效果图：
插件下载地址：
https://github.com/baishuisr1/Unity-Add-Game-group-Collider-Plugin
源码:
using System;
using UnityEngine;
using UnityEditor;
public class AddCollider : EditorWindow
{
[MenuItem("Window/辅助功能")]
static void Window()
{
AddCollider newWindow = EditorWindow.GetWindow<AddCollider>("辅助功能");
newWindow.Show();
}
private string zoom = "100";
void OnGUI()
{
GUILayout.Label("碰撞器缩放_百分比(默认100%)");
zoom = GUILayout.TextField(zoom);
if (GUILayout.Button("添加碰撞体积"))
{
float zoomFloat = Convert.ToSingle(zoom)/100;
if (zoomFloat > 1.5)
{
Debug.Log("请输入1-150的数");
return;
}
if (zoomFloat < 0.1)
{
Debug.Log("请输入1-150的数");
return;
}
GameObject gameObject = Selection.activeGameObject;
if (gameObject == null)
{
Debug.Log("请选择一个物体");
return;
}
Vector3 vector3;
vector3 = gameObject.transform.position;
gameObject.transform.position =new Vector3(0,0,0);
float Y_Max = -5000;
float Y_Mix = 5000;
float X_Max = -5000;
float X_Mix = 5000;
float Z_Max = -5000;
float Z_Mix = 5000;
foreach (Transform VARIABLE in gameObject.transform)
{
BoxCollider boxCollider = VARIABLE.transform.gameObject.AddComponent<BoxCollider>();
Vector3[] vector3s = GetBoxColliderVertexPositions(boxCollider);
for (int i = 0; i < vector3s.Length; i++)
{
if (vector3s[i].y >= Y_Max)
{
Y_Max = vector3s[i].y;
}
if (vector3s[i].y <= Y_Mix)
{
Y_Mix = vector3s[i].y;
}
if (vector3s[i].x >= X_Max)
{
X_Max = vector3s[i].x;
}
if (vector3s[i].x <= X_Mix)
{
X_Mix = vector3s[i].x;
}
if (vector3s[i].z >= Z_Max)
{
Z_Max = vector3s[i].z;
}
if (vector3s[i].z <= Z_Mix)
{
Z_Mix = vector3s[i].z;
}
}
}
Y_Max *= zoomFloat;
Y_Mix *= zoomFloat;
X_Max *= zoomFloat;
X_Mix *= zoomFloat;
Z_Max *= zoomFloat;
Z_Mix *= zoomFloat;
gameObject.AddComponent<MeshCollider>();
Mesh mesh = new Mesh();
mesh.name = gameObject.name;
int[] triangles = new int[36];
Vector3[] vertices = new Vector3[24];
Vector3 verticeUp1 = new Vector3(X_Mix, Y_Max, Z_Max);
vertices[3] = verticeUp1;
vertices[9] = verticeUp1;
vertices[21] = verticeUp1;
Vector3 verticeUp2 = new Vector3(X_Mix, Y_Max, Z_Mix);
vertices[5] = verticeUp2;
vertices[11] = verticeUp2;
vertices[20] = verticeUp2;
Vector3 verticeUp3 = new Vector3(X_Max, Y_Max, Z_Mix);
vertices[4] = verticeUp3;
vertices[10] = verticeUp3;
vertices[18] = verticeUp3;
Vector3 verticeUp4 = new Vector3(X_Max, Y_Max, Z_Max);
vertices[2] = verticeUp4;
vertices[8] = verticeUp4;
vertices[19] = verticeUp4;
Vector3 verticeDown1 = new Vector3(X_Max, Y_Mix, Z_Max);
vertices[0] = verticeDown1;
vertices[14] = verticeDown1;
vertices[17] = verticeDown1;
Vector3 verticeDown2 = new Vector3(X_Mix, Y_Mix, Z_Max);
vertices[1] = verticeDown2;
vertices[15] = verticeDown2;
vertices[23] = verticeDown2;
Vector3 verticeDown3 = new Vector3(X_Mix, Y_Mix, Z_Mix);
vertices[7] = verticeDown3;
vertices[13] = verticeDown3;
vertices[22] = verticeDown3;
Vector3 verticeDown4 = new Vector3(X_Max, Y_Mix, Z_Mix);
vertices[6] = verticeDown4;
vertices[12] = verticeDown4;
vertices[16] = verticeDown4;
int currentCount = 0;
for (int i = 0; i < 24; i = i + 4)
{
//三角形1
triangles[currentCount++] = i;
triangles[currentCount++] = i + 3;
triangles[currentCount++] = i + 1;
//三角形2
triangles[currentCount++] = i;
triangles[currentCount++] = i + 2;
triangles[currentCount++] = i + 3;
}
mesh.vertices = vertices;
mesh.triangles = triangles;
gameObject.GetComponent<MeshCollider>().sharedMesh = mesh;
foreach (Transform VARIABLE in gameObject.transform)
{
DestroyImmediate(VARIABLE.GetComponent<BoxCollider>());
}
gameObject.transform.position = vector3;
}
}
Vector3[] GetBoxColliderVertexPositions(BoxCollider boxcollider)
{
var vertices = new Vector3[8];
vertices[0] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(boxcollider.size.x, -boxcollider.size.y, boxcollider.size.z)*
0.5f);
vertices[1] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(-boxcollider.size.x, -boxcollider.size.y,
boxcollider.size.z)*0.5f);
vertices[2] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(-boxcollider.size.x, -boxcollider.size.y,
-boxcollider.size.z)*0.5f);
vertices[3] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(boxcollider.size.x, -boxcollider.size.y,
-boxcollider.size.z)*0.5f);
vertices[4] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(boxcollider.size.x, boxcollider.size.y, boxcollider.size.z)*
0.5f);
vertices[5] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(-boxcollider.size.x, boxcollider.size.y, boxcollider.size.z)*
0.5f);
vertices[6] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(-boxcollider.size.x, boxcollider.size.y,
-boxcollider.size.z)*0.5f);
vertices[7] =
boxcollider.transform.TransformPoint(boxcollider.center +
new Vector3(boxcollider.size.x, boxcollider.size.y, -boxcollider.size.z)*
0.5f);
return vertices;
}
}
