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 -- version: v2
   8
   9 --[[
  10
  11 this is a super simple way
  12   to get a performance graph
  13   into your pico-8 carts.
  14
  15 1. #include perfgraph.p8:1.
  16 2. use 'p_start' and 'p_end'
  17      around the code you need
  18      to measure.
  19 3. call 'p_show'
  20      to show a graph!
  21      (the frame times will
  22      reset after you
  23      call this.)
  24
  25 see full example on tab 2!
  26
  27 ]]
  28
  29 -->8
  30 -- ⧗ implementation ⧗ --
  31
  32 _p_perf={}
  33
  34 function p_start(name,col)
  35         local idx=_p_perf[name] or #_p_perf+1
  36         _p_perf[name]=idx
  37         local p=_p_perf[idx] or {name=name,col=col or idx%15+1}
  38         p.ct=p.ct or 0
  39         p.st=stat(1)
  40         _p_perf[idx]=p
  41 end
  42
  43 function p_end(name)
  44         assert(_p_perf[name])
  45         local p=_p_perf[_p_perf[name]]
  46         p.ct+=stat(1)-p.st
  47 end
  48
  49 function p_show(x,y,w,compact)
  50         local cx,cy=camera()
  51         clip()
  52         fillp()
  53
  54         for idx,p in ipairs(_p_perf) do
  55                 if p.ct then
  56                         rectfill(x,y,x+w,y+4,0)
  57                         rectfill(x,y,x+p.ct*w,y+4,p.col)
  58                         ?"\^o0ff"..p.name..":"..flr(p.ct*100+0.5).."%",x+w+4,y,7
  59                         y+=6
  60                         p.ct=nil
  61                 end
  62         end
  63
  64         camera(cx,cy)
  65 end
  66
  67 -->8
  68 -- ♥ demo! ♥ --
  69
  70 local m=10/100
  71
  72 ::l::
  73
  74 p_start("frame")
  75
  76 cls()
  77
  78 camera(sin(time()*0.01)*10, cos(time()*0.02)*10)
  79
  80 f=10
  81 fl=true
  82 for i=0,-5000,-10 do
  83         p_start("circle calculation")
  84         local h=10
  85         local z=i+time()*20
  86         local x=cos(i/45)*8
  87         local y=cos(i/100)*8
  88         local hi=h*m*z
  89         local c=7
  90         if(fl)c=0
  91         fl=not fl
  92         p_end("circle calculation")
  93
  94         p_start("circle draw")
  95         circfill(64+x,64+y,hi,c)
  96         p_end("circle draw")
  97 end
  98
  99
 100
 101 p_end("frame")
 102
 103 p_show(1,1,32)
 104
 105 flip()
 106
 107 goto l
 108
 109 __gfx__
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