render-mesh.ts

/**
 * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */

import './index.html'
import { Canvas3D } from 'mol-canvas3d/canvas3d';
import { MeshBuilder } from 'mol-geo/geometry/mesh/mesh-builder';
import { Mat4 } from 'mol-math/linear-algebra';
import { Mesh } from 'mol-geo/geometry/mesh/mesh';
import { Representation } from 'mol-repr/representation';
import { Color } from 'mol-util/color';
import { createRenderObject } from 'mol-gl/render-object';
import { SpikedBall } from 'mol-geo/primitive/spiked-ball';
import { HexagonalPrismCage } from 'mol-geo/primitive/prism';

const parent = document.getElementById('app')!
parent.style.width = '100%'
parent.style.height = '100%'

const canvas = document.createElement('canvas')
canvas.style.width = '100%'
canvas.style.height = '100%'
parent.appendChild(canvas)

const canvas3d = Canvas3D.create(canvas)
canvas3d.animate()

function meshRepr() {
    const builderState = MeshBuilder.createState()

    const t = Mat4.identity()
    MeshBuilder.addCage(builderState, t, HexagonalPrismCage(), 0.005, 2)

    const t2 = Mat4.identity()
    Mat4.scaleUniformly(t2, t2, 0.1)
    MeshBuilder.addPrimitive(builderState, t2, SpikedBall(3))

    const mesh = MeshBuilder.getMesh(builderState)

    const values = Mesh.Utils.createValuesSimple(mesh, {}, Color(0xFF0000), 1)
    const state = Mesh.Utils.createRenderableState({})
    const renderObject = createRenderObject('mesh', values, state, -1)
    const repr = Representation.fromRenderObject('mesh', renderObject)
    return repr
}

canvas3d.add(meshRepr())
canvas3d.resetCamera()