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80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
//
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// raypickTester.js
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//
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// Created by Humbletim on June 18th, 2018.
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// Copyright 2018 High Fidelity, Inc.
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// Copyright 2023 Overte e.V.
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//
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// display intersection details (including material) when hovering over entities/avatars/overlays
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//
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/* eslint-disable comma-dangle, no-empty, no-magic-numbers */
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var PICK_FILTERS = Picks.PICK_ENTITIES | Picks.PICK_OVERLAYS | Picks.PICK_AVATARS | Picks.PICK_INCLUDE_NONCOLLIDABLE;
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var HAND_JOINT = '_CAMERA_RELATIVE_CONTROLLER_RIGHTHAND'.replace('RIGHT', MyAvatar.getDominantHand().toUpperCase());
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var JOINT_NAME = HMD.active ? HAND_JOINT : 'Mouse';
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var UPDATE_MS = 1000/30;
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// create tect3d overlay to display hover results
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var overlayID = Entities.addEntity({
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"type": "Text",
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"text": "hover",
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"visible": false,
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"backgroundAlpha": 0,
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"billboardMode": "full",
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"lineHeight": 0.05,
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"dimensions": Vec3.HALF,
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}, "local");
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Script.scriptEnding.connect(function() {
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Entities.deleteEntity(overlayID);
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});
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// create raycast picker
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var pickID = Picks.createPick(PickType.Ray, {
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joint: JOINT_NAME,
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filter: PICK_FILTERS,
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enabled: true,
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});
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var blocklist = [ overlayID ]; // exclude hover text from ray pick results
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Picks.setIgnoreItems(pickID, blocklist);
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Script.scriptEnding.connect(function() {
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Picks.removePick(pickID);
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});
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// query object materials (using the Graphics.* API)
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function getSubmeshMaterial(objectID, shapeID) {
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try {
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var materialLayers = Graphics.getModel(objectID).materialLayers;
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var shapeMaterialLayers = materialLayers[shapeID];
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return shapeMaterialLayers[0].material;
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} catch (e) {
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return { name: '<unknown>' };
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}
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}
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// refresh hover overlay text based on intersection results
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function updateOverlay(overlayID, result) {
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var material = this.getSubmeshMaterial(result.objectID, result.extraInfo.shapeID);
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var position = Vec3.mix(result.searchRay.origin, result.intersection, 0.5);
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var extraInfo = result.extraInfo;
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var text = [
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'mesh: ' + extraInfo.subMeshName,
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'materialName: ' + material.name,
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'type: ' + Entities.getNestableType(result.objectID),
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'distance: ' + result.distance.toFixed(2)+'m',
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['submesh: ' + extraInfo.subMeshIndex, 'part: '+extraInfo.partIndex, 'shape: '+extraInfo.shapeID].join(' | '),
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].filter(Boolean).join('\n');
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Entities.editEntity(overlayID, {
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"text": text,
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"position": position,
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"visible": result.intersects
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});
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}
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// monitor for enw results at 30fps
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Script.setInterval(function() {
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var result = Picks.getPrevPickResult(pickID);
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updateOverlay(overlayID, result);
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}, UPDATE_MS);
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