From 1d817aff2859e911b7f2e2d60e52ce4bdb9a6867 Mon Sep 17 00:00:00 2001
From: Makio64 <davronai@gmail.com>
Date: Wed, 9 Oct 2024 21:25:36 +0200
Subject: [PATCH 1/2] add min/max constraints to TransformControls

---
 examples/jsm/controls/TransformControls.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/examples/jsm/controls/TransformControls.js b/examples/jsm/controls/TransformControls.js
index 442c5060a06a91..563477d011e1a9 100644
--- a/examples/jsm/controls/TransformControls.js
+++ b/examples/jsm/controls/TransformControls.js
@@ -110,6 +110,12 @@ class TransformControls extends Controls {
 		defineProperty( 'showX', true );
 		defineProperty( 'showY', true );
 		defineProperty( 'showZ', true );
+		defineProperty( 'minX', - Infinity );
+		defineProperty( 'maxX', Infinity );
+		defineProperty( 'minY', - Infinity );
+		defineProperty( 'maxY', Infinity );
+		defineProperty( 'minZ', - Infinity );
+		defineProperty( 'maxZ', Infinity );
 
 		// Reusable utility variables
 
@@ -372,6 +378,10 @@ class TransformControls extends Controls {
 
 			}
 
+			object.position.x = Math.max( this.minX, Math.min( this.maxX, object.position.x ) );
+			object.position.y = Math.max( this.minY, Math.min( this.maxY, object.position.y ) );
+			object.position.z = Math.max( this.minZ, Math.min( this.maxZ, object.position.z ) );
+
 		} else if ( mode === 'scale' ) {
 
 			if ( axis.search( 'XYZ' ) !== - 1 ) {

From e76c73dfc95529d7c54254946d6328891e631e7b Mon Sep 17 00:00:00 2001
From: Makio64 <davronai@gmail.com>
Date: Wed, 9 Oct 2024 22:40:52 +0200
Subject: [PATCH 2/2] update TransformControls documentation

---
 .../en/controls/TransformControls.html        | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/docs/examples/en/controls/TransformControls.html b/docs/examples/en/controls/TransformControls.html
index 8b826c89935d7a..f9a154a44c419a 100644
--- a/docs/examples/en/controls/TransformControls.html
+++ b/docs/examples/en/controls/TransformControls.html
@@ -132,6 +132,36 @@ <h3>[property:Number translationSnap]</h3>
 			steps the 3D object should be translated. Default is `null`.
 		</p>
 
+		<h3>[property:Number minX]</h3>
+		<p>
+			The minimum allowed X position during translation. Default is `-Infinity`.
+		</p>
+
+		<h3>[property:Number maxX]</h3>
+		<p>
+			The maximum allowed X position during translation. Default is `Infinity`.
+		</p>
+
+		<h3>[property:Number minY]</h3>
+		<p>
+			The minimum allowed Y position during translation. Default is `-Infinity`.
+		</p>
+
+		<h3>[property:Number maxY]</h3>
+		<p>
+			The maximum allowed Y position during translation. Default is `Infinity`.
+		</p>
+
+		<h3>[property:Number minZ]</h3>
+		<p>
+			The minimum allowed Z position during translation. Default is `-Infinity`.
+		</p>
+
+		<h3>[property:Number maxZ]</h3>
+		<p>
+			The maximum allowed Z position during translation. Default is `Infinity`.
+		</p>
+
 		<h2>Methods</h2>
 
 		<p>See the base [page:Controls] class for common methods.</p>