Microsoft DirectX 8.0 (Visual Basic) |
Returns fractional portion of each input component.
frc vDest, vSrc0
SetDestReg(); SetSrcReg(0); m_TmpReg.x = m_Source[0].x - (float)floor(m_Source[0].x); m_TmpReg.y = m_Source[0].y - (float)floor(m_Source[0].y); m_TmpReg.z = m_Source[0].z - (float)floor(m_Source[0].z); m_TmpReg.w = m_Source[0].w - (float)floor(m_Source[0].w); WriteResult();
This macro takes three instruction slots.
Each component of the result is in the range from 0.0 through 1.0.
This macro only writes x and y components.