overte/examples/rideAlongWithAParticleExample.js
2014-01-31 14:41:24 -08:00

50 lines
1.5 KiB
JavaScript

//
// rideAlongWithAParticleExample.js
// hifi
//
// Created by Brad Hefta-Gaub on 1/24/14.
// Copyright (c) 2014 HighFidelity, Inc. All rights reserved.
//
// This is an example script that demonstrates "finding" particles
//
var iteration = 0;
var lengthOfRide = 2000; // in iterations
var particleA = Particles.addParticle(
{
position: { x: 10, y: 0, z: 10 },
velocity: { x: 5, y: 0, z: 5 },
gravity: { x: 0, y: 0, z: 0 },
radius : 0.1,
color: { red: 0, green: 255, blue: 0 },
damping: 0,
lifetime: (lengthOfRide * 60) + 1
});
function rideWithParticle() {
if (iteration <= lengthOfRide) {
// Check to see if we've been notified of the actual identity of the particles we created
if (!particleA.isKnownID) {
particleA = Particles.identifyParticle(particleA);
}
var propertiesA = Particles.getParticleProperties(particleA);
var newPosition = propertiesA.position;
MyAvatar.position = { x: propertiesA.position.x,
y: propertiesA.position.y + 2,
z: propertiesA.position.z };
} else {
Script.stop();
}
iteration++;
print("iteration="+iteration);
}
// register the call back so it fires before each data send
Script.willSendVisualDataCallback.connect(rideWithParticle);