Created
May 28, 2013 14:58
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trying to get velocity for both axis.
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var btnPressed; | |
var distance = [ 0, 0 ]; | |
var coords = [ 0, 0 ]; | |
var trackMovment = function( evt ) { | |
distance[0] += Math.abs( evt.pageX - coords[ 0 ] ); | |
distance[1] += Math.abs( evt.pageY - coords[ 1 ] ); | |
coords[0] = evt.pageX; | |
coords[1] = evt.pageY; | |
}; | |
document.body.addEventListener('mousedown', function( evt ) { | |
distance = [ 0, 0 ]; | |
coords = [ 0, 0 ]; | |
btnPressed = new Date().getTime(); | |
document.body.addEventListener('mousemove', trackMovment ); | |
}); | |
document.body.addEventListener('mouseup', function( evt ) { | |
document.body.removeEventListener('mousemove', trackMovment ); | |
var elapsed = new Date().getTime() - btnPressed; | |
var velocity = [ distance[0]/elapsed, distance[1] / elapsed ]; | |
window.external.notify( velocity[0] + ' ' + velocity[1] ); | |
}); |
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