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November 23, 2023 01:02
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<!doctype html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> | |
<meta name="viewport" content="width=device-width, initial-scale=1"> | |
<title>xeokit Example</title> | |
<link href="../css/pageStyle.css" rel="stylesheet"/> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/js/all.min.js"></script> | |
</head> | |
<body> | |
<input type="checkbox" id="info-button"/> | |
<label for="info-button" class="info-button"><i class="far fa-3x fa-question-circle"></i></label> | |
<canvas id="myCanvas"></canvas> | |
<div class="slideout-sidebar"> | |
<h1>Picking Objects</h1> | |
<h2>Click objects to pick them</h2> | |
<h3>Components Used</h3> | |
<ul> | |
<li> | |
<a href="../../docs/class/src/viewer/Viewer.js~Viewer.html" | |
target="_other">Viewer</a> | |
</li> | |
<li> | |
<a href="../../docs/class/src/plugins/XKTLoaderPlugin/XKTLoaderPlugin.js~XKTLoaderPlugin.html" | |
target="_other">XKTLoaderPlugin</a> | |
</li> | |
</ul> | |
</div> | |
</body> | |
<script type="module"> | |
import {Viewer, XKTLoaderPlugin} from "../../dist/xeokit-sdk.es.js"; | |
const viewer = new Viewer({ | |
canvasId: "myCanvas", | |
dtxEnabled: true // Enable data texture model representation | |
}); | |
viewer.camera.eye = [-3.93, 2.85, 27.01]; | |
viewer.camera.look = [4.40, 3.72, 8.89]; | |
viewer.camera.up = [-0.01, 0.99, 0.039]; | |
const xktLoader = new XKTLoaderPlugin(viewer); | |
const sceneModel = xktLoader.load({ | |
id: "myModel", | |
src: "../../assets/models/xkt/v10/glTF-Embedded/Duplex_A_20110505.glTFEmbedded.xkt", | |
edges: true | |
}); | |
//------------------------------------------------------------------------------------------------------------------ | |
// Mouse hover to snap to vertices | |
//------------------------------------------------------------------------------------------------------------------ | |
const markerDiv = document.createElement('div'); | |
const canvas = viewer.scene.canvas.canvas; | |
canvas.parentNode.insertBefore(markerDiv, canvas); | |
markerDiv.style.background = "black"; | |
markerDiv.style.border = "2px solid blue"; | |
markerDiv.style.borderRadius = "20px"; | |
markerDiv.style.width = "10px"; | |
markerDiv.style.height = "10px"; | |
markerDiv.style.margin = "-200px -200px"; | |
markerDiv.style.zIndex = "100"; | |
markerDiv.style.position = "absolute"; | |
markerDiv.style.pointerEvents = "none"; | |
// Mouse input | |
var lastEntity = null; | |
function updateCursorPosition(canvasPos) { | |
const snapPickResult = viewer.scene.snapPick({ | |
canvasPos, | |
snapRadius: 30, | |
snapToEdge: false, // Default is true | |
snapToVertex: true // Default is true | |
}); | |
if (snapPickResult && snapPickResult.snappedCanvasPos) { | |
markerDiv.style.marginLeft = `${snapPickResult.snappedCanvasPos[0] - 10}px`; | |
markerDiv.style.marginTop = `${snapPickResult.snappedCanvasPos[1] - 10}px`; | |
markerDiv.style.background = "greenyellow"; | |
markerDiv.style.border = "3px solid green"; | |
if (!lastEntity || (snapPickResult.snappedEntity && snapPickResult.snappedEntity.id !== lastEntity.id)) { | |
if (lastEntity) { | |
lastEntity.highlighted = false; | |
} | |
lastEntity = snapPickResult.snappedEntity; | |
if (snapPickResult.snappedEntity) { | |
snapPickResult.snappedEntity.highlighted = true; | |
} | |
} | |
} else { | |
markerDiv.style.marginLeft = `${canvasPos[0] - 10}px`; | |
markerDiv.style.marginTop = `${canvasPos[1] - 10}px`; | |
markerDiv.style.background = "white"; | |
markerDiv.style.border = "1px solid black"; | |
if (lastEntity) { | |
lastEntity.highlighted = false; | |
lastEntity = null; | |
} | |
} | |
} | |
function mouseUpdateCursorPosition(event) { | |
event.preventDefault(); | |
updateCursorPosition([event.clientX, event.clientY]); | |
} | |
function touchUpdateCursorPosition(event) { | |
event.preventDefault(); | |
const touch = event.touches[0]; | |
updateCursorPosition([touch.clientX, touch.clientY]); | |
} | |
document.addEventListener("mousemove", mouseUpdateCursorPosition); | |
document.addEventListener("touchstart", touchUpdateCursorPosition); | |
document.addEventListener("touchmove", touchUpdateCursorPosition); | |
</script> | |
</html> |
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