[gd_resource type="Shader" format=2]

[resource]
code = "shader_type canvas_item;

uniform bool apply = false;
uniform float offset = 1.;

void fragment(){
	vec4 green_channel = texture(SCREEN_TEXTURE, SCREEN_UV);
	vec4 red_channel = texture(SCREEN_TEXTURE, vec2(SCREEN_UV.x + (offset * SCREEN_PIXEL_SIZE.x), SCREEN_UV.y));
	vec4 blue_channel = texture(SCREEN_TEXTURE, vec2(SCREEN_UV.x - (offset * SCREEN_PIXEL_SIZE.x), SCREEN_UV.y));
	COLOR = vec4(red_channel.r, green_channel.g, blue_channel.b, 1.);
}"