Baca Juga :
Belajar HTML Dan CSS Membuat Menu Navigasi Horizontal
Template Teks Dengan Mouse Hover HTML5 Dan CSS3
Membuat Menu Navigasi Responsive HTML5
Membuat Game Happy Match Keren Dengan HTML5 Langsung Dapat Dimainkan
Dan dibawah ini adalah full sourcodenya
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Labkom99.com - HTML5 Canvas</title>
<style>
canvas{
position: absolute;
height: 100%;
width: 100%;
left: 0;
top: 0;
cursor: crosshair;
}
</style>
<script >
(function(){function t(e,t){return[].slice.call((t||document).querySelectorAll(e))}if(!window.addEventListener)return;var e=window.StyleFix={link:function(t){try{if(t.rel!=="stylesheet"||t.hasAttribute("data-noprefix"))return}catch(n){return}var r=t.href||t.getAttribute("data-href"),i=r.replace(/[^/]+$/,""),s=(/^[a-z]{3,10}:/.exec(i)||[""])[0],o=(/^[a-z]{3,10}://[^/]+/.exec(i)||[""])[0],u=/^([^?]*)??/.exec(r)[1],a=t.parentNode,f=new XMLHttpRequest,l;f.onreadystatechange=function(){f.readyState===4&&l()},l=function(){var n=f.responseText;if(n&&t.parentNode&&(!f.status||f.status<400||f.status>600)){n=e.fix(n,!0,t);if(i){n=n.replace(/url(s*?((?:"|')?)(.+?)1s*?)/gi,function(e,t,n){return/^([a-z]{3,10}:|#)/i.test(n)?e:/^///.test(n)?'url("'+s+n+'")':/^//.test(n)?'url("'+o+n+'")':/^?/.test(n)?'url("'+u+n+'")':'url("'+i+n+'")'});var r=i.replace(/([\^$*+[]?{}.=!:(|)])/g,"\$1");n=n.replace(RegExp("\b(behavior:\s*?url\('?"?)"+r,"gi"),"$1")}var l=document.createElement("style");l.textContent=n,l.media=t.media,l.disabled=t.disabled,l.setAttribute("data-href",t.getAttribute("href")),a.insertBefore(l,t),a.removeChild(t),l.media=t.media}};try{f.open("GET",r),f.send(null)}catch(n){typeof XDomainRequest!="undefined"&&(f=new XDomainRequest,f.onerror=f.onprogress=function(){},f.onload=l,f.open("GET",r),f.send(null))}t.setAttribute("data-inprogress","")},styleElement:function(t){if(t.hasAttribute("data-noprefix"))return;var n=t.disabled;t.textContent=e.fix(t.textContent,!0,t),t.disabled=n},styleAttribute:function(t){var n=t.getAttribute("style");n=e.fix(n,!1,t),t.setAttribute("style",n)},process:function(){t("style").forEach(StyleFix.styleElement),t("[style]").forEach(StyleFix.styleAttribute)},register:function(t,n){(e.fixers=e.fixers||[]).splice(n===undefined?e.fixers.length:n,0,t)},fix:function(t,n,r){for(var i=0;i<e.fixers.length;i++)t=e.fixers[i](t,n,r)||t;return t},camelCase:function(e){return e.replace(/-([a-z])/g,function(e,t){return t.toUpperCase()}).replace("-","")},deCamelCase:function(e){return e.replace(/[A-Z]/g,function(e){return"-"+e.toLowerCase()})}};(function(){setTimeout(function(){},10),document.addEventListener("DOMContentLoaded",StyleFix.process,!1)})()})(),function(e){function t(e,t,r,i,s){e=n[e];if(e.length){var o=RegExp(t+"("+e.join("|")+")"+r,"gi");s=s.replace(o,i)}return s}if(!window.StyleFix||!window.getComputedStyle)return;var n=window.PrefixFree={prefixCSS:function(e,r,i){var s=n.prefix;n.functions.indexOf("linear-gradient")>-1&&(e=e.replace(/(s|:|,)(repeating-)?linear-gradient(s*(-?d*.?d*)deg/ig,function(e,t,n,r){return t+(n||"")+"linear-gradient("+(90-r)+"deg"})),e=t("functions","(\s|:|,)","\s*\(","$1"+s+"$2(",e),e=t("keywords","(\s|:)","(\s|;|\}|$)","$1"+s+"$2$3",e),e=t("properties","(^|\{|\s|;)","\s*:","$1"+s+"$2:",e);if(n.properties.length){var o=RegExp("\b("+n.properties.join("|")+")(?!:)","gi");e=t("valueProperties","\b",":(.