#2

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/JavaProjectTemplate.java

@@ -5,6 +5,7 @@ import sig.engine.Color;
 import sig.engine.Font;
 import sig.engine.Key;
 import sig.engine.Mouse;
+import sig.engine.MouseScrollValue;
 import sig.engine.Panel;
 import sig.engine.Point;
 import sig.engine.Sprite;
@@ -58,6 +59,13 @@ public class JavaProjectTemplate {
 		if (Mouse.isPressed(2)) { //If middle click is pressed, reset the player position.
 			pl.x=pl.y=200;
 		}
+
+		if (Mouse.mouseWheel==MouseScrollValue.UP) {
+			System.out.println("Scroll up!");
+		}
+		if (Mouse.mouseWheel==MouseScrollValue.DOWN) {
+			System.out.println("Scroll down!");
+		}
 	}
 
 	public void drawGame() {

src/sig/engine/Mouse.java

@@ -9,6 +9,7 @@ public class Mouse {
     public static HashMap<Integer,Boolean> pressMap=new HashMap<>();
     public static HashMap<Integer,Boolean> releaseMap=new HashMap<>();
 	public static Point<Integer> mousePosition = new Point<Integer>(0,0);
+    public static MouseScrollValue mouseWheel = MouseScrollValue.NONE;
     public static Point<Integer> GetPos(){
         return new Point<Integer>(x,y);
     }

src/sig/engine/MouseScrollValue.java

@@ -1,8 +1,9 @@
 package sig.engine;
 
 public enum MouseScrollValue {
-    UP(), //-1 is up
+    UP, //-1 is up
-    DOWN() /*1 is down*/;
+    DOWN, /*1 is down*/
+    NONE /*Means no scrolling occurring.*/;
 
     public static MouseScrollValue getValue(int value) {
         return value==-1?UP:DOWN;

src/sig/engine/Panel.java

@@ -49,7 +49,6 @@ public class Panel extends JPanel implements Runnable,KeyListener {
 	public double nanaX = 0;
 	public double nanaY = 0;
 	public int button = 0;
-	private MouseScrollValue scrollWheel=null;
 	public static final int UPDATE_LOOP_FRAMERATE = 244;
 	public static final long UPDATE_LOOP_NANOTIME = (long)((1d/UPDATE_LOOP_FRAMERATE)*1000000000l);
 	public static final double UPDATE_MULT = 1d / UPDATE_LOOP_FRAMERATE;
@@ -101,6 +100,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
 				Mouse.releaseMap.clear();
 				Key.KEYS_PRESS.clear();
 				Key.KEYS_RELEASE.clear();
+				Mouse.mouseWheel=MouseScrollValue.NONE;
 				dt -= UPDATE_LOOP_NANOTIME;
 				TIME += UPDATE_LOOP_NANOTIME;
 			}
@@ -181,7 +181,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
 			//-1 is UP, 1 is DOWN
 			@Override
 			public void mouseWheelMoved(MouseWheelEvent e) {
-				scrollWheel=MouseScrollValue.getValue(e.getWheelRotation());
+				Mouse.mouseWheel=MouseScrollValue.getValue(e.getWheelRotation());
 			}
 		});
     }