From e7366631ade6cbd5eb5f9a1e38c42953769c0c81 Mon Sep 17 00:00:00 2001
From: Michael Campbell <me@micycle.dev>
Date: Thu, 19 Feb 2026 01:14:58 -0500
Subject: [PATCH] add shake when buildings take damage

---
 world/building/building.gd   | 17 +++++++++++++++++
 world/building/building.tscn |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/world/building/building.gd b/world/building/building.gd
index dcff7db..9c3aa18 100644
--- a/world/building/building.gd
+++ b/world/building/building.gd
@@ -3,9 +3,24 @@ extends CollisionObject3D
 
 var health := 10.
 
+@export var shake_noise: FastNoiseLite
+var shake_duration := 0.
+@onready var initial_mesh_pos: Vector3 = %Mesh.position
+
 func _ready() -> void:
 	scale.y = randf_range(.5, 1.25)
 
+
+func _process(delta: float) -> void:
+	if shake_duration <= 0:
+		%Mesh.position = initial_mesh_pos
+	else:
+		var x := shake_noise.get_noise_1d(shake_duration * 10000)
+		var y := shake_noise.get_noise_1d(-shake_duration * 10000)
+		%Mesh.position = initial_mesh_pos + (Vector3(x, 0, y) * 0.75)
+	
+	shake_duration = move_toward(shake_duration, 0., delta)
+
 func hit(_proj: PlayerProjectile, damage: float) -> bool:
 	health -= damage
 	if health <= 0.:
@@ -16,5 +31,7 @@ func hit(_proj: PlayerProjectile, damage: float) -> bool:
 		%Mesh.hide()
 		%DestroyedMesh.show()
 		%GPUParticles3D.preprocess = randf()
+	else:
+		shake_duration += 0.5
 
 	return true
diff --git a/world/building/building.tscn b/world/building/building.tscn
index 69ef56c..3d5cc00 100644
--- a/world/building/building.tscn
+++ b/world/building/building.tscn
@@ -2,6 +2,8 @@
 
 [ext_resource type="Script" uid="uid://bnr37lfj76u7n" path="res://world/building/building.gd" id="1_5j34s"]
 
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_d2kbb"]
+
 [sub_resource type="BoxMesh" id="BoxMesh_rqn35"]
 size = Vector3(3, 5, 3)
 
@@ -48,6 +50,7 @@ material = SubResource("StandardMaterial3D_2vvqs")
 collision_layer = 5
 collision_mask = 0
 script = ExtResource("1_5j34s")
+shake_noise = SubResource("FastNoiseLite_d2kbb")
 
 [node name="Mesh" type="MeshInstance3D" parent="." unique_id=1919101154]
 unique_name_in_owner = true