35 lines
501 B
Lua
35 lines
501 B
Lua
function draw_animated_bg(startx)
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if (amplitude <= 0) return
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startx = startx or 0
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fillp(0b0101101001011010)
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local color = 1
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-- vertical lines
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local t = t()+10
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for i=startx-1,127,9 do
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local a=sin(i*t/512)*amplitude+64
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local b=cos(i*t/256)*amplitude+64
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line(
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i,
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a,
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i,
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b ,
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color)
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end
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-- horizontal lines
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for i=startx-1,127,9 do
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local a=sin(i*t/512)*amplitude+64
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local b=cos(i*t/256)*amplitude+64
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line(
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a,
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i,
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b ,
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i,
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color)
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end
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end
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function draw_bg_menu()
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end |