Updated builds.

build/three.js

@@ -35023,7 +35023,9 @@ THREE.GridHelper = function ( size, step ) {
 
 	var geometry = new THREE.Geometry();
 	var material = new THREE.LineBasicMaterial( { vertexColors: THREE.VertexColors } );
-	var color1 = new THREE.Color( 0x444444 ), color2 = new THREE.Color( 0x888888 );
+
+	this.color1 = new THREE.Color( 0x444444 );
+	this.color2 = new THREE.Color( 0x888888 );
 
 	for ( var i = - size; i <= size; i += step ) {
 
@@ -35032,7 +35034,7 @@ THREE.GridHelper = function ( size, step ) {
 			new THREE.Vector3( i, 0, - size ), new THREE.Vector3( i, 0, size )
 		);
 
-		var color = i === 0 ? color1 : color2;
+		var color = i === 0 ? this.color1 : this.color2;
 
 		geometry.colors.push( color, color, color, color );
 
@@ -35044,6 +35046,15 @@ THREE.GridHelper = function ( size, step ) {
 
 THREE.GridHelper.prototype = Object.create( THREE.Line.prototype );
 
+THREE.GridHelper.prototype.setColors = function( colorCenterLine, colorGrid ) {
+
+	this.color1.set( colorCenterLine );
+	this.color2.set( colorGrid );
+
+	this.geometry.colorsNeedUpdate = true;
+
+}
+
 /**
  * @author alteredq / http://alteredqualia.com/
  * @author mrdoob / http://mrdoob.com/

