ellipsoidWgs84TextureCoordinates.glsl 250 B

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  1. /**
  2. * DOC_TBA
  3. *
  4. * @name czm_ellipsoidWgs84TextureCoordinates
  5. * @glslFunction
  6. */
  7. vec2 czm_ellipsoidWgs84TextureCoordinates(vec3 normal)
  8. {
  9. return vec2(atan(normal.y, normal.x) * czm_oneOverTwoPi + 0.5, asin(normal.z) * czm_oneOverPi + 0.5);
  10. }