"use strict"; /* jslint vars: true, plusplus: true, forin: true*/ /* globals Tablet, Script, AvatarList, Users, Entities, MyAvatar, Camera, Overlays, Vec3, Quat, Controller, print, getControllerWorldLocation */ /* eslint indent: ["error", 4, { "outerIIFEBody": 0 }] */ // // tetherballStick.js // // Created by Triplelexx on 17/03/04 // Updated by MrRoboman on 17/03/26 // Copyright 2017 High Fidelity, Inc. // // Entity script for an equippable stick with a tethered ball // // Distributed under the Apache License, Version 2.0. // See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html (function() { var _this; var LIFETIME_IF_LEAVE_DOMAIN = 2; var LINE_WIDTH = 0.02; var COLLISION_SOUND_URL = "http://public.highfidelity.io/sounds/Footsteps/FootstepW3Left-12db.wav"; var TIP_OFFSET = 0.26; tetherballStick = function() { _this = this; }; tetherballStick.prototype = { getUserData: function() { try { var stickProps = Entities.getEntityProperties(this.entityID); var userData = JSON.parse(stickProps.userData); return userData; } catch (e) { print("Error parsing Tetherball Stick UserData in file " + e.fileName + " on line " + e.lineNumber); } }, preload: function(entityID) { this.entityID = entityID; var userData = this.getUserData(); this.ballID = userData.ballID; this.lineID = userData.lineID; this.actionID = userData.actionID; this.maxDistanceBetweenBallAndStick = userData.maxDistanceBetweenBallAndStick; }, update: function(dt) { _this.drawLine(); }, startEquip: function() { Script.update.disconnect(this.update); }, continueEquip: function(id, params) { var stickProps = Entities.getEntityProperties(this.entityID); [this.entityID, this.ballID, this.lineID].forEach(function(id) { Entities.editEntity(id, { lifetime: stickProps.age + LIFETIME_IF_LEAVE_DOMAIN }); }); this.updateOffsetAction(); this.capBallDistance(); this.drawLine(); }, releaseEquip: function() { var userData = this.getUserData(); [this.entityID, this.ballID, this.lineID].forEach(function(id) { Entities.editEntity(id, { lifetime: userData.lifetime }); }); Script.update.connect(this.update); }, getTipPosition: function() { var stickProps = Entities.getEntityProperties(this.entityID); var stickFront = Quat.getFront(stickProps.rotation); var frontOffset = Vec3.multiply(stickFront, TIP_OFFSET); var tipPosition = Vec3.sum(stickProps.position, frontOffset); return tipPosition; }, updateOffsetAction: function() { Entities.updateAction(this.ballID, this.actionID, { pointToOffsetFrom: this.getTipPosition() }); }, capBallDistance: function() { var stickProps = Entities.getEntityProperties(this.entityID); var ballProps = Entities.getEntityProperties(this.ballID); var tipPosition = this.getTipPosition(); var distance = Vec3.distance(tipPosition, ballProps.position); var maxDistance = this.maxDistanceBetweenBallAndStick; if(distance > maxDistance) { var direction = Vec3.normalize(Vec3.subtract(ballProps.position, tipPosition)); var newPosition = Vec3.sum(tipPosition, Vec3.multiply(maxDistance, direction)); Entities.editEntity(this.ballID, { position: newPosition }) } }, drawLine: function() { var stickProps = Entities.getEntityProperties(this.entityID); var tipPosition = this.getTipPosition(); var ballProps = Entities.getEntityProperties(this.ballID); var cameraQuat = Vec3.multiplyQbyV(Camera.getOrientation(), Vec3.UNIT_NEG_Z); var linePoints = []; var normals = []; var strokeWidths = []; linePoints.push(Vec3.ZERO); normals.push(cameraQuat); strokeWidths.push(LINE_WIDTH); linePoints.push(Vec3.subtract(ballProps.position, tipPosition)); normals.push(cameraQuat); strokeWidths.push(LINE_WIDTH); var lineProps = Entities.getEntityProperties(this.lineID); Entities.editEntity(this.lineID, { linePoints: linePoints, normals: normals, strokeWidths: strokeWidths, position: tipPosition, }); } }; // entity scripts should return a newly constructed object of our type return new tetherballStick(); });