Hit shader

src/vfx/shaders/DamageHit.gdshader

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+shader_type canvas_item;
+
+/**
+Color to use for the shock.
+*/
+uniform vec3 shock_color : source_color = vec3(1.0, 0.0, 0.0);
+/**
+Initial amplitude of the shock. This will start at this amplitude and
+gradually attenuate.
+*/
+uniform float amplitude = 30.0;
+
+uniform float progress: hint_range(0.0, 1.0) = -1.0;
+/**
+How fast shold it move side to side, more frequency means it'll move more quickly
+side to side.
+*/
+uniform float frequecy = 10.0;
+
+void vertex() {
+	float exponent = mod(progress, 3.0);
+	VERTEX.x += amplitude * exp(-3.0*exponent) * sin(frequecy*exponent);
+}
+
+void fragment() {
+	float exponent = mod(progress, 3.0);
+	vec3 normal_color = texture(TEXTURE, UV).rgb;
+	COLOR.rgb = normal_color + shock_color * exp(-3.0*exponent);
+}

src/vfx/shaders/DamageHit.tres

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+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://c0gpeve05njqq"]
+
+[ext_resource type="Shader" path="res://src/vfx/shaders/PixelMelt.gdshader" id="1_uy7cv"]
+
+[resource]
+shader = ExtResource("1_uy7cv")
+shader_parameter/progress = 0.0
+shader_parameter/meltiness = 1.0

src/vfx/shaders/PixelMelt.gdshader

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+shader_type canvas_item;
+
+// Animate from 0 to 1
+uniform float progress: hint_range(0.0, 1.0) = 0.0;
+
+// How jagged each band of melting pixels are
+uniform float meltiness: hint_range(0.0, 16.0) = 1.0;
+
+float psuedo_rand(float x) {
+	return mod(x * 2048103.0 + cos(x * 1912.0), 1.0);
+}
+
+void fragment() {
+	vec2 uv = UV;
+	
+	// Move pixels near the top faster
+	uv.y -= progress / UV.y;
+	
+	// Created jagged edges for each pixel on the x-axis 
+	uv.y -= progress * meltiness * psuedo_rand(UV.x - mod(UV.x, TEXTURE_PIXEL_SIZE.x));
+	
+	COLOR = texture(TEXTURE, uv);
+	
+	// "delete" pixels out of range
+	if (uv.y <= 0.0) {
+		COLOR.a = 0.0;
+	}
+}

src/vfx/shaders/PixelMelt.tres

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+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://yvt4d1xnftll"]
+
+[ext_resource type="Shader" path="res://src/vfx/shaders/DamageHit.gdshader" id="1_a8e00"]
+
+[resource]
+shader = ExtResource("1_a8e00")
+shader_parameter/shock_color = Color(1, 0, 0, 1)
+shader_parameter/amplitude = 30.0
+shader_parameter/progress = 0.0
+shader_parameter/frequecy = 10.0