more work on the ui theme and changing the hud

UI/DamageParticle/damage_particle.gd

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+class_name DamageParticle
+extends Sprite3D
+
+@onready var label: Label = $SubViewport/Label
+var time_alive: float = 0.0
+var movement_speed: float = 1.0
+var movement_vector: Vector3
+
+
+func _ready() -> void:
+	var theta: float = deg_to_rad(40)
+	var z: float = randf_range(cos(theta), 1)
+	var phi: float = randf_range(0, 2 * PI)
+	var vector: Vector3 = Vector3(sqrt(1 - pow(z, 2)) * cos(phi), z, sqrt(1 - pow(z, 2)) * sin(phi))
+	movement_vector = vector.normalized()
+
+
+func set_number(num: int) -> void:
+	label.text = str(num)
+
+
+func set_color(color: Color) -> void:
+	label.modulate = color
+
+
+func _process(delta: float) -> void:
+	time_alive += delta
+	position += movement_vector * movement_speed * delta
+	if time_alive >= 1.0:
+		queue_free()

UI/DamageParticle/damage_particle.gd.uid

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+uid://blt7umrgo3tfh

UI/DamageParticle/damage_particle.tscn

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+[gd_scene load_steps=3 format=3 uid="uid://cqtew0t8sttpm"]
+
+[ext_resource type="Script" uid="uid://blt7umrgo3tfh" path="res://UI/DamageParticle/damage_particle.gd" id="1_lgvaq"]
+
+[sub_resource type="ViewportTexture" id="ViewportTexture_ppqlh"]
+viewport_path = NodePath("SubViewport")
+
+[node name="Node3D" type="Sprite3D"]
+pixel_size = 0.005
+billboard = 1
+no_depth_test = true
+fixed_size = true
+texture_filter = 2
+render_priority = 1
+texture = SubResource("ViewportTexture_ppqlh")
+script = ExtResource("1_lgvaq")
+
+[node name="SubViewport" type="SubViewport" parent="."]
+transparent_bg = true
+size = Vector2i(172, 57)
+render_target_update_mode = 4
+
+[node name="Label" type="Label" parent="SubViewport"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_type_variation = &"DamageNumLabel"
+text = "12345"
+horizontal_alignment = 1
+vertical_alignment = 1