first work

scenes/playground/racket/Racket.gd

@@ -0,0 +1,14 @@
+extends RigidBody2D
+
+
+const SPEED = 300.0
+
+func _ready():
+	contact_monitor = true
+
+func _physics_process(delta):
+	if Input.is_action_pressed(get_meta("UP_KEY")):
+		move_and_collide(Vector2.UP * SPEED * delta)
+	
+	if Input.is_action_pressed(get_meta("DOWN_KEY")):
+		move_and_collide(Vector2.DOWN * SPEED * delta)

scenes/playground/racket/Racket.tscn

@@ -0,0 +1,25 @@
+[gd_scene load_steps=4 format=3 uid="uid://ce4mnfokb6pkn"]
+
+[ext_resource type="Script" path="res://scenes/playground/racket/Racket.gd" id="1_gclos"]
+
+[sub_resource type="PhysicsMaterial" id="PhysicsMaterial_lq6ot"]
+friction = 0.0
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_ehve4"]
+size = Vector2(40, 144)
+
+[node name="Racket" type="RigidBody2D"]
+physics_material_override = SubResource("PhysicsMaterial_lq6ot")
+gravity_scale = 1.66533e-16
+can_sleep = false
+lock_rotation = true
+script = ExtResource("1_gclos")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(20, 72)
+shape = SubResource("RectangleShape2D_ehve4")
+
+[node name="ColorRect" type="ColorRect" parent="."]
+offset_right = 40.0
+offset_bottom = 144.0
+color = Color(0.0117647, 0.0117647, 0.0117647, 1)