Follow-up to #115: some fixes and whitespace changes.

- Hide the spinner approach circle instead of the spinner circle.
- Show the slider ball.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>

src/itdelatrisu/opsu/objects/Circle.java

@@ -97,13 +97,13 @@ public class Circle implements GameObject {
 		float fadeinScale = (timeDiff - game.getApproachTime() + FADE_IN_TIME) / (float) FADE_IN_TIME;
 		float approachScale = 1 + scale * 3;
 		float alpha = Utils.clamp(1 - fadeinScale, 0, 1);
-		
+
 		if (GameMod.HIDDEN.isActive()) {
 			float fadeOutScale = -(float)(timeDiff-game.getApproachTime())/game.getDecayTime();
 			float fadeOutAlpha = Utils.clamp(1-fadeOutScale, 0, 1);
 			alpha = Math.min(alpha, fadeOutAlpha);
 		}
-		
+
 		float oldAlpha = Utils.COLOR_WHITE_FADE.a;
 		Utils.COLOR_WHITE_FADE.a = color.a = alpha;