diff options
Diffstat (limited to 'source/gameengine/Ketsji/KX_Camera.cpp')
| -rw-r--r-- | source/gameengine/Ketsji/KX_Camera.cpp | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/source/gameengine/Ketsji/KX_Camera.cpp b/source/gameengine/Ketsji/KX_Camera.cpp index 98ea25c135a..a488d646792 100644 --- a/source/gameengine/Ketsji/KX_Camera.cpp +++ b/source/gameengine/Ketsji/KX_Camera.cpp @@ -271,18 +271,18 @@ void KX_Camera::ExtractFrustumSphere() if (m_set_frustum_center) return; - // compute sphere for the general case and not only symmetric frustum: - // the mirror code in ImageRender can use very asymmetric frustum. - // We will put the sphere center on the line that goes from origin to the center of the far clipping plane - // This is the optimal position if the frustum is symmetric or very asymmetric and probably close - // to optimal for the general case. The sphere center position is computed so that the distance to - // the near and far extreme frustum points are equal. - - // get the transformation matrix from device coordinate to camera coordinate + // compute sphere for the general case and not only symmetric frustum: + // the mirror code in ImageRender can use very asymmetric frustum. + // We will put the sphere center on the line that goes from origin to the center of the far clipping plane + // This is the optimal position if the frustum is symmetric or very asymmetric and probably close + // to optimal for the general case. The sphere center position is computed so that the distance to + // the near and far extreme frustum points are equal. + + // get the transformation matrix from device coordinate to camera coordinate MT_Matrix4x4 clip_camcs_matrix = m_projection_matrix; clip_camcs_matrix.invert(); - if (m_projection_matrix[3][3] == MT_Scalar(0.0)) + if (m_projection_matrix[3][3] == MT_Scalar(0.0)) { // frustrum projection // detect which of the corner of the far clipping plane is the farthest to the origin @@ -302,7 +302,7 @@ void KX_Camera::ExtractFrustumSphere() MT_Scalar len; for (int i=0; i<4; i++) { - hpoint = clip_camcs_matrix*npoint; + hpoint = clip_camcs_matrix*npoint; point.setValue(hpoint[0]/hpoint[3], hpoint[1]/hpoint[3], hpoint[2]/hpoint[3]); len = point.dot(point); if (len > F) @@ -321,7 +321,7 @@ void KX_Camera::ExtractFrustumSphere() farcenter *= 0.25; // the extreme near point is the opposite point on the near clipping plane nfar.setValue(-nfar[0], -nfar[1], -1., 1.); - nfar = clip_camcs_matrix*nfar; + nfar = clip_camcs_matrix*nfar; nearpoint.setValue(nfar[0]/nfar[3], nfar[1]/nfar[3], nfar[2]/nfar[3]); // this is a frustrum projection N = nearpoint.dot(nearpoint); @@ -340,7 +340,7 @@ void KX_Camera::ExtractFrustumSphere() z = (F-N)/(2.0*(e-s+c*(f-n))); m_frustum_center = MT_Point3(farcenter[0]*z/e, farcenter[1]*z/e, z); m_frustum_radius = m_frustum_center.distance(farpoint); - } + } else { // orthographic projection @@ -923,6 +923,8 @@ KX_PYMETHODDEF_DOC_O(KX_Camera, getScreenPosition, if (!PyVecTo(value, vect)) { + PyErr_Clear(); + if(ConvertPythonToGameObject(value, &obj, true, "")) { PyErr_Clear(); @@ -1020,10 +1022,8 @@ KX_PYMETHODDEF_DOC_VARARGS(KX_Camera, getScreenRay, return NULL; PyObject* argValue = PyTuple_New(2); - if (argValue) { - PyTuple_SET_ITEM(argValue, 0, PyFloat_FromDouble(x)); - PyTuple_SET_ITEM(argValue, 1, PyFloat_FromDouble(y)); - } + PyTuple_SET_ITEM(argValue, 0, PyFloat_FromDouble(x)); + PyTuple_SET_ITEM(argValue, 1, PyFloat_FromDouble(y)); if(!PyVecTo(PygetScreenVect(argValue), vect)) { |