Topenglpanel -

procedure TMyOpenGLPanel.OnTimer(Sender: TObject); begin FAngle := FAngle + 2; if FAngle >= 360 then FAngle := FAngle - 360; Repaint; // triggers Paint method end;

uses System.SysUtils, System.Classes, System.Math.Vectors, FMX.Types, FMX.Controls3D, FMX.Objects3D, FMX.MaterialSources, FMX.Controls.Presentation, FMX.Controls, FMX.Forms, FMX.Types3D, FMX.Context.GLES, FMX.Layers3D; TOpenGlPanel

type TMyOpenGLPanel = class(TOpenGLPanel) private FAngle: Single; FTimer: TTimer; procedure OnTimer(Sender: TObject); protected procedure Paint; override; procedure Resize; override; public constructor Create(AOwner: TComponent); override; destructor Destroy; override; procedure StartAnimation; procedure StopAnimation; end; procedure TMyOpenGLPanel

// Set shader program (simple fixed-function style) Context.SetShader(TShaderManager.DefaultShader); procedure TMyOpenGLPanel.OnTimer(Sender: TObject)