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Results tagged with vertex
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user 83703
In geometry a vertex is a point defining the corners of polygons or intersections of lines. A triangle for example is defined by 3 vertices with lines between them. In 3D-graphical APIs like OpenGL and Direct3D a vertex is a data structure containing information about the positions, normals, colors, tangents etc of the points defining the triangular faces of 3D-meshes.
2
votes
Accepted
How do I make my indices anti-clockwise, so I can cull triangles in OpenGL? (immediate mode)
Solved by reversing the indices for the problematic bottom face.
Indices are now:
Indices = new int[]
{
// front face
0, 1, 2, 2, 3, 0,
// top face
3, 2, 6, 6, 7, …
- 51
2
votes
1
answer
648
views
How do I make my indices anti-clockwise, so I can cull triangles in OpenGL? (immediate mode)
At the moment, I'm attempting a basic game engine in OpenGL using immediate mode. I'm trying to render a cube. Cube is a class with the vertices, normals, and indices. Here is part of the Cube class:
…
- 51