Ponali
6b8bee249a
This library uses braille characters and GPU raw instructions to display generated bitmaps in real-time, in high resolutions. A demo is available from command rtest.
91 lines
2.0 KiB
Lua
91 lines
2.0 KiB
Lua
local raster = import("raster")
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raster.init()
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--[[for i=4,20 do
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raster.set(i,i)
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raster.set(i,i+4,0xFF00FF)
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end]]
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--[[ for x=4,20 do
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for y=4,20 do
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if (x+y)%2==0 then
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raster.set(x,y,0xFF00FF)
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end
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end
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end ]]
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local event = import("event")
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local x=0
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local y=0
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local vx=1
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local vy=1
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local col = 0x808080
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local i=0
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while event.pull("key_down",0)==nil do
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i = i + 1
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raster.set(x,y,col)
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x = x + vx
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y = y + vy
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if x>raster.displayWidth then
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x=raster.displayWidth
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vx = -math.abs(vx)
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col = math.random(0,0xFFFFFF)
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end
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if x<1 then
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x=1
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vx = math.abs(vx)
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col = math.random(0,0xFFFFFF)
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end
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if y>raster.displayHeight-6 then
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y=raster.displayHeight-6
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vy = -math.abs(vy)
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col = math.random(0,0xFFFFFF)
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end
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if y<1 then
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y=1
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vy = math.abs(vy)
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col = math.random(0,0xFFFFFF)
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end
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if i>10 and i%15>0 then
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while true do
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local tries=0
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local dx,dy=math.random(1,raster.displayWidth),math.random(1,raster.displayHeight-6)
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if raster.get(dx,dy)~=0 then
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raster.set(dx,dy,0)
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break
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end
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tries = tries + 1
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if tries>20 then
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break
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end
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end
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end
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if i%10==0 then
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raster.update()
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coroutine.yield()
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end
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end
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--[[ for i=0,360,4 do
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local angle = i/180*math.pi
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if false then
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local x1,y1,x2,y2=raster.displayWidth/2,raster.displayHeight/2,raster.displayWidth/2+math.sin(angle)*80,raster.displayHeight/2+math.cos(angle)*80
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raster.fillEllipse(x1,y1,x2,y2,0xFF00FF)
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raster.update()
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raster.fillEllipse(x1,y1,x2,y2,0x000000)
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else
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local x,y,c=raster.displayWidth/2,raster.displayHeight/2,math.abs(math.sin(angle)*100)
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raster.drawCircle(x,y,c,0xFF00FF)
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raster.update()
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raster.drawCircle(x,y,c,0x000000)
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end
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end ]]
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raster.free()
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termlib.cursorPosY=1 |