/
03-CylinderGeometry.html
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03-CylinderGeometry.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/105/three.min.js"></script>
<script>
// ページの読み込みを待つ
window.addEventListener('load', init);
function init() {
// サイズを指定
const width = 960;
const height = 540;
// レンダラーを作成
const renderer = new THREE.WebGLRenderer({
canvas: document.querySelector('#myCanvas')
});
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(width, height);
// シーンを作成
const scene = new THREE.Scene();
// カメラを作成
const camera = new THREE.PerspectiveCamera(45, width / height);
camera.position.set(0, 0, +200);
// 箱を作成
var geometry1 = new THREE.CylinderGeometry(5,20,50,32)
var geometry2 = new THREE.CylinderGeometry(20,20,50,32,64,false,0,6.3);
var geometry3 = new THREE.CylinderGeometry(20,20,50,32,16,true,0,3);
const material = new THREE.MeshNormalMaterial();
material.wireframe=true;
// 大きさと材質をセット。
var obj1 = new THREE.Mesh( geometry1, material );
var obj2 = new THREE.Mesh( geometry2, material );
var obj3 = new THREE.Mesh( geometry3, material );
obj1.position.set(-50,0,50);
obj2.position.set(0,0,0);
obj3.position.set(50,0,-50);
// sceneオブジェクトに立方体を追加
scene.add( obj1 );
scene.add( obj2 );
scene.add( obj3 );
// 影
obj1.castShadow = true;
obj2.castShadow = true;
obj3.castShadow = true;
tick();
// 毎フレーム時に実行されるループイベント
function tick() {
// objをx軸に少しずつ回す
obj1.rotation.x += 0.01;
obj2.rotation.x += 0.01;
obj3.rotation.x += 0.01;
// objをy軸に少しずつ回す
obj1.rotation.y += 0.01;
obj2.rotation.y += 0.01;
obj3.rotation.y += 0.01;
renderer.render(scene, camera); // レンダリング
requestAnimationFrame(tick);
}
}
</script>
</head>
<body>
<canvas id="myCanvas"></canvas>
</body>
</html>