void CreateVertexBuffer3()
{
var vertexAttribute = RendererHelper.attributeVertexPositionColor <float, float>();
VertexPositionColor <float, float>[] vertices =
{
new VertexPositionColor <float, float>(new Vec3 <float>(0.0f, -0.5f, 0.0f), new Color <float>(1.0f, 0.0f, 0.0f, 1.0f)),
new VertexPositionColor <float, float>(new Vec3 <float>(-0.5f, 0.5f, 0.0f), new Color <float>(0.0f, 1.0f, 0.0f, 1.0f)),
new VertexPositionColor <float, float>(new Vec3 <float>(0.0f, 0.5f, 0.0f), new Color <float>(0.0f, 0.0f, 1.0f, 1.0f))
};
int[] indices =
{
0, 1, 2
};
vb3 = graphics.CreateVertexBufferIndexed(vertices, indices, BufferUsage.StaticDraw, vertexAttribute.Value);
}
/// <summary>
/// Creates a indexed vertex buffer by using a vec3 array
/// </summary>
void CreateVertexBuffer2()
{
// Either create the attribute manually or use the built-in function
//var vertexAttribute = new VertexAttribute(3, DataType.Single, 3 * sizeof(float), 0);
var vertexAttribute = RendererHelper.attributeVertexPositionTexture <float, float>();
/// When you have only positions you can either use the pos array directly or use the vertices array
Vec3 <float>[] pos =
{
new Vec3 <float>(0.0f, -0.5f, 0.0f),
new Vec3 <float>(0.5f, -0.5f, 0.0f),
new Vec3 <float>(0.5f, 0.5f, 0.0f),
new Vec3 <float>(0.0f, 0.5f, 0.0f)
};
Vec2 <float>[] tex =
{
new Vec2 <float>(0.0f, 1.0f),
new Vec2 <float>(1.0f, 1.0f),
new Vec2 <float>(1.0f, 0.0f),
new Vec2 <float>(0.0f, 0.0f)
};
VertexPosTex <float, float>[] vertices =
{
new VertexPosTex <float, float>(pos[0], tex[0]),
new VertexPosTex <float, float>(pos[1], tex[1]),
new VertexPosTex <float, float>(pos[2], tex[2]),
new VertexPosTex <float, float>(pos[3], tex[3])
};
uint[] indices =
{
0, 1, 2,
0, 2, 3
};
// create vertex buffer object with vertex data, an attribute and indices
vb2 = graphics.CreateVertexBufferIndexed(vertices, indices, BufferUsage.StaticDraw, vertexAttribute.Value);
}
