MT_Transform KX_Camera::GetWorldToCamera() const { MT_Transform camtrans; camtrans.invert(MT_Transform(NodeGetWorldPosition(), NodeGetWorldOrientation())); return camtrans; }
void KX_LightObject::BindShadowBuffer(RAS_IRasterizer *ras, KX_Camera *cam, MT_Transform& camtrans) { GPULamp *lamp; float viewmat[4][4], winmat[4][4]; int winsize; /* bind framebuffer */ lamp = GetGPULamp(); GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat); /* setup camera transformation */ MT_Matrix4x4 modelviewmat((float*)viewmat); MT_Matrix4x4 projectionmat((float*)winmat); MT_Transform trans = MT_Transform((float*)viewmat); camtrans.invert(trans); cam->SetModelviewMatrix(modelviewmat); cam->SetProjectionMatrix(projectionmat); cam->NodeSetLocalPosition(camtrans.getOrigin()); cam->NodeSetLocalOrientation(camtrans.getBasis()); cam->NodeUpdateGS(0); /* setup rasterizer transformations */ /* SetViewMatrix may use stereomode which we temporarily disable here */ RAS_IRasterizer::StereoMode stereomode = ras->GetStereoMode(); ras->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO); ras->SetProjectionMatrix(projectionmat); ras->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->GetCameraData()->m_perspective); ras->SetStereoMode(stereomode); }
MT_Point3 KX_NavMeshObject::TransformToLocalCoords(const MT_Point3& wpos) { MT_Matrix3x3 orientation = NodeGetWorldOrientation(); const MT_Vector3& scaling = NodeGetWorldScaling(); orientation.scale(scaling[0], scaling[1], scaling[2]); MT_Transform worldtr(NodeGetWorldPosition(), orientation); MT_Transform invworldtr; invworldtr.invert(worldtr); MT_Point3 lpos = invworldtr(wpos); return lpos; }
void KX_KetsjiEngine::PostProcessScene(KX_Scene* scene) { bool override_camera = (m_overrideCam && (scene->GetName() == m_overrideSceneName)); SG_SetActiveStage(SG_STAGE_SCENE); // if there is no activecamera, or the camera is being // overridden we need to construct a temporarily camera if (!scene->GetActiveCamera() || override_camera) { KX_Camera* activecam = NULL; RAS_CameraData camdata = RAS_CameraData(); if (override_camera) { camdata.m_lens = m_overrideCamLens; camdata.m_clipstart = m_overrideCamNear; camdata.m_clipend = m_overrideCamFar; camdata.m_perspective= !m_overrideCamUseOrtho; } activecam = new KX_Camera(scene,KX_Scene::m_callbacks,camdata); activecam->SetName("__default__cam__"); // set transformation if (override_camera) { const MT_CmMatrix4x4& cammatdata = m_overrideCamViewMat; MT_Transform trans = MT_Transform(cammatdata.getPointer()); MT_Transform camtrans; camtrans.invert(trans); activecam->NodeSetLocalPosition(camtrans.getOrigin()); activecam->NodeSetLocalOrientation(camtrans.getBasis()); activecam->NodeUpdateGS(0); } else { activecam->NodeSetLocalPosition(MT_Point3(0.0, 0.0, 0.0)); activecam->NodeSetLocalOrientation(MT_Vector3(0.0, 0.0, 0.0)); activecam->NodeUpdateGS(0); } scene->AddCamera(activecam); scene->SetActiveCamera(activecam); scene->GetObjectList()->Add(activecam->AddRef()); scene->GetRootParentList()->Add(activecam->AddRef()); //done with activecam activecam->Release(); } scene->UpdateParents(0.0); }
void RAS_OpenGLLight::BindShadowBuffer(RAS_ICanvas *canvas, KX_Camera *cam, MT_Transform& camtrans) { GPULamp *lamp; float viewmat[4][4], winmat[4][4]; int winsize; /* bind framebuffer */ lamp = GetGPULamp(); GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat); if (GPU_lamp_shadow_buffer_type(lamp) == LA_SHADMAP_VARIANCE) { m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_VARIANCE); } else { m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_SIMPLE); } /* GPU_lamp_shadow_buffer_bind() changes the viewport, so update the canvas */ canvas->UpdateViewPort(0, 0, winsize, winsize); /* setup camera transformation */ MT_Matrix4x4 modelviewmat((float *)viewmat); MT_Matrix4x4 projectionmat((float *)winmat); MT_Transform trans = MT_Transform((float *)viewmat); camtrans.invert(trans); cam->SetModelviewMatrix(modelviewmat); cam->SetProjectionMatrix(projectionmat); cam->NodeSetLocalPosition(camtrans.getOrigin()); cam->NodeSetLocalOrientation(camtrans.getBasis()); cam->NodeUpdateGS(0); /* setup rasterizer transformations */ /* SetViewMatrix may use stereomode which we temporarily disable here */ RAS_IRasterizer::StereoMode stereomode = m_rasterizer->GetStereoMode(); m_rasterizer->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO); m_rasterizer->SetProjectionMatrix(projectionmat); m_rasterizer->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->NodeGetLocalScaling(), cam->GetCameraData()->m_perspective); m_rasterizer->SetStereoMode(stereomode); }