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99 lines
3.6 KiB
JavaScript
99 lines
3.6 KiB
JavaScript
"use strict";
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/*jslint nomen: true, plusplus: true, vars: true*/
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var Vec3, Quat, MyAvatar, Entities, Camera, Script, print;
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//
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// Created by Howard Stearns
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// Copyright 2016 High Fidelity, Inc.
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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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// Drops a bunch of physical spheres in front of you, each running a script that will:
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// * Edit color at EDIT_RATE for EDIT_TIMEOUT.
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// * Randomly move at an average of MOVE_RATE for MOVE_TIMEOUT.
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// The _TIMEOUT parameters can be 0 for no activity, and -1 to be active indefinitely.
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//
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var NUMBER_TO_CREATE = 100;
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var LIFETIME = 120; // seconds
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var EDIT_RATE = 60; // hz
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var EDIT_TIMEOUT = -1;
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var MOVE_RATE = 1; // hz
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var MOVE_TIMEOUT = LIFETIME / 2;
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var SIZE = 0.5;
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var TYPE = "Sphere";
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// Note that when creating things quickly, the entity server will ignore data if we send updates too quickly.
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// like Internet MTU, these rates are set by th domain operator, so in this script there is a RATE_PER_SECOND
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// variable letting you set this speed. If entities are missing from the grid after a relog, this number
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// being too high may be the reason.
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var RATE_PER_SECOND = 600; // The entity server will drop data if we create things too fast.
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var SCRIPT_INTERVAL = 100;
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var GRAVITY = { x: 0, y: -9.8, z: 0 };
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var VELOCITY = { x: 0.0, y: 0, z: 0 };
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var ANGULAR_VELOCITY = { x: 1, y: 1, z: 1 };
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var DAMPING = 0.5;
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var ANGULAR_DAMPING = 0.5;
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var RANGE = 3;
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var HOW_FAR_IN_FRONT_OF_ME = RANGE * 3;
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var HOW_FAR_UP = RANGE / 1.5; // higher (for uneven ground) above range/2 (for distribution)
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var totalCreated = 0;
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var offset = Vec3.sum(Vec3.multiply(HOW_FAR_UP, Vec3.UNIT_Y),
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Vec3.multiply(HOW_FAR_IN_FRONT_OF_ME, Quat.getForward(Camera.orientation)));
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var center = Vec3.sum(MyAvatar.position, offset);
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function randomVector(range) {
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return {
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x: (Math.random() - 0.5) * range.x,
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y: (Math.random() - 0.5) * range.y,
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z: (Math.random() - 0.5) * range.z
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};
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}
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if (!Entities.canRezTmp()) {
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Window.alert("Cannot create temp objects here.");
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Script.stop();
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} else {
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Script.setInterval(function () {
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if (!Entities.serversExist()) {
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return;
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}
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if (totalCreated >= NUMBER_TO_CREATE) {
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print("Created " + totalCreated + " tribbles.");
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Script.stop();
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}
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var i, numToCreate = RATE_PER_SECOND * (SCRIPT_INTERVAL / 1000.0);
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var parameters = JSON.stringify({
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moveTimeout: MOVE_TIMEOUT,
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moveRate: MOVE_RATE,
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editTimeout: EDIT_TIMEOUT,
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editRate: EDIT_RATE,
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debug: {flow: false, send: false, receive: false}
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});
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for (i = 0; (i < numToCreate) && (totalCreated < NUMBER_TO_CREATE); i++) {
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Entities.addEntity({
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userData: parameters,
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type: TYPE,
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name: "tribble-" + totalCreated,
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position: Vec3.sum(center, randomVector({ x: RANGE, y: RANGE, z: RANGE })),
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dimensions: {x: SIZE, y: SIZE, z: SIZE},
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color: {red: Math.random() * 255, green: Math.random() * 255, blue: Math.random() * 255},
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velocity: VELOCITY,
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angularVelocity: Vec3.multiply(Math.random(), ANGULAR_VELOCITY),
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damping: DAMPING,
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angularDamping: ANGULAR_DAMPING,
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gravity: GRAVITY,
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collisionsWillMove: true,
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lifetime: LIFETIME,
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script: Script.resolvePath("tribbleEntity.js")
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});
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totalCreated++;
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}
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}, SCRIPT_INTERVAL);
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}
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