shader_type canvas_item;

uniform sampler2D water_noise;
uniform sampler2D water_noise2;
uniform vec2 scroll = vec2(0.05,0.05);
uniform vec2 scroll2 = vec2(-0.05,-0.05);
uniform float distraction_strenght : hint_range(-1, 1) = 0.2;
uniform vec4 tone_color : hint_color;
uniform float light_start: hint_range(0.0, 1.0) = 0.275;
uniform float light_end: hint_range(0.0, 1.0) = 0.4;
uniform vec4 top_color : hint_color;
void fragment(){
	float depth = texture(water_noise, UV+scroll*TIME).r * texture(water_noise2, UV+scroll2*TIME).r;
	vec4 screen_color = texture(SCREEN_TEXTURE,
		SCREEN_UV + distraction_strenght * vec2(depth));
	vec4 top_light = smoothstep(light_start,light_end,depth)*top_color;
	COLOR = screen_color*tone_color+top_light;
}