| 43 | } |
| 44 | |
| 45 | void ViewVolume::SetAxes(Vector4<float> const& dVector, |
| 46 | Vector4<float> const& uVector, Vector4<float> const& rVector) |
| 47 | { |
| 48 | mDVector = dVector; |
| 49 | mUVector = uVector; |
| 50 | mRVector = rVector; |
| 51 | |
| 52 | float const epsilon = 0.01f; |
| 53 | float det = DotCross(mDVector, mUVector, mRVector); |
| 54 | if (std::fabs(1.0f - det) > epsilon) |
| 55 | { |
| 56 | #if defined(GTE_VALIDATE_COORDINATE_FRAME_ONCE) |
| 57 | if (mValidateCoordinateFrame) |
| 58 | { |
| 59 | mValidateCoordinateFrame = false; |
| 60 | |
| 61 | float lenD = Length(mDVector); |
| 62 | float lenU = Length(mUVector); |
| 63 | float lenR = Length(mRVector); |
| 64 | float dotDU = Dot(mDVector, mUVector); |
| 65 | float dotDR = Dot(mDVector, mRVector); |
| 66 | float dotUR = Dot(mUVector, mRVector); |
| 67 | if (std::fabs(1.0f - lenD) > epsilon |
| 68 | || std::fabs(1.0f - lenU) > epsilon |
| 69 | || std::fabs(1.0f - lenR) > epsilon |
| 70 | || std::fabs(dotDU) > epsilon |
| 71 | || std::fabs(dotDR) > epsilon |
| 72 | || std::fabs(dotUR) > epsilon) |
| 73 | { |
| 74 | LogError("Coordinate frame is not orthonormal."); |
| 75 | } |
| 76 | } |
| 77 | #endif |
| 78 | // The input vectors do not appear to form an orthonormal set. Time |
| 79 | // to renormalize. |
| 80 | Vector4<float> v[3] = { mDVector, mUVector, mRVector }; |
| 81 | Orthonormalize<4, float>(3, v); |
| 82 | mDVector = v[0]; |
| 83 | mUVector = v[1]; |
| 84 | mRVector = v[2]; |
| 85 | } |
| 86 | |
| 87 | OnFrameChange(); |
| 88 | } |
| 89 | |
| 90 | void ViewVolume::SetFrame(Vector4<float> const& position, Vector4<float> const& dVector, |
| 91 | Vector4<float> const& uVector, Vector4<float> const& rVector) |
no test coverage detected