init

shaders/vignette.gdshader

@@ -0,0 +1,17 @@
+shader_type canvas_item;
+
+uniform float inner_radius = 0.1;
+uniform float outer_radius = 1;
+uniform float vignette_strength = 1.0;
+uniform float dither_strength = 0.03;
+uniform vec4 vignette_color: source_color;
+
+
+void fragment() {
+	float dist = distance(UV, vec2(0.5));
+	
+	float vignette = smoothstep(inner_radius, outer_radius, dist) * vignette_strength;
+	float dither = fract(sin(dot(UV, vec2(12.9898, 78.233))) * 43758.5453123) * dither_strength;
+	
+	COLOR = vec4(vignette_color.rgb, vignette + dither);
+}