new action ActionBezierAbs.cs

README.md

@@ -41,7 +41,8 @@ Interval actions
 - [x]  FadeBy *if you want to manipulate alpha, your material must support transparency*
 - [ ]  JumpTo 
 - [ ]  JumpBy
-- [ ]  Bezier
+- [x]  BezierAbs
+- [ ]  BezierRel
 - [ ]  Blink
 
 Instant actions

src/ActionsInterval/ActionBezierAbs.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+class ActionBezierAbs : ActionInterval
+{
+    public Vector3 startPoint;
+    public Vector3 endPoint;
+    public Vector3 startControlPoint;
+    public Vector3 endControlPoint;
+
+    public ActionBezierAbs(Vector3 tgtStart, Vector3 tgtSCP, Vector3 tgtECP, Vector3 tgtEnd, float tgtDuration)
+        : base(tgtDuration)
+    {
+        startPoint = tgtStart;
+        endPoint = tgtEnd;
+        startControlPoint = tgtSCP;
+        endControlPoint = tgtECP;
+    }
+
+    public override Action clone()
+    {
+        return new ActionBezierAbs(startPoint, startControlPoint, endControlPoint, endPoint, duration);
+    }
+
+    public override Action reverse()
+    {
+        return new ActionBezierAbs(endPoint, endControlPoint, startControlPoint, startPoint, duration);
+    }
+
+    public override void start()
+    {
+        base.start();
+    }
+
+    public override void stepInterval(float dt)
+    {
+        float t = timer / duration;
+        Vector3 newPosition = (((-startPoint
+            + 3 * (startControlPoint - endControlPoint) + endPoint) * t
+            + (3 * (startPoint + endControlPoint) - 6 * startControlPoint)) * t +
+            3 * (startControlPoint - startPoint)) * t + startPoint;
+        target.gameObject.transform.position = newPosition;
+    }
+}