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travis
2026-04-02 16:12:40 -04:00
parent 2f0c937248
commit 595a890704
3 changed files with 160 additions and 94 deletions
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228
js/main.js
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@@ -1,7 +1,6 @@
(function (window) {
"use strict";
// Helper vars and functions.
function extend(a, b) {
for (var key in b) {
if (b.hasOwnProperty(key)) {
@@ -11,26 +10,6 @@
return a;
}
function getMousePos(e) {
var posx = 0,
posy = 0;
if (!e) var e = window.event;
if (e.pageX || e.pageY) {
posx = e.pageX;
posy = e.pageY;
} else if (e.clientX || e.clientY) {
posx =
e.clientX +
document.body.scrollLeft +
document.documentElement.scrollLeft;
posy =
e.clientY +
document.body.scrollTop +
document.documentElement.scrollTop;
}
return { x: posx, y: posy };
}
/**
* TiltFx obj.
*/
@@ -73,7 +52,9 @@
this.DOM.animatable.shine = this.DOM.el.querySelector(
".card__deco--shine > div"
);
this._gyroActive = false;
this._initEvents();
this._initGyro();
};
/**
@@ -89,75 +70,67 @@
};
this.mousemoveFn = function (ev) {
if (self._gyroActive) return;
requestAnimationFrame(function () {
self._layout(ev);
var bounds = self.DOM.el.getBoundingClientRect();
self._applyTilt(
ev.clientX - bounds.left,
ev.clientY - bounds.top,
bounds.width,
bounds.height
);
});
};
this.mouseleaveFn = function (ev) {
this.mouseleaveFn = function () {
requestAnimationFrame(function () {
for (var key in self.DOM.animatable) {
if (self.options.movement[key] == undefined) {
continue;
}
anime({
targets: self.DOM.animatable[key],
duration:
self.options.movement[key].reverseAnimation != undefined
? self.options.movement[key].reverseAnimation.duration || 0
: 1,
easing:
self.options.movement[key].reverseAnimation != undefined
? self.options.movement[key].reverseAnimation.easing || "linear"
: "linear",
elasticity:
self.options.movement[key].reverseAnimation != undefined
? self.options.movement[key].reverseAnimation.elasticity || null
: null,
scaleX: 1,
scaleY: 1,
scaleZ: 1,
translateX: 0,
translateY: 0,
translateZ: 0,
rotateX: 0,
rotateY: 0,
rotateZ: 0,
});
}
self._animateReset();
});
};
this.debounceLeaveFn = function (e) {
e.stopPropagation();
clearTimeout(self.timeout);
self.timeout = setTimeout(() => {
self.mouseleaveFn();
self.timeout = setTimeout(function () {
self._animateReset();
}, 25);
};
// Touch handlers
this.touchstartFn = function () {
if (self._gyroActive) return;
for (var key in self.DOM.animatable) {
anime.remove(self.DOM.animatable[key]);
}
};
this.touchmoveFn = function (ev) {
if (self._gyroActive) return;
var touch = ev.touches[0];
if (!touch) return;
requestAnimationFrame(function () {
var bounds = self.DOM.el.getBoundingClientRect();
self._applyTilt(
touch.clientX - bounds.left,
touch.clientY - bounds.top,
bounds.width,
bounds.height
);
});
};
this.DOM.el.addEventListener("mousemove", this.mousemoveFn);
this.DOM.el.addEventListener("mouseleave", this.mouseleaveFn);
this.DOM.el.addEventListener("mouseenter", this.mouseenterFn);
this.DOM.el.addEventListener("touchstart", this.touchstartFn, { passive: true });
this.DOM.el.addEventListener("touchmove", this.touchmoveFn, { passive: true });
this.DOM.el.addEventListener("touchend", this.debounceLeaveFn);
};
TiltFx.prototype._layout = function (ev) {
// Mouse position relative to the document.
var mousepos = getMousePos(ev),
// Document scrolls.
docScrolls = {
left: document.body.scrollLeft + document.documentElement.scrollLeft,
top: document.body.scrollTop + document.documentElement.scrollTop,
},
bounds = this.DOM.el.getBoundingClientRect(),
// Mouse position relative to the main element (this.DOM.el).
relmousepos = {
x: mousepos.x - bounds.left - docScrolls.left,
y: mousepos.y - bounds.top - docScrolls.top,
};
// Movement settings for the animatable elements.
/**
* Apply tilt from a relative position within the card.
