added collision to NPCs

src/de/miaurizius/jgame2d/entity/Entity.java

@@ -35,6 +35,8 @@ public class Entity {
         setAction();
         collisionOn = false;
         panel.collisionH.checkTile(this);
+        panel.collisionH.checkObject(this, false);
+        panel.collisionH.checkPlayer(this);
 
         if(!collisionOn) {
             switch (direction) {

src/de/miaurizius/jgame2d/entity/Player.java

@@ -62,9 +62,15 @@ public class Player extends Entity {
             // CHECK TILE COLLISION
             collisionOn = false;
             panel.collisionH.checkTile(this);
+
+            // CHECK OBJECT COLLISION
             int objIndex = panel.collisionH.checkObject(this, true);
             pickObject(objIndex);
 
+            // CHECK ENTITY COLLISION
+            int npcIndex  = panel.collisionH.checkEntity(this, panel.npc);
+            interactNPC(npcIndex);
+
             if(!collisionOn) {
                 switch (direction) {
                     case UP -> worldY -= speed;
@@ -88,6 +94,11 @@ public class Player extends Entity {
 
     }
 
+    public void interactNPC(int index) {
+        if(index == 999) return;
+        System.out.println("npc collision detected");
+    }
+
     public void draw(Graphics2D graphics2d) {
         BufferedImage image = switch (direction) {
             case UP -> (spriteNum == 1) ? up1 : up2;