Examples: Clamp smooth intensity in Sculpt addon.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: mrdoob

examples/jsm/sculpt/SculptTools.js

@@ -461,7 +461,7 @@ function smoothTangentVerts( mesh, iVerts, intensity ) {
 		const i3 = i * 3;
 		const smx = smoothVerts[ i3 ], smy = smoothVerts[ i3 + 1 ], smz = smoothVerts[ i3 + 2 ];
 		const d = nx * ( smx - vx ) + ny * ( smy - vy ) + nz * ( smz - vz );
-		const mI = intensity * mAr[ ind + 2 ];
+		const mI = Math.min( intensity * mAr[ ind + 2 ], 1.0 );
 		vAr[ ind ] = vx + ( smx - nx * d - vx ) * mI;
 		vAr[ ind + 1 ] = vy + ( smy - ny * d - vy ) * mI;
 		vAr[ ind + 2 ] = vz + ( smz - nz * d - vz ) * mI;
@@ -617,7 +617,7 @@ function toolSmooth( mesh, iVerts, intensity ) {
 
 	// Taubin lambda-mu smoothing: two-pass to preserve volume
 	// Lambda pass (shrink toward centroid)
-	const lambda = intensity;
+	const lambda = Math.min( intensity, 1.0 );
 	laplacianSmooth( mesh, iVerts, smoothVerts );
 	for ( let i = 0; i < nbVerts; ++ i ) {
 
@@ -632,7 +632,7 @@ function toolSmooth( mesh, iVerts, intensity ) {
 	}
 
 	// Mu pass (inflate back to preserve volume)
-	const mu = - intensity * 1.06;
+	const mu = - lambda * 1.06;
 	laplacianSmooth( mesh, iVerts, smoothVerts );
 	for ( let i = 0; i < nbVerts; ++ i ) {