15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2007 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)var loops = 15 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)var nx = 120 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)var nz = 120 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)function morph(a, f) { 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var PI2nx = Math.PI * 8/nx 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var sin = Math.sin 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var f30 = -(50 * sin(f*Math.PI*2)) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (var i = 0; i < nz; ++i) { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (var j = 0; j < nx; ++j) { 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) a[3*(i*nx+j)+1] = sin((j-1) * PI2nx ) * -f30 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)var a = Array() 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)for (var i=0; i < nx*nz*3; ++i) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) a[i] = 0 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)for (var i = 0; i < loops; ++i) { 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) morph(a, i/loops) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)testOutput = 0; 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)for (var i = 0; i < nx; i++) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) testOutput += a[3*(i*nx+i)+1]; 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)a = null; 55