Nearl implemented: bullet rotation isn't working correctly.

test_rotation.gd

@@ -0,0 +1,25 @@
+extends Area2D
+
+# Simple test to verify rotation behavior
+var test_angle: float = 0.0
+var rotate_to_velocity: bool = true
+
+func _process(delta):
+    # Move in a straight line at 100 pixels per second
+    var move_x = cos(deg_to_rad(test_angle)) * 100 * delta
+    var move_y = sin(deg_to_rad(test_angle)) * 100 * delta
+
+    position.x += move_x
+    position.y += move_y
+
+    # Rotate to face movement direction (this is the key fix)
+    if rotate_to_velocity:
+        var velocity = Vector2(cos(deg_to_rad(test_angle)) * 100, sin(deg_to_rad(test_angle)) * 100)
+        rotation = velocity.angle()
+
+        # Debug output
+        print("Test angle: ", test_angle, "Velocity angle:", velocity.angle(), "Rotation set to:", rotation)
+
+func _ready():
+    # Set initial rotation for testing
+    test_angle = 0.0