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Meshes in computer graphics are three-dimensional points in space that are connected into a group of shapes, which define the shape of an object. In Grindstone, triangles are stored in MeshAssets.

Meshes can be used in a scene with MeshComponents, but will not show a visible result without MeshRendererComponentss, which reference Materials.

Technical Details

Meshes are built using vertices and indices.

A vertex buffer contains, for each point in space, at least some of the following parameters:

Parameter	Description
Position	The position (x, y, z) of the point in three dimensional space.
Normals	The direction perpendicular (90 degrees away) from this face.
Tangents	The direction parallel (along) this face. Used for normal mapping.
TexCoord0	The 2d coordinates (x, y) that will be used to wrap a texture onto the surface.
TexCoord1	Additional texture coordinates, often used for lightmaps.

An index buffer is a list of indices, or numbers that specify the orders of the vertices in the vertex buffer. Usually used so that three indices refer to one triangle, so for example, 0 1 2 1 2 4 can provide two triangles with shared verices that may be used to build a rectangle.