20 Transforming Points and Vectors
Q3Point3D_Transform
function to apply a transform to a three-dimensional point.
TQ3Point3D *Q3Point3D_Transform ( const TQ3Point3D *point3D, const TQ3Matrix4x4 *matrix4x4, TQ3Point3D *result);point3D
A three-dimensional point.matrix4x4
A 4-by-4 matrix.result
On exit, the point that is the result of multiplyingpoint3D
bymatrix4x4
.
Q3Point3D_Transform
function returns, as its function result and in the result
parameter, the point that is the result of multiplying the point point3D
by the matrix transform matrix4x4
. Note that on entry the result
parameter can be the same as the point3D
parameter.
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