOTTOM
new Vector2(origin.x+p16,origin.y+p8),
new Vector2(origin.x+p16,origin.y+p16),
new Vector2(origin.x+p16+p8,origin.y+p16),
new Vector2(origin.x+p16+p8,origin.y+p8),
//BACK
new Vector2(origin.x+p16+p8,origin.y),
new Vector2(origin.x+p16+p8,origin.y+p8),
new Vector2(origin.x+p16+p16,origin.y+p8),
new Vector2(origin.x+p16+p16,origin.y)
};
break;
case UV_Type.BODY:
uv = new Vector2[]
{
//RIGHT
new Vector2(origin.x,origin.y),
new Vector2(origin.x,origin.y+p12),
new Vector2(origin.x+p4,origin.y+p12),
new Vector2(origin.x+p4,origin.y),
//FRONT
new Vector2(origin.x+p4,origin.y),
new Vector2(origin.x+p4,origin.y+p12),
new Vector2(origin.x+p12,origin.y+p12),
new Vector2(origin.x+p12,origin.y),
//TOP
new Vector2(origin.x+p4,origin.y+p12),
new Vector2(origin.x+p4,origin.y+p16),
new Vector2(origin.x+p12,origin.y+p16),
new Vector2(origin.x+p12,origin.y+p12),
//LEFT
new Vector2(origin.x+p16+p4,origin.y),
new Vector2(origin.x+p16+p4,origin.y+p12),
new Vector2(origin.x+p16+p8,origin.y+p12),
new Vector2(origin.x+p16+p8,origin.y),
//BOTTOM
new Vector2(origin.x+p12,origin.y+p12),
new Vector2(origin.x+p12,origin.y+p16),
new Vector2(origin.x+p16+p4,origin.y+p16),
new Vector2(origin.x+p16+p4,origin.y+p12),
//BACK
new Vector2(origin.x+p12,origin.y),
new Vector2(origin.x+p12,origin.y+p12),
new Vector2(origin.x+p16+p4,origin.y+p12),
new Vector2(origin.x+p16+p4,origin.y)
};
break;
case UV_Type.LEGARM:
uv = new Vector2[]
{
//RIGHT
new Vector2(origin.x,origin.y),
new Vector2(origin.x,origin.y+p12),
new Vector2(origin.x+p4,origin.y+p12),
new Vector2(origin.x+p4,origin.y),
//FRONT
new Vector2(origin.x+p4,origin.y),
new Vector2(origin.x+p4,origin.y+p12),
new Vector2(origin.x+p8,origin.y+p12),
new Vector2(origin.x+p8,origin.y),
//TOP
new Vector2(origin.x+p4,origin.y+p12),
new Vector2(origin.x+p4,origin.y+p16),
new Vector2(origin.x+p8,origin.y+p16),
new Vector2(origin.x+p8,origin.y+p12),
//LEFT
new Vector2(origin.x+p8,origin.y),
new Vector2(origin.x+p8,origin.y+p12),
new Vector2(origin.x+p12,origin.y+p12),
new Vector2(origin.x+p12,origin.y),
//BOTTOM
new Vector2(origin.x+p8,origin.y+p12),
new Vector2(origin.x+p8,origin.y+p16),
new Vector2(origin.x+p12,origin.y+p16),
new Vector2(origin.x+p12,origin.y+p12),
//BACK
new Vector2(origin.x+p12,origin.y),
new Vector2(origin.x+p12,origin.y+p12),
new Vector2(origin.x+p16,origin.y+p12),
new Vector2(origin.x+p16,origin.y)
};
break;
}
triangles = new int[]
{
//RIGHT
count*24+0,count*24+1,count*24+2,
count*24+2,count*24+3,count*24+0,
//FRONT
count*24+4,count*24+5,count*24+6,
count*24+6,count*24+7,count*24+4,
//TOP
count*24+8,count*24+9,count*24+10,
count*24+10,count*24+11,count*24+8,
//LEFT
count*24+12,count*24+13,count*24+14,
count*24+14,count*24+15,count*24+12,
//BOTTOM
count*24+16,count*24+17,count*24+18,
count*24+18,count*24+19,count*24+16,
//BACK
count*24+20,count*24+21,count*24+22,
count*24+22,count*24+23,count*24+20
};
return this;
}
}
void Awake()
{
MeshFilter mf = GetComponent<MeshFilter>();
Mesh m = new Mesh();
for (int i = 0; i < 6; i++)
{
Cube cube = new Cube();
switch (i)
{
case 0: //HEAD
cube = cube.CreateCube(Vector3.zero, 10.0f, 10.0f, new Vector2(0, 1 - p16), UV_Type.HEAD, i);
break;
case 1: //BODY
cube = cube.CreateCube(new Vector3(0, -12.5f), 10.0f, 15.0f, new Vector2(p16, 1 - p16 * 2), UV_Type.BODY, i);
break;
case 2: //LEFT ARM
cube = cube.CreateCube(new Vector3(-7.0f, -12.5f), 4.0f, 15.0f, new Vector2(p16 * 2, 0), UV_Type.LEGARM, i);
break;
case 3: //RIGHT ARM
cube = cube.CreateCube(new Vector3(7.0f, -12.5f), 4.0f, 15.0f, new Vector2(1 - p16 - p8, p16 * 2), UV_Type.LEGARM, i);
break;
case 4: //LEFT LEG
cube = cube.CreateCube(new Vector3(-2.5f, -25.5f), 6.0f, 22.5f, new Vector2(p16, 0), UV_Type.LEGARM, i);
break;
case 5: //RIGHT LEG
cube = cube.CreateCube(new Vector3(2.5f, -25.5f), 6.0f, 22.5f, new Vector2(0, p16 * 2), UV_Type.LEGARM, i);
break;
default:
break;
}
for (int x = 0; x < 4 * 6; x++)
{
vertices[i * 4 * 6 + x] = cube.vertices[x];
uv[i * 4 * 6 + x] = cube.uv[x];
}
for (int x = 0; x < 6 * 6; x++)
{
triangles[i * 6 * 6 + x] = cube.triangles[x];
}
}
m.vertices = this.vertices;
m.uv = this.uv;
m.triangles = this.triangles;
mf.mesh = m;
}
}
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