50 lines
806 B
Ruby
50 lines
806 B
Ruby
require_relative 'ai'
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class Enemy
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attr_accessor :x, :y, :w, :h
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def initialize(x, y)
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@x = x
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@y = y
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@w = 25
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@h = 30
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@ai = EnemyAI.new(self, :chase)
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$bus.on(:collides?) do |rect|
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next collides?(rect) ? :enemy : nil
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end
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end
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def rect
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[@x - @w / 2, @y - @h / 2, @w, @h]
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end
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def collides?(rect)
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return true if intersects?(self.rect, rect)
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false
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end
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def update(dt)
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player_pos = $bus.get(:player_position)
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@ai.update(*player_pos, dt) if player_pos
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end
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def draw
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cam_x, cam_y = $bus.get(:camera_pos) || [0, 0]
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screen_x = @x - cam_x
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screen_y = @y - cam_y
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Gosu.draw_rect(
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screen_x - @w / 2,
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screen_y - @h / 2,
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@w,
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@h,
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Gosu::Color::RED,
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screen_y - @h / 2
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)
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@ai.draw
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end
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end |