FrustumCulling::FrustumCulling(
const Eigen::Vector3d& position, const Eigen::Quaterniond& orientation,
double horizontalFOV, double verticalFOV, double nearPlaneDist, double farPlaneDist
)
: position_( position ), orientation_( orientation )
{
ComputeFrustum( horizontalFOV, verticalFOV, nearPlaneDist, farPlaneDist );
}
void MeshRenderer::DoSceneObjectFrustumTest(SceneObject *obj, const Camera &camera, bool ignoreNearZ)
{
Frustum frustum;
ComputeFrustum(camera.ViewProjectionMatrix().ToSIMD(), frustum);
uint32 test = TestFrustumSphere(frustum, *obj->bound->bsphere, ignoreNearZ);
obj->bound->frustumTest = test > 0;
// early out - do not transform if the scene obj bounding box is not in view
if (test)
{
DoSceneObjectModelPartsFrustumTests(frustum, camera, ignoreNearZ, *obj->bound->modelPartsBound);
}
}
