selection box now tied to world not screen

src/main/java/xyz/valnet/engine/graphics/Tile9.java

@@ -1,6 +1,7 @@
 package xyz.valnet.engine.graphics;
 
 import xyz.valnet.engine.math.Vector4f;
+import xyz.valnet.engine.math.Vector4i;
 
 public class Tile9 {
     
@@ -37,7 +38,11 @@ public class Tile9 {
     }
 
     public void draw(Vector4f box) {
-      draw((int)box.x, (int)box.y, (int)box.z, (int)box.w);
+      draw(box.asInt());
+    }
+
+    public void draw(Vector4i box) {
+      draw(box.x, box.y, box.z, box.w);
     }
 
     public void draw(int x, int y, int w, int h) {

src/main/java/xyz/valnet/engine/math/Vector4i.java

@@ -56,4 +56,23 @@ public class Vector4i implements Serializable {
 
     return vecs;
   }
+
+
+  public Vector4i toAABB() {
+    return new Vector4i(
+      x,
+      y,
+      x + z,
+      y + w
+    );
+  }
+
+  public Vector4i toXYWH() {
+    return new Vector4i(
+      x,
+      y,
+      z - x,
+      w - y
+    );
+  }
 }

src/main/java/xyz/valnet/hadean/gameobjects/Camera.java

@@ -79,7 +79,11 @@ public class Camera extends GameObject implements ITransient, IMouseCaptureArea
     return new Vector2f((x - screenWidth / 2 + focus.x * tileWidth) / tileWidth, (y - screenHeight / 2 + focus.y * tileWidth) / tileWidth);
   }
 
-  public Vector4f world2Screen(Vector4f input) {
+  public Vector2f screen2world(Vector2f pos) {
+    return screen2world(pos.x, pos.y);
+  }
+
+  public Vector4f world2screen(Vector4f input) {
     return new Vector4f(
       input.x * tileWidth + screenWidth / 2 - focus.x * tileWidth,
       input.y * tileWidth + screenHeight / 2 - focus.y * tileWidth,
@@ -120,7 +124,7 @@ public class Camera extends GameObject implements ITransient, IMouseCaptureArea
 
   public void drawProgressBar(float progress, Vector4f worldBox) {
     int h = 6;
-    Vector4i box = world2Screen(worldBox).toXYWH().asInt();
+    Vector4i box = world2screen(worldBox).toXYWH().asInt();
     Drawing.setLayer(Layers.GENERAL_UI);
     Assets.flat.pushColor(new Vector4f(0, 0, 0, 1));
     Assets.uiFrame.draw(box.x - h, box.y + box.w / 2 - h / 2, box.z + h * 2, h);

src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java

@@ -10,6 +10,7 @@ import xyz.valnet.engine.graphics.Drawing;
 import xyz.valnet.engine.math.Vector2f;
 import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.engine.math.Vector4f;
+import xyz.valnet.engine.math.Vector4i;
 import xyz.valnet.engine.scenegraph.GameObject;
 import xyz.valnet.engine.scenegraph.IMouseCaptureArea;
 import xyz.valnet.engine.scenegraph.ITransient;
@@ -91,7 +92,13 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
     }
 
     if(initialCoords != null) {
-      Assets.selectionFrame.draw((int) initialCoords.x, (int) initialCoords.y, (int) (App.mouseX - initialCoords.x), (int) (App.mouseY - initialCoords.y));
+      Vector2i screenPos = camera.world2screen(initialCoords);
+      Assets.selectionFrame.draw(new Vector4i(
+        screenPos.x,
+        screenPos.y,
+        App.mouseX,
+        App.mouseY
+      ).toXYWH());
     }
   }
 
@@ -111,8 +118,8 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
     List<ISelectable> newSelection = new ArrayList<ISelectable>();
 
     Vector4f normalizedSelectionBoxScreen = sortVector(a);
-    Vector2f selectionBoxWorldMin = camera.screen2world(normalizedSelectionBoxScreen.x, normalizedSelectionBoxScreen.y);
-    Vector2f selectionBoxWorldMax = camera.screen2world(normalizedSelectionBoxScreen.z, normalizedSelectionBoxScreen.w);
+    Vector2f selectionBoxWorldMin = new Vector2f(normalizedSelectionBoxScreen.x, normalizedSelectionBoxScreen.y);
+    Vector2f selectionBoxWorldMax = new Vector2f(normalizedSelectionBoxScreen.z, normalizedSelectionBoxScreen.w);
 
     List<ISelectable> selectables = getAll(ISelectable.class);
 
@@ -197,7 +204,7 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
     
     if(button == 0) {
       if(initialCoords == null) {
-        initialCoords = new Vector2f(App.mouseX, App.mouseY);
+        initialCoords = camera.screen2world(new Vector2f(App.mouseX, App.mouseY));
       }
     } else if (button == 1) {
       if(selected.size() == 0) {
@@ -218,12 +225,16 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
   public void mouseUp(int button) {
     if(initialCoords != null && button == 0) {
 
-      makeSelection(new Vector4f(
+      Vector2f worldMouse = camera.screen2world(App.mouseX, App.mouseY);
+
+      Vector4f worldBox = new Vector4f(
         initialCoords.x,
         initialCoords.y,
-        App.mouseX,
-        App.mouseY
-      ));
+        worldMouse.x,
+        worldMouse.y
+      );
+
+      makeSelection(worldBox);
 
       initialCoords = null;
     }

src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/Agent.java

@@ -185,7 +185,7 @@ public abstract class Agent extends WorldObject implements ISelectable {
       }
 
       Assets.selectionFrame.draw(
-        camera.world2Screen(
+        camera.world2screen(
           terrain.getTile(
             path.getDestination().getPosition()
           )