first commit

Assets/Plugins/ParadoxNotion/NodeCanvas/Tasks/Actions/Camera/CameraFader.cs

@@ -0,0 +1,63 @@
+using UnityEngine;
+using System.Collections;
+
+namespace NodeCanvas.Tasks.Actions
+{
+
+    public class CameraFader : MonoBehaviour
+    {
+
+        private static CameraFader _current;
+        private float alpha = 0;
+        private Texture2D _blackTexture;
+
+        private Texture2D blackTexture {
+            get
+            {
+                if ( _blackTexture == null ) {
+                    _blackTexture = new Texture2D(1, 1);
+                    _blackTexture.SetPixel(1, 1, Color.black);
+                    _blackTexture.Apply();
+                }
+                return _blackTexture;
+            }
+        }
+
+        public static CameraFader current {
+            get
+            {
+                if ( _current == null )
+                    _current = FindAnyObjectByType<CameraFader>();
+                if ( _current == null )
+                    _current = new GameObject("_CameraFader").AddComponent<CameraFader>();
+                return _current;
+            }
+        }
+
+        public void FadeIn(float time) { StartCoroutine(CoroutineFadeIn(time)); }
+        public void FadeOut(float time) { StartCoroutine(CoroutineFadeOut(time)); }
+
+        IEnumerator CoroutineFadeIn(float time) {
+            alpha = 1;
+            if ( time <= 0 ) { alpha = 0; }
+            while ( alpha > 0 ) { yield return null; alpha -= ( 1 / time ) * Time.deltaTime; }
+        }
+
+        IEnumerator CoroutineFadeOut(float time) {
+            alpha = 0;
+            if ( time <= 0 ) { alpha = 1; }
+            while ( alpha < 1 ) { yield return null; alpha += ( 1 / time ) * Time.deltaTime; }
+        }
+
+        void OnGUI() {
+
+            if ( alpha <= 0 ) {
+                return;
+            }
+
+            GUI.color = new Color(1, 1, 1, alpha);
+            GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height), blackTexture);
+            GUI.color = Color.white;
+        }
+    }
+}