Vignette

imakeshaders September 29, 2024

vignette

Shader code

shader_type canvas_item;

uniform float outerRadius : hint_range(0.0, 5.0) = 1.0;
uniform float MainAlpha : hint_range(0.0, 1.0) = 1.0;

void fragment() {
	float x = abs(UV.x-.5)*2.0;
	float y = abs(UV.y-.5)*2.0;
	float v = (sqrt((x*x)+(y*y))/outerRadius);
	COLOR = vec4(0,0,0,v*MainAlpha);
}

Tags

vignette, visual

The shader code and all code snippets in this post are under GNU GPL v.3 license and can be used freely. Images and videos, and assets depicted in those, do not fall under this license. For more info, see our License terms.