Only one shadow? [Win/Web] [0.1.1]

[SibDiP]

Test stand :

OS: Windows 10 64-bit CPU Intel Core i3 4160 @ 3.60GHz Haswell 22nm Technology   RAM: 8,00ГБ Dual-Channel DDR3 (9-9-9-24)   Motherboard: Gigabyte Technology Co. Ltd. H81M-S1 (SOCKET 0)   Graphics: SyncMaster (1680x1050@60Hz)    Intel HD Graphics 4400 (Gigabyte)   Storage: 119GB Samsung SSD 850 PRO 128GB (SSD), 5581GB Microsoft Storage Space Device  

Programm Info:

Version: 0.1.1 Platform: desktop (Win/Web)

Descripton:

There is 3 light source with direction and sensitivity available but only "Main" has its own shadow.

Steps:

1. Open qtek-model-viewer.exe
2. Import any 3D model
3. Turn On and change all 3 direct light ("Main", "Secondary", "Tertiary") | Shadow will be calculate only by "Main".