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casic-smartcity-well-front / static / Cesium / Shaders / SkyAtmosphereFS.glsl
[wangxitong] on 8 Jul 2021 627 bytes mars3d总览
varying vec3 v_outerPositionWC;

#ifndef PER_FRAGMENT_ATMOSPHERE
varying vec3 v_mieColor;
varying vec3 v_rayleighColor;
#endif

void main (void)
{
    vec3 toCamera = czm_viewerPositionWC - v_outerPositionWC;
    vec3 lightDirection = getLightDirection(czm_viewerPositionWC);
    vec3 mieColor;
    vec3 rayleighColor;

#ifdef PER_FRAGMENT_ATMOSPHERE
    calculateMieColorAndRayleighColor(v_outerPositionWC, mieColor, rayleighColor);
#else
    mieColor = v_mieColor;
    rayleighColor = v_rayleighColor;
#endif

    gl_FragColor = calculateFinalColor(czm_viewerPositionWC, toCamera, lightDirection, mieColor, rayleighColor);
}