** index43
class Stage {
constructor() {
this.renderParam = {
clearColor: 0xffffff,
width: window.innerWidth,
height: window.innerHeight
}
this.cameraParam = {
fov: 50,
near: 0.01,
far: 1000,
lookAt: new THREE.Vector3(0, 0, 0),
x: 0,
y: 0,
z: 7
}
this.scene = null;
this.camera = null;
this.renderer = null;
this.isInitialized = false;
}
init() {
this._setScene();
this._setRender();
this._setCamera();
this.isInitialized = true;
}
_setScene() {
this.scene = new THREE.Scene();
}
_setRender() {
this.renderer = new THREE.WebGLRenderer({
canvas: document.getElementById("webgl-canvas"),
antialias: true,
alpha: true
});
this.renderer.setPixelRatio(window.devicePixelRatio);
this.renderer.setSize(this.renderParam.width, this.renderParam.height);
}
_setCamera() {
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
if (!this.isInitialized) {
this.camera = new THREE.PerspectiveCamera(
this.cameraParam.fov,
this.renderParam.width / this.renderParam.height,
this.cameraParam.near,
this.cameraParam.far
);
this.camera.position.set(
this.cameraParam.x,
this.cameraParam.y,
this.cameraParam.z
);
this.camera.lookAt(this.cameraParam.lookAt);
this.orbitcontrols = new THREE.OrbitControls(
this.camera,
this.renderer.domElement
);
this.orbitcontrols.enableDamping = true;
}
this.camera.aspect = windowWidth / windowHeight;
this.camera.updateProjectionMatrix();
this.renderer.setPixelRatio(window.devicePixelRatio);
this.renderer.setSize(windowWidth, windowHeight);
}
_render() {
this.renderer.render(this.scene, this.camera);
this.orbitcontrols.update();
}
onResize() {
this._setCamera();
}
onRaf() {
this._render();
}
}
class Mesh {
constructor(stage) {
this.geometryParam = {
width: 1,
height: 7
}
this.uniforms = {
time: {
type: "f",
value: 0.0
}
}
this.stage = stage;
}
init() {
this._setMesh();
}
_setMesh() {
const geometry = new THREE.IcosahedronBufferGeometry(
this.geometryParam.width,
this.geometryParam.height
);
const material = new THREE.ShaderMaterial({
vertexShader: document.getElementById("js-vertex-shader").textContent,
fragmentShader: document.getElementById("js-fragment-shader").textContent,
uniforms: this.uniforms,
side: THREE.DoubleSide
});
const material1 = new THREE.ShaderMaterial({
vertexShader: document.getElementById("js-vertex-shader").textContent,
fragmentShader: document.getElementById("js-fragment-line").textContent,
uniforms: this.uniforms,
side: THREE.DoubleSide
});
this.mesh = new THREE.Mesh(geometry, material);
this.meshPoints = new THREE.Points(geometry, material1);
this.stage.scene.add(this.mesh);
this.stage.scene.add(this.meshPoints);
this.stage.scene.add(this.meshSphere);
this.meshPoints.scale.set(1.5 + 0.1, 1.5 + 0.1, 1.5 + 0.1);
}
_render() {
this.uniforms.time.value += 0.001;
this.stage.scene.rotation.x += 0.1 * Math.sin(0.001 * 4 * Math.PI);
this.stage.scene.rotation.y += 0.2 * Math.sin(0.001 * 2 * Math.PI);
this.stage.scene.rotation.z += 0.3 * Math.sin(0.001 * 2 * Math.PI);
}
onRaf() {
this._render();
}
}
(() => {
const stage = new Stage();
const mesh = new Mesh(stage);
stage.init();
mesh.init();
window.addEventListener("resize", () => {
stage.onResize();
});
const _raf = () => {
window.requestAnimationFrame(() => {
stage.onRaf();
mesh.onRaf();
_raf();
});
}
_raf();
})();