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/**
* QLIB 1.0 Sprite Object
* Copyright (C) 2002 2003, Quazzle.com Serge Dolgov
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* http://qlib.quazzle.com
*/
function QSprite_load(src) {
if (src) {
this.face = new Image(this.cwidth, this.cheight);
this.face.src = src;
this.valid = false;
}
}
function QSprite_show(show) {
if (show && !this.valid && this.face.complete) {
this._img.src = this.face.src;
this.valid = true;
}
this._show(show);
}
function QSprite_moveTo(x, y) {
this.stop();
this._move(x, y);
}
function QSprite_slideTo(x, y) {
this.stop();
if (this.visible) {
this.doSlide(++this._spro, x, y);
} else {
this.moveTo(x, y);
}
}
function QSprite_shake() {
this.stop();
if (this.visible) {
this.doShake(++this._spro, 0, this.x, this.y);
}
}
function QSprite_stop() {
this._spro++;
if (this._sprt) {
clearTimeout(this._sprt);
this._sprt = false;
}
}
function QSprite_doSlide(id, x, y) {
if (this._spro == id) {
this._sprt = false;
var dx = Math.round(x - this.x);
var dy = Math.round(y - this.y);
if (dx || dy) {
if (dx) dx = dx > 0 ? Math.ceil(dx/4) : Math.floor(dx/4);
if (dy) dy = dy > 0 ? Math.ceil(dy/4) : Math.floor(dy/4);
this._move(this.x + dx, this.y + dy);
this._sprt = setTimeout(this.name + ".doSlide(" + id + "," + x + "," + y + ")", 30);
} else {
this._move(x, y);
}
}
}
function QSprite_doShake(id, phase, x, y) {
if (this._spro == id) {
this._sprt = false;
if (phase < 20) {
var m = 3 * Math.sin(.16 * phase);
this._move(x + m * Math.sin(phase), y + m * Math.cos(phase));
this._sprt = setTimeout(this.name + ".doShake(" + id + "," + (++phase) + "," + x + "," + y + ")", 20);
} else {
this._move(x, y);
}
}
}
function QSprite_doClick() {
if (!this._sprt) {
this.onClick(this.tag);
}
return false;
}
function QSprite(parent, name, x, y, width, height, src, visible, effects, opacity, zindex) {
this.init(parent, name);
this.x = x - 0;
this.y = y - 0;
this.width = (this.cwidth = width - 0) + 8;
this.height = (this.cheight = height - 0) + 8;
var j = QSprite.arguments.length;
this.visible = (j > 7) ? visible : true;
this.effects = (j > 8) ? effects : 0;
this.opacity = (j > 9) ? opacity : 100;
this.zindex = (j > 10) ? zindex : null;
this.valid = !!src;
this.content = '<a href="#" title="" onclick="return false" onmousedown="return ' + this.name +
'.doClick()" onmouseover="window.top.status=\'\';return true" hidefocus="true" unselectable="on"><img name="' +
this.id + '" src="' + (src || '') + '" border="0" width="' + this.cwidth + '" height="' + this.cheight +
'" alt="" unselectable="on"></a>';
this.doClick = QSprite_doClick;
this.doSlide = QSprite_doSlide;
this.doShake = QSprite_doShake;
this.onClick = QControl.event;
this.create();
this.face = this._img = this.document.images[this.id] || new Image(1, 1);
this._spro = 0;
this._sprt = false;
this._show = this.show;
this._move = this.moveTo;
this.load = QSprite_load;
this.show = QSprite_show;
this.moveTo = QSprite_moveTo;
this.slideTo = QSprite_slideTo;
this.shake = QSprite_shake;
this.stop = QSprite_stop;
}
QSprite.prototype = new QWndCtrl();
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