PVector& first()

Returns the first PVector in the array

Returns

A reference to the first PVector in the array

Example

VectorArr arr({PVector(1, 2, 3), PVector(4, 5, 6)});
arr.first() += PVector(1, 1, 1);
//arr.arr = [[2, 3, 4], [4, 5, 6]]