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Added pointer and tweaked the code 

modified:   css/reveal.css
modified:   css/reveal.min.css
modified:   plugin/leap/leap.js
This commit is contained in:
Rory Hardy 2013-08-05 22:41:04 -05:00
parent a06c84e42a
commit dbcbc7aa69
3 changed files with 81 additions and 16 deletions
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9
css/reveal.css
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@ -1605,3 +1605,12 @@ body {
}
/*********************************************
* LEAP PLUGIN
*********************************************/
#leap {
position: absolute;
z-index: 50;
visibility: hidden;
}

8
css/reveal.min.css vendored
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File diff suppressed because one or more lines are too long

80
plugin/leap/leap.js
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@ -22,27 +22,75 @@ var b=right.criteria;if(a!==b){if(a>b||a===void 0)return 1;if(a<b||b===void 0)re
(function () {
var controller = new Leap.Controller({enableGestures: true}),
config = Reveal.getConfig().leap ||
{
naturalSwipe: true
};
leapConfig = Reveal.getConfig().leap,
leapDOM = document.createElement('div'),
body = document.body,
config = {
naturalSwipe : true,
pointerDefault : 15,
pointerColor : '#00aaff',
pointerOpacity : 0.75
};
// Merge user defined settings with defaults
if ( leapConfig ) {
for (key in leapConfig) {
config[key] = leapConfig[key];
}
}
leapDOM.id = 'leap';
leapDOM.style.filter = 'alpha(opacity="'+ config.pointerOpacity +'")';
leapDOM.style.opacity = config.pointerOpacity;
leapDOM.style.backgroundColor = config.pointerColor;
body.appendChild(leapDOM);
controller.on('frame', function (frame) {
if ( frame.gestures.length > 0 ) {
var gesture = frame.gestures[0],
x = gesture.direction[0],
y = gesture.direction[1];
// Pointer code
if ( frame.hands.length === 1 && frame.fingers.length === 1 ) {
var size = -2 * frame.hands[0].palmPosition[2];
if ( gesture.speed > 1000 && gesture.state === 'start' && gesture.type === 'swipe' ) {
if( frame.hands.length === 1 && frame.fingers.length > 1 ) {
if ( size < config.pointerDefault ) {
size = config.pointerDefault
}
leapDOM.style.bottom =
frame.hands[0].palmPosition[1] * (body.offsetHeight / 100) - body.offsetHeight + 'px';
leapDOM.style.left =
frame.hands[0].palmPosition[0] * (body.offsetWidth / 100) + (body.offsetWidth / 2) + 'px';
leapDOM.style.visibility = 'visible';
leapDOM.style.width = size + 'px';
leapDOM.style.height = size + 'px';
leapDOM.style.borderRadius = size - 5 + 'px';
} else {
// Hide pointer on exit
leapDOM.style.visibility = 'hidden';
}
// Gestures
if ( frame.gestures.length > 0 ) {
var gesture = frame.gestures[0];
// One hand gestures
if( frame.hands.length === 1 ) {
// Swipe gestures. 2+ fingers.
if ( frame.fingers.length > 1 && gesture.speed > 1000 && gesture.state === 'start' && gesture.type === 'swipe' ) {
var x = gesture.direction[0],
y = gesture.direction[1];
// Left/right swipe gestures
if ( Math.abs(x) > Math.abs(y) ) {
if ( x > 0 ) {
config.naturalSwipe ? Reveal.left() : Reveal.right();
} else {
config.naturalSwipe ? Reveal.right() : Reveal.left();
}
// Up/down swipe gestures
} else {
if ( y > 0 ) {
config.naturalSwipe ? Reveal.down() : Reveal.up();
@ -50,10 +98,12 @@ var b=right.criteria;if(a!==b){if(a>b||a===void 0)return 1;if(a<b||b===void 0)re
config.naturalSwipe ? Reveal.up() : Reveal.down();
}
}
} else if( frame.hands.length == 2 ) {
if ( y > 0 ) {
Reveal.toggleOverview();
}
}
// Two hand gestures
} else if( frame.hands.length == 2 ) {
// All upwards 2 hand gestures = toggle overview
if ( gesture.direction[1] > 0 ) {
Reveal.toggleOverview();
}
}
}