Guards chase you

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/renderer/renderer.dart

@@ -282,25 +282,31 @@ class _WolfRendererState extends State<WolfRenderer>
     _spaceWasPressed = isSpacePressed;
 
     // --- 4. UPDATE ENTITY LOGIC ---
+    const double enemySpeed = 0.03; // Slightly slower than the player
+
     for (Entity entity in entities) {
       // 1. Wake up if the player is spotted!
       if (entity.state == EntityState.idle) {
         if (_hasLineOfSight(entity)) {
-          // "Halt!"
           entity.state = EntityState.patrolling;
-          print("A guard spotted you!"); // Just for debugging
         }
       }
 
-      // 2. Visuals: 8-Way Directional Tracking
+      // 2. State-based Logic & Animation
       if (entity.state == EntityState.idle ||
           entity.state == EntityState.patrolling) {
         double dx = player.x - entity.x;
         double dy = player.y - entity.y;
+        double distance = math.sqrt(dx * dx + dy * dy);
         double angleToPlayer = math.atan2(dy, dx);
 
-        double diff = entity.angle - angleToPlayer;
+        // If patrolling, force the guard to turn and face the player
+        if (entity.state == EntityState.patrolling) {
+          entity.angle = angleToPlayer;
+        }
 
+        // Calculate the octant for the 8-directional sprites
+        double diff = entity.angle - angleToPlayer;
         while (diff <= -math.pi) {
           diff += 2 * math.pi;
         }
@@ -311,8 +317,31 @@ class _WolfRendererState extends State<WolfRenderer>
         int octant = ((diff + (math.pi / 8)) / (math.pi / 4)).floor() % 8;
         if (octant < 0) octant += 8;
 
-        // Base sprite for the Brown Guard
+        if (entity.state == EntityState.idle) {
-        entity.spriteIndex = 50 + octant;
+          // Standing still
+          entity.spriteIndex = 50 + octant;
+        } else if (entity.state == EntityState.patrolling) {
+          // A. Move towards the player (stop if they get too close)
+          if (distance > 0.8) {
+            double moveX = entity.x + math.cos(entity.angle) * enemySpeed;
+            double moveY = entity.y + math.sin(entity.angle) * enemySpeed;
+
+            // Basic collision so they slide along walls instead of phasing through
+            if (_isWalkable(moveX.toInt(), entity.y.toInt())) {
+              entity.x = moveX;
+            }
+            if (_isWalkable(entity.x.toInt(), moveY.toInt())) {
+              entity.y = moveY;
+            }
+          }
+
+          // B. Animate the walk cycle (4 steps)
+          // We use the elapsed time to change the frame every 150ms
+          int walkFrame = (elapsed.inMilliseconds ~/ 150) % 4;
+
+          // Frames start at 58. Each of the 4 walk steps has 8 directional sprites.
+          entity.spriteIndex = 58 + (walkFrame * 8) + octant;
+        }
       }
     }