Simple color invert area.

Can use with either sprite , textureRect , ColorRect. It will preserve transparent pixel and invert color of anything below it.

Shader code
shader_type canvas_item;

void fragment(){
	
	vec4 color = vec4(texture(SCREEN_TEXTURE, SCREEN_UV).rgb, texture(TEXTURE, UV).a);
	
	COLOR = vec4(1.0 - color.rgb,  color.a);
}
The shader code and all code snippets in this post are under CC0 license and can be used freely without the author's permission. Images and videos, and assets depicted in those, do not fall under this license. For more info, see our License terms.

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Invert color

color splash (show only one color)

Simple blur, mixed with a color

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