Finds and returns all entities within the specified cone. Only entities whose Entity:WorldSpaceCenter is within the cone are considered to be in it.
The "cone" is actually a conical "slice" of an axis-aligned box (see: ents.FindInBox). The image to the right shows approximately how this function would look in 2D. Due to this, the entity may be farther than the specified range!
An example usage of this function. This example shows which entities are being returned by the function with red lines and the range with white transparent box.