87 lines
2.6 KiB
C#
87 lines
2.6 KiB
C#
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
|
|
namespace Dreamteck
|
|
{
|
|
public static class TransformUtility
|
|
{
|
|
public static Vector3 GetPosition(Matrix4x4 m)
|
|
{
|
|
return m.GetColumn(3);
|
|
}
|
|
|
|
public static Quaternion GetRotation(Matrix4x4 m)
|
|
{
|
|
return Quaternion.LookRotation(m.GetColumn(2), m.GetColumn(1));
|
|
}
|
|
|
|
public static Vector3 GetScale(Matrix4x4 m)
|
|
{
|
|
return new Vector3(m.GetColumn(0).magnitude, m.GetColumn(1).magnitude, m.GetColumn(2).magnitude);
|
|
}
|
|
|
|
public static void SetPosition(ref Matrix4x4 m, ref Vector3 p)
|
|
{
|
|
m.SetColumn(3, new Vector4(p.x, p.y, p.z, 1f));
|
|
}
|
|
|
|
public static void GetChildCount(Transform parent, ref int count)
|
|
{
|
|
foreach (Transform child in parent)
|
|
{
|
|
count++;
|
|
GetChildCount(child, ref count);
|
|
}
|
|
}
|
|
|
|
public static void MergeBoundsRecursively(this Transform rootParent, Transform tr, ref Bounds bounds, string nameToIgnore = null)
|
|
{
|
|
foreach (Transform child in tr)
|
|
{
|
|
if (!string.IsNullOrEmpty(nameToIgnore) && child.name == nameToIgnore)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
rootParent.MergeBoundsRecursively(child, ref bounds);
|
|
|
|
var meshFilter = child.GetComponent<MeshFilter>();
|
|
|
|
if (meshFilter == null) continue;
|
|
if (meshFilter.sharedMesh == null)
|
|
{
|
|
Debug.LogError("MESH FILTER " + meshFilter.name + " IS MISSING A MESH");
|
|
continue;
|
|
}
|
|
var min = child.TransformPoint(meshFilter.sharedMesh.bounds.min);
|
|
var max = child.TransformPoint(meshFilter.sharedMesh.bounds.max);
|
|
|
|
bounds.Encapsulate(rootParent.InverseTransformPoint(min));
|
|
bounds.Encapsulate(rootParent.InverseTransformPoint(max));
|
|
}
|
|
}
|
|
|
|
public static void DestroyChildren(this Transform src)
|
|
{
|
|
int count = src.childCount;
|
|
for (int i = 0; i < count; i++)
|
|
{
|
|
UnityEngine.Object.Destroy(src.GetChild(i).gameObject);
|
|
}
|
|
}
|
|
|
|
public static bool IsParent(Transform child, Transform parent)
|
|
{
|
|
Transform current = child;
|
|
while(current.parent != null)
|
|
{
|
|
current = current.parent;
|
|
if (current == parent) return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|