增加水面线显示效果

xiebin

2023-02-14 416d6aafa95c99f0461f79ffd0577e8a9f7a5b3d

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/**
 * DOC_TBA
 *
 * @name czm_ray
 * @glslStruct
 */
struct czm_ray
{
    vec3 origin;
    vec3 direction;
};