basic ECS spawner

addons/gecs/tests/components/c_velocity.gd

@@ -0,0 +1,14 @@
+## Test velocity component for observer performance tests
+class_name C_TestVelocity
+extends Component
+
+@export var velocity: Vector3 = Vector3.ZERO : set = set_velocity
+
+func set_velocity(new_vel: Vector3):
+	var old_vel = velocity
+	velocity = new_vel
+	# Emit signal for observers to detect the change
+	property_changed.emit(self, "velocity", old_vel, new_vel)
+
+func _init(_velocity: Vector3 = Vector3.ZERO):
+	velocity = _velocity