mirror of
https://github.com/overte-org/overte.git
synced 2025-04-19 15:03:53 +02:00
Firefly script
This commit is contained in:
PhilipRosedale
parent
87e7dd9ce3
commit
5487c4cdab
2 changed files with 189 additions and 0 deletions
100
examples/fireflies/firefly.js
Normal file
100
examples/fireflies/firefly.js
Normal file
|
|
@ -0,0 +1,100 @@
|
|||
//
|
||||
// A firefly which is animated by passerbys. It's physical, no gravity, periodic forces applied.
|
||||
// If a firefly is found to
|
||||
//
|
||||
|
||||
(function () {
|
||||
var entityID,
|
||||
timeoutID = null,
|
||||
properties,
|
||||
shouldSimulate = false,
|
||||
ACTIVE_CHECK_INTERVAL = 100, // milliseconds
|
||||
INACTIVE_CHECK_INTERVAL = 1000, // milliseconds
|
||||
MAX_DISTANCE_TO_SIMULATE = 20, // meters
|
||||
LIGHT_LIFETIME = 1400, // milliseconds a firefly light will stay alive
|
||||
BUMP_SPEED = 1.5, // average velocity given by a bump
|
||||
BUMP_CHANCE = 0.33,
|
||||
MIN_SPEED = 0.125, // below this speed, firefly gets a new bump
|
||||
SPIN_SPEED = 3.5,
|
||||
BRIGHTNESS = 0.25,
|
||||
wantDebug = false
|
||||
|
||||
function randomVector(size) {
|
||||
return { x: (Math.random() - 0.5) * size,
|
||||
y: (Math.random() - 0.5) * size,
|
||||
z: (Math.random() - 0.5) * size };
|
||||
}
|
||||
|
||||
function printDebug(message) {
|
||||
if (wantDebug) {
|
||||
print(message);
|
||||
}
|
||||
}
|
||||
|
||||
function maybe() {
|
||||
properties = Entities.getEntityProperties(entityID);
|
||||
var speed = Vec3.length(properties.velocity);
|
||||
var distance = Vec3.distance(MyAvatar.position, properties.position);
|
||||
printDebug("maybe: speed: " + speed + ", distance: " + distance);
|
||||
if (shouldSimulate) {
|
||||
// We are simulating this firefly, so do stuff:
|
||||
if (distance > MAX_DISTANCE_TO_SIMULATE) {
|
||||
shouldSimulate = false;
|
||||
} else if ((speed < MIN_SPEED) && (Math.random() < BUMP_CHANCE)) {
|
||||
bump();
|
||||
makeLight();
|
||||
}
|
||||
} else if (Vec3.length(properties.velocity) == 0.0) {
|
||||
// We've found a firefly that is not being simulated, so maybe take it over
|
||||
if (distance < MAX_DISTANCE_TO_SIMULATE) {
|
||||
shouldSimulate = true;
|
||||
}
|
||||
}
|
||||
timeoutID = Script.setTimeout(maybe, (shouldSimulate == true) ? ACTIVE_CHECK_INTERVAL : INACTIVE_CHECK_INTERVAL);
|
||||
}
|
||||
|
||||
function bump() {
|
||||
// Give the firefly a little brownian hop
|
||||
printDebug("bump!");
|
||||
var velocity = randomVector(BUMP_SPEED);
|
||||
if (velocity.y < 0.0) { velocity.y *= -1.0 };
|
||||
Entities.editEntity(entityID, { velocity: velocity,
|
||||
angularVelocity: randomVector(SPIN_SPEED) });
|
||||
}
|
||||
|
||||
function makeLight() {
|
||||
printDebug("make light!");
|
||||
// create a light attached to the firefly that lives for a while
|
||||
Entities.addEntity({
|
||||
type: "Light",
|
||||
name: "firefly light",
|
||||
intensity: 4.0 * BRIGHTNESS,
|
||||
falloffRadius: 8.0 * BRIGHTNESS,
|
||||
dimensions: {
|
||||
x: 30 * BRIGHTNESS,
|
||||
y: 30 * BRIGHTNESS,
|
||||
z: 30 * BRIGHTNESS
|
||||
},
|
||||
position: Vec3.sum(properties.position, { x: 0, y: 0.2, z: 0 }),
|
||||
parentID: entityID,
|
||||
color: {
|
||||
red: 150 + Math.random() * 100,
|
||||
green: 100 + Math.random() * 50,
|
||||
blue: 150 + Math.random() * 100
|
||||
},
|
||||
lifetime: LIGHT_LIFETIME / 1000
|
||||
});
|
||||
}
|
||||
|
||||
this.preload = function (givenEntityID) {
|
||||
printDebug("preload firefly...");
|
||||
entityID = givenEntityID;
|
||||
timeoutID = Script.setTimeout(maybe, ACTIVE_CHECK_INTERVAL);
|
||||
};
|
||||
this.unload = function () {
|
||||
printDebug("unload firefly...");
|
||||
if (timeoutID !== undefined) {
|
||||
Script.clearTimeout(timeoutID);
|
||||
}
|
||||
};
|
||||
})
|
||||
89
examples/fireflies/makeFireflies.js
Normal file
89
examples/fireflies/makeFireflies.js
Normal file
|
|
@ -0,0 +1,89 @@
|
|||
//
|
||||
// Created by Philip Rosedale on March 7, 2016
|
||||
// Copyright 2016 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
|
||||
//
|
||||
// Make some fireflies
|
||||
//
|
||||
|
||||
var SIZE = 0.05;
|
||||
var TYPE = "Box"; // Right now this can be "Box" or "Model" or "Sphere"
|
||||
var MODEL_URL = "http://s3.amazonaws.com/hifi-public/models/content/basketball2.fbx";
|
||||
var MODEL_DIMENSION = { x: 0.3, y: 0.3, z: 0.3 };
|
||||
//var ENTITY_URL = "file:///c:/users/dev/philip/examples/fireflies/firefly.js?"+Math.random()
|
||||
var ENTITY_URL = "https://s3.amazonaws.com/hifi-public/philip/firefly.js"
|
||||
|
||||
var RATE_PER_SECOND = 50; // The entity server will drop data if we create things too fast.
