jimmyjonezz

shader_type canvas_item;
render_mode blend_mix;

uniform bool active = true;
uniform int ngg : hint_range(1, 8) = 6;

float T(float z) {
    return z >= 0.5 ? 2.-2.*z : 2.*z;
}

jimmyjonezz

// chromatic_aberration.shader
// based on code from https://gist.github.com/uheartbeast/312a7ea761b8712c448b31c30c0d8f1f
shader_type canvas_item;

uniform bool apply = true;
uniform float amount = 1.0;
uniform float strength : hint_range(0.0, 2.0) = 1.0;

uniform sampler2D offset_texture : hint_white;

jimmyjonezz

shader_type canvas_item;

uniform float amount : hint_range(0,0.5);

vec4 sample_glow_pixel(sampler2D tex, vec2 uv) {
   float hdr_threshold = amount; 
    return max(textureLod(tex, uv, 2.0) - hdr_threshold, vec4(0.0));
}

void fragment() {

jimmyjonezz

shader_type canvas_item;

uniform float size_x = 0.002;

uniform float size_y = 0.0035;

void fragment() {

vec2 uv = SCREEN_UV;

jimmyjonezz

shader_type canvas_item;

uniform vec4 glow_color : hint_color;
uniform vec4 back_color : hint_color;
void fragment() {
	vec4 text = texture(TEXTURE, UV);
	float flow = sin(-text.g + TIME) * text.a;
	flow = smoothstep(0.5, 1., flow);
	COLOR = mix(vec4(back_color.rgb, 0), back_color, text.a);
	COLOR = mix(COLOR, glow_color, flow);

jimmyjonezz

shader_type canvas_item;

uniform float brightness = 0.5;

void fragment(){
	vec4 pixel_color = texture(SCREEN_TEXTURE, SCREEN_UV, 1);

	COLOR.rgb = vec3(dot(pixel_color.rgb, vec3(brightness, brightness, brightness)));
}

jimmyjonezz

shader_type canvas_item;

uniform float PI = 3.1415926535;
uniform float aperture = 178.0; 

void fragment(){ 
	float apertureHalf = 0.5 * aperture * (PI / 180.0); 
	float maxFactor = sin(apertureHalf);

	vec2 uv; 

jimmyjonezz

shader_type canvas_item;

uniform vec3 color = vec3(0.35, 0.48, 0.95);
uniform int OCTAVES = 4;

float randi(vec2 coord){ 
	return fract(sin(dot(coord, vec2(56,78)) * 1000.0) * 1000.0); }

float noise(vec2 coord){ 
	vec2 i = floor(coord); 

jimmyjonezz

shader_type canvas_item;

uniform float brightness=0.8;
uniform float contrast=1.5;
uniform float saturation=1.8;

void fragment() {

	vec3 c = textureLod(SCREEN_TEXTURE,SCREEN_UV,0.0).rgb;
	

jimmyjonezz

shader_type canvas_item; 

uniform float AMPLITUDE = .1; 
uniform float SPEED = 5.0;

vec4 rgbShift( in vec2 p , in vec4 shift, in sampler2D tex) { 
	vec2 rs = vec2(shift.x,-shift.y); 
	vec2 gs = vec2(shift.y,-shift.z); 
	vec2 bs = vec2(shift.z,-shift.x);