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AtwoodDeng · Feb 22, 2018 · 5e004a0 · 5e004a0
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diff --git a/Images/Diffuse.jpg b/Images/Diffuse.jpg
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diff --git a/LICENSE b/LICENSE
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diff --git a/README.md b/README.md
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 # Journey Sand
 A Unity project to remake the scene in Journey.
 
-![Screenshot](Images/Title2.jpg)
+********
+
+A demo image for the scene in the project :
+
+![Screenshot](Images/Title2.jpg)
+
+The reference scene from Journey :
+
+![Screenshot](Images/ReferenceImg.jpg)
+
+(Image Source: GDC Vault 2012 - https://www.gdcvault.com/play/1017742/Sand-Rendering-in)
+
+******
+
+## Diffuse
+
+A modified Oren Nayar model is used here:
+
+![Screenshot](Images/Diffuse.jpg)
+
+******
+
+## Height map(Normal map)
+
+The terrain is separated into X-direction and Z-direction.
+
+![Screenshot](Images/NormalXZ.jpg)
+
+Normal map in X and Z direction is applied to different orientations.
+
+![Screenshot](Images/NormalXZSmooth.jpg)
+
+TBN convert the normal to correct direction
+
+![Screenshot](Images/NormalDetail.jpg)
+
+The overall effect :
+
+![Screenshot](Images/Normal.jpg)
+
+******
+
+## Specular
+
+I'm using a basic Blinn model in the specular effect.
+
+![Screenshot](Images/Specular.jpg)
+
+******
+
+## Glitter
+
+Not 100% sure about the noise function. Here is a fake effect to simulate the one in Journey.
+
+![Screenshot](Images/Glitter.jpg)
+
+![Screenshot](Images/GlitterEffect.jpg)
+
+******
+
+## Post Effect
+
+The result without any screen-base effect:
+
+![Screenshot](Images/Post1.jpg)
+
+Add Bloom: (Post Processing Stack)
+
+![Screenshot](Images/Post2.jpg)
+
+Add Tone map and LUT :(Post Processing Stack)
+
+![Screenshot](Images/Post3.jpg)
+
+Add Sharpen and saturation : (Beautify https://assetstore.unity.com/packages/vfx/shaders/fullscreen-camera-effects/beautify-61730)
+
+![Screenshot](Images/Post4.jpg)
+
+## License
+
+[![License: CC BY-SA 4.0](https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg)](https://creativecommons.org/licenses/by-sa/4.0/)