1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* global AFRAME, THREE */
// Tips a tracked hand down about its fist. The controller's grip pose points
// noticeably upward, so hands, whatever they hold, and the hands everyone else
// sees all angle up. Turning the pose itself, right after it's read from the
// headset, carries the change to all of them; where the hand is stays put.
(function () {
const X = new THREE.Vector3(1, 0, 0);
AFRAME.registerComponent('hand-tilt', {
schema: {
degrees: { default: -30 }, // negative tips the fingers down
},
init() {
this.tilt = new THREE.Quaternion();
this.update();
},
update() {
this.tilt.setFromAxisAngle(X, THREE.MathUtils.degToRad(this.data.degrees));
},
// tracked-controls arrives when a controller connects (and again if it's
// swapped), so wrap whichever one is there.
tick() {
const tracked = this.el.components['tracked-controls'];
if (!tracked || tracked.tiltedBy === this) return;
const updatePose = tracked.updatePose;
const tilt = this.tilt;
tracked.updatePose = function () {
updatePose.call(this);
if (this.pose) this.el.object3D.quaternion.multiply(tilt);
};
tracked.tiltedBy = this;
},
});
})();
|
