ball: use _integrate_forces() to scale

game/src/actors/bin/Bin.gd

@@ -2,13 +2,30 @@
 
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-extends StaticBody
+extends RigidBody
 
 signal win
 
-#func _ready():
-#	$AnimationPlayer.play("Size")
-
+const scale_min:float = 1.01
+const scale_max:float = 1.08
+const scale_factor:float = 0.001
+
+var scale_up:bool = true
+
+func _integrate_forces(state:PhysicsDirectBodyState) -> void:
+	if state.transform.basis.x.x < scale_max and scale_up:
+		state.transform.basis.x.x += scale_factor
+		state.transform.basis.y.y += scale_factor
+		state.transform.basis.z.z += scale_factor
+	elif state.transform.basis.x.x > scale_min:
+		scale_up = false
+		state.transform.basis.x.x -= scale_factor
+		state.transform.basis.y.y -= scale_factor
+		state.transform.basis.z.z -= scale_factor
+	else:
+		scale_up = true
+
+
 func _on_BallDetector_body_entered(body) -> void:
 	if body.is_in_group("ball"):
 		$Timer.start()
@@ -21,9 +38,8 @@ func _on_Timer_timeout() -> void:
 func fade_in() -> void:
 	# to match arrow animation
 	if Global.current_level > 1:
-		$AnimationPlayer.play("FadeIn")
-		yield($AnimationPlayer,"animation_finished")
-	$AnimationPlayer.play("Size")
+		# TODO use integrate forces
+		pass
 
 func hide() -> void:
 	visible = false

game/src/actors/bin/Bin.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=2]
+[gd_scene load_steps=17 format=2]
 
 [ext_resource path="res://src/actors/bin/Bin.gd" type="Script" id=1]
 [ext_resource path="res://materials/bin-material.tres" type="Material" id=2]
@@ -40,40 +40,12 @@ metallic_specular = 0.0
 
 [sub_resource type="BoxShape" id=13]
 
-[sub_resource type="Animation" id=14]
-length = 0.2
-tracks/0/type = "value"
-tracks/0/path = NodePath(".:scale")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/keys = {
-"times": PoolRealArray( 0, 0.2 ),
-"transitions": PoolRealArray( 1, 1 ),
-"update": 0,
-"values": [ Vector3( 0.01, 0.01, 0.01 ), Vector3( 1, 1, 1 ) ]
-}
-
-[sub_resource type="Animation" id=15]
-loop = true
-tracks/0/type = "value"
-tracks/0/path = NodePath(".:scale")
-tracks/0/interp = 2
-tracks/0/loop_wrap = true
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/keys = {
-"times": PoolRealArray( 0, 0.5, 1 ),
-"transitions": PoolRealArray( 1, 1, 1 ),
-"update": 0,
-"values": [ Vector3( 1.05, 1.05, 1.05 ), Vector3( 0.95, 0.95, 0.95 ), Vector3( 1.05, 1.05, 1.05 ) ]
-}
-
-[node name="Bin" type="StaticBody" groups=["objects"]]
+[node name="Bin" type="RigidBody" groups=["objects"]]
 pause_mode = 2
-transform = Transform( 1.05, 0, 0, 0, 1.05, 0, 0, 0, 1.05, 0, 0, 0 )
+mode = 3
 physics_material_override = SubResource( 1 )
+custom_integrator = true
+can_sleep = false
 script = ExtResource( 1 )
 
 [node name="MeshInstance" type="MeshInstance" parent="."]
@@ -168,10 +140,5 @@ shape = SubResource( 13 )
 wait_time = 0.01
 one_shot = true
 
-[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
-anims/FadeIn = SubResource( 14 )
-anims/Size = SubResource( 15 )
-
 [connection signal="body_entered" from="BallDetector" to="." method="_on_BallDetector_body_entered"]
-[connection signal="body_exited" from="BallDetector" to="." method="_on_BallDetector_body_exited"]
 [connection signal="timeout" from="Timer" to="." method="_on_Timer_timeout"]