Created custom plugin example in UnityTests.Unity5 > Assets > _Tests > CustomPlugin Example

UnityTests.Unity5/Assets/_Tests/CustomPlugin Example/CustomPluginExampleBrain.cs

@@ -1,23 +1,27 @@
 using DG.Tweening;
 using DG.Tweening.Plugins;
 using UnityEngine;
+using UnityEngine.UI;
 
-public class CustomPluginExampleBrain : BrainBase
+public class CustomPluginExampleBrain : MonoBehaviour
 {
-	public Transform target;
+    public Text txtCustomRange ; // Used to show the custom range tween results
+
+	CustomRange customRange = new CustomRange(0, 10);
+
+    // Store the plugin so you won't have to instantiate it every time you use it
+    // (you can pass the same plugin instance to each tween, since they just do calculations and don't store data)
+    static CustomRangePlugin customRangePlugin = new CustomRangePlugin();
 
 	void Start()
 	{
-		// DOTween.To(()=>target.position, x=> target.position = x, new Vector3(4, 4, 0), 1.5f)
-		// DOTween.To(new PlugCustomPlugin(()=>target.position, x=> target.position = x, 4), 1.5f)
-		// 	.SetDelay(2).SetRelative().SetLoops(5, LoopType.Yoyo).SetAutoKill(false)
-		// 	.OnStart(()=> Debug.Log("Start"))
-		// 	.OnStepComplete(()=> Debug.Log("Step Complete"))
-		// 	.OnComplete(()=> Debug.Log("Complete"));
+        // The difference with the regular generic way is simply
+        // that you have to pass the plugin to use as an additional first parameter
+	    DOTween.To(customRangePlugin, () => customRange, x => customRange = x, new CustomRange(20, 100), 4);
 	}
 
-	void OnGUI()
-	{
-		if (GUILayout.Button("Flip")) DOTween.FlipAll();
-	}
+    void Update()
+    {
+        txtCustomRange.text = customRange.min + "\n" + customRange.max;
+    }
 }

UnityTests.Unity5/Assets/_Tests/CustomPlugin Example/CustomRange.cs

@@ -0,0 +1,20 @@
+public struct CustomRange
+{
+    public float min, max;
+
+    public CustomRange(float min, float max)
+    {
+        this.min = min;
+        this.max = max;
+    }
+
+    public static CustomRange operator +(CustomRange c1, CustomRange c2)
+    {
+        return new CustomRange(c1.min + c2.min, c1.max + c2.max);
+    }
+
+    public static CustomRange operator -(CustomRange c1, CustomRange c2)
+    {
+        return new CustomRange(c1.min - c2.min, c1.max - c2.max);
+    }
+}

UnityTests.Unity5/Assets/_Tests/CustomPlugin Example/CustomRange.cs.meta

@@ -0,0 +1,12 @@
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+guid: 8c33f7a63008fad4eac4198a5417ad8c
+timeCreated: 1444381777
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
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+  executionOrder: 0
+  icon: {instanceID: 0}
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UnityTests.Unity5/Assets/_Tests/CustomPlugin Example/CustomRangePlugin.cs

@@ -0,0 +1,65 @@
+using DG.Tweening;
+using DG.Tweening.Core;
+using DG.Tweening.Core.Easing;
+using DG.Tweening.Core.Enums;
+using DG.Tweening.Plugins.Core;
+using DG.Tweening.Plugins.Options;
+using System;
+using UnityEngine;
+
+/// <summary>
+/// Custom DOTween plugin example.
+/// This one tweens a CustomRange value, but you can also create plugins just to do weird stuff, other than to tween custom objects
+/// </summary>
+public class CustomRangePlugin : ABSTweenPlugin<CustomRange, CustomRange, NoOptions>
+{
+    // Leave this empty
+	public override void Reset(TweenerCore<CustomRange, CustomRange, NoOptions> t) {}
+
+    // Sets the values in case of a From tween
+    public override void SetFrom(TweenerCore<CustomRange, CustomRange, NoOptions> t, bool isRelative)
+    {
+        CustomRange prevEndVal = t.endValue;
+        t.endValue = t.getter();
+        t.startValue = isRelative ? t.endValue + prevEndVal : prevEndVal;
+        t.setter(t.startValue);
+    }
+
+    // Used by special plugins, just let it return the given value
+    public override CustomRange ConvertToStartValue(TweenerCore<CustomRange, CustomRange, NoOptions> t, CustomRange value)
+    {
+        return value;
+    }
+
+    // Determines the correct endValue in case this is a relative tween
+    public override void SetRelativeEndValue(TweenerCore<CustomRange, CustomRange, NoOptions> t)
+    {
+        t.endValue = t.startValue + t.changeValue;
+    }
+
+    // Sets the overall change value of the tween
+    public override void SetChangeValue(TweenerCore<CustomRange, CustomRange, NoOptions> t)
+    {
+        t.changeValue = t.endValue - t.startValue;
+    }
+
+    // Converts a regular duration to a speed-based duration
+    public override float GetSpeedBasedDuration(NoOptions options, float unitsXSecond, CustomRange changeValue)
+    {
+        // Not implemented in this case (but you could implement your own logic to convert duration to units x second)
+        return unitsXSecond;
+    }
+
+    // Calculates the value based on the given time and ease
+    public override void EvaluateAndApply(NoOptions options, Tween t, bool isRelative, DOGetter<CustomRange> getter, DOSetter<CustomRange> setter, float elapsed, CustomRange startValue, CustomRange changeValue, float duration, bool usingInversePosition, UpdateNotice updateNotice)
+    {
+        CustomRange res = getter();
+        float easeVal = EaseManager.Evaluate(t, elapsed, duration, t.easeOvershootOrAmplitude, t.easePeriod);
+
+        // Here I use startValue directly because CustomRange a struct, so it won't reference the original.
+        // If CustomRange was a class, I should create a new one to pass to the setter
+        startValue.min += changeValue.min * easeVal;
+        startValue.max += changeValue.max * easeVal;
+        setter(startValue);
+    }
+}

UnityTests.Unity5/Assets/_Tests/CustomPlugin Example/CustomRangePlugin.cs.meta

@@ -0,0 +1,12 @@
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+  defaultReferences: []
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UnityTests.Unity5/Assets/_Tests/CustomPlugin Example/old (scrapped).meta

@@ -0,0 +1,9 @@
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