Enhance enemy AI and weapon mechanics: add knockback effect based on player position in Enemy class; improve attack direction handling and animation in OccamsRazor class.

Basically the finishing touches.

game/weapons/occams_razor.rb

@@ -8,12 +8,15 @@ class OccamsRazor
     @range = 45 # how many pixels from player center to enemy center the attack hits, this is a melee weapon so it should be small
   end
 
-  def attack(_direction)
+  def attack(direction)
     return if @active
 
     @active = true
     @time = BASE_TIME
 
+    @direction = direction # radians
+    @spread = Math::PI # 90° total arc
+
     # Check for enemies in range and deal damage
     player_x, player_y = $bus.get(:player_position)
     $bus.emit(:attack, player_x, player_y, @range, @damage)
@@ -23,6 +26,10 @@ class OccamsRazor
     return unless @active
 
     @time -= dt
+
+    progress = @time / BASE_TIME
+    @spread = (Math::PI) * progress
+
     if @time <= 0
       @active = false
       @time = 0
@@ -30,6 +37,27 @@ class OccamsRazor
   end
 
   def draw
-    # Nothing for now, but player attack animation would go here
+    return unless @active
+
+    px, py = $bus.get(:player_position)
+    cam_x, cam_y = $bus.get(:camera_pos) || [0, 0]
+
+    cx = px - cam_x
+    cy = py - cam_y
+
+    step = 0.1 # radians (~6°)
+
+    angle_start = @direction - @spread
+    angle_end   = @direction + @spread
+
+    alpha = ((@time / BASE_TIME) * 255).to_i
+    color = Gosu::Color.new(alpha, 255, 255, 255)
+
+    (angle_start..angle_end).step(step) do |rad|
+      x = cx + Math.cos(rad) * @range
+      y = cy + Math.sin(rad) * @range
+
+      Gosu.draw_rect(x, y, 4, 4, color, Float::INFINITY)
+    end
   end
 end