+?);",function(e){return e.replace(o,s+"$1")},e)}return r&&(e=t("selectors","","\b",n.prefixSelector,e),e=t("atrules","@","\b","@"+s+"$1",e)),e=e.replace(RegExp("-"+s,"g"),"-"),e=e.replace(/-*-(?=[a-z]+)/gi,n.prefix),e},property:function(e){return(n.properties.indexOf(e)?n.prefix:"")+e},value:function(e,r){return e=t("functions","(^|\s|,)","\s*\(","$1"+n.prefix+"$2(",e),e=t("keywords","(^|\s)","(\s|$)","$1"+n.prefix+"$2$3",e),e},prefixSelector:function(e){return e.replace(/^:{1,2}/,function(e){return e+n.prefix})},prefixProperty:function(e,t){var r=n.prefix+e;return t?StyleFix.camelCase(r):r}};(function(){var e={},t=[],r={},i=getComputedStyle(document.documentElement,null),s=document.createElement("div").style,o=function(n){if(n.charAt(0)==="-"){t.push(n);var r=n.split("-"),i=r[1];e[i]=++e[i]||1;while(r.length>3){r.pop();var s=r.join("-");u(s)&&t.indexOf(s)===-1&&t.push(s)}}},u=function(e){return StyleFix.camelCase(e)in s};if(i.length>0)for(var a=0;a<i.length;a++)o(i[a]);else for(var f in i)o(StyleFix.deCamelCase(f));var l={uses:0};for(var c in e){var h=e[c];l.uses<h&&(l={prefix:c,uses:h})}n.prefix="-"+l.prefix+"-",n.Prefix=StyleFix.camelCase(n.prefix),n.properties=[];for(var a=0;a<t.length;a++){var f=t[a];if(f.indexOf(n.prefix)===0){var p=f.slice(n.prefix.length);u(p)||n.properties.push(p)}}n.Prefix=="Ms"&&!("transform"in s)&&!("MsTransform"in s)&&"msTransform"in s&&n.properties.push("transform","transform-origin"),n.properties.sort()})(),function(){function i(e,t){return r[t]="",r[t]=e,!!r[t]}var e={"linear-gradient":{property:"backgroundImage",params:"red, teal"},calc:{property:"width",params:"1px + 5%"},element:{property:"backgroundImage",params:"#foo"},"cross-fade":{property:"backgroundImage",params:"url(a.png), url(b.png), 50%"}};e["repeating-linear-gradient"]=e["repeating-radial-gradient"]=e["radial-gradient"]=e["linear-gradient"];var t={initial:"color","zoom-in":"cursor","zoom-out":"cursor",box:"display",flexbox:"display","inline-flexbox":"display",flex:"display","inline-flex":"display",grid:"display","inline-grid":"display","min-content":"width"};n.functions=[],n.keywords=[];var r=document.createElement("div").style;for(var s in e){var o=e[s],u=o.property,a=s+"("+o.params+")";!i(a,u)&&i(n.prefix+a,u)&&n.functions.push(s)}for(var f in t){var u=t[f];!i(f,u)&&i(n.prefix+f,u)&&n.keywords.push(f)}}(),function(){function s(e){return i.textContent=e+"{}",!!i.sheet.cssRules.length}var t={":read-only":null,":read-write":null,":any-link":null,"::selection":null},r={keyframes:"name",viewport:null,document:'regexp(".")'};n.selectors=[],n.atrules=[];var i=e.appendChild(document.createElement("style"));for(var o in t){var u=o+(t[o]?"("+t[o]+")":"");!s(u)&&s(n.prefixSelector(u))&&n.selectors.push(o)}for(var a in r){var u=a+" "+(r[a]||"");!s("@"+u)&&s("@"+n.prefix+u)&&n.atrules.push(a)}e.removeChild(i)}(),n.valueProperties=["transition","transition-property"],e.className+=" "+n.prefix,StyleFix.register(n.prefixCSS)}(document.documentElement);
</script>
</head>
<body>
<canvas></canvas>
<script>
bgColor = '#111';
gravity = 0.03;
particleColor = '#f73';
canvas = document.querySelector('canvas');
ctx = canvas.getContext('2d');
(onresize = function(){
width = canvas.width = canvas.clientWidth;
height = canvas.height = canvas.clientHeight;
o = {x:Math.floor(width/2),y:Math.floor(height/2)};
edge = {top:-o.y,right:width-o.x,bottom:height-o.y,left:-o.x}
})();
particles = {};
newParticle = (function(){
var nextIndex = 0;
return function(x,y,r,o,c,xv,yv,rv,ov){
