Déplacement d'une division dans une autre par rapport à la position du pointeur

**cerealkiller** · 23/02/2011, 17h24

Bonjour,

Voici l'url de ma page de test :
http://www.itch.fr/test/

J'ai développé un petit code javascript qui permet de déplacer une div dans une autre div en fonction de la position de la souris. Mais voilà, mon code ne s'exécute que quand la souris bouge… j'aimerais que ce mouvement se fasse en continu, en fonction de la position de la souris !
Voici mon code :

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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$(document).ready(function(){
	//Taille du div container 
	divwidth  = $("#book_container").width();
	milieu = divwidth/2;
	positionX=0;
	pixels=0;
	css=0;
 
	$("#book_container").resize(function(e){
		divwidth  = $("#book_container").width();
		milieu = divwidth/2;
	});
 
	$().mousemove(function(f){
		positionX = f.pageX;
 
		if (positionX<milieu){
			difference = milieu - positionX;
			ratio = difference/milieu;
			pixels = ratio*10;
		} else {
			difference = positionX - milieu;
			ratio = difference/milieu;
			pixels = -ratio*10;
		}
 
		$('#ma-zone').html("positionX : "+positionX+"<br>milieu : "+milieu+"<br>difference : "+difference+"<br>ratio : "+ratio+"<br>pixels : "+pixels+"<BR>css : "+css+"<BR>");
 
	css=parseInt($('#book_elements').css('left'));
	pixels=css*1+pixels*1;
	$("#book_elements").css("left",pixels);
	}); 
 
});

Merci de vos conseils...

**SpaceFrog** · 23/02/2011, 17h26

animate() ?

**Bovino** · 23/02/2011, 18h55

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

$().mousemove

$() renvoie un objet vide, donc certainement pas ce que tu souhaites

**danielhagnoul** · 24/02/2011, 00h44

Bonsoir

[Edit 2011-02-24 21:30]

Voici une nouvelle version de mon exemple. Elle corrige un bug, en effet il faut tenir compte des dimensions externes (bordures et marges comprises) de la division incluse.

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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<!doctype html>
<html lang="fr">
<head>
	<meta http-equiv="X-UA-Compatible" content="chrome=1">
	<meta charset="utf-8">
	<meta name="Author" content="Daniel Hagnoul">
	<title>Forum jQuery</title>
	<link rel="stylesheet" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/themes/humanity/jquery-ui.css">	
	<style>
		body { background-color:#dcdcdc; color:#000000; font-family:sans-serif; font-size:medium; font-style:normal;
		font-weight:normal; line-height:normal; letter-spacing:normal; }
		h1,h2,h3,h4,h5 { font-family:serif; }
		div,p,h1,h2,h3,h4,h5,h6,ul,ol,dl,form,table,img { margin:0px; padding:0px; }
		h1 { font-size:2em; text-shadow: 4px 4px 4px #bbbbbb; text-align:center; }
		p { padding:6px; }
		#conteneur { width:95%; min-width:800px; min-height:500px; margin:12px auto; background-color:#FFFFFF;
		color:#000000; border:1px solid #666666; }
 
		/* Test */
        #dvjhContainerID {
            position:relative;
            top:100px;
            left:100px;
            width:100px;
            height:100px;
            margin:24px;
            background-color:red;
            border:6px groove black;
        }
	</style>
</head>
<body>
	<h1>Forum jQuery</h1>
	<div id="conteneur">
        <div id="dvjhContainerID"></div>
	</div>
	<script charset="utf-8" src="http://code.jquery.com/jquery-1.5.min.js"></script>
	<script charset="utf-8" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js"></script>
	<script>
/*
 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 *
 * Uses the built in easing capabilities added In jQuery 1.1
 * to offer multiple easing options
 *
 * TERMS OF USE - jQuery Easing
 * 
 * Open source under the BSD License. 
 * 
 * Copyright Â© 2008 George McGinley Smith
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list 
 * of conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * 
 * Neither the name of the author nor the names of contributors may be used to endorse 
 * or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
*/
 
// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];
 
jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		//alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeInOutQuad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeInCubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeOutCubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeInOutCubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeInQuart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeOutQuart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeInOutQuart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeInQuint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeOutQuint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeInOutQuint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeInSine: function (x, t, b, c, d) {
		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
	},
	easeOutSine: function (x, t, b, c, d) {
		return c * Math.sin(t/d * (Math.PI/2)) + b;
	},
	easeInOutSine: function (x, t, b, c, d) {
		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
	},
	easeInExpo: function (x, t, b, c, d) {
		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
	},
	easeOutExpo: function (x, t, b, c, d) {
		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
	},
	easeInOutExpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
	},
	easeInCirc: function (x, t, b, c, d) {
		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
	},
	easeOutCirc: function (x, t, b, c, d) {
		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
	},
	easeInOutCirc: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
	},
	easeInElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
	},
	easeOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
	},
	easeInOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
	},
	easeInBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*(t/=d)*t*((s+1)*t - s) + b;
	},
	easeOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	},
	easeInOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158; 
		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
	},
	easeInBounce: function (x, t, b, c, d) {
		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
	},
	easeOutBounce: function (x, t, b, c, d) {
		if ((t/=d) < (1/2.75)) {
			return c*(7.5625*t*t) + b;
		} else if (t < (2/2.75)) {
			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
		} else if (t < (2.5/2.75)) {
			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
		} else {
			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
		}
	},
	easeInOutBounce: function (x, t, b, c, d) {
		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
	}
});
 
/*
 *
 * TERMS OF USE - EASING EQUATIONS
 * 
 * Open source under the BSD License. 
 * 
 * Copyright Â© 2001 Robert Penner
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of 
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list 
 * of conditions and the following disclaimer in the documentation and/or other materials 
 * provided with the distribution.
 * 
 * Neither the name of the author nor the names of contributors may be used to endorse 
 * or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
 */
		$(function(){
            var objA = $("#conteneur"),
                objB = $("#dvjhContainerID"),
                posY = objA.offset().top,
                posX = objA.offset().left,
                width = objA.innerWidth() - objB.outerWidth(true) + posX,
                height = objA.innerHeight() - objB.outerHeight(true) + posY;
 
            objA.mousemove(function(event){
                var x = event.pageX,
                    y = event.pageY;
 
                if ((x < width) && (y < height)){
                    objB.animate({top: y - posY, left: x - posX}, 15, "easeInOutElastic");
                }
            });
        });
	</script>
</body>  
</html>

**cerealkiller** · 24/02/2011, 08h09

@spacefrog : la fonction animate faisait partie de mes premiers tests, mais elle fonctionne si je souhaite qu'à un instant t, un mouvement se déclenche sur x pixels jusqu'à t + y millisecondes.
@danielhagnoul : même genre de problème, dans l'exemple avec easing, cest le mousemove qui déclenche l'action

En fait, je veux qu'à tout instant, si la souris est à gauche, le deuxième div se déplace à droite, et inversement (d'où les calculs de position). Mieux encore, si on est proche du milieu, c'est lent, et si on est proche du bord de la page, c'est rapide (d'où les calculs de distance et la façon dont le .css agit : on ajoute des pixels en fonction du ratio, plus ce dernier est grand, plus le déplacement est rapide).
Mon code fonctionne sauf que l'action se déclenche uniquement lors du mousemove. En fait, la souris arrêtée, je voudrais que le code continue de s'exécuter. si la souris reste dans la zone de droite, le div continue de se déplacer vers la gauche (left = left + x pixels avec x = ratio * 10).

La problématique était avant tout algorythmique, ce qui me bloque maintenant c'est bien cette notion de "à tout instant, exécuter .css()". J'ai essayé avec un settimeout, sans succès

**cerealkiller** · 24/02/2011, 13h22

J'ai trouvé !
Voilà le code retravaillé, seule la position de la souris est actualisée au mousemove, et le reste de l'effet est intégré dans un setinterval, qui effectue les calculs toutes les 5 millisecondes...

Code :

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$(document).ready(function(){
	//Taille du div container 
	divwidth  = $("#book_container").width();
	elementswidth  = $("#book_elements").width();
	milieu = divwidth/2;
	positionX=0;
	pixels=0;
	css=0;
 
	$(window).resize(function(e){
		divwidth  = $("#book_container").width();
		milieu = divwidth/2;
	});
 
	$().mousemove(function(f){
			positionX = f.pageX;
	}); 
	setInterval(function(g) {
			if (positionX<milieu){
				difference = milieu - positionX;
				ratio = difference/milieu;
				pixels = ratio*10;
			} else {
				difference = positionX - milieu;
				ratio = difference/milieu;
				pixels = -ratio*10;
			}
 
			$('#ma-zone').html("positionX : "+positionX+"<br>milieu : "+milieu+"<br>difference : "+difference+"<br>ratio : "+ratio+"<br>pixels : "+pixels+"<BR>css : "+css+"<BR>");
 
		css=parseInt($('#book_elements').css('left'));
		pixels=css*1+pixels*1;
		pixels_max=elementswidth*1-divwidth*1;
		if ((pixels<=0) && (pixels>=-pixels_max)) {
			$("#book_elements").css("left",pixels);
		}
	}, 5);
 
 
});

Déplacement d'une division dans une autre par rapport à la position du pointeur

jQuery

Vue hybride

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