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import React, {Component} from 'react';
import PropTypes from 'prop-types'
import ReactDOM from 'react-dom';
import * as THREE from 'three';
import STLLoader from './Loader'
import OrbitControlsModule from 'three-orbit-controls'
// import {ScaleLoader} from 'react-spinners';
// const STLLoader = STLLoaderModule(THREE);
const OrbitControls = OrbitControlsModule(THREE);
class STLViewer extends Component {
static propTypes = {
className: PropTypes.string,
url: PropTypes.string,
file: PropTypes.object,
width: PropTypes.number,
height: PropTypes.number,
backgroundColor: PropTypes.string,
modelMaterial: PropTypes.object,
sceneClassName: PropTypes.string,
onSceneRendered: PropTypes.func,
};
static defaultProps = {
backgroundColor: '#EAEAEA',
modelMaterial: { color: '#888888' },
height: 400,
width: 400,
rotate: true,
orbitControls: true,
sceneClassName: '',
};
componentDidMount() {
this.renderModel(this.props);
}
shouldComponentUpdate(nextProps, nextState) {
if (JSON.stringify(nextProps) === JSON.stringify(this.props)) {
return false
}
return true
}
componentDidUpdate(prevProps, nextState) {
this.renderModel(prevProps);
}
componentWillUnmount() {
cancelAnimationFrame(this.animationFrame)
}
componentDidCatch(error, info) {
console.log(error, info)
}
renderModel(props) {
let camera, scene, renderer, mesh, distance, controls;
const {url, file, width, height, modelMaterial, backgroundColor, orbitControls, sceneClassName, onSceneRendered} = props;
let xDims, yDims, zDims;
let component = this;
if (!url) return
scene = new THREE.Scene();
distance = 10000;
const directionalLight = new THREE.DirectionalLight(0xddeeff, 0.6);
directionalLight.position.x = 100;
directionalLight.position.y = 100;
directionalLight.position.z = 200;
directionalLight.position.normalize();
scene.add(directionalLight);
const directionalLight2 = new THREE.DirectionalLight(0xffffdd, 0.6);
directionalLight2.position.x = -75;
directionalLight2.position.y = 75;
directionalLight2.position.z = -200;
directionalLight2.position.normalize();
scene.add(directionalLight2);
const ambientLight = new THREE.AmbientLight(0x404040); // soft white light
scene.add(ambientLight);
const onLoad = geometry => {
geometry.computeFaceNormals();
geometry.computeVertexNormals();
geometry.center();
mesh = new THREE.Mesh(
geometry,
new THREE.MeshStandardMaterial(modelMaterial)
);
geometry.computeBoundingBox();
xDims = geometry.boundingBox.max.x - geometry.boundingBox.min.x;
yDims = geometry.boundingBox.max.y - geometry.boundingBox.min.y;
zDims = geometry.boundingBox.max.z - geometry.boundingBox.min.z;
scene.add(mesh);
mesh.rotateX(this.props.transform.rotate.x)
mesh.rotateY(this.props.transform.rotate.y)
mesh.rotateZ(this.props.transform.rotate.z)
camera = new THREE.PerspectiveCamera(30, width / height, 1, distance);
camera.position.set(0, 0, Math.max(xDims * 3, yDims * 3, zDims * 3));
scene.add(camera);
renderer = new THREE.WebGLRenderer({
preserveDrawingBuffer: true,
antialias: true,
alpha: true,
});
renderer.setSize(width, height);
renderer.setClearColor(backgroundColor, 0);
renderer.domElement.className = sceneClassName;
if (orbitControls) {
controls = new OrbitControls(camera, ReactDOM.findDOMNode(component));
controls.enableKeys = false;
controls.addEventListener('change', orbitRender);
}
ReactDOM.findDOMNode(this).replaceChild(renderer.domElement,
ReactDOM.findDOMNode(this).firstChild);
render();
animate();
if (typeof onSceneRendered === "function") {
onSceneRendered(ReactDOM.findDOMNode(renderer.domElement))
}
};
const onProgress = (xhr) => {
if (xhr.lengthComputable) {
let percentComplete = xhr.loaded / xhr.total * 100;
}
};
const loader = new STLLoader();
if (file) {
loader.loadFile(file, onLoad, onProgress);
} else {
loader.load(url, onLoad, onProgress);
}
const render = () => {
renderer.render(scene, camera);
};
const orbitRender = () => {
render();
};
const animate = () => {
if (!mesh) return
this.animationFrame = requestAnimationFrame(animate)
mesh.rotateZ(Math.PI * 0.001)
render()
}
}
render() {
return (
<div
className={this.props.className}
style={{
position: 'fixed',
width: Math.round(this.props.width) + "px",
height: Math.round(this.props.height) + "px",
overflow: 'hidden',
...this.props.style,
}}
>
<div style={{
height: '100%',
display: 'flex',
justifyContent: 'center',
alignItems: 'center',
}}>
</div>
</div>
);
};
};
export default STLViewer;
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