#### [Ollin](../../index.md) → [Examples](../index.md) → Input
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## Input
| [](drag.md) | [](keys.md) | [](panandzoom.md) | [](pinchandturn.md) |
|---|---|---|---|
| [Drag](drag.md) | [Keys](keys.md) | [PanAndZoom](panandzoom.md) | [PinchAndTurn](pinchandturn.md) |
| [](repelgrid.md) | [](typedtext.md) | | |
| [RepelGrid](repelgrid.md) | [TypedText](typedtext.md) | | |
Sketches driven by the mouse, the trackpad, and the keyboard.
| Example | What it shows |
|---|---|
| [PanAndZoom](panandzoom.md) | a generated chart that holds more than one screen shows, so you drag to pan and scroll to zoom. The place names are set at a text size of four units, six for the larger places, which reads as a smudge at the opening view and is crisp four zoom steps in (`viewControl`, `viewZoom`) |
| [RepelGrid](repelgrid.md) | a grid of dots that move away from the cursor (`mouseX`/`mouseY`) |
| [Keys](keys.md) | steer a dot with WASD or the arrow keys, both read through one `moveAxis` call. Space changes the color (`keyPressed`), and releasing any key flashes a ring (`keyReleased`) |
| [Pen](pen.md) | a broad-edged nib that reads a tablet: the chisel lies across the way the pen leans, the press sets how wide, the eraser end takes ink away, and a panel says what the stylus is sending (`stylus`, `pressure`) |
| [PinchAndTurn](pinchandturn.md) | two fingers on the trackpad size and spin a rose (`pinchScale`, `turnAngle`), and the turn clicks its petal count a notch every fifteen degrees (`fingersTurned`) |
| [TypedText](typedtext.md) | type and the words land on the canvas, the way a text field takes them: an accent typed with a dead key, the emoji viewer's pick, and Chinese or Japanese through an input method arrive as text (`typedText`, `textTyped`), the reading still being composed shows underlined (`composingText`), and a panel sets the last key beside the last text it typed |
| [Drag](drag.md) | grab, drag, and throw balls. It uses the press and release hooks, draws the per-frame `mouse - previousMouse` delta as a stretch arrow, and averages the release velocity over the last few frames |
Run one with `swift run Example-Input-`, for example `swift run Example-Input-RepelGrid`.