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three

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JavaScript 3D library

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console.warn( "THREE.ConvexGeometry: As part of the transition to ES6 Modules, the files in 'examples/js' were deprecated in May 2020 (r117) and will be deleted in December 2020 (r124). You can find more information about developing using ES6 Modules in https://threejs.org/docs/#manual/en/introduction/Installation." ); // ConvexGeometry THREE.ConvexGeometry = function ( points ) { THREE.Geometry.call( this ); this.fromBufferGeometry( new THREE.ConvexBufferGeometry( points ) ); this.mergeVertices(); }; THREE.ConvexGeometry.prototype = Object.create( THREE.Geometry.prototype ); THREE.ConvexGeometry.prototype.constructor = THREE.ConvexGeometry; // ConvexBufferGeometry THREE.ConvexBufferGeometry = function ( points ) { THREE.BufferGeometry.call( this ); // buffers var vertices = []; var normals = []; if ( THREE.ConvexHull === undefined ) { console.error( 'THREE.ConvexBufferGeometry: ConvexBufferGeometry relies on THREE.ConvexHull' ); } var convexHull = new THREE.ConvexHull().setFromPoints( points ); // generate vertices and normals var faces = convexHull.faces; for ( var i = 0; i < faces.length; i ++ ) { var face = faces[ i ]; var edge = face.edge; // we move along a doubly-connected edge list to access all face points (see HalfEdge docs) do { var point = edge.head().point; vertices.push( point.x, point.y, point.z ); normals.push( face.normal.x, face.normal.y, face.normal.z ); edge = edge.next; } while ( edge !== face.edge ); } // build geometry this.setAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) ); this.setAttribute( 'normal', new THREE.Float32BufferAttribute( normals, 3 ) ); }; THREE.ConvexBufferGeometry.prototype = Object.create( THREE.BufferGeometry.prototype ); THREE.ConvexBufferGeometry.prototype.constructor = THREE.ConvexBufferGeometry;