//This file is automatically rebuilt by the Cesium build process. export default "uniform sampler2D colorTexture;\n\ uniform sampler2D colorTexture2;\n\ uniform vec2 center;\n\ uniform float radius;\n\ varying vec2 v_textureCoordinates;\n\ void main()\n\ {\n\ vec4 color0 = texture2D(colorTexture, v_textureCoordinates);\n\ vec4 color1 = texture2D(colorTexture2, v_textureCoordinates);\n\ float x = length(gl_FragCoord.xy - center) / radius;\n\ float t = smoothstep(0.5, 0.8, x);\n\ gl_FragColor = mix(color0 + color1, color1, t);\n\ }\n\ ";