Created
October 3, 2013 17:41
-
-
Save plugnburn/6813874 to your computer and use it in GitHub Desktop.
Pong999 - adaptive multiplayer pong in 999 bytes. Controls: A/Z keys for player 1, Up/Down arrows for player 2.
Play at http://bl.ocks.org/plugnburn/raw/6813874/
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html><title>Pong</title><body onload='R=window.requestAnimationFrame||function(c){setTimeout(c,16)};Z=document.querySelector("canvas"),p=s=0;(onresize=function(){H=(K=Z.height=innerHeight)/5,W=(J=Z.width=innerWidth)>>6,M=W>>1})();(D=function(){Y=Z.getContext("2d"),Y.font="40pt monospace",Y.textBaseline="top",O=P=(K-H)>>1,x=M+W+1,y=O+(H-W)>>1,U=I=0,B=V=4})();onkeydown=function(e){eval({65:"U=-4",90:"U=4",38:"I=-4",40:"I=4"}[e.which])};onkeyup=function(e){eval({65:"U",90:"U",38:"I",40:"I"}[e.which]+"=0")};R(Q=function(){R(Q);with(Math)A=abs,O=min(max(O+U,M),z=K-M-H),P=min(max(P+I,M),z);(y<M||y>K-M-W)&&(B=-B);x<=M+W&&(y+W>=O&&y<=O+H?V=A(U)-V:D(++s)),x>=J-M-W-W&&(y+W>=P&&y<=P+H?V=-V-A(I):D(++p));Y.F=Y.fillRect;with(Y)fillStyle="#000",F(0,0,J,K),fillStyle="#eee",F((J-W)/2,0,W,K),F(M,O,W,H),F(J-W-M,P,W,H),F(x+=V,y+=B,W,W),textAlign="right",fillText(p,J/2-W-M,M),textAlign="left",fillText(s,J/2+W+M,M)})'><canvas style=position:fixed;top:0;left:0>Use a browser, moron!</canvas></body> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment