Scrollable viewport

Move a camera by dragging or with the scroll wheel.

Authors and contributors to this experimental extension: D8H, ddabrahim, VictrisGames.

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Move a camera by dragging or with the scroll wheel.

It can be used for

• Making a scroll view (open the project online)
• Dragging the camera on a top-down game

Tip

Learn how to install new extensions by following a step-by-step guide.

Scrollable viewport

Move a camera by dragging or with the scroll wheel.

Behavior properties

• Direction (Choice, one of: "Vertical", "Horizontal", "Both").
• InertiaDeceleration (🔢 Number, Acceleration). Default value is 800.
• Dragged layer (🔤 String). The dragged layer must be different from this object layer.
• Wheel scrolling duration (🔢 Number, Duration). Default value is 0.25.
• Step size (🔢 Number, Distance). Default value is 120.

See internal technical details

• Direction is stored as Direction (Choice). Default value is ``.
• InertiaDeceleration is stored as InertiaDeceleration (Number). Unit is PixelAcceleration. Default value is 800.
• Dragged layer is stored as Layer (String). Default value is ``.
• Wheel scrolling duration is stored as WheelScrollingDuration (Number). Unit is Second. Default value is 0.25.
• Step size is stored as WheelStepSize (Number). Unit is Pixel. Default value is 120.

Behavior conditions

Camera is being dragged
Check if camera is being dragged from this object.

See parameters & details

• Parameter 0: 👾 Object
• Parameter 1: 🧩 Behavior

Technical note: parameter 2 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is ScrollableViewport::ScrollableViewport::IsDragged.

No expressions for this behavior.

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