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317 lines
No EOL
11 KiB
JavaScript
317 lines
No EOL
11 KiB
JavaScript
// wand.js
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// part of bubblewand
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//
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// Created by James B. Pollack @imgntn -- 09/03/2015
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// Copyright 2015 High Fidelity, Inc.
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//
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// Makes bubbles when you wave the object around, or hold it near your mouth and make noise into the microphone.
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//
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// For the example, it's attached to a wand -- but you can attach it to whatever entity you want. I dream of BubbleBees :) bzzzz...pop!
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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function convertRange(value, r1, r2) {
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return (value - r1[0]) * (r2[1] - r2[0]) / (r1[1] - r1[0]) + r2[0];
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}
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(function() {
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Script.include("https://raw.githubusercontent.com/highfidelity/hifi/master/examples/utilities.js");
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Script.include("https://raw.githubusercontent.com/highfidelity/hifi/master/examples/libraries/utils.js");
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var bubbleModel = "http://hifi-public.s3.amazonaws.com/james/bubblewand/models/bubble/bubble.fbx";
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var bubbleScript = 'http://hifi-public.s3.amazonaws.com/james/bubblewand/scripts/bubble.js?' + randInt(1, 10000);
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var popSound = SoundCache.getSound("http://hifi-public.s3.amazonaws.com/james/bubblewand/sounds/pop.wav");
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var TARGET_SIZE = 0.4;
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var TARGET_COLOR = {
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red: 128,
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green: 128,
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blue: 128
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};
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var TARGET_COLOR_HIT = {
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red: 0,
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green: 255,
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blue: 0
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};
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var HAND_SIZE = 0.25;
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var leftCubePosition = MyAvatar.getLeftPalmPosition();
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var rightCubePosition = MyAvatar.getRightPalmPosition();
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var leftHand = Overlays.addOverlay("cube", {
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position: leftCubePosition,
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size: HAND_SIZE,
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color: {
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red: 0,
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green: 0,
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blue: 255
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},
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alpha: 1,
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solid: false
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});
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var rightHand = Overlays.addOverlay("cube", {
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position: rightCubePosition,
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size: HAND_SIZE,
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color: {
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red: 255,
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green: 0,
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blue: 0
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},
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alpha: 1,
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solid: false
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});
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var gustZoneOverlay = Overlays.addOverlay("cube", {
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position: getGustDetectorPosition(),
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size: TARGET_SIZE,
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color: TARGET_COLOR,
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alpha: 1,
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solid: false
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});
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function getGustDetectorPosition() {
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//put the zone in front of your avatar's face
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var DISTANCE_IN_FRONT = 0.2;
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var DISTANCE_UP = 0.5;
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var DISTANCE_TO_SIDE = 0.0;
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var up = Quat.getUp(MyAvatar.orientation);
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var front = Quat.getFront(MyAvatar.orientation);
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var right = Quat.getRight(MyAvatar.orientation);
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var upOffset = Vec3.multiply(up, DISTANCE_UP);
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var rightOffset = Vec3.multiply(right, DISTANCE_TO_SIDE);
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var frontOffset = Vec3.multiply(front, DISTANCE_IN_FRONT);
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var offset = Vec3.sum(Vec3.sum(rightOffset, frontOffset), upOffset);
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var position = Vec3.sum(MyAvatar.position, offset);
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return position;
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}
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var BUBBLE_GRAVITY = {
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x: 0,
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y: -0.05,
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z: 0
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}
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var wandEntity = this;
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this.preload = function(entityID) {
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// print('PRELOAD')
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this.entityID = entityID;
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this.properties = Entities.getEntityProperties(this.entityID);
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}
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this.unload = function(entityID) {
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Overlays.deleteOverlay(leftHand);
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Overlays.deleteOverlay(rightHand);
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Overlays.deleteOverlay(gustZoneOverlay)
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Entities.editEntity(entityID, {
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name: ""
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});
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Script.update.disconnect(BubbleWand.update);
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Entities.deleteEntity(BubbleWand.currentBubble);
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while (BubbleWand.bubbles.length > 0) {
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Entities.deleteEntity(BubbleWand.bubbles.pop());
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}
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};
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var BubbleWand = {
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bubbles: [],
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currentBubble: null,
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update: function() {
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BubbleWand.internalUpdate();
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},
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internalUpdate: function() {
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var _t = this;
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//get the current position of the wand
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var properties = Entities.getEntityProperties(wandEntity.entityID);
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var wandPosition = properties.position;
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//debug overlays for mouth mode
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var leftHandPos = MyAvatar.getLeftPalmPosition();
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var rightHandPos = MyAvatar.getRightPalmPosition();
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Overlays.editOverlay(leftHand, {
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position: leftHandPos
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});
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Overlays.editOverlay(rightHand, {
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position: rightHandPos
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});
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//if the wand is in the gust detector, activate mouth mode and change the overlay color
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var hitTargetWithWand = findSphereSphereHit(wandPosition, HAND_SIZE / 2, getGustDetectorPosition(), TARGET_SIZE / 2)
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var mouthMode;
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if (hitTargetWithWand) {
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Overlays.editOverlay(gustZoneOverlay, {
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position: getGustDetectorPosition(),
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color: TARGET_COLOR_HIT
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})
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mouthMode = true;
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} else {
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Overlays.editOverlay(gustZoneOverlay, {
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position: getGustDetectorPosition(),
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color: TARGET_COLOR
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})
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mouthMode = false;
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}
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var volumeLevel = MyAvatar.audioAverageLoudness;
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//volume numbers are pretty large, so lets scale them down.
