JS1k: The JavaScript code golfing competition
2010 - The Original
- Author:
- Kostas Michalopoulos
- Twitter:
- @
- GitHub:
- Facebook:
- Google+:
- +
- Reddit:
- /r/
- Pouet:
- Website:
- Compo:
- classic
- Demo link:
- https://js1k.com/2010-first/demo/630
- Shortlink:
- https://js1k.com/630
- Blog post:
- please update here!
- Bytes:
- 1019
- Chars:
- 1019
- Submission
M=Math;R=M.random;A=1;F=S=Y=j=f=0;fi=0.005;e=document.body.children[0];g=e.getContext("2d");e.width=640;e.height=480;g.font="20pt arial";t=[];k=[];function V(){k[(R()*32)|0]++;setTimeout(V,4212)}V();function N(){i=-1;while(++i<32){t[i]={};k[i]=1;t[i].x=((R()*21)|0)*32;t[i].y=((R()*15)|0)*32}}N();function r(){if(A)S+=16;nt=15;g.clearRect(0,0,640,480);g.strokeRect(0,0,640,480);function l(){i=-1;while(++i<32){g.beginPath();g.arc(t[i].x+16,t[i].y+16,13,0,M.PI*2,true);g.closePath();g.fill();if(i&&((t[i].x-=k[i])<-32)){t[i].x=656;t[i].y=((R()*15)|0)*32}g.fillStyle='rgba(0,0,0,'+f.toFixed(4)+')';};if(fi){f+=fi;if(f<=0.0||f>=1.0){if(f<-0.1){fi=0.005;N();nt*=99;A=1;f=F=S=0;}else{fi=0}}}else{i=0;while(++i<32){var xx=t[0].x-t[i].x,yy=t[0].y-t[i].y;if (xx*xx+yy*yy<784){fi=-0.01;A=0}}}}l();l();g.fillStyle="red";g.fillText('Score: '+S,5,25);F++;setTimeout(r,nt);l()}e.onmousemove=function(v){t[0].x=v.clientX-32;t[0].y=v.clientY-32;if(A&&(F>4))S+=M.abs(Y-t[0].y);Y=t[0].y;if(t[0].x<0)t[0].x=0;if(t[0].y<0)t[0].y=0};r();- Description
- Its *Super Black Sphere Avoider 2D!* :-) Basically a side scrolling game where you control the red sphere (in 2D) and try to avoid the black spheres (in 2D) which come from the right edge of the game field. Occasionally some of the black spheres (in 2D) start going faster and you have to avoid them (so try to not be very close in front of them). Your score increases while you stay alive *and* while you move vertically (so your score will be greater if you move around instead of staying at the same, potentially safe but ultra boring, place). To control your sphere just move the mouse around. While the screen fades in collisions do not register so make sure that you're not over any black sphere before the screen fully fades! EDIT: bugfix :-P
- Base64 encoded
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Original source not submitted