JS1k, the yearly JS code golfing competition

JS1k: The JavaScript code golfing competition

2010 - The Original

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v1.2 of Missile Command like game. Score is now alerted before game restarts. Use mouse to aim and shoot.

Author:
Blake Callens
Twitter:
@
GitHub:
Facebook:
Google+:
+
Reddit:
/r/
Pouet:
Website: 
onezerothrice.com
Compo:
classic
Demo link:
https://js1k.com/2010-first/demo/680
Shortlink:
https://js1k.com/680
Blog post:
please update here!
Bytes:
1023
Chars:
1021
Submission
d=document;c=d.getElementById('c');n=c.getContext('2d');w=c.width=640;h=c.height=480;a=Math;r=a.random;A=a.atan2;B=a.ceil;q();d.onclick=function(e){y=e.pageY;O.push([w/2,h,y,A(y-h,e.pageX-w/2),7,0]);t--};setInterval(function(){if(t<0)t=0;n.fillStyle="#000";n.fillRect(i=0,0,w,h);n.fillStyle="#FFF";n.fillText(m+"♥ "+t,H=3,9);while(i<O.length){o=O[i];x=o[s=0];y=o[1];g=o[2];F=o[3];if(o.length<6){n.beginPath();n.arc(x,y,g,0,9,0);n.closePath();n.fill();o[2]+=F;if(g>48)o[3]=-1;if(!g)E(i)}else{u=B(o[5]*(a.cos(F)))+x;v=B(o[5]*(a.sin(F)))+y;while(!g&&s<O.length){e=O[s++];if(e.length<6){X=e[0]-u;Y=e[1]-v;j=a.sqrt(X*X+Y*Y);if(j<=e[2]){E(i);E(u,v);t+=2;M();break}}}n.beginPath();n.moveTo(x,y);n.lineTo(u,v);n.closePath();n.strokeStyle="#00F";if(!y)n.strokeStyle="red";n.stroke();o[5]+=o[4];if(v>h){E(i);M();m--;if(!m){alert(t);q()}}if(v<g){E(u,v);E(i)}}i++}},9);function q(){m=3;t=5;O=[];while(--t)M()}function M(){k=B(r()*w);O.push([k,0,0,A(h,B(r()*w)-k),t/50+.3,0])}function E(x,y){if(y)O.push([x,y,4,1]);else O.splice(x,1)}
Description
v1.2 of Missile Command like game. Score is now alerted before game restarts. Use mouse to aim and shoot.
Base64 encoded
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
Original source
d = document;
			c = d.getElementById('c');
			n = c.getContext('2d');
			w = c.width = 640;
			h = c.height = 480;
			a = Math;
			r = a.random;
			A = a.atan2;
			B = a.ceil;
			q();
			
			d.onclick = function(e)
			{
				y = e.pageY;
				O.push([w/2, h, y, A(y - h, e.pageX - w/2), 7, 0]);
				t--
			};
			
			setInterval(function ()
			{
				if(t<0)
				t=0;
				n.fillStyle = "#000";
				n.fillRect(i=0, 0, w, h);
				n.fillStyle = "#FFF";
				n.fillText(m + "♥ " + t, H=3, 9);
				while(i < O.length)
				{
					o = O[i];
					x = o[s=0];
					y = o[1];
					g = o[2];
					F = o[3];
					if(o.length < 6)
					{
						n.beginPath();
						n.arc(x, y, g, 0, 9, 0);
						n.closePath();
						n.fill();
						o[2] += F;
						if(g > 48)
						o[3] = -1;
						if(!g)
						E(i)
					}
					else
					{
						u = B(o[5] * (a.cos(F))) + x;
						v = B(o[5] * (a.sin(F))) + y;

						while(!g&&s < O.length)
						{
							e = O[s++];
							if(e.length < 6)
							{
								X = e[0] - u;
								Y = e[1] - v;
								j = a.sqrt(X * X + Y * Y);
								if(j <= e[2])
								{
									E(i);
									E(u, v);
									t+=2;
									M();
									break
								}
							}
						}
						
						n.beginPath();
						n.moveTo(x, y);
						n.lineTo(u, v);
						n.closePath();
						n.strokeStyle = "#00F";
						if(!y)
						n.strokeStyle = "red";
						n.stroke();
						
						o[5] += o[4];
						if(v > h)
						{
							E(i);
							M();
							m--;
							if(!m)
							{
								alert(t);
								q()
							}							
						}
						if(v < g)
						{
							E(u, v);
							E(i)
						}
					}
					i++
				}
			}, 9);
			
			function q()
			{
				m = 3;
				t = 5;
				O = [];
				while(--t)
				M()
			}
			
			function M()
			{
				k = B(r() * w);
				O.push([k, 0, 0, A(h, B(r() * w) - k), t/50+.3, 0])
			}
			
			function E(x, y)
			{
				if(y)
				O.push([x, y, 4, 1]);
				else
				O.splice(x, 1)
			}