52 lines
1.9 KiB
Ruby
52 lines
1.9 KiB
Ruby
## Nathan Hinton
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## A number producer that will create numbers when an extractor is placed on it.
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PRODUCER_DEBUG = false
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BORDER = 2
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class Producer
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attr_reader :draw_x, :draw_y
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# Create producer at a position with the number and rate specified
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# @param x [Integer] X position to start at
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# @param y [Integer] Y position to start at
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# @param number [Integer] The number to produce
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# @param rate [Integer] The speed in numbers per second to produce
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def initialize(x, y, number, rate, box_size, screen_width, screen_height)
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@x = x
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@y = y
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@number = [number, 1].max
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@rate = (30/rate).to_i
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@box_size = box_size
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@screen_width = screen_width
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@screen_height = screen_height
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@image = Gosu.render(@box_size - (2 * BORDER), @box_size - (2 * BORDER)) {
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# Render the item
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Gosu.draw_rect(0, 0, @box_size - (2 * BORDER), @box_size - (2 * BORDER), Gosu::Color::RED, 0)
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Gosu::Image.from_text("#{@number}", 20).draw(5, 5, 1)
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}
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end
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# Creates numbers depending on the rate. This is done with knowing that the
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# game is 30 fps so we use that for a counter
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# @param delta_mult [Float] The delta multiplier for any actions
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# @param camera_x [Integer] The camera X position
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# @param camera_y [Integer] The camera Y position
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# @param camera_zoom [Float] The camera zoom
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def update(delta_mult, camera_x, camera_y, camera_zoom)
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@draw_x = (((((@screen_width / @box_size.to_f) / 2.0) + (@x - camera_x) * camera_zoom) * @box_size) + BORDER * camera_zoom)
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@draw_y = (((((@screen_height / @box_size.to_f) / 2.0) + (@y - camera_y) * camera_zoom) * @box_size) + BORDER * camera_zoom)
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@camera_zoom = camera_zoom
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end
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# Draw the producer. Uses the camera x and y to shift where it should draw
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def draw()
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if PRODUCER_DEBUG
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puts "Drawing at #{@x - camera_x}, #{@y - camera_y}"
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end
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@image.draw(@draw_x, @draw_y, 0, @camera_zoom, @camera_zoom)
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end
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end
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