Merge pull request #350 from FungusGames/fade-ui-comand

Added command to fade UI objects #349

Assets/Fungus/UI/Scripts/Commands/FadeUI.cs

@@ -0,0 +1,143 @@
+using UnityEngine;
+using UnityEngine.UI;
+using System.Collections;
+using System.Collections.Generic;
+using Fungus;
+
+namespace Fungus
+{
+
+	[CommandInfo("UI",
+	             "Fade UI",
+	             "Fades a UI object")]
+	public class FadeUI : TweenUI 
+	{
+		public enum FadeMode
+		{
+			Alpha,
+			Color
+		}
+
+		public FadeMode fadeMode = FadeMode.Alpha;
+
+		public ColorData targetColor = new ColorData(Color.white);
+
+		public FloatData targetAlpha = new FloatData(1f);
+
+		protected override void ApplyTween(GameObject go)
+		{
+			foreach (Image image in go.GetComponentsInChildren<Image>())
+			{
+				if (duration == 0f)
+				{
+					switch (fadeMode)
+					{
+					case FadeMode.Alpha:
+						Color tempColor = image.color;
+						tempColor.a = targetAlpha;
+						image.color = tempColor;
+						break;
+					case FadeMode.Color:
+						image.color = targetColor;
+						break;
+					}
+				}
+				else
+				{
+					switch (fadeMode)
+					{
+					case FadeMode.Alpha:
+						LeanTween.alpha(image.rectTransform, targetAlpha, duration).setEase(tweenType).setEase(tweenType);
+						break;
+					case FadeMode.Color:
+						LeanTween.color(image.rectTransform, targetColor, duration).setEase(tweenType).setEase(tweenType);
+						break;
+					}
+				}
+			}
+
+			foreach (Text text in go.GetComponentsInChildren<Text>())
+			{
+				if (duration == 0f)
+				{
+					switch (fadeMode)
+					{
+					case FadeMode.Alpha:
+						Color tempColor = text.color;
+						tempColor.a = targetAlpha;
+						text.color = tempColor;
+						break;
+					case FadeMode.Color:
+						text.color = targetColor;
+						break;
+					}
+				}
+				else
+				{
+					switch (fadeMode)
+					{
+					case FadeMode.Alpha:
+						LeanTween.textAlpha(text.rectTransform, targetAlpha, duration).setEase(tweenType);
+						break;
+					case FadeMode.Color:
+						LeanTween.textColor(text.rectTransform, targetColor, duration).setEase(tweenType);
+						break;
+					}
+				}
+			}
+
+			foreach (TextMesh textMesh in go.GetComponentsInChildren<TextMesh>())
+			{
+				if (duration == 0f)
+				{
+					switch (fadeMode)
+					{
+					case FadeMode.Alpha:
+						Color tempColor = textMesh.color;
+						tempColor.a = targetAlpha;
+						textMesh.color = tempColor;
+						break;
+					case FadeMode.Color:
+						textMesh.color = targetColor;
+						break;
+					}
+				}
+				else
+				{
+					switch (fadeMode)
+					{
+					case FadeMode.Alpha:
+						LeanTween.alpha(go, targetAlpha, duration).setEase(tweenType);
+						break;
+					case FadeMode.Color:
+						LeanTween.color(go, targetColor, duration).setEase(tweenType);
+						break;
+					}
+				}
+			}
+		}
+
+		protected override string GetSummaryValue()
+		{
+			return targetAlpha.Value.ToString();
+		}
+
+		public override bool IsPropertyVisible(string propertyName)
+		{
+			if (fadeMode == FadeMode.Alpha &&
+			    propertyName == "targetColor")
+			{
+				return false;
+			}
+
+			if (fadeMode == FadeMode.Color &&
+			    propertyName == "targetAlpha")
+			{
+				return false;
+			}
+
+			return true;
+		}
+	}
+
+}

Assets/Fungus/UI/Scripts/Commands/FadeUI.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 5c6dd8d3a780f4d1ea772e3daf10c372
+timeCreated: 1444819884
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fungus/UI/Scripts/Commands/TweenUI.cs

@@ -0,0 +1,131 @@
+using UnityEngine;
+using UnityEngine.UI;
+using System.Collections;
+using System.Collections.Generic;
+using Fungus;
+
+namespace Fungus
+{
+
+	public abstract class TweenUI : Command 
+	{
+		[Tooltip("List of objects to be affected by the tween")]
+		public List<GameObject> targetObjects = new List<GameObject>();
+		
+		[Tooltip("Type of tween easing to apply")]
+		public LeanTweenType tweenType = LeanTweenType.easeOutQuad;
+		
+		[Tooltip("Wait until this command completes before continuing execution")]
+		public BooleanData waitUntilFinished = new BooleanData(true);
+		
+		[Tooltip("Time for the tween to complete")]
+		public FloatData duration = new FloatData(1f);
+		
+		public override void OnEnter()
+		{
+			if (targetObjects.Count == 0)
+			{
+				Continue();
+				return;
+			}
+			
+			ApplyTween();
+
+			if (!waitUntilFinished)
+			{
+				Continue();
+			}
+		}
+		
+		protected virtual void ApplyTween()
+		{
+			foreach (GameObject targetObject in targetObjects)
+			{
+				if (targetObject == null)
+				{
+					continue;
+				}
+				
+				ApplyTween(targetObject);
+			}
+			
+			if (waitUntilFinished)
+			{
+				LeanTween.value(gameObject, 0f, 1f, duration).setOnComplete(OnComplete);
+			}
+		}
+		
+		protected abstract void ApplyTween(GameObject go);
+
+		protected virtual void OnComplete()
+		{
+			Continue();
+		}
+
+		public override void OnCommandAdded(Block parentBlock)
+		{
+			// Add an empty slot by default. Saves an unnecessary user click.
+			if (targetObjects.Count == 0)
+			{
+				targetObjects.Add(null);
+			}
+		}
+
+		protected virtual string GetSummaryValue()
+		{
+			return "";
+		}
+		
+		public override string GetSummary()
+		{
+			if (targetObjects.Count == 0)
+			{
+				return "Error: No targetObjects selected";
+			}
+			else if (targetObjects.Count == 1)
+			{
+				if (targetObjects[0] == null)
+				{
+					return "Error: No targetObjects selected";
+				}
+				return targetObjects[0].name + " = " + GetSummaryValue() + " alpha";
+			}
+			
+			string objectList = "";
+			foreach (GameObject gameObject in targetObjects)
+			{
+				if (gameObject == null)
+				{
+					continue;
+				}
+				
+				if (objectList == "")
+				{
+					objectList += gameObject.name;
+				}
+				else
+				{
+					objectList += ", " + gameObject.name;
+				}
+			}
+			
+			return objectList + " = " + GetSummaryValue() + " alpha";
+		}
+		
+		public override Color GetButtonColor()
+		{
+			return new Color32(180, 250, 250, 255);
+		}
+
+		public override bool IsReorderableArray(string propertyName)
+		{
+			if (propertyName == "targetObjects")
+			{
+				return true;
+			}
+
+			return false;
+		}
+	}
+
+}

Assets/Fungus/UI/Scripts/Commands/TweenUI.cs.meta

@@ -0,0 +1,12 @@
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+guid: c43a65504f4024abaa7581ddfa448f2d
+timeCreated: 1444819884
+licenseType: Free
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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
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