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Added enity script for balloon spawner and sample json entity with userData to attach script to

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Johnathan Franck 2017-05-03 18:46:12 -04:00
parent 8507fffcc2
commit bc7ea11297
2 changed files with 201 additions and 0 deletions
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20
scripts/tutorials/entity_scripts/balloonSpawner/balloonSpawner.json Normal file
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{
"Entities": [
{
"description": "Spawns balloons",
"dimensions": {
"x": 2,
"y": 0.1,
"z": 2
},
"name": "Balloon Spawner",
"serverScripts": "https://s3.amazonaws.com/hifi-rabelaiis/spawnBalloons.js",
"type": "Shape",
"shape": "Cube",
"visible": "false",
"collisionless": "true",
"userData": "{\"spawnRate\":1000,\"xRangeMax\":1,\"zRangeMax\":1,\"gravityCoefficient\":0.25,\"balloonLifetime\":10,\"spawnTime\":300}"
}
],
"Version": 63
}

181
scripts/tutorials/entity_scripts/balloonSpawner/spawnBalloons.js Normal file
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"use strict";
//
// spawnBalloons.js
//
// Created by Johnathan Franck on 3 May 2017.
// Copyright 2017 High Fidelity, Inc.
//
// 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 RED_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/redBalloon.fbx";
var BLUE_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/blueBalloon.fbx";
var GREEN_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/greenBalloon.fbx";
var YELLOW_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/yellowBalloon.fbx";
var ORANGE_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/orangeBalloon.fbx";
var CYAN_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/cyanBalloon.fbx";
var PURPLE_BALLOON_URL = "https://s3.amazonaws.com/hifi-rabelaiis/purpleBalloon.fbx";
var BALLOON_COLORS = ["red", "blue", "green", "yellow", "orange", "cyan", "purple"];
var BALLOON_URLS = [RED_BALLOON_URL, BLUE_BALLOON_URL, GREEN_BALLOON_URL,
YELLOW_BALLOON_URL, ORANGE_BALLOON_URL, CYAN_BALLOON_URL, PURPLE_BALLOON_URL];
var NUM_COLORS = 7;
var COUNTDOWN_SECONDS = 9;
var spawnRate = 2000;
var xRangeMax = 1;
var zRangeMax = 1;
var gravityCoefficient = 0.25;
var balloonLifetime = 10;
var spawnTime = 300;
var spawnIntervalID;
var countdownIntervalID;
var countdownEntityID;
this.preload = function(pEntityID) {
startCountdown(pEntityID);
};
function startCountdown(pEntityID) {
var countdownSeconds = COUNTDOWN_SECONDS,
parentProperties = Entities.getEntityProperties(pEntityID, ["position"]),
countdownEntityProperties;
countdownEntityProperties = {
type: "Text",
text: countdownSeconds,
lineHeight: 0.71,
dimensions: {
x: 0.5,
y: 1,
z: 0.01
},
textColor: {
red: 0,
blue: 255,
green: 0
},
backgroundColor: {
red: 255,
blue: 255,
green: 255
},
parentID: pEntityID,
position: parentProperties.position
};
countdownEntityID = Entities.addEntity(countdownEntityProperties);
countdownIntervalID = Script.setInterval(function () {
countdownSeconds -= 1;
if (countdownSeconds < 0) {
Script.clearInterval(countdownIntervalID);
Entities.deleteEntity(countdownEntityID);
} else {
Entities.editEntity(countdownEntityID, {"text": countdownSeconds});
if (countdownSeconds === 0) {
spawnBalloons(pEntityID);
}
}
}, 1000);
}
function spawnBalloons(pEntityID) {
var parentProperties = Entities.getEntityProperties(pEntityID, ["position", "userData"]),
spawnerSettings,
spawnCount = 0;
if (parentProperties.userData){
spawnerSettings = JSON.parse(parentProperties.userData);
}
xRangeMax = !isNaN(spawnerSettings.xRangeMax) ? spawnerSettings.xRangeMax : xRangeMax;
zRangeMax = !isNaN(spawnerSettings.zRangeMax) ? spawnerSettings.zRangeMax : zRangeMax;
gravityCoefficient = !isNaN(spawnerSettings.gravityCoefficient) ? spawnerSettings.gravityCoefficient : gravityCoefficient;
spawnTime = !isNaN(spawnerSettings.spawnTime) ? spawnerSettings.spawnTime : spawnTime;
balloonLifetime = !isNaN(spawnerSettings.balloonLifetime) ? spawnerSettings.balloonLifetime : balloonLifetime;
spawnRate = !isNaN(spawnerSettings.spawnRate) ? spawnerSettings.spawnRate : spawnRate;
spawnIntervalID = Script.setInterval(function() {
var colorID = Math.floor(Math.random() * NUM_COLORS),
color = BALLOON_COLORS[colorID],
balloonURL = BALLOON_URLS[colorID],
balloonPosition = {},
balloonProperties;
spawnCount ++;
//Randomize balloon spawn position
balloonPosition.y = parentProperties.position.y + 0.5;
balloonPosition.x = parentProperties.position.x + (Math.random() - 0.5) * 2 * xRangeMax;
balloonPosition.z = parentProperties.position.z + (Math.random() - 0.5) * 2 * zRangeMax;
balloonProperties = {
position: balloonPosition,
lifetime: balloonLifetime,
angularVelocity: {
x: -0.03654664754867554,
y: -0.4030083637684583664 + Math.random(),
z: 0.02576472796499729
},
collisionsWillMove: 1,
density: 100,
description: "A happy " + color + " balloon",
dimensions: {
x: 0.3074322044849396,
y: 0.40930506587028503,
z: 0.30704551935195923
},
dynamic: 1,
gravity: {
x: 0,
y: gravityCoefficient,
z: 0
},
modelURL: balloonURL,
name: color + " balloon",
queryAACube: {
scale: 0.596927285194397,
x: -0.2984636425971985,
y: -0.2984636425971985,
z: -0.2984636425971985
},
restitution: 0.9900000095367432,
rotation: {
w: -0.10368101298809052,
x: 0.5171623826026917,
y: 0.1211432576179504,
z: -0.670971691608429 + Math.random()
},
shapeType: "sphere",
type : "Model",
velocity: {
x: 0.003623033408075571,
y: 0.0005839366931468248,
z: -0.01512028019875288
}
};
Entities.addEntity(balloonProperties);
//Stop spawning after spawnTime
if (spawnCount * spawnRate / 1000 > spawnTime){
Script.clearInterval(spawnIntervalID);
}
}, spawnRate);
}
this.unload = function(){
if (spawnIntervalID){
Script.clearInterval(spawnIntervalID);
}
if (countdownIntervalID){
Script.clearInterval(countdownIntervalID);
}
if (countdownEntityID){
Entities.deleteEntity(countdownEntityID);
}
};
});