#### Functional

##### Run the program using `cargo run`.

###### Does it compile and run without any warnings?

##### Left click in the canvas to set one or more control points.

###### Does the program allow you to mark these control points?

###### Can You confirm that the program draws a small circle around the control points, in order to identify them?

##### Left click in the canvas to set one or more control points and press `Enter`.

###### Does the animation of the Chaikin's algorithm starts?

##### Left click in the canvas to set just one control point and press `Enter`.

###### Can you confirm that only the control point is shown and nothing changes?

##### Left click in the canvas to set just two control points and press `Enter`.

###### Can you confirm that only a straight line was drawn?

##### Left click in the canvas to set one or more control points and press `Enter`.

###### Does the animation complete 7 steps before starting again?

##### Left click in the canvas to set one or more control points and press `Enter` then press `Escape`.

###### Does the program exit without errors?

##### Press `Enter` without selecting any points.

###### Does the program returns an error?

##### Bonus

###### +Is it possible to clear the screen and add new control points without killing and relaunching the program?

###### +Is it possible to drag the control points in real time and get a new curve?