Esempi in C++ (Cpp) per hkvMat3::setIdentity

Esempio n. 1

File: VControlHelperObjects.cpp Progetto: Alagong/projectanarchy

void VImageState::CreateTransformation(hkvMat3 &dest, const hkvVec2 &vOfs, float fRotation, float fScaling)
{
  dest.setIdentity();

  float sw = fScaling * hkvMath::sinDeg (fRotation);
  float cw = fScaling * hkvMath::cosDeg (fRotation);
  // upper 2x2 rotation part
  dest.m_Column[0][0] = cw; dest.m_Column[1][0] = -sw;
  dest.m_Column[0][1] = sw; dest.m_Column[1][1] = cw;
  
  // translation column
  dest.m_Column[2][0] = vOfs.x;
  dest.m_Column[2][1] = vOfs.y;
}