diff --git a/core/src/me/vinceh121/wanderer/building/InConstructionBuilding.java b/core/src/me/vinceh121/wanderer/building/InConstructionBuilding.java
index 5f415e5..5b98883 100644
--- a/core/src/me/vinceh121/wanderer/building/InConstructionBuilding.java
+++ b/core/src/me/vinceh121/wanderer/building/InConstructionBuilding.java
@@ -1,5 +1,7 @@
 package me.vinceh121.wanderer.building;
 
+import java.util.LinkedList;
+
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.GL20;
@@ -30,7 +32,7 @@ public class InConstructionBuilding extends AbstractBuilding {
 	public InConstructionBuilding(final Wanderer game, final AbstractBuildingMeta meta) {
 		super(game, meta);
 
-		for (final DisplayModel m : this.getModels()) {
+		for (final DisplayModel m : this.getFlatModels()) {
 			m.addTextureAttribute(ColorAttribute.createEmissive(new Color(0f, 0.8f, 1f, 0f)));
 			m.addTextureAttribute(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_DST_COLOR, 0.5f));
 			m.addTextureAttribute(new NoLightningAttribute());
@@ -63,9 +65,11 @@ public void tick(final float delta) {
 	public void render(final ModelBatch batch, final Environment env) {
 		super.render(batch, env);
 
+		final LinkedList<DisplayModel> flatModels = this.getFlatModels();
+		
 		for (int i = 0; i < this.curves.size; i++) {
 			final Bezier<Vector3> bezier = this.curves.get(i);
-			final DisplayModel model = this.getModels().get(i);
+			final DisplayModel model = flatModels.get(i);
 
 			// / 5: slows down the animation
 			// % 1: repeats the curve progress between 0.0 and 1.0
diff --git a/core/src/me/vinceh121/wanderer/entity/AbstractEntity.java b/core/src/me/vinceh121/wanderer/entity/AbstractEntity.java
index efed07f..edeabf2 100644
--- a/core/src/me/vinceh121/wanderer/entity/AbstractEntity.java
+++ b/core/src/me/vinceh121/wanderer/entity/AbstractEntity.java
@@ -1,5 +1,6 @@
 package me.vinceh121.wanderer.entity;
 
+import java.util.LinkedList;
 import java.util.Objects;
 import java.util.function.Consumer;
 
@@ -150,7 +151,7 @@ public void render(final ModelBatch batch, final Environment env) {
 	}
 
 	public void animateParts(final String animationChannel, final Consumer<Matrix4> transformation) {
-		for (final DisplayModel m : this.models) {
+		for (final DisplayModel m : this.getFlatModels()) {
 			if (animationChannel.equals(m.getAnimationChannel())) {
 				transformation.accept(m.getRelativeTransform());
 				m.updateTransform(this.getTransform());
@@ -281,6 +282,24 @@ public Array<DisplayModel> getModels() {
 		return this.models;
 	}
 
+	public LinkedList<DisplayModel> getFlatModels() {
+		LinkedList<DisplayModel> flatModels = new LinkedList<>();
+
+		for (DisplayModel root : this.models) {
+			this.recurseFlatModels(flatModels, root);
+		}
+
+		return flatModels;
+	}
+
+	private void recurseFlatModels(LinkedList<DisplayModel> flatModels, DisplayModel mdl) {
+		flatModels.add(mdl);
+
+		for (DisplayModel child : mdl.getChildren()) {
+			this.recurseFlatModels(flatModels, child);
+		}
+	}
+
 	public Array<SoundEmitter3D> getSoundEmitters() {
 		return this.soundEmitters;
 	}
diff --git a/core/src/me/vinceh121/wanderer/guntower/MachineGunGuntower.java b/core/src/me/vinceh121/wanderer/guntower/MachineGunGuntower.java
index 5ea2098..b78594c 100644
--- a/core/src/me/vinceh121/wanderer/guntower/MachineGunGuntower.java
+++ b/core/src/me/vinceh121/wanderer/guntower/MachineGunGuntower.java
@@ -44,8 +44,8 @@ public void fire() {
 		for (final MachineGunTurret turret : this.turrets) {
 			this.fireTurret(turret);
 		}
-		
-		this.animateParts("barrelSpin", trans -> trans.rotate(Vector3.Z, 1));
+
+		this.animateParts("barrelSpin", trans -> trans.rotateRad(Vector3.Z, 1));
 
 		this.fireSoundEmitter.play();
 		this.fireTimeout = 0.085f; // FIXME should be in meta