feat: add deterministic goat routine

2026-07-26 23:52:56 +02:00
parent f79c2bb630
commit e3aa3440a2
61 changed files with 1393 additions and 1057 deletions
@@ -0,0 +1,90 @@
+extends Node3D
+
+const HUNGER_CUE_BASE_Y := 2.05
+const FED_RESPONSE_BASE_Y := 1.8
+
+@onready var head_root: Node3D = $HeadRoot
+@onready var tail_root: Node3D = $TailRoot
+@onready var hunger_cue_root: Node3D = $HungerCueRoot
+@onready var fed_response_root: Node3D = $FedResponseRoot
+@onready var leg_front_left: Node3D = $LegFrontLeft
+@onready var leg_front_right: Node3D = $LegFrontRight
+@onready var leg_back_left: Node3D = $LegBackLeft
+@onready var leg_back_right: Node3D = $LegBackRight
+
+var idle_phase := 0.0
+var is_hungry := false
+var is_moving := false
+var fed_tween: Tween
+var head_base_position: Vector3
+var visual_base_position: Vector3
+
+
+func _ready() -> void:
+	head_base_position = head_root.position
+	visual_base_position = position
+	reset_transient_feedback()
+
+
+func _process(delta: float) -> void:
+	idle_phase = fmod(idle_phase + delta, TAU)
+	var breath := sin(idle_phase * 1.7) * 0.025
+	var hungry_drop := -0.12 if is_hungry else 0.0
+	var walking_bob := absf(sin(idle_phase * 5.4)) * 0.045 if is_moving else 0.0
+	position.y = visual_base_position.y + walking_bob
+	head_root.position.y = head_base_position.y + breath + hungry_drop
+	head_root.rotation_degrees.x = (
+		8.0 + sin(idle_phase * 1.2) * 2.0 if is_hungry else -3.0 + sin(idle_phase * 1.4) * 2.5
+	)
+	tail_root.rotation_degrees.z = sin(idle_phase * 3.1) * (4.0 if is_hungry else 13.0)
+	var stride := sin(idle_phase * 5.4) * 14.0 if is_moving else 0.0
+	leg_front_left.rotation_degrees.x = stride
+	leg_back_right.rotation_degrees.x = stride
+	leg_front_right.rotation_degrees.x = -stride
+	leg_back_left.rotation_degrees.x = -stride
+	if hunger_cue_root.visible:
+		hunger_cue_root.position.y = HUNGER_CUE_BASE_Y + sin(idle_phase * 2.2) * 0.07
+
+
+func set_hungry(value: bool) -> void:
+	is_hungry = value
+	hunger_cue_root.visible = value
+
+
+func set_moving(value: bool) -> void:
+	is_moving = value
+	if not value:
+		position = visual_base_position
+		leg_front_left.rotation_degrees.x = 0.0
+		leg_front_right.rotation_degrees.x = 0.0
+		leg_back_left.rotation_degrees.x = 0.0
+		leg_back_right.rotation_degrees.x = 0.0
+
+
+func reset_transient_feedback() -> void:
+	if fed_tween != null:
+		fed_tween.kill()
+	fed_tween = null
+	fed_response_root.visible = false
+	fed_response_root.position.y = FED_RESPONSE_BASE_Y
+	fed_response_root.scale = Vector3(0.2, 0.2, 0.2)
+
+
+func play_fed_response() -> void:
+	reset_transient_feedback()
+	fed_response_root.visible = true
+	fed_tween = create_tween()
+	fed_tween.set_trans(Tween.TRANS_BACK).set_ease(Tween.EASE_OUT)
+	fed_tween.tween_property(fed_response_root, "scale", Vector3.ONE, 0.34)
+	fed_tween.parallel().tween_property(
+		fed_response_root, "position:y", FED_RESPONSE_BASE_Y + 0.22, 0.34
+	)
+	fed_tween.set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN)
+	fed_tween.tween_interval(0.7)
+	fed_tween.tween_property(fed_response_root, "scale", Vector3(0.2, 0.2, 0.2), 0.42)
+	fed_tween.finished.connect(_on_fed_response_finished)
+
+
+func _on_fed_response_finished() -> void:
+	fed_response_root.visible = false
+	fed_tween = null