*/
TiltFx.prototype._applyTilt = function (relX, relY, width, height) {
for (var key in this.DOM.animatable) {
if (
this.DOM.animatable[key] == undefined ||
@@ -166,13 +139,9 @@
continue;
}
var t =
this.options.movement[key] != undefined
? this.options.movement[key].translation || { x: 0, y: 0, z: 0 }
: { x: 0, y: 0, z: 0 },
this.options.movement[key].translation || { x: 0, y: 0, z: 0 },
r =
this.options.movement[key] != undefined
? this.options.movement[key].rotation || { x: 0, y: 0, z: 0 }
: { x: 0, y: 0, z: 0 },
this.options.movement[key].rotation || { x: 0, y: 0, z: 0 },
setRange = function (obj) {
for (var k in obj) {
if (obj[k] == undefined) {
@@ -188,20 +157,18 @@
var transforms = {
translation: {
x: ((t.x[1] - t.x[0]) / bounds.width) * relmousepos.x + t.x[0],
y: ((t.y[1] - t.y[0]) / bounds.height) * relmousepos.y + t.y[0],
z: ((t.z[1] - t.z[0]) / bounds.height) * relmousepos.y + t.z[0],
x: ((t.x[1] - t.x[0]) / width) * relX + t.x[0],
y: ((t.y[1] - t.y[0]) / height) * relY + t.y[0],
z: ((t.z[1] - t.z[0]) / height) * relY + t.z[0],
},
rotation: {
x: ((r.x[1] - r.x[0]) / bounds.height) * relmousepos.y + r.x[0],
y: ((r.y[1] - r.y[0]) / bounds.width) * relmousepos.x + r.y[0],
z: ((r.z[1] - r.z[0]) / bounds.width) * relmousepos.x + r.z[0],
x: ((r.x[1] - r.x[0]) / height) * relY + r.x[0],
y: ((r.y[1] - r.y[0]) / width) * relX + r.y[0],
z: ((r.z[1] - r.z[0]) / width) * relX + r.z[0],
},
};
this.DOM.animatable[key].style.WebkitTransform = this.DOM.animatable[
key
].style.transform =
this.DOM.animatable[key].style.transform =
"translateX(" +
transforms.translation.x +
"px) translateY(" +
@@ -218,5 +185,96 @@
}
};
/**
* Animate back to resting position.
*/
TiltFx.prototype._animateReset = function () {
for (var key in this.DOM.animatable) {
if (this.options.movement[key] == undefined) {
continue;
}
anime({
targets: this.DOM.animatable[key],
duration:
this.options.movement[key].reverseAnimation != undefined
? this.options.movement[key].reverseAnimation.duration || 0
: 1,
easing:
this.options.movement[key].reverseAnimation != undefined
? this.options.movement[key].reverseAnimation.easing || "linear"
: "linear",
elasticity:
this.options.movement[key].reverseAnimation != undefined
? this.options.movement[key].reverseAnimation.elasticity || null
: null,
scaleX: 1,
scaleY: 1,
scaleZ: 1,
translateX: 0,
translateY: 0,
translateZ: 0,
rotateX: 0,
rotateY: 0,
rotateZ: 0,
});
}
};
/**
* Init gyroscope / device orientation tilt.
* On iOS 13+ this requires a user gesture to request permission.
*/
TiltFx.prototype._initGyro = function () {
var self = this;
if (!window.DeviceOrientationEvent) return;
// iOS 13+ requires explicit permission request — skip those devices
if (typeof DeviceOrientationEvent.requestPermission === "function") return;
// On Android and other devices, test if events actually fire
var testHandler = function (e) {
if (e.gamma !== null && e.beta !== null) {
self._bindGyro();
}
window.removeEventListener("deviceorientation", testHandler);
};
window.addEventListener("deviceorientation", testHandler);
};
TiltFx.prototype._bindGyro = function () {
var self = this;
this._gyroActive = true;
// Stop any in-progress touch/mouse animations
for (var key in this.DOM.animatable) {
anime.remove(this.DOM.animatable[key]);
}
window.addEventListener("deviceorientation", function (e) {
requestAnimationFrame(function () {
// beta: front-back tilt (-180 to 180), gamma: left-right tilt (-90 to 90)
var beta = e.beta || 0;
var gamma = e.gamma || 0;
// Clamp to reasonable range
beta = Math.max(-30, Math.min(30, beta));
gamma = Math.max(-30, Math.min(30, gamma));
// Normalize to 0-1 range (centered at 0 degrees = 0.5)
var normX = (gamma + 30) / 60;
var normY = (beta + 30) / 60;
var bounds = self.DOM.el.getBoundingClientRect();
self._applyTilt(
normX * bounds.width,
normY * bounds.height,
bounds.width,
bounds.height
);
});
});
};
window.TiltFx = TiltFx;
})(window);