-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.tsx
151 lines (126 loc) · 3.7 KB
/
index.tsx
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
import * as THREE from "three";
import { ARButtonSessionInit } from "three/examples/jsm/Addons.js";
function createThreeManager() {
let session: XRSession | null = null;
/* Scene */
const scene = new THREE.Scene();
/* Camera */
const camera = new THREE.PerspectiveCamera(
70,
window.innerWidth / window.innerHeight,
0.01,
20
);
camera.position.set(0, 1.6, 0);
scene.add(camera);
/* Light */
const ambient = new THREE.HemisphereLight(0xffffff, 0xbbbbff, 1);
ambient.position.set(0.5, 1, 0.25);
scene.add(ambient);
/* Renderer */
const renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true,
preserveDrawingBuffer: true,
});
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.xr.enabled = true;
/* Reticle */
const reticle = new THREE.Mesh(
new THREE.RingGeometry(0.0375, 0.05, 32).rotateX(-Math.PI / 2),
new THREE.MeshBasicMaterial()
);
reticle.matrixAutoUpdate = false;
reticle.visible = false;
scene.add(reticle);
/* 立方体生成 */
const geometry = new THREE.BoxGeometry(0.1, 0.1, 0.1);
const material = new THREE.MeshBasicMaterial({
color: 0x00ff00,
});
const cube = new THREE.Mesh(geometry, material);
scene.add(cube);
/* Controller */
const controller = renderer.xr.getController(0);
controller.addEventListener("select", onSelect);
scene.add(controller);
function onSelect() {
if (reticle.visible) {
cube.position.setFromMatrixPosition(reticle.matrix);
}
}
// フレームごとに実行されるアニメーション
animate();
function animate() {
renderer.setAnimationLoop(render);
}
let hitTestSource: XRHitTestSource | null = null;
let hitTestSourceRequested = false;
async function render(_timestamp: number, frame: XRFrame) {
if (frame) {
const referenceSpace = renderer.xr.getReferenceSpace();
if (!referenceSpace) return;
const session = renderer.xr.getSession();
if (!session) return;
if (hitTestSourceRequested === false) {
session.requestReferenceSpace("viewer").then((referenceSpace) => {
session.requestHitTestSource!({ space: referenceSpace })!.then(
function (source) {
hitTestSource = source;
}
);
});
session.addEventListener("end", function () {
hitTestSourceRequested = false;
hitTestSource = null;
});
hitTestSourceRequested = true;
}
if (hitTestSource) {
const hitTestResults = frame.getHitTestResults(hitTestSource);
if (hitTestResults.length) {
const hit = hitTestResults[0];
reticle.visible = true;
reticle.matrix.fromArray(
hit.getPose(referenceSpace)!.transform.matrix
);
} else {
reticle.visible = false;
}
}
}
renderer.render(scene, camera);
}
const SESSION_OPTIONS: ARButtonSessionInit = {
domOverlay: { root: document.body },
requiredFeatures: ["hit-test"],
};
async function startARSession() {
if (navigator.xr) {
session = await navigator.xr.requestSession(
"immersive-ar",
SESSION_OPTIONS
);
if (session == null) {
throw new Error("Failed to start AR session");
}
renderer.xr.setReferenceSpaceType("local");
renderer.xr.setSession(session);
} else {
throw new Error("WebXR is not supported");
}
}
return {
startARSession,
};
}
export function HitTest() {
const threeManager = createThreeManager();
return (
<>
<h1>HitTest</h1>
<button onClick={threeManager.startARSession}>START!</button>
</>
);
}