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90 lines
No EOL
2.9 KiB
JavaScript
90 lines
No EOL
2.9 KiB
JavaScript
//
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// detectGrabExample.js
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// examples/entityScripts
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//
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// Created by Eric Levin on 9/21/15.
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// Copyright 2015 High Fidelity, Inc.
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//
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// This is an example of an entity script which when assigned to an entity, will detect when the entity is being grabbed by the hydraGrab script
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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(function() {
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var _this;
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// this is the "constructor" for the entity as a JS object we don't do much here, but we do want to remember
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// our this object, so we can access it in cases where we're called without a this (like in the case of various global signals)
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Whiteboard = function() {
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_this = this;
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};
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Whiteboard.prototype = {
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setRightHand: function() {
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this.hand = 'RIGHT';
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this.getHandPosition = MyAvatar.getRightPalmPosition;
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this.getHandRotation = MyAvatar.getRightPalmRotation;
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},
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setLeftHand: function() {
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this.hand = 'LEFT';
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this.getHandPosition = MyAvatar.getLeftPalmPosition;
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this.getHandRotation = MyAvatar.getLeftPalmRotation;
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},
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startNearGrabNonColliding: function() {
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print("START")
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this.whichHand = this.hand;
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this.laserPointer = Entities.addEntity({
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type: "Box",
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dimensions: {x: .02, y: .02, z: 0.001},
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color: {red: 200, green: 10, blue: 10},
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rotation: this.rotation
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});
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setEntityCustomData(this.resetKey, this.laserPointer, {
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resetMe: true
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});
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},
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continueNearGrabbingNonColliding: function() {
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var handPosition = this.getHandPosition();
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var pickRay = {
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origin: handPosition,
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direction: Quat.getUp(this.getHandRotation())
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};
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var intersection = Entities.findRayIntersection(pickRay, true);
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if(intersection.intersects) {
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Entities.editEntity(this.laserPointer, {
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position: intersection.intersection
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});
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}
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},
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releaseGrab: function() {
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Entities.deleteEntity(this.laserPointer);
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},
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// preload() will be called when the entity has become visible (or known) to the interface
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// it gives us a chance to set our local JavaScript object up. In this case it means:
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preload: function(entityID) {
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this.entityID = entityID;
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var props = Entities.getEntityProperties(this.entityID, ["position", "rotation"]);
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this.position = props.position;
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this.rotation = props.rotation;
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this.resetKey = "resetMe";
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},
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};
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// entity scripts always need to return a newly constructed object of our type
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return new Whiteboard();
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}) |