// Define the id of your board in BOARDID
const board = JXG.JSXGraph.initBoard(BOARDID, {
axis: true,
boundingbox: [-2, 1.5, 2, -1.5],
keepaspectratio: true
});
var c = board.create('circle', [
[0, 0], 1
]);
var p = board.create('glider', [-1, 0.5, c], {
name: 'drag me'
}); // global variable
p.on('drag', function() {
document.getElementById('degrees').value = (Math.atan2(p.Y(), p.X()) * 180 / Math.PI).toFixed(0);
});
var setDirection = function() {
var phi = 1 * document.getElementById('degrees').value * Math.PI / 180.0;
var r = c.Radius();
p.moveTo([r * Math.cos(phi), r * Math.sin(phi)], 1000);
}
Copy to Clipboard
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'your_div_id'; // Insert your id here!
const board = JXG.JSXGraph.initBoard(BOARDID, {
axis: true,
boundingbox: [-2, 1.5, 2, -1.5],
keepaspectratio: true
});
var c = board.create('circle', [
[0, 0], 1
]);
var p = board.create('glider', [-1, 0.5, c], {
name: 'drag me'
}); // global variable
p.on('drag', function() {
document.getElementById('degrees').value = (Math.atan2(p.Y(), p.X()) * 180 / Math.PI).toFixed(0);
});
var setDirection = function() {
var phi = 1 * document.getElementById('degrees').value * Math.PI / 180.0;
var r = c.Radius();
p.moveTo([r * Math.cos(phi), r * Math.sin(phi)], 1000);
}
<input type="text" id="degrees">
<button onclick="setDirection()">set direction</button>
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
<div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></div>
</div>
<script type = "text/javascript">
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'board-0';
const board = JXG.JSXGraph.initBoard(BOARDID, {
axis: true,
boundingbox: [-2, 1.5, 2, -1.5],
keepaspectratio: true
});
var c = board.create('circle', [
[0, 0], 1
]);
var p = board.create('glider', [-1, 0.5, c], {
name: 'drag me'
}); // global variable
p.on('drag', function() {
document.getElementById('degrees').value = (Math.atan2(p.Y(), p.X()) * 180 / Math.PI).toFixed(0);
});
var setDirection = function() {
var phi = 1 * document.getElementById('degrees').value * Math.PI / 180.0;
var r = c.Radius();
p.moveTo([r * Math.cos(phi), r * Math.sin(phi)], 1000);
}
</script>
QR code for example "Bearing (bidirectional communication)"
Copy to Clipboard
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'your_div_id'; // Insert your id here!
const board = JXG.JSXGraph.initBoard(BOARDID, {
axis: true,
boundingbox: [-2, 1.5, 2, -1.5],
keepaspectratio: true
});
var c = board.create('circle', [
[0, 0], 1
]);
var p = board.create('glider', [-1, 0.5, c], {
name: 'drag me'
}); // global variable
p.on('drag', function() {
document.getElementById('degrees').value = (Math.atan2(p.Y(), p.X()) * 180 / Math.PI).toFixed(0);
});
var setDirection = function() {
var phi = 1 * document.getElementById('degrees').value * Math.PI / 180.0;
var r = c.Radius();
p.moveTo([r * Math.cos(phi), r * Math.sin(phi)], 1000);
}
<input type="text" id="degrees">
<button onclick="setDirection()">set direction</button>
<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
<div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></div>
</div>
<script type = "text/javascript">
/*
This example is licensed under a
Creative Commons Attribution 4.0 International License.
https://creativecommons.org/licenses/by/4.0/
Please note that you have to mention
The Center of Mobile Learning with Digital Technology
in the credits.
*/
const BOARDID = 'board-0';
const board = JXG.JSXGraph.initBoard(BOARDID, {
axis: true,
boundingbox: [-2, 1.5, 2, -1.5],
keepaspectratio: true
});
var c = board.create('circle', [
[0, 0], 1
]);
var p = board.create('glider', [-1, 0.5, c], {
name: 'drag me'
}); // global variable
p.on('drag', function() {
document.getElementById('degrees').value = (Math.atan2(p.Y(), p.X()) * 180 / Math.PI).toFixed(0);
});
var setDirection = function() {
var phi = 1 * document.getElementById('degrees').value * Math.PI / 180.0;
var r = c.Radius();
p.moveTo([r * Math.cos(phi), r * Math.sin(phi)], 1000);
}
</script>
QR code for example "Bearing (bidirectional communication)"