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Add lifetime so that abandoned birds eventually die

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Philip Rosedale 2015-07-18 13:34:14 -07:00
parent ee435d9732
commit 66d61dc587
1 changed files with 6 additions and 2 deletions
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8
examples/FlockOfbirds.js
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@ -17,8 +17,10 @@ var upperCorner = { x: 10, y: 10, z: 10 };
var STARTING_FRACTION = 0.25;
var NUM_BIRDS = 50;
var UPDATE_INTERVAL = 0.016;
var playSounds = true;
var SOUND_PROBABILITY = 0.001;
var STARTING_LIFETIME = (1.0 / SOUND_PROBABILITY) * UPDATE_INTERVAL * 10;
var numPlaying = 0;
var BIRD_SIZE = 0.08;
var BIRD_MASTER_VOLUME = 0.1;
@ -115,8 +117,9 @@ function updateBirds(deltaTime) {
birds[i].audioId = Audio.playSound(birds[i].sound, options);
}
numPlaying++;
// Change size
Entities.editEntity(birds[i].entityId, { dimensions: Vec3.multiply(1.5, properties.dimensions)});
// Change size, and update lifetime to keep bird alive
Entities.editEntity(birds[i].entityId, { dimensions: Vec3.multiply(1.5, properties.dimensions),
lifetime: STARTING_LIFETIME});
} else if (birds[i].audioId) {
// If bird is playing a chirp
@ -247,6 +250,7 @@ function loadBirds(howMany) {
velocity: { x: 0, y: -0.1, z: 0 },
linearDamping: LINEAR_DAMPING,
collisionsWillMove: true,
lifetime: STARTING_LIFETIME,
color: colors[whichBird]
}),
audioId: false,