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spawning particles on grab and deleting on release, with a lifetime, for better cleanup of particles

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This commit is contained in:
ericrius1 2015-09-11 12:01:01 -07:00
parent eabdd1f4d9
commit 0a46db60ac
2 changed files with 43 additions and 44 deletions
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2
examples/controllers/handControllerGrab.js
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@ -144,7 +144,7 @@ controller.prototype.checkPointer = function() {
Script.setTimeout(function() {
var props = Entities.getEntityProperties(self.pointer);
Entities.editEntity(self.pointer, {
lifetime: props.age + EXTRA_TIME
lifetime: props.age + EXTRA_TIME + LIFETIME
});
self.checkPointer();
}, POINTER_CHECK_TIME);

85
examples/entityScripts/sprayPaintCan.js
View file

@ -20,13 +20,6 @@
var self = this;
var stopSetting = JSON.stringify({
running: false
});
var startSetting = JSON.stringify({
running: true
});
var timeSinceLastMoved = 0;
var RESET_TIME_THRESHOLD = 5;
var DISTANCE_FROM_HOME_THRESHOLD = 0.5;
@ -59,17 +52,17 @@
self.reset();
timeSinceLastMoved = 0;
}
}
else {
} else {
timeSinceLastMoved = 0;
}
if (self.userData.grabKey && self.userData.grabKey.activated === true) {
if (self.activated !== true) {
//We were just grabbed, so create a particle system
self.grab();
Entities.editEntity(self.paintStream, {
animationSettings: startSetting
});
self.activated = true;
}
//Move emitter to where entity is always when its activated
self.sprayStream();
@ -81,6 +74,45 @@
}
}
this.grab = function() {
self.activated = true;
var animationSettings = JSON.stringify({
fps: 30,
loop: true,
firstFrame: 1,
lastFrame: 10000,
running: true
});
this.paintStream = Entities.addEntity({
type: "ParticleEffect",
animationSettings: animationSettings,
position: this.properties.position,
textures: "https://raw.githubusercontent.com/ericrius1/SantasLair/santa/assets/smokeparticle.png",
emitVelocity: ZERO_VEC,
emitAcceleration: ZERO_VEC,
velocitySpread: {
x: .02,
y: .02,
z: 0.02
},
emitRate: 100,
particleRadius: 0.01,
color: {
red: 170,
green: 20,
blue: 150
},
lifetime: 500, //probably wont be holding longer than this straight
});
}
this.letGo = function() {
self.activated = false;
Entities.deleteEntity(this.paintStream);
}
this.reset = function() {
Entities.editEntity(self.entityId, {
position: HOME_POSITION,
@ -198,41 +230,8 @@
}
setEntityCustomData(GRAB_FRAME_USER_DATA_KEY, this.entityId, data);
}
this.initialize();
}
this.initialize = function() {
var animationSettings = JSON.stringify({
fps: 30,
loop: true,
firstFrame: 1,
lastFrame: 10000,
running: false
});
this.paintStream = Entities.addEntity({
type: "ParticleEffect",
animationSettings: animationSettings,
position: this.properties.position,
textures: "https://raw.githubusercontent.com/ericrius1/SantasLair/santa/assets/smokeparticle.png",
emitVelocity: ZERO_VEC,
emitAcceleration: ZERO_VEC,
velocitySpread: {
x: .02,
y: .02,
z: 0.02
},
emitRate: 100,
particleRadius: 0.01,
color: {
red: 170,
green: 20,
blue: 150
},
lifetime: 1000,
});
}
this.unload = function() {
Script.update.disconnect(this.update);