particles[++nextIndex] = {
index: nextIndex,
x: x,
y: y,
r: r,
o: o,
c: c,
xv: xv,
yv: yv,
rv: rv,
ov: ov
};
};
})();
fireballs = {};
newFireball = (function(){
var nextIndex = 0;
return function(x,y,xv,yv,life){
fireballs[++nextIndex] = {
index: nextIndex,
x: x,
y: y,
xv: xv,
yv: yv,
life: life
};
};
})();
mouse = {x:0,y:0,d:0};
onmousemove = function(e){
mouse.x = e.clientX-o.x;
mouse.y = e.clientY-o.y;
var dx = mouse.x - pos1.x,
dy = mouse.y - pos1.y;
mouse.d = Math.sqrt(dx*dx+dy*dy);
};
charging = false;
pos1 = {x:0,y:0};
showInstructions = true;
onmousedown = function(e){
pos1.x = mouse.x;
pos1.y = mouse.y;
charging = true;
showInstructions = false;
};
onmouseup = function(){
if(charging){
newFireball(
mouse.x,
mouse.y,
(pos1.x-mouse.x)*0.03,
(pos1.y-mouse.y)*0.03,
600
);
charging = false;
}
};
time = 0;
requestAnimationFrame(loop = function(){
ctx.setTransform(1,0,0,1,0,0);
ctx.globalCompositeOperation = 'source-over';
ctx.globalAlpha = 1;
ctx.fillStyle = bgColor;
ctx.fillRect(0,0,width,height);
ctx.translate(o.x,o.y);
if(charging){
var c = Math.floor(30+mouse.d/2);
ctx.strokeStyle = 'rgba('+c+','+c+','+c+',1)';
ctx.lineWidth = 4;
ctx.beginPath();
ctx.moveTo(pos1.x,pos1.y);
ctx.lineTo(mouse.x,mouse.y);
ctx.lineCap = 'round';
ctx.stroke();
}
if(showInstructions){
pos1.x = -70;
pos1.y = -35;
if(time<10){
var x = -70,
y = -35,
r = 30-time*2,
a = time/10;
}else if(time<80){
var x = (time-10)*2-70,
y = (time-10)-35,
r = 10,
a = 1;
}else if(time<90){
var x = 70,
y = 35,
r = 10+(time-80)*2,
a = 1-(time-80)/10;
}else if(time<140){
var x = 70,
y = 35,
r = 30,
a = 0;
}
var dx = pos1.x-x,
dy = pos1.y-y,
d = Math.sqrt(dx*dx+dy*dy);
if(time<80&&time>10){
ctx.globalCompositeOperation = 'source-over';
ctx.globalAlpha = 1;
var c = Math.floor(30+d/2);
ctx.strokeStyle = 'rgba('+c+','+c+','+c+',1)';
ctx.lineWidth = 4;
ctx.beginPath();
ctx.moveTo(pos1.x,pos1.y);
ctx.lineTo(x,y);
ctx.lineCap = 'round';
ctx.stroke();
}
if(time<140){
ctx.globalCompositeOperation = 'source-over';
ctx.globalAlpha = a;
ctx.beginPath();
ctx.arc(x,y,r,0,Math.PI*2);
ctx.lineWidth = 2;
ctx.strokeStyle = '#aaa';
ctx.stroke();
}
if(time==80){
newFireball(
x,
y,
dx*0.03,
dy*0.03,
240
);
}
time = (time+1)%180;
}
ctx.globalCompositeOperation = 'lighter';
for(var i in particles){
var p = particles[i];
ctx.beginPath();
ctx.arc(p.x,p.y,p.r,0,Math.PI*2);
ctx.globalAlpha = p.o;
ctx.fillStyle = p.c;
ctx.fill();
}
for(var i in particles){
var p = particles[i];
p.x += p.xv;
p.y += p.yv;
p.r += p.rv;
p.o += p.ov;
if(p.r<0)delete particles[p.index];
if(p.o<0)delete particles[p.index];
}
for(var i in fireballs){
f = fireballs[i];
var numParticles = Math.sqrt(f.xv*f.xv+f.yv*f.yv)/5;
if(numParticles<1)numParticles=1;
var numParticlesInt = Math.ceil(numParticles),
numParticlesDif = numParticles/numParticlesInt;
for(var j=0;j<numParticlesInt;j++){
newParticle(
f.x-f.xv*j/numParticlesInt,
f.y-f.yv*j/numParticlesInt,
7,
numParticlesDif,
particleColor,
Math.random()*0.6-0.3,
Math.random()*0.6-0.3,
-0.3,
-0.05*numParticlesDif
);
}
f.x += f.xv;
f.y += f.yv;
f.yv += gravity;
var boundary;
if(f.y<(boundary = edge.top+7)){
f.y = boundary;
f.yv *= -1;
}else if(f.y>(boundary = edge.bottom-7)){
f.y = boundary;
f.yv *= -1;
}
if(f.x>(boundary = edge.right-7)){
f.x = boundary;
f.xv *= -1;
}else if(f.x<(boundary = edge.left+7)){
f.x = boundary;
f.xv *= -1;
}
if(--f.life<0)delete fireballs[f.index];
}
requestAnimationFrame(loop);
});
</script>
</body>
</html>
