04.07.2022

Heli_with_panels/Assets/rectSelect.cs

@@ -0,0 +1,97 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+public class rectSelect : MonoBehaviour
+{
+    bool canSelect = false;
+    bool isDrag = false;
+    Manager man = null;
+    public Texture2D mouseCursor;
+    Vector2 p1, p2;
+
+    float rectAlpha = 1f;
+    bool rectAlphaDir = false;
+    float rectW = 1000f;
+    float rectH = 1000f;
+    public Texture2D boxTexture;
+
+    void Start()
+    {
+        man = GameObject.Find("Manager").GetComponent<Manager>();
+    }
+
+    void Update()
+    {
+        if (!canSelect) return;
+        if (!isDrag && Input.GetMouseButtonDown(0))
+        {
+            isDrag = true;
+            p1 = Input.mousePosition;
+        }
+        if (isDrag && Input.GetMouseButtonUp(0))
+        {
+            isDrag = false; canSelect = false;
+            Cursor.SetCursor(null, Vector2.zero, CursorMode.ForceSoftware);
+            
+            //p1 = new Vector3(p1.x, Screen.height - p1.y, p1.z);
+            //p2 = new Vector3(Input.mousePosition.x, Screen.height - Input.mousePosition.y, Input.mousePosition.z);
+            //if (man == null) Start(); 
+            //Vector3 g1 = man.cam.ScreenToWorldPoint(p1);
+            //Vector3 g2 = man.cam.ScreenToWorldPoint(p2);
+            //GameObject.Find("Panel1Content").GetComponent<ScrollViewAdapterPanel1>().InsActShowRect(g1.x, g1.y, g1.z, g2.x, g2.y, g2.z);
+
+            Vector2 g1 = GUIUtility.ScreenToGUIPoint(p1);
+            Vector2 g2 = GUIUtility.ScreenToGUIPoint(p2);
+            //float scrCoef = ((float)Screen.width / (float)Screen.height) / (16f / 9f);
+            int x1 = (int)( rectW * ( (p1.x - Screen.width/2f) / Screen.width) );
+            int y1 = (int)( rectH * ( (Screen.height/2f - p1.y) / (Screen.height)) ); // *scrCoef ïðèâîäèì âûñîòó ýêðàíà ê ñîîòíîøåíèþ 16:9
+            int x2 = (int)( rectW * ( (p2.x - Screen.width / 2f) / Screen.width) );
+            int y2 = (int)( rectH * ( (Screen.height / 2f - p2.y) / (Screen.height)) ); //* scrCoef
+            GameObject.Find("Panel1Content").GetComponent<ScrollViewAdapterPanel1>().InsActShowRect(x1, y1, x2, y2);
+        }
+    }
+
+    void DrawLine(float x1, float y1, float x2, float y2, float a = 1f)
+    {
+        Vector2 pointA = new Vector2(x1, Screen.height - y1);
+        Vector2 pointB = new Vector2(x2, Screen.height - y2);
+        Texture2D lineTex = new Texture2D(1, 1);
+        Matrix4x4 matrixBackup = GUI.matrix;
+        float width = 3.0f;
+        GUI.color = new Color(0, 1, 0, a);
+        float angle = Mathf.Atan2(pointB.y - pointA.y, pointB.x - pointA.x) * 180f / Mathf.PI;
+        GUIUtility.RotateAroundPivot(angle, pointA);
+        GUI.DrawTexture(new Rect(pointA.x - width / 2f, pointA.y-width/2f, Mathf.Max(Mathf.Abs(pointA.x - pointB.x), Mathf.Abs(pointA.y - pointB.y)), width), lineTex);//lineTex   Mathf.Abs(pointA.x-pointB.x), Mathf.Abs(pointA.y - pointB.y)
+        GUI.matrix = matrixBackup;
+    }
+    void OnGUI()
+    {
+        if (!canSelect || !isDrag) return;
+        if (man.mode != "scedit") return;
+        p2 = Input.mousePosition;
+        Vector2 g1 = GUIUtility.ScreenToGUIPoint(p1);
+        Vector2 g2 = GUIUtility.ScreenToGUIPoint(p2);
+
+        DrawLine(g1.x, g1.y, g2.x, g1.y, rectAlpha);
+        DrawLine(g2.x, g1.y, g2.x, g2.y, rectAlpha);
+        DrawLine(g2.x, g2.y, g1.x, g2.y, rectAlpha);
+        DrawLine(g1.x, g2.y, g1.x, g1.y, rectAlpha);
+
+        if (rectAlphaDir)
+            rectAlpha += 0.004f;
+        else
+            rectAlpha -= 0.004f;
+        if (rectAlphaDir && rectAlpha >= 1f) { rectAlpha = 1f; rectAlphaDir = false; }
+        if (!rectAlphaDir && rectAlpha <= 0.3f) { rectAlpha = 0.3f; rectAlphaDir = true; }
+    }
+    public void StartSelectRect()
+    {
+        if (man.mode != "scedit") return;
+        canSelect = true;
+        Vector2 hotSpot = new Vector2(24, 24);
+        Cursor.SetCursor(mouseCursor, hotSpot, CursorMode.Auto);
+    }
+
+}