content/hifi-content/davidback/development/drawSphereSpawnerClient.js
2022-02-13 22:49:05 +01:00

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JavaScript

//
// drawSphereSpawnerClient.js
//
// created by Rebecca Stankus on 03/28/19
// Copyright 2019 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
(function() {
var _this;
var RGB_MAX_VALUE = 255;
var DECIMAL_PLACES = 2;
var injector;
var parentJointIndex;
var dominantHandJoint;
var dominantHand;
var PaintSphereSpawner = function() {
_this = this;
};
PaintSphereSpawner.prototype = {
remotelyCallable: ['createPaintSphere'],
/* ON PRELOAD: Save a reference to this */
preload: function(entityID) {
_this.entityID = entityID;
},
/* PLAY A SOUND: Plays a sound at the specified position, volume, local mode, and playback
mode requested. */
playSound: function(sound, volume, position, localOnly, loop){
if (sound.downloaded) {
if (injector) {
injector.stop();
injector = null;
}
injector = Audio.playSound(sound, {
position: position,
volume: volume,
localOnly: localOnly,
loop: loop
});
}
},
/* Convert RGB value to 0-1 scale */
rgbConversion: function(rgbColorValue) {
return (rgbColorValue/RGB_MAX_VALUE).toFixed(DECIMAL_PLACES);
},
/* Check for existing paint sphere and delete if found */
removePaintSpheres: function() {
MyAvatar.getAvatarEntitiesVariant().forEach(function(avatarEntity) {
var name = Entities.getEntityProperties(avatarEntity.id, 'name').name;
if (name && (name === "Whiteboard Paint Sphere")) {
Entities.deleteEntity(avatarEntity.id);
}
});
},
/* Remove any existing paint spheres. Get user's dominant hand and find most appropriate joint available to
attach paint sphere to. Create a paint sphere using the color of this square that was clicked. Attach a material
to the sphere using a texture found inthe userData of this square. */
createPaintSphere: function() {
_this.removePaintSpheres();
dominantHand = MyAvatar.getDominantHand();
dominantHandJoint = (dominantHand === "right") ? "RightHand" : "LeftHand";
parentJointIndex = MyAvatar.getJointIndex(dominantHandJoint + "Index4");
if (parentJointIndex === -1) {
MyAvatar.getJointIndex(dominantHandJoint + "Index3");
}
if (parentJointIndex === -1) {
MyAvatar.getJointIndex(dominantHandJoint);
print("ERROR: Falling back to dominant hand joint as index finger tip could not be found");
}
var properties = Entities.getEntityProperties(_this.entityID, ['userData', 'color']);
var userData = JSON.parse(properties.userData);
var paintSphere = Entities.addEntity({
name: "Whiteboard Paint Sphere",
type: "Model",
modelURL: Script.resolvePath("../resources/models/sphere-white-emissive.fbx"),
parentID: MyAvatar.sessionUUID,
parentJointIndex: parentJointIndex,
localPosition: { x: 0, y: 0, z: 0 },
localRotation: Quat.fromVec3Degrees({x:0,y:0,z:0}),
color: properties.color,
localDimensions: { x: 0.015, y: 0.015, z: 0.015 },
script: Script.resolvePath("drawSphereClient.js?" + Date.now()),
grab: { grabbable: false },
collisionless: true,
lifetime: 500,
userData: JSON.stringify({textureURL: userData.textureURL})
}, 'avatar');
var colorRescaled = {};
colorRescaled.red = _this.rgbConversion(properties.color.red);
colorRescaled.green = _this.rgbConversion(properties.color.green);
colorRescaled.blue = _this.rgbConversion(properties.color.blue);
Entities.addEntity({
type: "Material",
name: "Whiteboard Paint Sphere Material",
materialURL: "materialData",
priority: 1,
parentID: paintSphere,
materialData: JSON.stringify({
materials: {
albedo: colorRescaled,
emissive: colorRescaled
}
})
}, 'avatar');
},
/* Create a paint sphere on hand. */
mousePressOnEntity: function( entityID, event ) {
if (event.isLeftButton) {
_this.createPaintSphere();
}
}
};
return new PaintSphereSpawner();
});