javadoc for non-obvious things

src/yugecin/opsudance/core/state/specialstates/BubbleNotificationState.java

@@ -189,6 +189,9 @@ public class BubbleNotificationState implements EventListener<BubbleNotification
 			this.height = (int) (Fonts.SMALLBOLD.getLineHeight() * (lines.size() + 0.5f));
 		}
 
+		/**
+		 * @return true if this notification expired
+		 */
 		private boolean render(Graphics g, int mouseX, int mouseY, int delta) {
 			timeShown += delta;
 			processAnimations(isMouseHovered(mouseX, mouseY), delta);

src/yugecin/opsudance/core/state/specialstates/FpsRenderState.java

@@ -58,6 +58,9 @@ public class FpsRenderState implements EventListener<ResolutionChangedEvent> {
 		return DARKORANGE;
 	}
 
+	/**
+	 * @return x position where the next block can be drawn (right aligned)
+	 */
 	private int drawText(Graphics g, Color color, String text, int x, int y) {
 		int width = Fonts.SMALL.getWidth(text) + 10;
 		g.setColor(color);