Adjustable colours and thickness, almost done
parent
1a918c6d3b
commit
f3e5a5b430
79
main.js
79
main.js
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@ -8,6 +8,12 @@ import { GUI } from 'lil-gui';
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const DEFAULT_SHAPE = '120-cell';
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const DEFAULT_COLOR = 0x90ebff;
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const DEFAULT_BG = 0xdddddd;
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// hacky stuff for 4d rotations
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@ -139,7 +145,7 @@ scene.add(light);
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const amblight = new THREE.AmbientLight(0xffffff, 0.5);
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scene.add(amblight);
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scene.background = new THREE.Color(0xdddddd);
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scene.background = new THREE.Color(DEFAULT_BG);
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const renderer = new THREE.WebGLRenderer({antialias: true});
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@ -147,35 +153,13 @@ renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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const NODE_OPACITY = 1.0;
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const LINK_OPACITY = 1.0;
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const material = new THREE.MeshStandardMaterial(
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{ color: DEFAULT_COLOR }
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);
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const node_ms = [
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new THREE.MeshStandardMaterial( { color: 0x90ebff } )
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];
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const node_ms = [ material ];
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for( const node_m of node_ms ) {
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node_m.roughness = 0.9;
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if( NODE_OPACITY < 1.0 ) {
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node_m.transparent = true;
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node_m.opacity = NODE_OPACITY;
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}
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}
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const link_ms = [
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new THREE.MeshStandardMaterial( { color: 0x90ebff } )
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];
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for( const link_m of link_ms ) {
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link_m.metalness = 0.8;
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link_m.roughness = 0.1;
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if( LINK_OPACITY < 1.0 ) {
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link_m.transparent = true;
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link_m.opacity = LINK_OPACITY;
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}
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}
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const link_ms = [ material ];
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const STRUCTURES = {
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'5-cell': POLYTOPES.cell5(),
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@ -210,6 +194,26 @@ function floatParam(params, param) {
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return 0;
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}
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function stringtoHex(cstr) {
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return parseInt('0x' + cstr.substr(1));
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}
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function hexToString(hex) {
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return '#' + hex.toString(16);
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}
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function colorParam(params, param, dft) {
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const value = params.get(param);
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if( value ) {
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const hex = stringtoHex(value);
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if( hex !== NaN ) {
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return hex;
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}
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}
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return dft;
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}
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camera.position.z = 4;
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@ -270,6 +274,9 @@ for( const param of [ "shape", "xRotate", "yRotate" ]) {
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}
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link_params['hyperplane'] = floatParam(urlParams, 'hyperplane');
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link_params['thickness'] = floatParam(urlParams, 'thickness');
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link_params['color'] = colorParam(urlParams, 'color', DEFAULT_COLOR);
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link_params['background'] = colorParam(urlParams, 'background', DEFAULT_BG);
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dpsi = floatParam(urlParams, 'dpsi');
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dtheta = floatParam(urlParams, 'dtheta');
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@ -277,6 +284,9 @@ dtheta = floatParam(urlParams, 'dtheta');
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const gui_params = {
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shape: link_params['shape'] || DEFAULT_SHAPE,
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thickness: link_params['thickness'] || 1,
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color: link_params['color'] || DEFAULT_COLOR,
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background: link_params['background'] || DEFAULT_BG,
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hyperplane: link_params['hyperplane'] || 2,
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xRotate: link_params['xRotate'] || 'YW',
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yRotate: link_params['yRotate'] || 'XZ',
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@ -284,6 +294,9 @@ const gui_params = {
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"copy link": function () {
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const url = new URL(linkUrl.origin + linkUrl.pathname);
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url.searchParams.append("shape", gui_params.shape);
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url.searchParams.append("thickness", gui_params.thickness.toString());
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url.searchParams.append("color", hexToString(gui_params.color));
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url.searchParams.append("background", hexToString(gui_params.background));
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url.searchParams.append("hyperplane", gui_params.hyperplane.toString());
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url.searchParams.append("xRotate", gui_params.xRotate);
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url.searchParams.append("yRotate", gui_params.yRotate);
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@ -300,6 +313,15 @@ gui.add(gui_params, 'shape',
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).onChange(createShape)
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gui.add(gui_params, 'hyperplane', 1.5, 4);
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gui.add(gui_params, 'thickness', 0.01, 4);
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gui.addColor(gui_params, 'color').onChange((c) => {
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console.log(`Setting material colour to ${c}`);
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material.color = new THREE.Color(c);
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});
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gui.addColor(gui_params, 'background').onChange((c) => {
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console.log(`Setting background colour to ${c}`);
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scene.background = new THREE.Color(c);
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});
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gui.add(gui_params, 'xRotate', [ 'YW', 'YZ', 'ZW' ]);
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gui.add(gui_params, 'yRotate', [ 'XZ', 'XY', 'XW' ]);
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gui.add(gui_params, 'damping');
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@ -338,6 +360,7 @@ function animate() {
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ROTFN[gui_params.yRotate](psi)
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];
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shape.hyperplane = gui_params.hyperplane;
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shape.geom_scale = gui_params.thickness;
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shape.render3(rotations);
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renderer.render( scene, camera );
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