Function setRotY

  • Sets the elements of the 4x4 matrix m so it becomes a 3D rotation matrix.

    The resulting matrix will rotate points in the xz-plane around the y-axis when multiplied by a column vector (see mulV).

    The direction of rotation will be counterclockwise for positive values of r when the axis points towards the observer

    Parameters

    • m: Mat4

      a 4x4 matrix object

    • r: number

      the rotation as an angle in radians

    Returns Mat4

    m set to be a 3D rotation matrix

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