重构背景系统(每个背景使用独立文件),全局变量名整理
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23
parts/backgrounds/bg2.lua
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23
parts/backgrounds/bg2.lua
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--Vertical red-green gradient
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local gc=love.graphics
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local rnd=math.random
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local back={}
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local t
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function back.init()
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t=rnd()*2600
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BG.resize(nil,SCR.h)
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end
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function back.resize(_,h)
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SHADER.gradient2:send("h",h*SCR.dpi)
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end
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function back.update(dt)
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t=t+dt
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end
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function back.draw()
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SHADER.gradient2:send("t",t)
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gc.setShader(SHADER.gradient2)
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gc.rectangle("fill",0,0,SCR.w,SCR.h)
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gc.setShader()
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end
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return back
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