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added comments at CreateRenderableCube

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hyzboy
2022-01-10 18:22:58 +08:00
parent e2af7fb15a
commit e679656604
4 changed files with 57 additions and 25 deletions
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70
src/SceneGraph/InlineGeometry.cpp
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@@ -249,27 +249,59 @@ namespace hgl
}
Renderable *CreateRenderableCube(RenderResource *db,const VAB *vab,const CubeCreateInfo *cci)
{ // Points of a cube.
/* 4 5 */ constexpr float points[]={ -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, +0.5f, +0.5f, -0.5f, +0.5f, +0.5f, -0.5f, -0.5f, -0.5f, +0.5f, -0.5f, -0.5f, +0.5f, +0.5f,
/* *------------* */ +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, -0.5f, +0.5f, -0.5f, -0.5f,
/* /| /| */ -0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, -0.5f, +0.5f, -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, +0.5f,
/* 0/ | 1/ | */ -0.5f, +0.5f, +0.5f, -0.5f, +0.5f, -0.5f, +0.5f, -0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, -0.5f };
/* *--+---------* | */ // Normals of a cube.
/* | | | | */ constexpr float normals[]={ +0.0f, +1.0f, +0.0f, +0.0f, +1.0f, +0.0f, +0.0f, +1.0f, +0.0f, +0.0f, +1.0f, +0.0f, +0.0f, -1.0f, +0.0f, +0.0f, -1.0f, +0.0f,
/* | 7| | 6| */ +0.0f, -1.0f, +0.0f, +0.0f, -1.0f, +0.0f, +0.0f, -0.0f, -1.0f, +0.0f, -0.0f, -1.0f, +0.0f, -0.0f, -1.0f, +0.0f, -0.0f, -1.0f,
/* | *---------+--* */ +0.0f, -0.0f, +1.0f, +0.0f, -0.0f, +1.0f, +0.0f, -0.0f, +1.0f, +0.0f, -0.0f, +1.0f, -1.0f, -0.0f, +0.0f, -1.0f, -0.0f, +0.0f,
/* | / | / */ -1.0f, -0.0f, +0.0f, -1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f };
/* |/ 2|/ */ // The associated indices.
/* 3*------------* */ constexpr uint16 indices[]={ 0, 2, 1, 0, 3, 2, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11, 12, 15, 14, 12, 14, 13, 16, 17, 18, 16, 18, 19, 20, 23, 22, 20, 22, 21 };
{
/**
* 4 5
* *------------* Z Y
* /| /| | Y | Z
* 0/ | 1/ | | / | /
* *--+---------* | | / | /
* | | | | | / | /
* | 7| | 6| |/ |/
* | *---------+--* *-----------X *-----------X
* | / | /
* |/ 2|/ my Cubemap
* 3*------------*
*
* 注：cubemap纹理坐标系依然遵循OpenGL时代定下的坐标系，所以这里的position虽然使用vulkan坐标系，但在shader中当做cubemap纹理坐标使用时，需要在shader中转换为opengl坐标系(交换yz即可)
*/
constexpr float tangents[] = { +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f,
+1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f,
+1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, 0.0f, 0.0f,+1.0f, 0.0f, 0.0f,+1.0f,
0.0f, 0.0f,+1.0f, 0.0f, 0.0f,+1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f };
// Points of a cube.
constexpr float points[]={ -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, +0.5f, +0.5f, -0.5f, +0.5f, +0.5f, -0.5f, -0.5f,
-0.5f, +0.5f, -0.5f, -0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, -0.5f,
-0.5f, -0.5f, -0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, -0.5f, +0.5f, -0.5f, -0.5f,
-0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, -0.5f, +0.5f,
-0.5f, -0.5f, -0.5f, -0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, -0.5f, +0.5f, -0.5f,
+0.5f, -0.5f, -0.5f, +0.5f, -0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, +0.5f, -0.5f};
constexpr float tex_coords[] ={ 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f };
// Normals of a cube.
constexpr float normals[]={ +0.0f, +1.0f, +0.0f, +0.0f, +1.0f, +0.0f, +0.0f, +1.0f, +0.0f, +0.0f, +1.0f, +0.0f,
+0.0f, -1.0f, +0.0f, +0.0f, -1.0f, +0.0f, +0.0f, -1.0f, +0.0f, +0.0f, -1.0f, +0.0f,
+0.0f, -0.0f, -1.0f, +0.0f, -0.0f, -1.0f, +0.0f, -0.0f, -1.0f, +0.0f, -0.0f, -1.0f,
+0.0f, -0.0f, +1.0f, +0.0f, -0.0f, +1.0f, +0.0f, -0.0f, +1.0f, +0.0f, -0.0f, +1.0f,
-1.0f, -0.0f, +0.0f, -1.0f, -0.0f, +0.0f, -1.0f, -0.0f, +0.0f, -1.0f, -0.0f, +0.0f,
+1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f, +1.0f, -0.0f, +0.0f};
constexpr float tangents[] = { +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f,
+1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f,
+1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f, +1.0f, 0.0f, 0.0f,
0.0f, 0.0f,+1.0f, 0.0f, 0.0f,+1.0f, 0.0f, 0.0f,+1.0f, 0.0f, 0.0f,+1.0f,
0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f, 0.0f, 0.0f,-1.0f};
constexpr float tex_coords[] ={ 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f};
// The associated indices.
constexpr uint16 indices[]={ 0, 2, 1, 0, 3, 2,
4, 5, 6, 4, 6, 7,
8, 9, 10, 8, 10, 11,
12, 15, 14, 12, 14, 13,
16, 17, 18, 16, 18, 19,
20, 23, 22, 20, 22, 21};
RenderableCreater rc(db,vab);