multiplyByMatrix3
Multiplies a transformation matrix (with a bottom row of [0.0, 0.0, 0.0, 1.0]
) by a 3x3 rotation matrix. This is an optimization for Matrix4.multiply(m, Matrix4.fromRotationTranslation(rotation), m);
with less allocations and arithmetic operations.
// Instead of Matrix4.multiply(m, Matrix4.fromRotationTranslation(rotation), m);
Matrix4.multiplyByMatrix3(m, rotation, m);
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Return
The modified result parameter.
Parameters
matrix
The matrix on the left-hand side.
rotation
The 3x3 rotation matrix on the right-hand side.
result
The object onto which to store the result.