유니티의 라이팅이 안 이쁘다구요? (A to Z of Lighting)

유니티테크놀로지스코리아필드 엔지니어 오지현

A TO ZOF

LIGHTING

Lambertian Physically Based

N dot L

LAMBERT

image : http://www.gamedevforever.com/228

image : unity manual

LambertHalf Lambert /

Wrapped Diffuse

Toon Ramp

image : http://mtnphil.wordpress.com/

Indirect Lights

Directional Lights

http://docs.unity3d.com/356/Documentation/Manual/LightProbes.html

Light Probes

http://docs.unity3d.com/356/Documentation/Manual/LightProbes.html

http://www.mrbluesummers.com/3510/3d-tutorials/3dsmax-mental-ray-sub-surface-scattering-guide

SubSurface Scatering표면하산란

image : http://www.farfarer.com/blog/2013/02/11/pre-integrated-skin-shader-unity-3d/

Pre-Intergrated SkinFake SSS

Color CorrectionColor Grading

http://docs.unity3d.com/Manual/script-ColorCorrectionEffect.html

AN EXAMPLE OF THE PC GAME

AN EXAMPLE OF THE MOBILE GAME

AN EXAMPLE OF THE MOBILE GAME

AN EXAMPLE OF THE MULTI PLATFORM GAME

The Evolution

of

Game Graphics

Metal Gear Solid by FOX Engine

Physically

Based

Rendering

Next Evolution :

Refraction(굴절)

Snell’s Law

Reflection (반사)

image : www.superhqwallpapers.com

image : http://www.gamedevforever.com/35

Everything has fresnel

diffuse specular

image : Everythig is shiny, John hable

image : physics and math of shading, siggraph 2013

Lights

image : physics and math of shading, siggraph 2013

Lights

Microfacet Microgeometry미세표면

Roughness Glossiness거칠기

image : Mastering Physically Based Shading in Unity 5, Unite2014

Metals

colored reflection more reflective

image : wikipedia

Reflection

ReflectionProbes

image : http://www.aversis.be/tutorials/vray/vray-20-gi-methods.htm

Indirect Lights

Cubemap

Image Base Lighting

High Dynamic Range

One Standard Shader

Conservation of Energy에너지 보존 법칙

Incoming Light =>

diffuse + reflection + refraction

Sharper reflections = stronger

blurry reflections = dimmer

http://forum.unity3d.com/threads/real-time-global-illumination-for-all-versions-of-unity-w-i-p.206191/

Global Illumination

Thank you !