92 lines
2.8 KiB
C#
92 lines
2.8 KiB
C#
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namespace SRF
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{
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using System.Collections.Generic;
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using UnityEngine;
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public static class SRFTransformExtensions
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{
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public static IEnumerable<Transform> GetChildren(this Transform t)
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{
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var i = 0;
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while (i < t.childCount)
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{
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yield return t.GetChild(i);
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++i;
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}
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}
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/// <summary>
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/// Reset all local values on a transform to identity
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/// </summary>
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/// <param name="t"></param>
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public static void ResetLocal(this Transform t)
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{
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t.localPosition = Vector3.zero;
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t.localRotation = Quaternion.identity;
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t.localScale = Vector3.one;
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}
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/// <summary>
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/// Create an empty child object of this transform
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/// </summary>
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/// <param name="t"></param>
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/// <param name="name"></param>
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/// <returns></returns>
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public static GameObject CreateChild(this Transform t, string name)
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{
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var go = new GameObject(name);
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go.transform.parent = t;
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go.transform.ResetLocal();
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go.gameObject.layer = t.gameObject.layer;
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return go;
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}
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/// <summary>
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/// Set the parent of this transform, but maintain the localScale, localPosition, localRotation values.
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/// </summary>
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/// <param name="t"></param>
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/// <param name="parent"></param>
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public static void SetParentMaintainLocals(this Transform t, Transform parent)
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{
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t.SetParent(parent, false);
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}
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/// <summary>
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/// Copy local position,rotation,scale from other transform
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/// </summary>
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/// <param name="t"></param>
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/// <param name="from"></param>
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public static void SetLocals(this Transform t, Transform from)
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{
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t.localPosition = from.localPosition;
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t.localRotation = from.localRotation;
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t.localScale = from.localScale;
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}
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/// <summary>
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/// Set position/rotation to from. Scale is unchanged
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/// </summary>
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/// <param name="t"></param>
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/// <param name="from"></param>
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public static void Match(this Transform t, Transform from)
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{
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t.position = from.position;
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t.rotation = from.rotation;
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}
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/// <summary>
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/// Destroy all child game objects
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/// </summary>
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/// <param name="t"></param>
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public static void DestroyChildren(this Transform t)
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{
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foreach (var child in t)
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{
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Object.Destroy(((Transform) child).gameObject);
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}
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}
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}
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}
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