Function clear

clear(r: number, g: number, b: number): void
Clear the screen to a solid color.
Parameters
- r: number
  Red component (0-1)
- g: number
  Green component (0-1)
- b: number
  Blue component (0-1)
Returns void
Example
```
sg.clear(0.1, 0.1, 0.2); // dark blue background
```
- Defined in drawing.ts:12