fix error when interpolation is null

bladecoder · bladecoder · commit 281bb6acbe09 · 2015-11-26T02:51:21.000+01:00
diff --git a/blade-engine/src/com/bladecoder/engine/anim/SpritePosTween.java b/blade-engine/src/com/bladecoder/engine/anim/SpritePosTween.java
@@ -38,7 +38,8 @@ public SpritePosTween() {
 	}
 
 	public void start(SpriteActor target, Tween.Type repeatType, int count, float tx, float ty, float duration, InterpolationMode interpolation, ActionCallback cb) {
-		start(target, repeatType, count, tx, ty, duration, interpolation.getInterpolation(), interpolation.getInterpolation(), cb);
+		Interpolation i = interpolation == null? null: interpolation.getInterpolation();
+		start(target, repeatType, count, tx, ty, duration, i, i, cb);
 	}
 	
 	public void start(SpriteActor target, Tween.Type repeatType, int count, float tx, float ty, float duration, 

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,8 @@ public SpritePosTween() {`
`38`	`38`	`}`
`39`	`39`
`40`	`40`	`public void start(SpriteActor target, Tween.Type repeatType, int count, float tx, float ty, float duration, InterpolationMode interpolation, ActionCallback cb) {`
`41`		`- start(target, repeatType, count, tx, ty, duration, interpolation.getInterpolation(), interpolation.getInterpolation(), cb);`
	`41`	`+ Interpolation i = interpolation == null? null: interpolation.getInterpolation();`
	`42`	`+ start(target, repeatType, count, tx, ty, duration, i, i, cb);`
`42`	`43`	`}`
`43`	`44`
`44`	`45`	`public void start(SpriteActor target, Tween.Type repeatType, int count, float tx, float ty, float duration,`