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Added tablet shell around web-buddy

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Anthony J. Thibault 2016-08-17 13:26:35 -07:00
parent d607abc8f7
commit eafae1fcf3
1 changed files with 65 additions and 19 deletions
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84
scripts/system/libraries/WebBuddy.js
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@ -7,44 +7,89 @@
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
var NEGATIVE_ONE = 65535;
var RAD_TO_DEG = 180 / Math.PI;
var X_AXIS = {x: 1, y: 0, z: 0};
var Y_AXIS = {x: 0, y: 1, z: 0};
var TABLET_URL = "https://s3.amazonaws.com/hifi-public/tony/tablet.fbx";
// returns object with two fields:
// * position - position in front of the user
// * rotation - rotation of entity so it faces the user.
function calcSpawnInfo() {
var front;
var pitchBackRotation = Quat.angleAxis(20.0, X_AXIS);
if (HMD.active) {
front = Quat.getFront(HMD.orientation);
var yawOnlyRotation = Quat.angleAxis(Math.atan2(front.x, front.z) * RAD_TO_DEG, Y_AXIS);
return {
position: Vec3.sum(Vec3.sum(HMD.position, Vec3.multiply(0.6, front)), Vec3.multiply(-0.5, Y_AXIS)),
rotation: Quat.multiply(yawOnlyRotation, pitchBackRotation)
};
} else {
front = Quat.getFront(MyAvatar.orientation);
return {
position: Vec3.sum(Vec3.sum(MyAvatar.position, Vec3.multiply(0.6, front)), {x: 0, y: 0.6, z: 0}),
rotation: Quat.multiply(MyAvatar.orientation, pitchBackRotation)
};
}
}
// ctor
WebBuddy = function (url) {
var ASPECT = 4.0 / 3.0;
var WIDTH = 0.4;
var HEIGHT = WIDTH * ASPECT;
var DEPTH = 0.025;
var spawnPoint = Vec3.sum(Vec3.sum(MyAvatar.position, Vec3.multiply(1.0, Quat.getFront(MyAvatar.orientation))),
{x: 0, y: 0.5, z: 0});
var spawnInfo = calcSpawnInfo();
var tabletEntityPosition = spawnInfo.position;
var tabletEntityRotation = spawnInfo.rotation;
this.tabletEntityID = Entities.addEntity({
name: "tablet",
type: "Model",
modelURL: TABLET_URL,
position: tabletEntityPosition,
rotation: tabletEntityRotation,
userData: JSON.stringify({
"grabbableKey": {"grabbable": true}
}),
dimensions: {x: WIDTH, y: HEIGHT, z: DEPTH},
parentID: MyAvatar.sessionUUID,
parentJointIndex: NEGATIVE_ONE
});
var WEB_ENTITY_REDUCTION_FACTOR = {x: 0.78, y: 0.85};
var WEB_ENTITY_Z_OFFSET = -0.01;
var webEntityRotation = Quat.multiply(spawnInfo.rotation, Quat.angleAxis(180, Y_AXIS));
var webEntityPosition = Vec3.sum(spawnInfo.position, Vec3.multiply(WEB_ENTITY_Z_OFFSET, Quat.getFront(webEntityRotation)));
var webEntityPosition = spawnPoint;
var webEntityRotation = MyAvatar.orientation;
this.webEntityID = Entities.addEntity({
name: "web",
type: "Web",
sourceUrl: url,
dimensions: {x: WIDTH, y: WIDTH * ASPECT, z: 0.1},
dimensions: {x: WIDTH * WEB_ENTITY_REDUCTION_FACTOR.x,
y: HEIGHT * WEB_ENTITY_REDUCTION_FACTOR.y,
z: 0.1},
position: webEntityPosition,
rotation: webEntityRotation,
name: "web",
dynamic: true,
angularDamping: 0.9,
damping: 0.9,
gravity: {x: 0, y: 0, z: 0},
shapeType: "box",
userData: JSON.stringify({
"grabbableKey": {"grabbable": true},
}),
parentID: MyAvatar.sessionUUID,
parentJointIndex: NEGATIVE_ONE,
dpi: 45
dpi: 45,
parentID: this.tabletEntityID,
parentJointIndex: NEGATIVE_ONE
});
this.state = "idle";
// compute the room/sensor matrix of the entity.
var invRoomMat = Mat4.inverse(MyAvatar.sensorToWorldMatrix);
var entityWorldMat = Mat4.createFromRotAndTrans(webEntityRotation, webEntityPosition);
var entityWorldMat = Mat4.createFromRotAndTrans(tabletEntityRotation, tabletEntityPosition);
this.entityRoomMat = Mat4.multiply(invRoomMat, entityWorldMat);
var _this = this;
@ -56,12 +101,13 @@ WebBuddy = function (url) {
WebBuddy.prototype.destroy = function () {
Entities.deleteEntity(this.webEntityID);
Entities.deleteEntity(this.tabletEntityID);
Script.update.disconnect(this.updateFunc);
};
WebBuddy.prototype.update = function (dt) {
var props = Entities.getEntityProperties(this.webEntityID, ["position", "rotation", "parentID", "parentJointIndex"]);
var props = Entities.getEntityProperties(this.tabletEntityID, ["position", "rotation", "parentID", "parentJointIndex"]);
var entityWorldMat;
if (this.state === "idle") {
@ -76,7 +122,7 @@ WebBuddy.prototype.update = function (dt) {
entityWorldMat = Mat4.multiply(roomMat, this.entityRoomMat);
// slam the world space position and orientation
Entities.editEntity(this.webEntityID, {
Entities.editEntity(this.tabletEntityID, {
position: Mat4.extractTranslation(entityWorldMat),
rotation: Mat4.extractRotation(entityWorldMat)
});