/// <summary>
/// Draw the screen element.
/// </summary>
/// <param name="offset">The relative position on the screen.</param>
/// <param name="scaling">The scale of the screen element.</param>
public void Draw(Vector2 offset, float scaling)
{
if (disposed)
{
return;
}
var screenSize = Screen.Size.ToVector2();
Vector3 scale = new Vector3(scaling, scaling, z: 1f) * screenSize.Length;
var translate = new Vector3((offset - new Vector2(x: 0.5f, y: 0.5f)) * screenSize);
Matrix4 model = Matrix4.Identity * Matrix4.CreateScale(scale) * Matrix4.CreateTranslation(translate);
drawGroup.BindVertexArray();
Shaders.ScreenElement.Use();
Shaders.ScreenElement.SetMatrix4("model", model);
Shaders.ScreenElement.SetVector3("color", color);
Shaders.ScreenElement.SetInt("tex", texUnit);
drawGroup.DrawElements(PrimitiveType.Triangles);
GL.BindVertexArray(array: 0);
GL.UseProgram(program: 0);
}
/// <summary>
/// Draw the bounding box.
/// </summary>
/// <param name="position">The position at which the box should be drawn.</param>
public void Draw(Vector3 position)
{
if (disposed)
{
return;
}
drawGroup.BindVertexArray();
Shaders.Selection.Use();
Matrix4 model = Matrix4.Identity * Matrix4.CreateTranslation(position);
Shaders.Selection.SetMatrix4("model", model);
Shaders.Selection.SetMatrix4("view", Application.Client.Player.GetViewMatrix());
Shaders.Selection.SetMatrix4("projection", Application.Client.Player.GetProjectionMatrix());
drawGroup.DrawElements(PrimitiveType.Lines);
GL.BindVertexArray(array: 0);
GL.UseProgram(program: 0);
}
/// <summary>
/// Draw the overlay.
/// </summary>
public void Draw()
{
if (disposed)
{
return;
}
GL.Enable(EnableCap.Blend);
drawGroup.BindVertexArray();
Shaders.Overlay.Use();
Shaders.Overlay.SetInt("texId", textureId);
Shaders.Overlay.SetInt("tex", samplerId);
drawGroup.DrawElements(PrimitiveType.Triangles);
GL.BindVertexArray(array: 0);
GL.UseProgram(program: 0);
GL.Disable(EnableCap.Blend);
}
