game: add bleed

scenes/puddle.gd

@@ -0,0 +1,21 @@
+class_name Puddle
+extends Node2D
+
+@export var color: Color = Color.CRIMSON
+@onready var base: Sprite2D = $Base
+
+func _ready() -> void:
+	var player: Player = get_tree().get_first_node_in_group(GlobalConst.GROUP_PLAYER)
+	var shader = preload("res://assets/shaders/base_color_tint.gdshader")
+	var shader_material: ShaderMaterial
+	shader_material = ShaderMaterial.new()
+	shader_material.set_shader_parameter("base_color", color)
+	shader_material.shader = shader
+	base.material = shader_material
+	match randi() % 4:
+		1:
+			rotation_degrees = 90
+		2:
+			rotation_degrees = 180
+		3:
+			rotation_degrees = -90