Vérifier
http://jsfiddle.net/arunberti/fSgPf/1/
$(document).ready(function() {
// the same as yours.
function rotateOnMouse(e, pw) {
var offset = pw.offset();
var center_x = (offset.left) + ($(pw).width()/2);
var center_y = (offset.top) + ($(pw).height()/2);
var mouse_x = e.pageX;
var mouse_y = e.pageY;
var radians = Math.atan2(mouse_x - center_x, mouse_y - center_y);
var degree = (radians * (180/Math.PI) * -1) + 100;
// window.console.log("de="+degree+","+radians);
$(pw).css('-moz-transform', 'rotate(' + degree + 'deg)');
$(pw).css('-webkit-transform', 'rotate(' + degree + 'deg)');
$(pw).css('-o-transform', 'rotate(' + degree + 'deg)');
$(pw).css('-ms-transform', 'rotate(' + degree + 'deg)');
}
$('.drop div img').mousedown(function(e) {
e.preventDefault(); // prevents the dragging of the image.
$(document).bind('mousemove.rotateImg', function(e2) {
rotateOnMouse(e2, $('.drop div img'));
});
});
$(document).mouseup(function(e) {
$(document).unbind('mousemove.rotateImg');
});
});
Utilisez JavaScript pour suivre la souris et mettre à jour le style. –
oui, mais comment puis-je convertir la position de la souris au degré de rotation? – Reuven