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Apply the list on README.md

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daemyung jang 2021-04-21 00:10:11 +09:00
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2
01-introduction-to-metal/README.md
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@ -4,7 +4,7 @@ As I read this book, I summarize what I think is wrong. If you think my comments
## The pipeline state
When this book creates a pipeline state, they manually set the output pixel format like below.
* When this book creates a pipeline state, they manually set the output pixel format like below.
```
pipelineDescriptor.colorAttachments[0].pixelFormat = .bgra8Unorm

4
02-3d-models/README.md
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@ -4,11 +4,11 @@ As I read this book, I summarize what I think is wrong. If you think my comments
## Metal coordinate system
The book doesn't mention that The Metal NDC(Normalized Device Coordinate) system is the left-hand coordinate system.
* The book doesn't mention that The Metal NDC(Normalized Device Coordinate) system is the left-hand coordinate system.
![](https://upload.wikimedia.org/wikipedia/commons/b/b2/3D_Cartesian_Coodinate_Handedness.jpg)
To show the train, this book modified the model file itself. It's not bad but I believe that the model file should be remained to original. Instead of changing y position to -1, we can modify the vertex shader code like below and get the same result.
* To show the train, this book modified the model file itself. It's not bad but I believe that the model file should be remained to original. Instead of changing y position to -1, we can modify the vertex shader code like below and get the same result.
```
vertex float4 vertex_main(const VertexIn vertex_in [[ stage_in ]]) {