- Construct object (e.g. when new finger goes down)
- Construct object (e.g. when new finger goes down)
-`start_drawing` with initial position (e.g. with finger down position)
-`start_drawing` with initial position (e.g. with finger down position)
- Upon new location (e.g. finger motion to new position), setup Opengl state (use shader, bind FBO, bind VAO, **bind VBO**, set viewport, bind textures) and call `draw`. Call `redraw` with all required FBO/texture combinations.
- Upon new location (e.g. finger motion to new position), setup Opengl state (use shader`draw`, bind FBO, bind VAO, **bind VBO**, set viewport, bind textures) and call `draw`. Call `redraw` with all required FBO/texture combinations.
- Destruct when drawing this line is finished (e.g. finger is lifted)
- Destruct when drawing this line is finished (e.g. finger is lifted)
