Cubique centré jscad

cubique-centre.jscad

// Cubique centré
const jscad = require('@jscad/modeling')
const {cuboid, sphere, polygon} = jscad.primitives
const {translate, rotate} = jscad.transforms
const {union, intersect} = jscad.booleans
const {colorize} = jscad.colors
const {sqrt} = Math
const {extrudeLinear} = jscad.extrusions
const {degToRad} = jscad.utils


const getParameterDefinitions = () => {
    return [
        { name: 'radius', type: 'int', initial: 20, caption: 'Rayon en mm ?' }, 
        { name: 'recouvrement', type: 'int', initial: 10, caption: 'Recouvrement en 1/10 de mm ?' },
        { name: 'qualite', type:'int', initial: 40, caption: 'Qualité des faces ?' }
    ];
}

const main = (params) => {
    const R = params.radius;  // Rayon
    const m = params.recouvrement/10;   // Marge
    
    const a = 4/sqrt(3)*R;
    
    const sph = {radius: R+m, segments: params.qualite};
    
    return intersect(
          cuboid({size: [a,a,a], center:[a/2,a/2,a/2]}),
          union(
            translate([0,0,0], sphere(sph)),
            translate([a,0,0], sphere(sph)),
            translate([0,a,0], sphere(sph)),
            translate([a,a,0], sphere(sph)),
            translate([0,0,a], sphere(sph)),
            translate([a,0,a], sphere(sph)),
            translate([0,a,a], sphere(sph)),
            translate([a,a,a], sphere(sph)),
            translate([a/2, a/2, a/2], sphere(sph))
      ))
}
module.exports = {main, getParameterDefinitions }