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var convertedVolume = convertRange(volumeLevel, [0, 5000], [0, 10]);
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// default is 'wave mode', where waving the object around grows the bubbles
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var velocity = Vec3.subtract(wandPosition, BubbleWand.lastPosition)
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//store the last position of the wand for velocity calculations
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_t.lastPosition = wandPosition;
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// velocity numbers are pretty small, so lets make them a bit bigger
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var velocityStrength = Vec3.length(velocity) * 100;
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if (velocityStrength > 10) {
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velocityStrength = 10
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}
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//actually grow the bubble
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var dimensions = Entities.getEntityProperties(_t.currentBubble).dimensions;
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if (velocityStrength > 1 || convertedVolume > 1) {
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//add some variation in bubble sizes
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var bubbleSize = randInt(1, 5);
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bubbleSize = bubbleSize / 10;
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//release the bubble if its dimensions are bigger than the bubble size
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if (dimensions.x > bubbleSize) {
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//bubbles pop after existing for a bit -- so set a random lifetime
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var lifetime = randInt(3, 8);
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//sound is somewhat unstable at the moment so this is commented out. really audio should be played by the bubbles, but there's a blocker.
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// Script.setTimeout(function() {
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// _t.burstBubbleSound(_t.currentBubble)
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// }, lifetime * 1000)
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//todo: angular velocity without the controller -- forward velocity for mouth mode bubbles
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// var angularVelocity = Controller.getSpatialControlRawAngularVelocity(hands.leftHand.tip);
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Entities.editEntity(_t.currentBubble, {
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velocity: Vec3.normalize(velocity),
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// angularVelocity: Controller.getSpatialControlRawAngularVelocity(hands.leftHand.tip),
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lifetime: lifetime
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});
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//release the bubble -- when we create a new bubble, it will carry on and this update loop will affect the new bubble
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BubbleWand.spawnBubble();
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return
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} else {
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if (mouthMode) {
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dimensions.x += 0.015 * convertedVolume;
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dimensions.y += 0.015 * convertedVolume;
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dimensions.z += 0.015 * convertedVolume;
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} else {
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dimensions.x += 0.015 * velocityStrength;
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dimensions.y += 0.015 * velocityStrength;
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dimensions.z += 0.015 * velocityStrength;
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}
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}
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} else {
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if (dimensions.x >= 0.02) {
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dimensions.x -= 0.001;
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dimensions.y -= 0.001;
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dimensions.z -= 0.001;
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}
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}
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//update the bubble to stay with the wand tip
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Entities.editEntity(_t.currentBubble, {
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position: _t.wandTipPosition,
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dimensions: dimensions
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});
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},
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burstBubbleSound: function(bubble) {
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//we want to play the sound at the same location and orientation as the bubble
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var position = Entities.getEntityProperties(bubble).position;
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var orientation = Entities.getEntityProperties(bubble).orientation;
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//set the options for the audio injector
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var audioOptions = {
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volume: 0.5,
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position: position,
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orientation: orientation
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}
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//var audioInjector = Audio.playSound(popSound, audioOptions);
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//remove this bubble from the array to keep things clean
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var i = BubbleWand.bubbles.indexOf(bubble);
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if (i != -1) {
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BubbleWand.bubbles.splice(i, 1);
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}
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},
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spawnBubble: function() {
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var _t = this;
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//create a new bubble at the tip of the wand
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//the tip of the wand is going to be in a different place than the center, so we move in space relative to the model to find that position
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var properties = Entities.getEntityProperties(wandEntity.entityID);
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var wandPosition = properties.position;
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var upVector = Quat.getUp(properties.rotation);
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var frontVector = Quat.getFront(properties.rotation);
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var upOffset = Vec3.multiply(upVector, 0.5);
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var forwardOffset = Vec3.multiply(frontVector, 0.1);
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var offsetVector = Vec3.sum(upOffset, forwardOffset);
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var wandTipPosition = Vec3.sum(wandPosition, offsetVector);
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_t.wandTipPosition = wandTipPosition;
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//store the position of the tip on spawn for use in velocity calculations
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_t.lastPosition = wandTipPosition;
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//create a bubble at the wand tip
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_t.currentBubble = Entities.addEntity({
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type: 'Model',
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modelURL: bubbleModel,
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position: wandTipPosition,
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dimensions: {
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x: 0.01,
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y: 0.01,
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z: 0.01
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},
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collisionsWillMove: false,
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ignoreForCollisions: true,
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gravity: BUBBLE_GRAVITY,
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// collisionSoundURL:popSound,
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shapeType: "sphere",
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script: bubbleScript,
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});
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//add this bubble to an array of bubbles so we can keep track of them
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_t.bubbles.push(_t.currentBubble)
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},
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init: function() {
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this.spawnBubble();
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Script.update.connect(BubbleWand.update);
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}
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}
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BubbleWand.init();
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}) |