public void Render()
{
var matrix = _viewMatrix.GetMatrix();
matrix.Column3 = Vector4.UnitW;
_shader.Use();
_shader.View = matrix;
_shader.Projection = _projectionMatrix.GetMatrix();
_vertexArray.Bind();
_vertexArray.Render(PrimitiveType.Lines);
}
public void Render()
{
if (_needUpdate)
{
const int size = sizeof(float) * 2;
var coord = _uvCoords[_index];
_vertexArrayHandle.VertexSubData(_offsets.ButtonLeft, size, new[] { coord.Min.X, coord.Min.Y })
.VertexSubData(_offsets.ButtonRight, size, new[] { coord.Max.X, coord.Min.Y })
.VertexSubData(_offsets.TopLeft, size, new[] { coord.Min.X, coord.Max.Y })
.VertexSubData(_offsets.TopRight, size, new[] { coord.Max.X, coord.Max.Y });
_needUpdate = false;
}
_vertexArrayHandle.Render();
}