( function () { THREE = Bench.THREE; // these vertices and triangles are those of a unit icosahedron centered at the origin var phi = 1.618; var verts = [ [ phi, 1, 0 ], [ - phi, 1, 0 ], [ phi, - 1, 0 ], [ - phi, - 1, 0 ], [ 1, 0, phi ], [ 1, 0, - phi ], [ - 1, 0, phi ], [ - 1, 0, - phi ], [ 0, phi, 1 ], [ 0, - phi, 1 ], [ 0, phi, - 1 ], [ 0, - phi, - 1 ], ]; var createVertex = function ( c ) { return new THREE.Vector3( c[ 0 ], c[ 1 ], c[ 2 ] ); }; var createTriangle = function ( i0, i1, i2 ) { return new THREE.Triangle( createVertex( verts[ i0 ] ), createVertex( verts[ i1 ] ), createVertex( verts[ i2 ] ) ); }; var triangles = [ createTriangle( 0, 8, 4 ), createTriangle( 0, 5, 10 ), createTriangle( 2, 4, 9 ), createTriangle( 2, 11, 5 ), createTriangle( 1, 6, 8 ), createTriangle( 1, 10, 7 ), createTriangle( 3, 9, 6 ), createTriangle( 3, 7, 11 ), createTriangle( 0, 10, 8 ), createTriangle( 1, 8, 10 ), createTriangle( 2, 9, 11 ), createTriangle( 3, 9, 11 ), createTriangle( 4, 2, 0 ), createTriangle( 5, 0, 2 ), createTriangle( 6, 1, 3 ), createTriangle( 7, 3, 1 ), createTriangle( 8, 6, 4 ), createTriangle( 9, 4, 6 ), createTriangle( 10, 5, 7 ), createTriangle( 11, 7, 5 ), ]; // test a variety of points all in and around the icosahedron var testPoints = []; for ( var x = - 2; x <= 2; x += 0.5 ) { for ( var y = - 2; y <= 2; y += 0.5 ) { for ( var z = - 2; z <= 2; z += 0.5 ) { testPoints.push( new THREE.Vector3( x, y, z ) ); } } } var s = Bench.newSuite( 'Clamping point into triangles' ); s.add( '9^3 points, 20 triangles', function () { var target = new THREE.Vector3(); for ( var tidx = 0; tidx < triangles.length; tidx ++ ) { var triangle = triangles[ tidx ]; for ( var pidx = 0; pidx < testPoints.length; pidx ++ ) { triangle.closestPointToPoint( testPoints[ pidx ], target ); } } } ); } )();