mirror of
https://github.com/Armored-Dragon/overte.git
synced 2025-03-11 16:13:16 +01:00
Add particle-based bird
This commit is contained in:
Philip Rosedale
parent
4296e5e81e
commit
b0e1018771
1 changed files with 172 additions and 0 deletions
172
examples/particleBird.js
Normal file
172
examples/particleBird.js
Normal file
|
|
@ -0,0 +1,172 @@
|
|||
//
|
||||
// particleBird.js
|
||||
// hifi
|
||||
//
|
||||
// This sample script moves a voxel around like a bird and sometimes makes tweeting noises
|
||||
//
|
||||
|
||||
function vLength(v) {
|
||||
return Math.sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
|
||||
}
|
||||
|
||||
function printVector(v) {
|
||||
print(v.x + ", " + v.y + ", " + v.z + "\n");
|
||||
}
|
||||
|
||||
// Create a random vector with individual lengths between a,b
|
||||
function randVector(a, b) {
|
||||
var rval = { x: a + Math.random() * (b - a), y: a + Math.random() * (b - a), z: a + Math.random() * (b - a) };
|
||||
return rval;
|
||||
}
|
||||
|
||||
function vMinus(a, b) {
|
||||
var rval = { x: a.x - b.x, y: a.y - b.y, z: a.z - b.z };
|
||||
return rval;
|
||||
}
|
||||
|
||||
function vPlus(a, b) {
|
||||
var rval = { x: a.x + b.x, y: a.y + b.y, z: a.z + b.z };
|
||||
return rval;
|
||||
}
|
||||
|
||||
function vCopy(a, b) {
|
||||
a.x = b.x;
|
||||
a.y = b.y;
|
||||
a.z = b.z;
|
||||
return;
|
||||
}
|
||||
|
||||
// Returns a vector which is fraction of the way between a and b
|
||||
function vInterpolate(a, b, fraction) {
|
||||
var rval = { x: a.x + (b.x - a.x) * fraction, y: a.y + (b.y - a.y) * fraction, z: a.z + (b.z - a.z) * fraction };
|
||||
return rval;
|
||||
}
|
||||
|
||||
// Decide what kind of bird we are
|
||||
var tweet;
|
||||
var color;
|
||||
var size;
|
||||
var which = Math.random();
|
||||
if (which < 0.2) {
|
||||
tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/bushtit_1.raw");
|
||||
color = { r: 100, g: 50, b: 120 };
|
||||
size = 0.08;
|
||||
} else if (which < 0.4) {
|
||||
tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/rosyfacedlovebird.raw");
|
||||
color = { r: 100, g: 150, b: 75 };
|
||||
size = 0.09;
|
||||
} else if (which < 0.6) {
|
||||
tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/saysphoebe.raw");
|
||||
color = { r: 84, g: 121, b: 36 };
|
||||
size = 0.05;
|
||||
} else if (which < 0.8) {
|
||||
tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/mexicanWhipoorwill.raw");
|
||||
color = { r: 23, g: 197, b: 230 };
|
||||
size = 0.12;
|
||||
} else {
|
||||
tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/westernscreechowl.raw");
|
||||
color = { r: 50, g: 67, b: 144 };
|
||||
size = 0.15;
|
||||
}
|
||||
|
||||
var startPosition = { x: 0, y: 0, z: 0 };
|
||||
var targetPosition = { x: 0, y: 0, z: 0 };
|
||||
|
||||
var range = 0.7; // Over what distance in meters do you want your bird to fly around
|
||||
var frame = 0;
|
||||
var moving = false;
|
||||
var tweeting = 0;
|
||||
var moved = false;
|
||||
|
||||
var CHANCE_OF_MOVING = 0.02;
|
||||
var CHANCE_OF_TWEETING = 0.01;
|
||||
var START_HEIGHT_ABOVE_ME = 2.0;
|
||||
|
||||
var myPosition = MyAvatar.position;
|
||||
|
||||
var properties = {
|
||||
position: { x: myPosition.x, y: myPosition.y + START_HEIGHT_ABOVE_ME, z: myPosition.z },
|
||||
velocity: { x: 0, y: 0, z: 0 },
|
||||
gravity: { x: 0, y: 0, z: 0 },
|
||||
radius : 0.1,
|
||||
color: { red: 0,
|
||||
green: 255,
|
||||
blue: 0 },
|
||||
lifetime: 60
|
||||
};
|
||||
|
||||
position = properties.position;
|
||||
|
||||
var range = 1.0; // Distance around avatar where I can move
|
||||
|
||||
// Create the actual bird
|
||||
var particleID = Particles.addParticle(properties);
|
||||
|
||||
function moveBird() {
|
||||
myPosition = MyAvatar.position;
|
||||
myPosition.y += START_HEIGHT_ABOVE_ME;
|
||||
frame++;
|
||||
if (frame % 3 == 0) {
|
||||
// Tweeting behavior
|
||||
if (tweeting == 0) {
|
||||
if (Math.random() < CHANCE_OF_TWEETING) {
|
||||
//print("tweet!" + "\n");
|
||||
var options = new AudioInjectionOptions();
|
||||
options.position = position;
|
||||
options.volume = 0.75;
|
||||
Audio.playSound(tweet, options);
|
||||
tweeting = 10;
|
||||
}
|
||||
} else {
|
||||
tweeting -= 1;
|
||||
}
|
||||
// Moving behavior
|
||||
if (moving == false) {
|
||||
if (Math.random() < CHANCE_OF_MOVING) {
|
||||
targetPosition = randVector(- range, range);
|
||||
targetPosition = vPlus(targetPosition, myPosition);
|
||||
//printVector(position);
|
||||
moving = true;
|
||||
}
|
||||
}
|
||||
if (moving) {
|
||||
position = vInterpolate(position, targetPosition, 0.5);
|
||||
if (vLength(vMinus(position, targetPosition)) < (size / 5.0)) {
|
||||
moved = false;
|
||||
moving = false;
|
||||
} else {
|
||||
moved = true;
|
||||
}
|
||||
}
|
||||
if (moved || (tweeting > 0)) {
|
||||
if (tweeting > 0) {
|
||||
var newProperties = {
|
||||
position: position,
|
||||
velocity: { x: 0, y: 0, z: 0 },
|
||||
gravity: { x: 0, y: 0, z: 0 },
|
||||
radius : size * 1.5,
|
||||
color: { red: Math.random() * 255, green: 0, blue: 0 }
|
||||
};
|
||||
} else {
|
||||
var newProperties = {
|
||||
position: position,
|
||||
velocity: { x: 0, y: 0, z: 0 },
|
||||
gravity: { x: 0, y: 0, z: 0 },
|
||||
radius : size,
|
||||
color: { red: color.r, green: color.g, blue: color.b }
|
||||
};
|
||||
}
|
||||
Particles.editParticle(particleID, newProperties);
|
||||
moved = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function killBird() {
|
||||
deleteParticle(particleID);
|
||||
}
|
||||
|
||||
// register the call back so it fires before each data send
|
||||
Agent.willSendVisualDataCallback.connect(moveBird);
|
||||
Agent.scriptEnding.connect(killBird);
|
||||
|
||||
Loading…
Reference in a new issue