From e612a7e78883c91b008d97585f1e4f73d773d490 Mon Sep 17 00:00:00 2001
From: Jérémy Zurcher <jeremy@asynk.ch>
Date: Thu, 11 Oct 2018 17:47:25 +0200
Subject: BounceAnimation : support optional rotation movement

---
 .../gdx/boardgame/animations/BounceAnimation.java  | 30 +++++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

(limited to 'core')

diff --git a/core/src/ch/asynk/gdx/boardgame/animations/BounceAnimation.java b/core/src/ch/asynk/gdx/boardgame/animations/BounceAnimation.java
index 22aa470..271728c 100644
--- a/core/src/ch/asynk/gdx/boardgame/animations/BounceAnimation.java
+++ b/core/src/ch/asynk/gdx/boardgame/animations/BounceAnimation.java
@@ -18,29 +18,43 @@ public class BounceAnimation extends TimedAnimation
         }
     };
 
-    public static BounceAnimation get(Piece piece, float duration, float bounceFactor)
+    public static BounceAnimation get(Piece piece, float duration, float bounceFactor, int rotations)
     {
         BounceAnimation a = bounceAnimationPool.obtain();
 
         a.piece = piece;
         a.bounceFactor = bounceFactor;
         a.setDuration(duration);
+        a.computeRotationDegrees(rotations);
 
         return a;
     }
 
     private Piece piece;
+    private float startScale;
+    private float startRotation;
     private float bounceFactor;
+    private float rotationDegrees;
 
     private BounceAnimation()
     {
     }
 
-    public BounceAnimation(Piece piece, float duration, float bounceFactor)
+    public BounceAnimation(Piece piece, float duration, float bounceFactor, int rotations)
     {
         this.piece = piece;
         this.bounceFactor = bounceFactor;
         this.setDuration(duration);
+        this.computeRotationDegrees(rotations);
+    }
+
+    private void computeRotationDegrees(int rotations)
+    {
+        if (rotations == 0) {
+            rotationDegrees = 0f;
+        } else {
+            rotationDegrees = (360 * rotations);
+        }
     }
 
     @Override public void dispose()
@@ -50,16 +64,24 @@ public class BounceAnimation extends TimedAnimation
 
     @Override protected void begin()
     {
+        this.startScale = piece.getScale();
+        this.startRotation = piece.getRotation();
     }
 
     @Override protected void end()
     {
-        piece.setScale(1f);
+        piece.setScale(this.startScale);
+        if (rotationDegrees != 0f) {
+            piece.setRotation(this.startRotation);
+        }
     }
 
     @Override protected void update(float percent)
     {
-        piece.setScale(1 + bounceFactor * (float) Math.sin(percent * Math.PI));
+        piece.setScale(this.startScale + this.bounceFactor * (float) Math.sin(percent * Math.PI));
+        if (rotationDegrees != 0f) {
+            piece.setRotation(this.startRotation + (percent * this.rotationDegrees));
+        }
     }
 
     @Override public void draw(Batch batch)
-- 
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