A read-only property with a DAVector2 value that represents the unit vector on the x-axis. The vector's length is always 1, the direction is always the same as the positive x-axis.
lib.XVector2
A read-only property with a DAVector2 value that represents the unit vector on the y-axis. The vector's length is always 1, the direction is always the same as the positive y-axis.
lib.YVector2
A read-only property with a DAVector2 value that represents the null vector. The vector's length is always 0, the direction is undefined.
lib.ZeroVector2
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