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  • Tip&Tech
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°£ÆíURL http://www.phpschool.com/link/tipntech/75330 º¹»ç

SyntaxHighlight·Î º¸±â

Link1 http://www.cafen.net/product/others.html?type=canvas&init=off&ca=fr&li¡¦ (205)

º£ÀÌÁö °î¼±Àº ¿©·¯°³ÀÇ Á¡À¸·Î ºÎÅÍ °î¼±À» À¯µµÇÒ ¼ö ÀÖ½À´Ï´Ù.

Á¦°¡ ÇÊ¿äÇØ¼­ ¸¸µç °Çµ¥ °î¼±À» ¸¸µé¾î ³»´Â ¾Ë°í¸®ÁòÀ» ¼³¸í µå¸®°Ú½À´Ï´Ù.



cafen.cPoint = function(x,y,z) {
this.x = x;
this.y = y;
this.z = z;
}

cafen.cPoint.prototype = {
x : null, y : null, z : null,
getMiddle : function (tPoint, rate) {
return this.clone().minus(tPoint).zoom(1-rate).plus(tPoint);
},
clone : function() {
return new cafen.cPoint(this.x, this.y, this.z);
},
plus : function(tPoint) {
return this.addx(tPoint.x).addy(tPoint.y).addz(tPoint.z);
},
minus : function(tPoint) {
return this.addx(tPoint.x *(-1)).addy(tPoint.y *(-1)).addz(tPoint.z *(-1));
},
zoomXyz : function(x,y,z) {
if (x != null)
this.x *= x;
if (y != null)
this.y *= y;
if (z != null)
this.z *= z;
return this;
},
zoom : function(rate) {
return this.zoomXyz(rate, rate,rate);
},
addx : function(x) {
if (x != null)
this.x += x;
return this;
},
addy : function(y) {
if (y != null)
this.y += y;
return this;
},
addz : function(z) {
if (z != null)
this.z += z;
return this;
}
}


function getBezier(percent,points) {
var len = points.length;
var nPoint = points;
while(nPoint.length > 1) {
var mPoint = [];
for(var i = 0 ; i < nPoint.length -1 ; i++)
mPoint.push(nPoint[i].getMiddle(nPoint[i+1], percent));
nPoint = mPoint;
}
return nPoint[0];
}

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