public void Draw(GeometricPrimitives gp, int start, int count)
{
if (start < 0 || start + count > ElementCount)
{
throw new IndexOutOfRangeException();
}
Use(() => GL.DrawElements((PrimitiveType)gp, count, DrawElementsType.UnsignedInt, start));
}
public void Draw(GeometricPrimitives gp, int start, int count)
{
if (start < 0 || start + count > VertexCount)
{
throw new IndexOutOfRangeException();
}
Use(() => GL.DrawArrays((PrimitiveType)gp, start, count));
}
static VertexPositionTexture[] CreateQuadUv(Faces face)
{
var quad = GeometricPrimitives.GetQuad(face);
var mesh = new VertexPositionTexture[quad.Length];
for (var i = 0; i < quad.Length; i++)
{
mesh[i] = new VertexPositionTexture(quad[i], GeometricPrimitives.QuadUv[i]);
}
return(mesh);
}
public Model(GeometricPrimitives prim = GeometricPrimitives.Triangles) => _primitive = prim;
public void Draw(GeometricPrimitives gp, int count)
{
Draw(gp, 0, count);
}
public void Draw(GeometricPrimitives gp)
{
Draw(gp, 0, ElementCount);
}
public void Draw(GeometricPrimitives gp)
{
Draw(gp, 0, VertexCount);
}
public Face(IVertexRenderer ic, GeometricPrimitives pr)
{
Indices = ic ?? throw new ArgumentNullException(nameof(ic));
Primitive = pr;
}
