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beamz

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James B. Pollack 2015-12-10 13:44:53 -08:00
parent 1000b60280
commit c3e9cde7fb
1 changed files with 18 additions and 13 deletions
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21
examples/controllers/handControllerGrab.js
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@ -426,19 +426,22 @@ function MyController(hand) {
var handToObject = Vec3.subtract(objectPosition, handPosition); var handToObject = Vec3.subtract(objectPosition, handPosition);
var finalRotation = Quat.rotationBetween(Vec3.multiply(-1, Vec3.UP), handToObject); var finalRotation = Quat.rotationBetween(Vec3.multiply(-1, Vec3.UP), handToObject);
var distance = Vec3.distance(handPosition, objectPosition);
var speed = distance * 1;
var lifepsan = distance / speed;
var lifespan = 1;
if (this.particleBeam === null) { if (this.particleBeam === null) {
print('create beam') print('create beam')
this.createParticleBeam(objectPosition, finalRotation, color) this.createParticleBeam(objectPosition, finalRotation, color, speed)
} else { } else {
print('update beam') print('update beam')
this.updateParticleBeam(objectPosition, finalRotation, color) this.updateParticleBeam(objectPosition, finalRotation, color, speed, lifepsan)
} }
} }
this.createParticleBeam = function(position, orientation, color) { this.createParticleBeam = function(position, orientation, color, speed, lifepsan) {
var particleBeamProperties = { var particleBeamProperties = {
type: "ParticleEffect", type: "ParticleEffect",
isEmitting: true, isEmitting: true,
@ -448,9 +451,9 @@ function MyController(hand) {
"name": "Particle Beam", "name": "Particle Beam",
"color": color, "color": color,
"maxParticles": 2000, "maxParticles": 2000,
"lifespan": 3, "lifespan": 1,
"emitRate": 50, "emitRate": 50,
"emitSpeed": 20, "emitSpeed": 1,
"speedSpread": 0, "speedSpread": 0,
"emitOrientation": { "emitOrientation": {
"x": -1, "x": -1,
@ -500,7 +503,7 @@ function MyController(hand) {
this.particleBeam = Entities.addEntity(particleBeamProperties); this.particleBeam = Entities.addEntity(particleBeamProperties);
} }
this.updateParticleBeam = function(position, orientation, color) { this.updateParticleBeam = function(position, orientation, color, speed, lifepsan) {
print('O IN UPDATE:::' + JSON.stringify(orientation)) print('O IN UPDATE:::' + JSON.stringify(orientation))
// var beamProps = Entities.getEntityProperties(this.particleBeam); // var beamProps = Entities.getEntityProperties(this.particleBeam);
@ -509,7 +512,9 @@ function MyController(hand) {
rotation: orientation, rotation: orientation,
position: position, position: position,
visible: true, visible: true,
color: color color: color,
emitSpeed: speed,
lifepsan: lifepsan
}) })