I've been maybe thinking this a bit too much and maybe that's why I'm
not able to come up with any kind of solution for my problem. The thing
is that I'm working on a website for a client and all the 'portfolio'
images should have a diagonal blinds effect (like diagonal lines that
expand to reveal the image). I'm using a separate prototype to draw the
actual blinds (or blocks) according to 4 xy coordinates passed to the
function, but the thing I'm struggling with is that who do I calculate
the coordinates..? I'm providing a little piece of code to further
express what I mean;
MovieClip.prototype.reveal=function() {
// the width of each of the blinds
this.blindSize=32;
this.currentSize=0;
this.mask=this.createEmptyMovieClip('mask',this.getNextHighestDepth());
// total count of blinds required to mask the whole movieclip area
this.blindCount=Math.round(this._width/this.blindSize);
this.setMask(this.mask);
this.$reveal=function() {
if(this.currentSize>=this.blindSize) {
clearInterval(this.reveali);
this.mask.removeMovieClip();
return;
}
this.mask.clear();
for(i=0;i<this.blindCount;i++) {
// this is where I need help; how do I figure out the coordinates
// in which to draw the blind?
this.mask.drawBlind(x1,y1,x2,y2,x3,y3,x4,y4);
// drawBlind is just a simple lineTo -> lineTo prototype..
}
this.currentSize++;
};
this.reveali=setInterval(this,'$reveal',50);
};
It would be no problem of course if the blinds would be drawn
horizonally or vertically but maybe I skipped too many math classes in
the past since I really can't figure our a method to calculate the
coordinates for the blinds that are drawn in 45 degree angle.. If
someone can come up with a way easily, I'd appreciate it a lot.
--
jp
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