Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 425.31
Broken: version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-04 22:32, hash: rBe80cbdac331a
Short description of error
If the camera is too close to the object the knife tool fail to follow the direction of the pointer. (in both ortho and perspective)
Exact steps for others to reproduce the error
Please open the attached file and try to cut some edges as I do in the video.