TV_2DVECTOR

This convenient structure holds 2 variables and is primarily used to hold a point in the 2D space. It is used intensively throughout the engine.

DECLARATION

VB.NET	Public Structure TV_2DVECTOR Public x, y As Single End Structure
C++	public: struct TV_2DVECTOR { float x, y; };
C#	public struct TV_2DVECTOR { float x, y; };

Name	Description
x	The x value of the vector
y	The y value of the vector

VB.NET	`TV_2DVECTOR(Single x, Single y) TV_2DVECTOR(void)`
C++	`TV_2DVECTOR(float x, float y) TV_2DVECTOR(void) TV_2DVECTOR(TV_2DVECTOR*)`

C#.NET

TV_2DVECTOR vec1 = new TV_2DVECTOR(0.5f, 0.5f);

You can perform addition, subtraction, multiplication and division operations on TV_2DVECTOR objects using the standard +, -, /, * symbols
For more information about vectors in general you might want to check out this wiki page about Vector space