feature: DOTween setup

Assets/Plugins/Demigiant/DOTween/Modules/DOTweenModuleSprite.cs

@@ -0,0 +1,93 @@
+// Author: Daniele Giardini - http://www.demigiant.com
+// Created: 2018/07/13
+
+#if true // MODULE_MARKER
+using System;
+using UnityEngine;
+using DG.Tweening.Core;
+using DG.Tweening.Plugins.Options;
+
+#pragma warning disable 1591
+namespace DG.Tweening
+{
+	public static class DOTweenModuleSprite
+    {
+        #region Shortcuts
+
+        #region SpriteRenderer
+
+        /// <summary>Tweens a SpriteRenderer's color to the given value.
+        /// Also stores the spriteRenderer as the tween's target so it can be used for filtered operations</summary>
+        /// <param name="endValue">The end value to reach</param><param name="duration">The duration of the tween</param>
+        public static TweenerCore<Color, Color, ColorOptions> DOColor(this SpriteRenderer target, Color endValue, float duration)
+        {
+            TweenerCore<Color, Color, ColorOptions> t = DOTween.To(() => target.color, x => target.color = x, endValue, duration);
+            t.SetTarget(target);
+            return t;
+        }
+
+        /// <summary>Tweens a Material's alpha color to the given value.
+        /// Also stores the spriteRenderer as the tween's target so it can be used for filtered operations</summary>
+        /// <param name="endValue">The end value to reach</param><param name="duration">The duration of the tween</param>
+        public static TweenerCore<Color, Color, ColorOptions> DOFade(this SpriteRenderer target, float endValue, float duration)
+        {
+            TweenerCore<Color, Color, ColorOptions> t = DOTween.ToAlpha(() => target.color, x => target.color = x, endValue, duration);
+            t.SetTarget(target);
+            return t;
+        }
+
+        /// <summary>Tweens a SpriteRenderer's color using the given gradient
+        /// (NOTE 1: only uses the colors of the gradient, not the alphas - NOTE 2: creates a Sequence, not a Tweener).
+        /// Also stores the image as the tween's target so it can be used for filtered operations</summary>
+        /// <param name="gradient">The gradient to use</param><param name="duration">The duration of the tween</param>
+        public static Sequence DOGradientColor(this SpriteRenderer target, Gradient gradient, float duration)
+        {
+            Sequence s = DOTween.Sequence();
+            GradientColorKey[] colors = gradient.colorKeys;
+            int len = colors.Length;
+            for (int i = 0; i < len; ++i) {
+                GradientColorKey c = colors[i];
+                if (i == 0 && c.time <= 0) {
+                    target.color = c.color;
+                    continue;
+                }
+                float colorDuration = i == len - 1
+                    ? duration - s.Duration(false) // Verifies that total duration is correct
+                    : duration * (i == 0 ? c.time : c.time - colors[i - 1].time);
+                s.Append(target.DOColor(c.color, colorDuration).SetEase(Ease.Linear));
+            }
+            s.SetTarget(target);
+            return s;
+        }
+
+        #endregion
+
+        #region Blendables
+
+        #region SpriteRenderer
+
+        /// <summary>Tweens a SpriteRenderer's color to the given value,
+        /// in a way that allows other DOBlendableColor tweens to work together on the same target,
+        /// instead than fight each other as multiple DOColor would do.
+        /// Also stores the SpriteRenderer as the tween's target so it can be used for filtered operations</summary>
+        /// <param name="endValue">The value to tween to</param><param name="duration">The duration of the tween</param>
+        public static Tweener DOBlendableColor(this SpriteRenderer target, Color endValue, float duration)
+        {
+            endValue = endValue - target.color;
+            Color to = new Color(0, 0, 0, 0);
+            return DOTween.To(() => to, x => {
+                    Color diff = x - to;
+                    to = x;
+                    target.color += diff;
+                }, endValue, duration)
+                .Blendable().SetTarget(target);
+        }
+
+        #endregion
+
+        #endregion
+
+        #endregion
+	}
+}
+#endif