Implement procedural color palettes

Assets/Scenes/main.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=67 format=4 uid="uid://cfsgy7huubpok"]
+[gd_scene load_steps=68 format=4 uid="uid://cfsgy7huubpok"]
 
 [ext_resource type="Script" uid="uid://drfxlavovcgta" path="res://Assets/Scripts/automata_compositor_effect.gd" id="1_vlji8"]
 [ext_resource type="Script" uid="uid://bjuwof03jt0ds" path="res://Assets/Scripts/draw_world_compositor_effect.gd" id="2_ttgh6"]
@@ -47,6 +47,7 @@
 [ext_resource type="Script" uid="uid://bgihnnx0yu44j" path="res://Assets/Scripts/UI/load_button.gd" id="43_3awfk"]
 [ext_resource type="Script" uid="uid://crq07m1x6lflo" path="res://Assets/Scripts/UI/previous_preset_button.gd" id="44_m1eu0"]
 [ext_resource type="Script" uid="uid://8a62se707mjg" path="res://Assets/Scripts/UI/next_preset_button.gd" id="44_vjyh1"]
+[ext_resource type="Script" uid="uid://bnh23rc2uvlr2" path="res://Assets/Scripts/color_palette.gd" id="48_mje4x"]
 [ext_resource type="AudioStream" uid="uid://cnbqleijqb7hy" path="res://Assets/Audio/bgm5.mp3" id="48_sitla"]
 [ext_resource type="AudioStream" uid="uid://26ko7au7t7ed" path="res://Assets/Audio/left click 2.mp3" id="49_csh63"]
 [ext_resource type="Script" uid="uid://c813c5ts2xint" path="res://Assets/Scripts/UI/left_click_audio.gd" id="50_nj45y"]
@@ -1128,6 +1129,7 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
+script = ExtResource("48_mje4x")
 
 [node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="."]
 stream = ExtResource("48_sitla")

Assets/Scripts/color_palette.gd

@@ -0,0 +1,65 @@
+extends ColorRect
+
+var rng = RandomNumberGenerator.new()
+
+func _ready() -> void:
+	GameMaster.seed_changed.connect(new_palette)
+
+	new_palette()
+
+
+func new_palette() -> void:
+	rng.set_seed(hash(GameMaster.get_seed()))
+
+	var palette_type = rng.randi_range(0, 2)
+
+	if palette_type == 0: monochromatic()
+	if palette_type == 1: complementary()
+	if palette_type == 2: tertiary()
+
+
+func monochromatic() -> void:
+	var hue = rng.randf()
+
+	var color1 = Color.from_ok_hsl(hue, rng.randf_range(0.1, 0.9), rng.randf_range(0.05, 0.4))
+	var color2 = Color.from_ok_hsl(hue, rng.randf_range(0.1, 0.9), rng.randf_range(0.5, 0.9))
+
+	material.set_shader_parameter("first_color", Vector3(color1.r, color1.g, color1.b))
+	material.set_shader_parameter("second_color", Vector3(color2.r, color2.g, color2.b))
+
+
+
+
+func complementary() -> void:
+	var hue = rng.randf()
+
+	var color1 = Color.from_ok_hsl(hue, rng.randf_range(0.1, 0.9), rng.randf_range(0.05, 0.4))
+	var color2 = Color.from_ok_hsl(hue, rng.randf_range(0.1, 0.9), rng.randf_range(0.5, 0.9))
+
+	var which_color_is_complemented = rng.randf()
+
+	if (which_color_is_complemented > 0.5): color1.ok_hsl_h = color1.ok_hsl_h + 0.5
+	else: color2.ok_hsl_h = color2.ok_hsl_h + 0.5
+
+
+	material.set_shader_parameter("first_color", Vector3(color1.r, color1.g, color1.b))
+	material.set_shader_parameter("second_color", Vector3(color2.r, color2.g, color2.b))
+
+
+func tertiary() -> void:
+	var hue = rng.randf()
+
+	var color1 = Color.from_ok_hsl(hue, rng.randf_range(0.1, 0.9), rng.randf_range(0.05, 0.4))
+	var color2 = Color.from_ok_hsl(hue, rng.randf_range(0.1, 0.9), rng.randf_range(0.5, 0.9))
+
+	var which_color_is_tertiary = rng.randf()
+	var color_distance = rng.randf_range(0.05, 0.25)
+	var direction = rng.randf()
+	if (direction < 0.5): color_distance *= -1.0
+
+	if (which_color_is_tertiary > 0.5): color1.ok_hsl_h = color1.ok_hsl_h + color_distance
+	else: color2.ok_hsl_h = color2.ok_hsl_h + color_distance
+
+
+	material.set_shader_parameter("first_color", Vector3(color1.r, color1.g, color1.b))
+	material.set_shader_parameter("second_color", Vector3(color2.r, color2.g, color2.b))

Assets/Scripts/color_palette.gd.uid

@@ -0,0 +1 @@
+uid://bnh23rc2uvlr2

Assets/Scripts/game_master.gd

@@ -5,6 +5,7 @@ signal loaded_preset
 signal increment_input
 signal decrement_input
 signal hover_input
+signal seed_changed
 
 var automaton_cache = Array()
 
@@ -99,6 +100,7 @@ func finish_reseed() -> void:
 
 func set_seed(new_seed : int) -> void:
 	current_seed = new_seed
+	seed_changed.emit()
 
 
 func get_seed() -> int: