Average sums all vector4's components together and divides each component by the number of vectors added.

Fill creates a vector where each component is equal to v.

Builds a vector from the data found from the passed in array to the best of it's ability.

Lerp linearly interpolates between a and b by t.

New creates a new vector with corresponding 3 components.

One is (1, 1, 1).

Zero is (0, 0, 0).

Vector contains 4 components.