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Assets/CoolapeFrame/Scripts/toolkit/CLGridPoints.cs

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+/*
+******************************************************************************** 
+  *Copyright(C),coolae.net 
+  *Author:  chenbin
+  *Version:  2.0 
+  *Date:  2017-01-09
+  *Description:  网格生成
+  *Others:  
+  *History:
+*********************************************************************************
+*/ 
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Coolape
+{
+	public class CLGridPoints : MonoBehaviour
+	{
+		public int width = 3;
+		public int length = 3;
+		public float widthInterval = 0.5f;
+		public float lengthInterval = 0.5f;
+		public bool needCreateObj = false;
+		public Transform root;
+		public Transform[] points;
+		public Vector3[] vectors;
+		public OffsetType offsetType = OffsetType.none;
+		public float offsetValue = 0;
+
+		public enum OffsetType
+		{
+			none,
+			odd,
+			even,
+		}
+
+		[ContextMenu ("Execute")]
+		public void refreshPoint ()
+		{
+			if (root == null) {
+				root = transform;
+			}
+			float offsetX = 0;
+			float offsetZ = 0;
+			offsetX = length / 2 * lengthInterval - ((length % 2 == 0) ? lengthInterval / 2.0f : 0);
+			offsetZ = width / 2 * widthInterval - ((width % 2 == 0) ? widthInterval / 2.0f : 0);
+			int count = width * length;
+			if (needCreateObj) {
+				List<Transform> list = new List<Transform> ();
+				Transform child = null;
+				for (int i = 0; i < root.childCount; i++) {
+					child = root.GetChild (i);
+					if (i < count) {
+						child.name = i.ToString ();
+						list.Add (child);
+					} else {
+						DestroyImmediate (child.gameObject);
+					}
+				}
+				for (int i = root.childCount; i < count; i++) {
+					GameObject go = new GameObject (i.ToString ());
+					go.transform.parent = root;
+					list.Add (go.transform);
+				}
+				points = list.ToArray ();
+				vectors = null;
+			} else {
+				vectors = new Vector3[count];
+				points = null;
+			}
+
+			int index = 0;
+			Vector3 v3 = Vector3.zero;
+			for (int i = 0; i < width; i++) {
+				for (int j = 0; j < length; j++) {
+					v3.z = -i * widthInterval + offsetZ;
+					if (offsetType != OffsetType.none) {
+						if (j % 2 == 0 && offsetType == OffsetType.even) {
+							v3.z += offsetValue;
+						} else if (j % 2 != 0 && offsetType == OffsetType.odd) {
+							v3.z += offsetValue;
+						}
+					}
+					v3.x = j * lengthInterval - offsetX;
+					index = i * length + j;
+					if (needCreateObj) {
+						points [index].localPosition = v3;
+					} else {
+                        v3 += root.localPosition; // root.position;
+						vectors [index] = v3;
+					}
+				}
+			}
+		}
+
+		//==============================
+		#if UNITY_EDITOR
+		void OnDrawGizmos ()
+		{
+			Gizmos.color = Color.red;
+            if (points != null) {
+                for (int i = 0; i < points.Length; i++) {
+                    if (points[i] == null)
+                        continue;
+                    Gizmos.DrawWireCube(points[i].position, Vector3.one * 0.3f);
+                }
+            } else if(vectors != null)
+            {
+                for (int i = 0; i < vectors.Length; i++)
+                {
+                    if (vectors[i] == null)
+                        continue;
+                    Gizmos.DrawWireCube(vectors[i] + transform.position, Vector3.one * 0.3f);
+                }
+            }
+            Gizmos.color = Color.white;
+		}
+		#endif
+	}
+}