C++ (Cpp) Matrix4x4::AddTranslation Examples

Example #1

File: matrix.cpp Project: BSVino/Digitanks

Matrix4x4 Matrix4x4::ConstructCameraView(const Vector& vecPosition, const Vector& vecDirection, const Vector& vecUp)
{
	Matrix4x4 m;
	
	m.Identity();

	TAssertNoMsg(fabs(vecDirection.LengthSqr()-1) < 0.0001f);

	Vector vecCamSide = vecDirection.Cross(vecUp).Normalized();
	Vector vecCamUp = vecCamSide.Cross(vecDirection);

	m.SetForwardVector(Vector(vecCamSide.x, vecCamUp.x, -vecDirection.x));
	m.SetLeftVector(Vector(vecCamSide.y, vecCamUp.y, -vecDirection.y));
	m.SetUpVector(Vector(vecCamSide.z, vecCamUp.z, -vecDirection.z));

	m.AddTranslation(-vecPosition);

	return m;
}