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- /**
- * Computes the point along a ray at the given time. <code>time</code> can be positive, negative, or zero.
- *
- * @name czm_pointAlongRay
- * @glslFunction
- *
- * @param {czm_ray} ray The ray to compute the point along.
- * @param {float} time The time along the ray.
- *
- * @returns {vec3} The point along the ray at the given time.
- *
- * @example
- * czm_ray ray = czm_ray(vec3(0.0), vec3(1.0, 0.0, 0.0)); // origin, direction
- * vec3 v = czm_pointAlongRay(ray, 2.0); // (2.0, 0.0, 0.0)
- */
- vec3 czm_pointAlongRay(czm_ray ray, float time)
- {
- return ray.origin + (time * ray.direction);
- }
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