From dea516d54208c5312295c23edfda08745450a24b Mon Sep 17 00:00:00 2001
From: Zakarya <zakaryacarroll.contact@gmail.com>
Date: Fri, 29 Mar 2024 18:17:31 -0700
Subject: [PATCH] Change HUD implementation and add a hue shader

---
 data/character/character.tscn | 57 ++++++++++++++++++++++++++++++++---
 1 file changed, 53 insertions(+), 4 deletions(-)

diff --git a/data/character/character.tscn b/data/character/character.tscn
index da631af..87997dd 100644
--- a/data/character/character.tscn
+++ b/data/character/character.tscn
@@ -1,8 +1,7 @@
-[gd_scene load_steps=7 format=3 uid="uid://4dsm0l7s6vki"]
+[gd_scene load_steps=8 format=3 uid="uid://4dsm0l7s6vki"]
 
 [ext_resource type="Texture2D" uid="uid://gfxfxkfu8uk4" path="res://textures/character/character.svg" id="1_f7cgp"]
 [ext_resource type="Script" path="res://data/character/character.gd" id="1_qlitf"]
-[ext_resource type="PackedScene" uid="uid://vaapoj5q16ko" path="res://data/character/hud.tscn" id="4_vgn11"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_653al"]
 radius = 36.0
@@ -28,6 +27,57 @@ _data = {
 "hit": SubResource("Animation_gkjmi")
 }
 
+[sub_resource type="Shader" id="Shader_vjhd6"]
+code = "shader_type canvas_item;
+
+// Hue shift shader
+
+//uniform float Shift_Hue;
+
+void fragment() {
+	//float Shift_Hue = TIME/10.0;
+	float Shift_Hue = 0.0;
+// Input:3
+	vec3 input_color;
+	vec4 texture_color = texture(TEXTURE, UV);
+	input_color = texture_color.rgb;
+
+// VectorFunc:2
+	vec3 color_hsv;
+	{
+		vec3 c = input_color;
+		vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+		vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+		vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+		float d = q.x - min(q.w, q.y);
+		float e = 1.0e-10;
+		color_hsv=vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+	}
+
+	color_hsv.x = mod((color_hsv.x + Shift_Hue), 1.0f);
+
+// VectorFunc:5
+	vec3 color_rgb;
+	{
+		vec3 c = color_hsv;
+		vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+		vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+		color_rgb=c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+	}
+
+// Output:0
+	texture_color = vec4(color_rgb.rgb,texture_color.a);
+	COLOR.rgba = texture_color;
+}
+
+//void light() {
+	// Called for every pixel for every light affecting the CanvasItem.
+//}
+"
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_qi76t"]
+shader = SubResource("Shader_vjhd6")
+
 [node name="character" type="CharacterBody2D"]
 collision_layer = 3
 script = ExtResource("1_qlitf")
@@ -50,10 +100,9 @@ target_position = Vector2(0, -100)
 collision_mask = 2
 
 [node name="body" type="Sprite2D" parent="body_pivot"]
+material = SubResource("ShaderMaterial_qi76t")
 scale = Vector2(0.2, 0.2)
 texture = ExtResource("1_f7cgp")
 
 [node name="tool" type="Sprite2D" parent="body_pivot/body"]
 z_index = -1
-
-[node name="hud" parent="." instance=ExtResource("4_vgn11")]