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Let config.stage accept an element or a string #3

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5940f3e
adding events for start, rotate, release and fullStop
ccoenen May 8, 2012
cbe2d93
configuring the stage now also accepts a pre-selected element
ccoenen May 15, 2012
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ var mytraqball = new Traqball(configurationObject);

``` js
{
stage: "stage", // id of block element. String, default value: <body>
stage: "stage", // id (String) of block element or selected DOM-Element. Default value: <body>
axis: [0.5,1,0.25], // X,Y,Z values of initial rotation vector. Array, default value: [1,0,0]
angle: 0.12, // Initial rotation angle in radian. Float, default value: 0.
perspective: perspectiveValue, // Perspective. Integer, default value 700.
Expand Down
39 changes: 33 additions & 6 deletions demo/js/traqball.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,10 @@

(function(){
var userAgent = navigator.userAgent.toLowerCase(),
startEvent = document.createEvent('HTMLEvents'),
rotateEvent = document.createEvent('HTMLEvents'),
releaseEvent = document.createEvent('HTMLEvents'),
fullStopEvent = document.createEvent('HTMLEvents'),
canTouch = "ontouchstart" in window,
prefix = cssPref = "",
requestAnimFrame, cancelAnimFrame;
Expand All @@ -29,7 +33,12 @@
}else{
prefix = "";
}


startEvent.initEvent("traqballStartRotate", true, true);
rotateEvent.initEvent("traqballRotate", true, true);
releaseEvent.initEvent("traqballRelease", true, true);
fullStopEvent.initEvent("traqballFullStop", true, true);

function bindEvent(target, type, callback, remove){
//translate events
var evType = type || "touchend",
Expand Down Expand Up @@ -79,7 +88,9 @@
})();

var Traqball = function(confObj){
this.config = {};
this.config = {
stage: document.body
};
this.box = null;

this.setup(confObj);
Expand Down Expand Up @@ -118,8 +129,11 @@
for(var prop in conf){
THIS.config[prop] = conf[prop];
}

stage = document.getElementById(THIS.config.stage) || document.getElementsByTagname("body")[0];

if (typeof THIS.config.stage === 'string') {
THIS.config.stage = document.getElementById(THIS.config.stage);
}
stage = THIS.config.stage;
pos = findPos(stage);
angle = THIS.config.angle || 0;
impulse = THIS.config.impulse === false ? false : true;
Expand Down Expand Up @@ -207,7 +221,9 @@
mouseDownVect = calcZvector(getCoords(e));
oldTime = curTime = new Date().getTime();
oldAngle = angle;


THIS.box.dispatchEvent(startEvent);

bindEvent(THIS.box,'touchstart', startrotation, "remove");
bindEvent(document, 'touchmove', rotate);
bindEvent(document, 'touchend', finishrotation);
Expand All @@ -220,6 +236,9 @@
bindEvent(document, 'touchend', finishrotation, "remove");
bindEvent(THIS.box, 'touchstart', startrotation);
calcSpeed();

THIS.box.dispatchEvent(releaseEvent);

if( impulse && delta > 0){
requestAnimFrame(slide);
}else if(!(isNaN(axis[0]) || isNaN(axis[1]) || isNaN(axis[2]))) {
Expand Down Expand Up @@ -264,7 +283,9 @@
//Only one thing left to do: Update the position of the box by applying a new transform:
// 2 transforms will be applied: the current rotation 3d and the start-matrix
THIS.box.style[cssPref+"Transform"] = "rotate3d("+ axis+","+angle+"rad) matrix3d("+startMatrix+")";

rotateEvent.data = {axis: axis, angle: angle};
THIS.box.dispatchEvent(rotateEvent);

curTime = new Date().getTime();
}

Expand All @@ -287,6 +308,8 @@
delta = delta > 0 ? delta-decr : 0;

THIS.box.style[cssPref+"Transform"] = "rotate3d("+ axis+","+angle+"rad) matrix3d("+startMatrix+")";
rotateEvent.data = {axis: axis, angle: angle};
THIS.box.dispatchEvent(rotateEvent);

if (delta === 0){
stopSlide();
Expand All @@ -298,8 +321,12 @@
function stopSlide(){
cancelAnimFrame(slide);
cleanupMatrix();

oldAngle = angle = 0;
delta = 0;

fullStopEvent.data = {matrix: startMatrix};
THIS.box.dispatchEvent(fullStopEvent);
}

//Some stupid matrix-multiplication.
