draw.rb

require 'chingu'


class Game < Chingu::Window

  def initialize
		super
		self.input = {esc: :exit}
		8.times {|i| Cursor.create(angle: i * 45 ) }
	end

end

class Cursor < Chingu::GameObject

	has_traits :velocity

	def setup
		@image = Gosu::Image["cursor.png"]
		@x = 400
		@y = 300
		self.input = {holding_left: :left, holding_right: :right, holding_up: :forward}
	end

	def update
		@velocity_x *= 0.95
		@velocity_y *= 0.95
		Dot.create(x: @x, y: @y)

	end

	def forward
		@velocity_x += Gosu::offset_x(@angle, 0.5)
		@velocity_y += Gosu::offset_y(@angle, 0.5)
	end

	def left
		@angle -= 2.5
		
	end

	def right
		@angle += 2.5
	
	end

end

class Dot < Chingu::GameObject

	has_traits :timer

	def setup
		@image = Gosu::Image["cursor.png"]
		after(6000) { self.destroy }
	end
end

Game.new.show