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76 lines
1.6 KiB
76 lines
1.6 KiB
extends CharacterBody2D
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class_name Npc
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const SPEED = 100
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const MINIMUM_STATE_DURATION = 3
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const STATES = ['panic', 'dead']
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const QUEUE_FREE_DELAY = 10
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const SOUNDS = {
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"spawn": {"asset": preload("res://assets/sounds/ant_spawn.wav"), "volume": -20},
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"die": {"asset": preload("res://assets/sounds/ant_death.wav"), "volume": 0.5},
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}
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var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
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var direction = 0
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var rising_speed = 0
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@onready var original_parent = get_parent()
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func _ready():
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pick_new_direction()
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$fsm.set_states(STATES)
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$sound_player.play_sound(SOUNDS["spawn"])
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func panic_state(delta):
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if is_on_wall():
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direction *= -1
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var state_duration_in_seconds = ceili($fsm.state_duration)
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var should_update = (
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$fsm.state_duration >= MINIMUM_STATE_DURATION
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&& state_duration_in_seconds % 2 == (randi() %2)
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)
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if should_update:
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pick_new_direction()
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$fsm.state_duration = 0
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velocity.x = direction
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velocity.y += gravity * delta
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move_and_slide()
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func on_enter_dead_state():
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$shape.queue_free()
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func dead_state(_delta):
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velocity = Vector2(0, -rising_speed)
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move_and_slide()
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if $fsm.state_duration > QUEUE_FREE_DELAY:
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queue_free()
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func die(level_speed):
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$fsm.set_next_state('dead')
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$sound_player.play_sound(SOUNDS["die"])
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rising_speed = level_speed
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func grabbed(by):
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$shape.disabled = true
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$fsm.set_physics_process(false)
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reparent(by)
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position.y = 0
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func dropped():
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$shape.disabled = false
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$fsm.set_physics_process(true)
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reparent(original_parent)
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rotation = 0
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func pick_new_direction():
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direction = [1,-1][randi_range(0,1)] * SPEED
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