deblan-mirror/vanilla-tilt.js
deblan-mirror/vanilla-tilt.js
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mirror of https://github.com/micku7zu/vanilla-tilt.js synced 2024-06-10 17:52:14 +02:00
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Added startX and startY properties (#48)

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* Added startX and startY properties

* Added a couple lines of documentation
This commit is contained in:
Sander Moolin 2019-04-13 03:13:19 -04:00 committed by Șandor Sergiu
parent 581bfc6add
commit 5532251af8
1 changed files with 20 additions and 11 deletions
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31
src/vanilla-tilt.js
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@ -44,6 +44,7 @@ export default class VanillaTilt {
}
this.addEventListeners();
this.update();
}
isSettingTrue(setting) {
@ -231,22 +232,26 @@ export default class VanillaTilt {
}
getValues() {
let x, y;
let tiltX = 0;
let tiltY = 0;
let x = 0;
let y = 0;
if (this.fullPageListening) {
x = this.event.clientX / document.body.clientWidth;
y = this.event.clientY / document.body.clientHeight;
} else {
if (this.event){
x = (this.event.clientX - this.left) / this.width;
y = (this.event.clientY - this.top) / this.height;
x = Math.min(Math.max(x, 0), 1);
y = Math.min(Math.max(y, 0), 1);
tiltX = (this.reverse * (this.settings.max / 2 - x * this.settings.max)).toFixed(2);
tiltY = (this.reverse * (y * this.settings.max - this.settings.max / 2)).toFixed(2);
} else {
tiltX = this.settings.startY;
tiltY = this.settings.startX;
}
x = Math.min(Math.max(x, 0), 1);
y = Math.min(Math.max(y, 0), 1);
let tiltX = (this.reverse * (this.settings.max / 2 - x * this.settings.max)).toFixed(2);
let tiltY = (this.reverse * (y * this.settings.max - this.settings.max / 2)).toFixed(2);
let angle = Math.atan2(this.event.clientX - (this.left + this.width / 2), -(this.event.clientY - (this.top + this.height / 2))) * (180 / Math.PI);
x = Math.abs(tiltX / this.settings.max);
y = Math.abs(tiltY / this.settings.max);
let angle = Math.atan2(x, -y) * (180 / Math.PI);
return {
tiltX: tiltX,
@ -378,6 +383,8 @@ export default class VanillaTilt {
* @param {boolean} settings.reset - false = If the tilt effect has to be reset on exit
* @param {gyroscope} settings.gyroscope - Enable tilting by deviceorientation events
* @param {gyroscopeSensitivity} settings.gyroscopeSensitivity - Between 0 and 1 - The angle at which max tilt position is reached. 1 = 90deg, 0.5 = 45deg, etc..
* @param {tiltX} settings.tiltX - the starting tilt on the X axis, in degrees
* @param {tiltY} settings.tiltY - the starting tilt on the Y axis, in degrees
* @param {gyroscopeSamples} settings.gyroscopeSamples - How many gyroscope moves to decide the starting position.
*/
extendSettings(settings) {
@ -401,6 +408,8 @@ export default class VanillaTilt {
gyroscopeMaxAngleX: 45,
gyroscopeMinAngleY: -45,
gyroscopeMaxAngleY: 45,
startX: 0,
startY: 0,
gyroscopeSamples: 10
};