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| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Gryro With React</title>
<style>
body {
height: 100vh;
margin: 0;
display: grid;
place-items: center;
}
.box {
width: auto;
}
.bg {
margin: 0 auto;
width: 85.06666667vw;
height: 55vw;
background-image: url("https://i.imgur.com/FZNcwts.png");
background-size: contain;
background-position: center;
background-repeat: no-repeat;
position: relative;
}
.bg .hiddenText {
font-size: 3.7vw;
transform: translateZ(0);
position: absolute;
box-sizing: border-box;
padding-top: 12.26666667vw;
left: 0;
width: 100%;
height: 100%;
text-align: center;
-webkit-mask-size: 34.13333333vw 34.13333333vw;
mask-size: 34.13333333vw 34.13333333vw;
-webkit-mask-image: url("https://i.imgur.com/nWRUuqv.png");
mask-image: url("https://i.imgur.com/nWRUuqv.png");
-webkit-mask-repeat: no-repeat;
mask-repeat: no-repeat;
transition: all ease 0.2s;
-webkit-mask-position: 25.565617vw 6.13333333vw;
mask-position: 25.565617vw 6.13333333vw;
}
.bg .lens {
position: absolute;
top: 6.13333333vw;
left: 25.33333333vw;
background-image: url("https://i.imgur.com/FOUMIQ6.png");
background-size: 100% 100%;
background-repeat: no-repeat;
width: 34.13333333vw;
height: 34.13333333vw;
transition: transform ease 0.2s;
transform: translateX(74.9%);
}
</style>
</head>
<body>
<div id="root"></div>
<script type="module">
import React, {
useCallback,
useEffect,
useState,
} from "https://esm.sh/react@18";
import ReactDOM from "https://esm.sh/react-dom@18";
import throttle from "https://cdn.skypack.dev/lodash@4.17.21/throttle";
const useDeviceOrientation = () => {
const [error, setError] = useState(null);
const [orientation, setOrientation] = useState(null);
const onDeviceOrientation = throttle((event) => {
setOrientation({
alpha: event.alpha,
beta: event.beta,
gamma: event.gamma,
});
}, 100);
const revokeAccessAsync = async () => {
window.removeEventListener("deviceorientation", onDeviceOrientation);
setOrientation(null);
};
const requestAccessAsync = async () => {
if (!DeviceOrientationEvent) {
setError(
new Error(
"Device orientation event is not supported by your browser"
)
);
return false;
}
if (
DeviceOrientationEvent.requestPermission &&
typeof DeviceMotionEvent.requestPermission === "function"
) {
let permission;
try {
permission = await DeviceOrientationEvent.requestPermission();
} catch (err) {
setError(err);
return false;
}
if (permission !== "granted") {
setError(
new Error(
"Request to access the device orientation was rejected"
)
);
return false;
}
}
window.addEventListener("deviceorientation", onDeviceOrientation);
return true;
};
const requestAccess = useCallback(requestAccessAsync, []);
const revokeAccess = useCallback(revokeAccessAsync, []);
useEffect(() => {
return () => {
revokeAccess();
};
}, [revokeAccess]);
return {
orientation,
error,
requestAccess,
revokeAccess,
};
};
const getTransformDegree = (value, threshold = 30, max = 74.9) => {
if (value) {
const sy = value > 0 ? "" : "-";
const degree = `${Math.min(
(Math.abs(value) / threshold) * 100,
max
)}`;
return Number(`${sy}${degree}`);
}
return 0;
};
const Demo = ({ orientation }) => {
const degree = getTransformDegree(
orientation === null || orientation === void 0
? void 0
: orientation.gamma
);
const yDegree = getTransformDegree(
orientation === null || orientation === void 0
? void 0
: orientation.beta,
20,
40
);
const transform = `translate(${degree}%, ${yDegree}%)`;
const maskPosition = `${25.565617 + (degree / 100) * 34.133}vw calc(${
25.565617 + (yDegree / 100) * 34.133
}vw - 18.4vw)`;
return React.createElement(
"div",
{ className: "bg" },
React.createElement(
"div",
{
className: "hiddenText",
style: {
maskPosition,
"-webkit-mask-position": maskPosition,
},
},
React.createElement("div", null, "Hidden Text"),
React.createElement("div", null, "Hidden Text"),
React.createElement("div", null, "Hidden Text"),
React.createElement("div", null, "Hidden Text")
),
React.createElement("div", {
className: "lens",
style: {
transform,
},
})
);
};
const App = () => {
const { orientation, requestAccess, revokeAccess, error } =
useDeviceOrientation();
const errorElement = error
? React.createElement("div", { className: "error" }, error.message)
: null;
return React.createElement(
"div",
{ className: "box" },
React.createElement(
"button",
{ onClick: requestAccess },
"Request For Gyro Access"
),
errorElement,
React.createElement(Demo, { orientation: orientation })
);
};
ReactDOM.render(
React.createElement(App, null),
document.getElementById("root")
);
</script>
</body>
</html>
|
Description Of Deviceorientation Data
Can I Use "Mask" In CSS