46 lines
1.2 KiB
Ruby
46 lines
1.2 KiB
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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@heart_image = Gosu::Image.new("assets/images/heart.png", retro: true)
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$bus.on(:blast) do |x, y, radius, damage, safety|
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next if safety == :safe
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player_x, player_y = $bus.get(:player_position)
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dist = Math.hypot(player_x - x, player_y - y)
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if dist <= radius + 20
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take_damage(damage)
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end
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end
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end
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def take_damage(amount)
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@health -= amount
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if @health <= 0
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@health = 0
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$is_dead = true
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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(SCREEN_SIZE[0] - 100 - 10, 180, 100, 10, Gosu::Color::RED, Float::INFINITY)
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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(SCREEN_SIZE[0] - 100 - 10, 180, health_width, 10, Gosu::Color::GREEN, Float::INFINITY)
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@heart_image.draw(SCREEN_SIZE[0] - 100 - 20, 173, Float::INFINITY, 1.5, 1.5)
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end
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end |