o: ActiveSupport::Cache::Entry :@compressedF:@expires_in0:@created_atf1361185926.0262358:@value" {I" class:EFI"BundledAsset;�FI"logical_path;�FI"Shaders/SkyAtmosphereFS.js;�TI" pathname;�FI"W/Users/bwrona/www/engines/cesium/app/assets/javascripts/Shaders/SkyAtmosphereFS.js;�TI"content_type;�FI"application/javascript;�FI" mtime;�FI"2013-02-11T17:47:50+01:00;�FI"length;�Fi"I"digest;�F"%fb728112c205853b1d9c60fe0e8bd516I"source;�FI""/** * @license * Copyright (c) 2000-2005, Sean O'Neil (s_p_oneil@hotmail.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the project nor the names of its contributors may be * used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Modifications made by Analytical Graphics, Inc. */ // This file is automatically rebuilt by the Cesium build process. /*global define*/ define(function() { "use strict"; return "uniform float u_morphTime;\n\ const float g = -0.95;\n\ const float g2 = g * g;\n\ varying vec3 v_rayleighColor;\n\ varying vec3 v_mieColor;\n\ varying vec3 v_toCamera;\n\ varying vec3 v_positionEC;\n\ void main (void)\n\ {\n\ czm_ellipsoid ellipsoid = czm_getWgs84EllipsoidEC();\n\ vec3 direction = normalize(v_positionEC);\n\ czm_ray ray = czm_ray(vec3(0.0), direction);\n\ czm_raySegment intersection = czm_rayEllipsoidIntersectionInterval(ray, ellipsoid);\n\ if (!czm_isEmpty(intersection)) {\n\ discard;\n\ }\n\ float fCos = dot(czm_sunDirectionWC, normalize(v_toCamera)) / length(v_toCamera);\n\ float fRayleighPhase = 0.75 * (1.0 + fCos*fCos);\n\ float fMiePhase = 1.5 * ((1.0 - g2) / (2.0 + g2)) * (1.0 + fCos*fCos) / pow(1.0 + g2 - 2.0*g*fCos, 1.5);\n\ const float fExposure = 2.0;\n\ vec3 rgb = fRayleighPhase * v_rayleighColor + fMiePhase * v_mieColor;\n\ rgb = vec3(1.0) - exp(-fExposure * rgb);\n\ float l = czm_luminance(rgb);\n\ gl_FragColor = vec4(rgb, min(smoothstep(0.0, 0.1, l), 1.0) * smoothstep(0.0, 1.0, u_morphTime));\n\ }\n\ "; }); ;�FI"required_assets_digest;�F"%6b7e91eea2a089d525d80db8a11921d3I" _version;�F"%6776f581a4329e299531e1d52aa59832