The camera block adds ray casting functionality to computers. The `'distance()`

function calculates the distance to the nearest block along the specified ray, which is defined by angles `x`

and `y`

; if no angle is specified, the angle values default to 0. Both angles form a frontal cone in front of the camera, with `x`

being the angle on a horizontal plane parallel to the ground, and `y`

, the angle on a vertical plane perpendicular to the ground. If no block exists in the path of the ray, a value of `-1`

is returned.

Last updated at 2018/03/01 04:03 for version 68516d21