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72 lines
1.6 KiB
72 lines
1.6 KiB
#!/usr/bin/ruby -w
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require "gosu"
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RED = Gosu::Color.argb(0xff_ff0000)
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GREEN = Gosu::Color.argb(0xff_00ff00)
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BLUE = Gosu::Color.argb(0xff_0000ff)
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WHITE = Gosu::Color.argb(0xff_ffffff)
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class PhysObj
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attr_accessor :xspeed, :yspeed, :xaccel, :yaccel, :ela, :x, :y
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attr_reader :width, :height
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def initialize(xspeed=0, yspeed=0, xaccel=0, yaccel=0.1, ela=-0.5, xpos=0, ypos=0)
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@x, @y = xpos, ypos
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@xspeed, @yspeed = xspeed, yspeed
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@xaccel, @yaccel = xaccel, yaccel
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@ela = ela
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@width, @height = 64, 64
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end
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def physics(width, height)
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self.xspeed += self.xaccel
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self.yspeed += self.yaccel
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if( self.y >= height - self.height || self.y < 0 ) then
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self.yspeed *= self.ela
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end
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if( self.x >= width - self.width || self.x < 0 ) then
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self.xspeed *= self.ela
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end
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self.x += self.xspeed
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self.y += self.yspeed
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puts("#{self.x}, #{self.y} : #{self.xspeed}, #{self.yspeed}")
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end
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def render
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Gosu.draw_quad(self.x, self.y, RED, self.x + self.width, self.y, GREEN, self.x, self.y + self.height, BLUE, self.x + self.width, self.y + self.height, WHITE)
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end
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end
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class Game < Gosu::Window
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attr_accessor :caption
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attr_reader :width, :height
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def initialize(width, height, physobjs = [])
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super width, height
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@width, @height = width, height
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self.caption = "Test | #{width}x#{height}"
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@physobjs = physobjs
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end
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def update
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@physobjs.each do |obj|
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obj.physics(self.width, self.height)
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end
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end
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def draw
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@physobjs.each do |obj|
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obj.render
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end
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end
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end
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physobjs = []
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for i in 0...1 do
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physobjs << PhysObj.new(4, 0, 0, 0.1, -0.8, i, 0)
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end
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game = Game.new(640, 480, physobjs)
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game.show
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