30 lines
701 B
Ruby
30 lines
701 B
Ruby
class HealthBar
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attr_reader :health, :max_health
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def initialize(max_health)
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@max_health = max_health
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@health = max_health
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end
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def take_damage(amount)
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@health -= amount
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if @health <= 0
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@health = 0
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$bus.emit(:change_scene, GameOver)
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end
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end
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def heal(amount)
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@health += amount
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@health = @max_health if @health > @max_health
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end
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def draw
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# Draw the background of the health bar (red)
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Gosu.draw_rect(30, 10, 100, 10, Gosu::Color::RED)
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# Draw the foreground of the health bar (green) based on current health
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health_width = (health.to_f / max_health) * 100
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Gosu.draw_rect(30, 10, health_width, 10, Gosu::Color::GREEN)
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end
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end |