58 lines
1.3 KiB
Lua
58 lines
1.3 KiB
Lua
-- Space but tetrominoes
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local gc=love.graphics
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local gc_clear,gc_translate=gc.clear,gc.translate
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local gc_setColor,gc_draw=gc.setColor,gc.draw
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local sin,cos=math.sin,math.cos
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local rnd=math.random
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local ins,rem=table.insert,table.remove
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local back={}
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local t
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local mino
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function back.init()
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t=0
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mino={}
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end
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function back.update()
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t=t+1
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if t%3==0 then
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local r=rnd(29)
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ins(mino,{
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block=TEXTURE.miniBlock[r],
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color=BLOCK_COLORS[SETTING.skin[r]],
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ang=6.2832*rnd(),
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rotate=6.2832*rnd(),
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vr=.05-rnd()*.1,
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d=0,
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v=.5+rnd(),
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})
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end
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local rad=SCR.rad
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for i=#mino,1,-1 do
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local M=mino[i]
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M.d=M.d+M.v
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if M.d>rad*1.05 then
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rem(mino,i)
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else
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M.rotate=M.rotate+M.vr
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M.v=M.v*(1+M.d/rad*.05)
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end
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end
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end
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function back.draw()
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gc_clear(.1,.1,.1)
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gc_translate(SCR.cx,SCR.cy)
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for i=1,#mino do
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local M=mino[i]
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local c=M.color
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gc_setColor(c[1],c[2],c[3],.2)
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gc_draw(M.block,M.d*cos(M.ang),M.d*sin(M.ang),M.rotate,(12*M.d/SCR.rad)^1.6,nil,M.block:getWidth()/2,M.block:getHeight()/2)
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end
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gc_translate(-SCR.cx,-SCR.cy)
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end
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function back.discard()
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mino=nil
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end
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return back
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