Godot 4: Animated lava shader (tutorial)
Godot 4: Animated lava shader (tutorial)
Godot 4: Animated lava shader (tutorial)
Godot 4: Seismograph shader (tutorial)
Godot 4: Heart monitor shader (tutorial)
Godot 4: Electric wave shader (tutorial)
Godot 4: 3D flag waving shader (tutorial)
Godot 4: One-line image warp shader (tutorial)
Godot 4: Stormy nebula shader (tutorial)
Godot 4: Sponge wipe shader (tutorial)
Godot 4: Vintage film shader, part 2 (tutorial)
Godot 4: Vintage film shader, part 1 (tutorial)
Godot 4: Menger tunnel shader (tutorial)
Godot 4: Particle shader in 3D (tutorial)
Godot 4: 4D hypercube shader (tutorial)
Godot 4: Raindrop ripple shader (tutorial)
Godot 4: Radar shader (tutorial)
Godot 4: Old photo shader (tutorial)
Godot 4: Noise star shader (tutorial)
Godot 4: Waterfall shader (tutorial)
Godot 4: Fluted glass shader (tutorial)
Godot 4: Heavy rain window shader (tutorial)
For example, because Line2D runs on the CPU, while a shader runs on the GPU (much faster). But of course, many effects can be achieved in different ways. I just happen to prefer shaders.