Expand Down
39 changes: 33 additions & 6 deletions src/traqball.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,10 @@

(function(){
var userAgent = navigator.userAgent.toLowerCase(),
startEvent = document.createEvent('HTMLEvents'),
rotateEvent = document.createEvent('HTMLEvents'),
releaseEvent = document.createEvent('HTMLEvents'),
fullStopEvent = document.createEvent('HTMLEvents'),
canTouch = "ontouchstart" in window,
prefix = cssPref = "",
requestAnimFrame, cancelAnimFrame;
Expand All @@ -29,7 +33,12 @@
}else{
prefix = "";
}


startEvent.initEvent("traqballStartRotate", true, true);
rotateEvent.initEvent("traqballRotate", true, true);
releaseEvent.initEvent("traqballRelease", true, true);
fullStopEvent.initEvent("traqballFullStop", true, true);

function bindEvent(target, type, callback, remove){
//translate events
var evType = type || "touchend",
Expand Down Expand Up @@ -79,7 +88,9 @@
})();

var Traqball = function(confObj){
this.config = {};
this.config = {
stage: document.body
};
this.box = null;

this.setup(confObj);
Expand Down Expand Up @@ -118,8 +129,11 @@
for(var prop in conf){
THIS.config[prop] = conf[prop];
}

stage = document.getElementById(THIS.config.stage) || document.getElementsByTagname("body")[0];

if (typeof THIS.config.stage === 'string') {
THIS.config.stage = document.getElementById(THIS.config.stage);
}
stage = THIS.config.stage;
pos = findPos(stage);
angle = THIS.config.angle || 0;
impulse = THIS.config.impulse === false ? false : true;
Expand Down Expand Up @@ -207,7 +221,9 @@
mouseDownVect = calcZvector(getCoords(e));
oldTime = curTime = new Date().getTime();
oldAngle = angle;


THIS.box.dispatchEvent(startEvent);

bindEvent(THIS.box,'touchstart', startrotation, "remove");
bindEvent(document, 'touchmove', rotate);
bindEvent(document, 'touchend', finishrotation);
Expand All @@ -220,6 +236,9 @@
bindEvent(document, 'touchend', finishrotation, "remove");
bindEvent(THIS.box, 'touchstart', startrotation);
calcSpeed();

THIS.box.dispatchEvent(releaseEvent);

if( impulse && delta > 0){
requestAnimFrame(slide);
}else if(!(isNaN(axis[0]) || isNaN(axis[1]) || isNaN(axis[2]))) {
Expand Down Expand Up @@ -264,7 +283,9 @@
//Only one thing left to do: Update the position of the box by applying a new transform:
// 2 transforms will be applied: the current rotation 3d and the start-matrix
THIS.box.style[cssPref+"Transform"] = "rotate3d("+ axis+","+angle+"rad) matrix3d("+startMatrix+")";

rotateEvent.data = {axis: axis, angle: angle};
THIS.box.dispatchEvent(rotateEvent);

curTime = new Date().getTime();
}

Expand All @@ -287,6 +308,8 @@
delta = delta > 0 ? delta-decr : 0;

THIS.box.style[cssPref+"Transform"] = "rotate3d("+ axis+","+angle+"rad) matrix3d("+startMatrix+")";
rotateEvent.data = {axis: axis, angle: angle};
THIS.box.dispatchEvent(rotateEvent);

if (delta === 0){
stopSlide();
Expand All @@ -298,8 +321,12 @@
function stopSlide(){
cancelAnimFrame(slide);
cleanupMatrix();

oldAngle = angle = 0;
delta = 0;

fullStopEvent.data = {matrix: startMatrix};
THIS.box.dispatchEvent(fullStopEvent);
}

//Some stupid matrix-multiplication.
Expand Down