perfgraph.p8

   1 pico-8 cartridge // http://www.pico-8.com
   2 version 43
   3 __lua__
   4 -- perfgraph for pico-8
   5 --   simple performance graphs
   6
   7 --[[
   8
   9 this is a super simple way
  10   to get a performance graph
  11   into your pico-8 carts.
  12
  13 1. #include perfgraph.p8:1.
  14 2. use 'p_start' and 'p_end'
  15      around the code you need
  16      to measure.
  17 3. call 'p_show'
  18      to show a graph!
  19      (the frame times will
  20      reset after you
  21      call this.)
  22
  23 see full example on tab 2!
  24
  25 ]]
  26
  27 -->8
  28 -- ⧗ implementation ⧗ --
  29
  30 _p_perf={}
  31
  32 function p_start(name,col)
  33         local idx=_p_perf[name]
  34         if(idx==nil)idx=#_p_perf+1
  35         _p_perf[name]=idx
  36         if(_p_perf[idx]==nil)_p_perf[idx]={name=name,col=col or idx%15+1}
  37         local p=_p_perf[idx]
  38         p.ct=p.ct or 0
  39         p.st=stat(1)
  40 end
  41
  42 function p_end(name)
  43         assert(_p_perf[name])
  44         local p=_p_perf[_p_perf[name]]
  45         p.ct+=max(stat(1)-p.st,0)
  46 end
  47
  48 function p_show(x,y,w,compact)
  49         local cx,cy=camera()
  50         clip()
  51         fillp()
  52
  53         for idx,tp in ipairs(_p_perf) do
  54                 if tp.ct then
  55                         rectfill(x,y,x+w,y+4,0)
  56                         rectfill(x,y,x+tp.ct*w,y+4,tp.col)
  57                         ?"\^o0ff"..tp.name..":"..flr((tp.ct*100)+0.5).."%",x+w+4,y,7
  58                         y+=6
  59                 end
  60                 tp.ct=nil
  61         end
  62
  63         camera(cx,cy)
  64 end
  65
  66 -->8
  67 -- ♥ demo! ♥ --
  68
  69 local m=10/100
  70
  71 ::l::
  72
  73 p_start("frame")
  74
  75 cls()
  76
  77 f=10
  78 fl=true
  79 for i=0,-5000,-10 do
  80         p_start("circle calculation")
  81         local h=10
  82         local z=i+time()*20
  83         local x=cos(i/45)*8
  84         local y=cos(i/100)*8
  85         local hi=h*m*z
  86         local c=7
  87         if(fl)c=0
  88         fl=not fl
  89         p_end("circle calculation")
  90
  91         p_start("circle draw")
  92         circfill(64+x,64+y,hi,c)
  93         p_end("circle draw")
  94 end
  95
  96
  97
  98 p_end("frame")
  99
 100 p_show(1,1,32)
 101
 102 flip()
 103
 104 goto l
 105
 106 __gfx__
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