JS1k: The JavaScript code golfing competition
2011 - Oregon Trail
- Author:
- Paul Sonnentag
- Twitter:
- @
- GitHub:
- Facebook:
- Google+:
- +
- Reddit:
- /r/
- Pouet:
- Website:
- Compo:
- classic
- Demo link:
- https://js1k.com/2011-trail/demo/985
- Shortlink:
- https://js1k.com/985
- Blog post:
- please update here!
- Bytes:
- 1010
- Chars:
- 1010
- Submission
R=Math.random;g=[];o=[];m=256;n=16;c.width=c.height=m;c.onclick=function(w){l<3&&(x=w.pageX-8,y=w.pageY-8,x=(x-x%n)/n,y=(y-y%n)/n,a.clearRect(x*n,y*n,n,n),k[0]>x&&(k[0]=x),k[1]>y&&(k[1]=y),k[2]<x&&(k[2]=x),k[3]<y&&(k[3]=y),++k[4])};h=b.appendChild(document.createElement("p"));function I(){a.fillRect(0,0,m,m);l=o.length;h.innerHTML=l<3?(k=o[l]=[m,m,0,0,0],"Draw a"+[" plant","n animal"," 2nd animal"][l]+"<button onclick='k[5]=c.toDataURL();I()'>done</button>"):(setInterval(function(){a.fillRect(0,0,m,m);t=g.slice();for(i=0;i<m;i++){r=R()*50;t[i]+1||(t[i]=g[i]=r-r%1);x=i%n;y=(i-x)/n;v=o[t[i]];if(t[i]<3){p=new Image;p.src=v[5];a.clearRect(x*n,y*n,n,n);a.drawImage(p,x*n,y*n,n,n);f=v[2]-v[0];q=v[3]-v[1];s=f*q;e=v[4]/s;u=f+q;for(j=0;j<4;j++){d=i+[-1,1,-n,n][j];[x>0,x<15,y>0,y<15][j]&&R()<(t[i]?(j<2?f/u:q/u)*3/s:1/s*0.1)&&(g[d]>3&&(g[d]=g[i],g[d]&&(g[i]=j=4)),t[d]||(t[i]&&e>0.7&&(g[d]=j=4)),t[d]&&t[d]<3&&(t[i]&&e<0.7&&(g[d]=j=4)),t[d]==t[i]&&(t[i+1]>3&&R()<e&&(t[i+1]=g[i+1]=g[i],j=4)))}}}},250),"")}I();- Description
- Monoworld A small pixelworld 16x16 squares. Draw a plant and two animals and watch how they behave. The size and the color of an animals affects its behaviour. Smaller Animals move faster then bigger ones. Black animals eat other animals while white animals eat plants. They can breed if two animals of the same kind are next to each other. Plants spread all over the world - the smaller they are the faster they grow.
- Base64 encoded
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Original source not submitted