Camera::Camera(float fov, float width, float height, XMFLOAT4 lookAtTarget, XMFLOAT4 position, XMFLOAT4 up)
{
SetFOV(fov);
SetViewSize(width, height);
SetLookAtTarget(lookAtTarget);
SetPosition(position);
SetUpVector(up);
}
Camera::Camera()
{
SetFOV(0.0f);
SetAspectRatio(0.0f);
SetLookAtTarget(XMFLOAT4(0.0f, 0.0f, 0.0f, 1.0f));
SetPosition(XMFLOAT4(0.0f, 0.0f, 0.0f, 1.0f));
SetUpVector(XMFLOAT4(0.0f, 1.0f, 0.0f, 1.0f));
}
Matrix4x4::Matrix4x4(const Vector& vecForward, const Vector& vecUp, const Vector& vecRight, const Vector& vecPosition)
{
SetForwardVector(vecForward);
SetUpVector(vecUp);
SetRightVector(vecRight);
SetTranslation(vecPosition);
m[0][3] = 0;
m[1][3] = 0;
m[2][3] = 0;
m[3][3] = 1;
}
void Matrix4x4::SetOrientation(const Vector& v, const Vector& vecUp)
{
Vector vecDir = v.Normalized();
Vector vecLeft;
if (vecDir != vecUp && vecDir != -vecUp)
vecLeft = vecUp.Cross(vecDir).Normalized();
else
vecLeft = Vector(0, 1, 0);
SetForwardVector(vecDir);
SetLeftVector(vecLeft);
SetUpVector(vecDir.Cross(vecLeft).Normalized());
}
void C3dCamera::ReInit()
{
SetLookAtPos(0.0f, 0.0f, 0.0f);
SetEyePos(9.0f, 9.0f, 9.0f);
SetFocalLength(9.0f);
SetRotationAboutLookAt(-30.0f, 0.0f, -30.0f);
SetUpVector(0.0f, 0.0f, 1.0f); // Z-Axis is up
m_fPitch = 0.0f;
m_fYaw = 0.0f;
m_fRoll = 0.0f;
m_fFovY = 45.0f;
m_fNear = 1.0f;
m_fFar = 10000.0f;
m_bPerspective = TRUE;
m_bBuildLists = TRUE;
m_iDisplayLists = 0;
m_bResetClippingPlanes = TRUE;
// Clear our modelview and projection matrix
memset(&m_dModelViewMatrix, 0, sizeof(GLdouble)*16);
memset(&m_dProjectionMatrix, 0, sizeof(GLdouble)*16);
}
