44 lines
999 B
Markdown
44 lines
999 B
Markdown
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````python
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extends Area2D
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var max_speed := 1200.0
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var velocity := Vector2(0, 0)
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var steering_factor := 3.0
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var health := 10
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func _ready() -> void:
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area_entered.connect(_on_area_entered)
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# This call updates the health bar to match the health variable when the
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# game starts.
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set_health(health)
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func _process(delta: float) -> void:
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var direction := Vector2(0, 0)
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direction.x = Input.get_axis("move_left", "move_right")
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direction.y = Input.get_axis("move_up", "move_down")
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if direction.length() > 1.0:
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direction = direction.normalized()
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var desired_velocity := max_speed * direction
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var steering := desired_velocity - velocity
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velocity += steering * steering_factor * delta
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position += velocity * delta
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if velocity.length() > 0.0:
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get_node("Sprite2D").rotation = velocity.angle()
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func set_health(new_health: int) -> void:
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health = new_health
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get_node("UI/HealthBar").value = health
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func _on_area_entered(area_that_entered: Area2D) -> void:
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set_health(health + 10)
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```
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