20 Adding and Subtracting Vectors
Q3Vector2D_Add
function to add two two-dimensional vectors.
TQ3Vector2D *Q3Vector2D_Add ( const TQ3Vector2D *v1, const TQ3Vector2D *v2, TQ3Vector2D *result);v1
A two-dimensional vector.v2
A two-dimensional vector.result
On exit, the sum ofv1
andv2
.
Q3Vector2D_Add
function returns, as its function result and in the result
parameter, the two-dimensional vector that is the sum of the two vectors v1
and v2
. Note that on entry the result
parameter can be the same as either v1
or v2
(or both).
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