[DirectX 5 Programmer's Reference] Directional (79.1549789621318%)

DirectX Media > Direct3D Retained-Mode > Direct3D Retained-Mode Overview > Direct3D Retained-Mode Architecture > IDirect3DRMLight and IDirect3DRMLightArray Interfaces

[DirectX 6 Programmer's Reference] Directional lights (28.5291388039542%)

DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Lighting and Materials > Lights > Introduction to Light Objects

[DirectX 7 Programmer's Reference] Directional Lights (28.5291388039542%)

Microsoft DirectX 7.0 > Direct3D > Direct3D Immediate Mode > Direct3D Immediate Mode Essentials > Lighting and Materials > Lights > Introduction to Light Objects