> For the complete documentation index, see [llms.txt](https://canvas-lang.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://canvas-lang.gitbook.io/home/basics/markdown.md).

# Commands

Learn All Commands in canvas-lang

### Commands

#### Background

Set the background color for the canvas:

```
background "color";
```

Colors can be named colors like "red", "blue", "green", or hex colors like "#FF5733".

#### Circle

Draw a circle:

```
circle at (x, y) radius r fill "color";
```

* `x, y`: Coordinates for the center of the circle
* `r`: Radius of the circle
* `color`: Fill color

#### Rectangle

Draw a rectangle:

```
rect at (x, y) width w height h fill "color";
```

* `x, y`: Coordinates for the top-left corner
* `w`: Width of the rectangle
* `h`: Height of the rectangle
* `color`: Fill color

#### Text

Display text:

```
text "Your text" at (x, y) size s color "color";
```

* `"Your text"`: The text to display
* `x, y`: Coordinates for the text
* `s`: Text size (affects font selection - larger values use larger fonts)
* `color`: Text color

#### Line

Draw a line:

```
line from (x1, y1) to (x2, y2) color "color";
```

* `x1, y1`: Starting coordinates
* `x2, y2`: Ending coordinates
* `color`: Line color

#### Rainbow Text

Display animated rainbow text:

```
rainbow "Your text" at (x, y) duration 100;
```

* `"Your text"`: The text to display with rainbow animation
* `x, y`: Coordinates for the text
* `duration`: How long to run the animation (in cycles)

#### Variables

Define variables for reuse:

```
var name = value;
```

#### Wait

Pause execution:

```
wait 1000;  // Waits for 1000ms
```

#### Frames and Animation

Create frame-based animations:

```
frame {
  // Commands for this frame
}

frame {
  // Commands for another frame
}

// Or use the animate block
animate {
  frame {
    // Frame 1
  }
  frame {
    // Frame 2
  }
} for 5000;  // Animation runs for 5000ms
```