21 lines
376 B
Lua
21 lines
376 B
Lua
--Vertical red-green gradient
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local back={}
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local shader=SHADER.grad2
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local t
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function back.init()
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t=math.random()*260
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BG.resize(nil,SCR.h)
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end
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function back.update(dt)
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t=(t+dt)%2600
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end
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function back.draw()
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GC.clear(.08,.08,.084)
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shader:send('phase',t)
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GC.setShader(shader)
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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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