|
||||
var SCRIPT_INTERVAL = 100;
|
||||
var LIFETIME = 3600;
|
||||
|
||||
var NUMBER_TO_CREATE = 200;
|
||||
|
||||
var GRAVITY = { x: 0, y: -1.0, z: 0 };
|
||||
var VELOCITY = { x: 0.0, y: 0, z: 0 };
|
||||
var ANGULAR_VELOCITY = { x: 1, y: 1, z: 1 };
|
||||
|
||||
var DAMPING = 0.5;
|
||||
var ANGULAR_DAMPING = 0.5;
|
||||
|
||||
var collidable = true;
|
||||
var gravity = true;
|
||||
|
||||
|
||||
var x = 0;
|
||||
var z = 0;
|
||||
var totalCreated = 0;
|
||||
|
||||
var RANGE = 50;
|
||||
var HEIGHT = 3;
|
||||
var HOW_FAR_IN_FRONT_OF_ME = 1.0;
|
||||
|
||||
|
||||
var center = Vec3.sum(MyAvatar.position, Vec3.multiply(HOW_FAR_IN_FRONT_OF_ME, Quat.getFront(Camera.orientation)));
|
||||
|
||||
|
||||
function randomVector(range) {
|
||||
return {
|
||||
x: (Math.random() - 0.5) * range.x,
|
||||
y: (Math.random() - 0.5) * range.y,
|
||||
z: (Math.random() - 0.5) * range.z
|
||||
}
|
||||
}
|
||||
|
||||
Vec3.print("Center: ", center);
|
||||
|
||||
Script.setInterval(function () {
|
||||
if (!Entities.serversExist() || !Entities.canRez() || (totalCreated > NUMBER_TO_CREATE)) {
|
||||
return;
|
||||
}
|
||||
|
||||
var numToCreate = RATE_PER_SECOND * (SCRIPT_INTERVAL / 1000.0);
|
||||
for (var i = 0; (i < numToCreate) && (totalCreated < NUMBER_TO_CREATE); i++) {
|
||||
|
||||
var position = Vec3.sum(center, randomVector({ x: RANGE, y: HEIGHT, z: RANGE }));
|
||||
position.y += HEIGHT / 2.0;
|
||||
|
||||
Entities.addEntity({
|
||||
type: TYPE,
|
||||
modelURL: MODEL_URL,
|
||||
name: "firefly",
|
||||
position: position,
|
||||
dimensions: (TYPE == "Model") ? MODEL_DIMENSION : { x: SIZE, y: SIZE, z: SIZE },
|
||||
color: { red: 150 + Math.random() * 100, green: 100 + Math.random() * 50, blue: 0 },
|
||||
velocity: VELOCITY,
|
||||
angularVelocity: Vec3.multiply(Math.random(), ANGULAR_VELOCITY),
|
||||
damping: DAMPING,
|
||||
angularDamping: ANGULAR_DAMPING,
|
||||
gravity: (gravity ? GRAVITY : { x: 0, y: 0, z: 0}),
|
||||
dynamic: collidable,
|
||||
script: ENTITY_URL,
|
||||
lifetime: LIFETIME
|
||||
});
|
||||
|
||||
totalCreated++;
|
||||
print("Firefly #" + totalCreated);
|
||||
}
|
||||
}, SCRIPT_INTERVAL);
|
||||
|
||||
Loading…
Reference in a new issue