20 Transforming Points and Vectors
Q3RationalPoint4D_Transform
function to apply a transform to a four-dimensional rational point.
TQ3RationalPoint4D *Q3RationalPoint4D_Transform ( const TQ3RationalPoint4D *point4D, const TQ3Matrix4x4 *matrix4x4, TQ3RationalPoint4D *result);point4D
A four-dimensional point.matrix4x4
A 4-by-4 matrix.result
On exit, the point that is the result of multiplyingpoint4D
bymatrix4x4
.
Q3RationalPoint4D_Transform
function returns, as its function result and in the result
parameter, the point that is the result of multiplying the rational point point4D
by the matrix transform matrix4x4
. Note that on entry the result
parameter can be the same as the point4D
parameter.
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