SpaceECS v2

Root.gd

extends Node2D

func _physics_process(delta):
	var vels = get_tree().get_nodes_in_group( "components/VelocityComponent" )
	for node in vels:
		var vel = node.get_component( "VelocityComponent" )
		node.move_and_collide( vel.velocity * delta )

TestEntity1.gd

extends Node2D

func _ready():
	var c := VelocityComponent.new()
	var dir := randf() * PI * 2
	c.velocity = Vector2( cos( dir ) * 100, sin( dir ) * 100 )
	add_component( c )

VelocityComponent.gd

extends Component
class_name VelocityComponent # Not necessary

export var velocity : Vector2 = Vector2( 0, 0 )

func _get_component_name(): # Is necessary
	return "VelocityComponent"