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godot-demo-projects/viewport/dynamic_split_screen
Hugo Locurcio 31d1c0c112 Remove old and unused project settings, update various demos for 4.2 (#1024)
- Move all demo projects that don't require Forward+/Mobile-only features
  to the Compatibility rendering method. This improves performance significantly
  on low-end devices and ensures visuals are identical to a web export
  of the demo.
- Set deadzone on all inputs to 0.2 for better gamepad usability.
- Remove reliance on `default_env.tres` to use built-in Environment
  resources in the main scene instead (which follows the preview environment
  workflow).
- Remove notices pointing to GDNative or VisualScript, since both were
  removed in 4.0.
- Various bug fixes and usability tweaks to 10+ demos.
2024-03-26 18:01:58 +01:00
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Dynamic Split Screen

This sample project showcases an implementation of dynamic split screen, also called Voronoi split screen.

Language: Godot shader language and GDScript

Renderer: Compatibility

Check out this demo on the asset library: https://godotengine.org/asset-library/asset/541

Details

A dynamic split screen system displays a single screen when the two players are close but a splitted view when they move apart.

The splitting line can take any angle depending on the players' position, so it won't be either vertical or horizontal.

This system was popularized by the Lego videogames.

How it works

Two cameras are placed inside two separate viewports and their texture, as well as some other parameters, are passed to a shader attached to a TextureRect filling the whole screen.

The SplitScreen shader, with the help of the CameraController script, chooses wich texture to display on each pixel to achieve the effect.

The cameras are placed on the segment joining the two players, either in the middle if they're close enough or at a fixed distance otherwise.

How to use it

Open and launch the project inside the Godot engine, then use WASD to move the first player (in red) and IJKL (or arrow keys) to move the second player (in blue).

The camera_controller.gd script sets parameters to tune the distance at which the screen splits and also the width and color of the splitting line.

Screenshots

Screenshots