build/three.min.js

@@ -663,7 +663,8 @@ THREE.CameraHelper.prototype.update=function(){var a=new THREE.Vector3,b=new THR
 c.computeLineDistances();d=new THREE.LineDashedMaterial({dashSize:4,gapSize:4,opacity:0.75,transparent:!0,fog:!1});d.color.copy(this.light.color).multiplyScalar(this.light.intensity);this.targetLine=new THREE.Line(c,d);this.add(this.targetLine)};THREE.DirectionalLightHelper.prototype=Object.create(THREE.Object3D.prototype);
 THREE.DirectionalLightHelper.prototype.update=function(){this.lightSphere.material.color.copy(this.light.color).multiplyScalar(this.light.intensity);this.targetLine.geometry.computeLineDistances();this.targetLine.geometry.verticesNeedUpdate=!0;this.targetLine.material.color.copy(this.light.color).multiplyScalar(this.light.intensity)};THREE.FaceNormalsHelper=function(a,b,c,d){this.object=a;this.size=b||1;for(var a=c||16776960,d=d||1,b=new THREE.Geometry,c=0,e=this.object.geometry.faces.length;c<e;c++)b.vertices.push(new THREE.Vector3),b.vertices.push(new THREE.Vector3);THREE.Line.call(this,b,new THREE.LineBasicMaterial({color:a,linewidth:d}),THREE.LinePieces);this.matrixAutoUpdate=!1;this.normalMatrix=new THREE.Matrix3;this.update()};THREE.FaceNormalsHelper.prototype=Object.create(THREE.Line.prototype);
 THREE.FaceNormalsHelper.prototype.update=function(){var a=new THREE.Vector3;return function(){this.object.updateMatrixWorld(!0);this.normalMatrix.getNormalMatrix(this.object.matrixWorld);for(var b=this.geometry.vertices,c=this.object.geometry.faces,d=this.object.matrixWorld,e=0,f=c.length;e<f;e++){var g=c[e];a.copy(g.normal).applyMatrix3(this.normalMatrix).normalize().multiplyScalar(this.size);var h=2*e;b[h].copy(g.centroid).applyMatrix4(d);b[h+1].addVectors(b[h],a)}this.geometry.verticesNeedUpdate=
-!0;return this}}();THREE.GridHelper=function(a,b){for(var c=new THREE.Geometry,d=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors}),e=new THREE.Color(4473924),f=new THREE.Color(8947848),g=-a;g<=a;g+=b){c.vertices.push(new THREE.Vector3(-a,0,g),new THREE.Vector3(a,0,g),new THREE.Vector3(g,0,-a),new THREE.Vector3(g,0,a));var h=0===g?e:f;c.colors.push(h,h,h,h)}THREE.Line.call(this,c,d,THREE.LinePieces)};THREE.GridHelper.prototype=Object.create(THREE.Line.prototype);THREE.HemisphereLightHelper=function(a,b){THREE.Object3D.call(this);this.light=a;var c=new THREE.SphereGeometry(b,4,2);c.applyMatrix((new THREE.Matrix4).makeRotationX(-Math.PI/2));for(var d=0;8>d;d++)c.faces[d].materialIndex=4>d?0:1;d=new THREE.MeshBasicMaterial({fog:!1,wireframe:!0});d.color.copy(a.color).multiplyScalar(a.intensity);var e=new THREE.MeshBasicMaterial({fog:!1,wireframe:!0});e.color.copy(a.groundColor).multiplyScalar(a.intensity);this.lightSphere=new THREE.Mesh(c,new THREE.MeshFaceMaterial([d,
+!0;return this}}();THREE.GridHelper=function(a,b){var c=new THREE.Geometry,d=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});this.color1=new THREE.Color(4473924);this.color2=new THREE.Color(8947848);for(var e=-a;e<=a;e+=b){c.vertices.push(new THREE.Vector3(-a,0,e),new THREE.Vector3(a,0,e),new THREE.Vector3(e,0,-a),new THREE.Vector3(e,0,a));var f=0===e?this.color1:this.color2;c.colors.push(f,f,f,f)}THREE.Line.call(this,c,d,THREE.LinePieces)};THREE.GridHelper.prototype=Object.create(THREE.Line.prototype);
+THREE.GridHelper.prototype.setColors=function(a,b){this.color1.set(a);this.color2.set(b);this.geometry.colorsNeedUpdate=!0};THREE.HemisphereLightHelper=function(a,b){THREE.Object3D.call(this);this.light=a;var c=new THREE.SphereGeometry(b,4,2);c.applyMatrix((new THREE.Matrix4).makeRotationX(-Math.PI/2));for(var d=0;8>d;d++)c.faces[d].materialIndex=4>d?0:1;d=new THREE.MeshBasicMaterial({fog:!1,wireframe:!0});d.color.copy(a.color).multiplyScalar(a.intensity);var e=new THREE.MeshBasicMaterial({fog:!1,wireframe:!0});e.color.copy(a.groundColor).multiplyScalar(a.intensity);this.lightSphere=new THREE.Mesh(c,new THREE.MeshFaceMaterial([d,
 e]));this.lightSphere.position=a.position;this.lightSphere.lookAt(new THREE.Vector3);this.add(this.lightSphere)};THREE.HemisphereLightHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.HemisphereLightHelper.prototype.update=function(){this.lightSphere.lookAt(new THREE.Vector3);this.lightSphere.material.materials[0].color.copy(this.light.color).multiplyScalar(this.light.intensity);this.lightSphere.material.materials[1].color.copy(this.light.groundColor).multiplyScalar(this.light.intensity)};THREE.PointLightHelper=function(a,b){THREE.Object3D.call(this);this.matrixAutoUpdate=!1;this.light=a;var c=new THREE.SphereGeometry(b,4,2),d=new THREE.MeshBasicMaterial({fog:!1,wireframe:!0});d.color.copy(this.light.color).multiplyScalar(this.light.intensity);this.lightSphere=new THREE.Mesh(c,d);this.lightSphere.matrixWorld=this.light.matrixWorld;this.lightSphere.matrixAutoUpdate=!1;this.add(this.lightSphere)};THREE.PointLightHelper.prototype=Object.create(THREE.Object3D.prototype);
 THREE.PointLightHelper.prototype.update=function(){this.lightSphere.material.color.copy(this.light.color).multiplyScalar(this.light.intensity)};THREE.SpotLightHelper=function(a){this.light=a;a=new THREE.CylinderGeometry(0,1,1,8,1,!0);a.applyMatrix((new THREE.Matrix4).makeTranslation(0,-0.5,0));a.applyMatrix((new THREE.Matrix4).makeRotationX(-Math.PI/2));var b=new THREE.MeshBasicMaterial({wireframe:!0,opacity:0.3,transparent:!0});THREE.Mesh.call(this,a,b);this.update()};THREE.SpotLightHelper.prototype=Object.create(THREE.Mesh.prototype);
 THREE.SpotLightHelper.prototype.update=function(){var a=new THREE.Vector3;return function(){var b=this.light.distance?this.light.distance:1E4,c=b*Math.tan(this.light.angle);this.scale.set(c,c,b);this.light.updateMatrixWorld(!0);this.position.getPositionFromMatrix(this.light.matrixWorld);this.light.target.updateMatrixWorld(!0);a.getPositionFromMatrix(this.light.target.matrixWorld);this.lookAt(a);this.material.color.copy(this.light.color).multiplyScalar(this.light.intensity)}}();THREE.VertexNormalsHelper=function(a,b,c,d){this.object=a;this.size=b||1;for(var b=c||16711680,d=d||1,c=new THREE.Geometry,a=a.geometry.faces,e=0,f=a.length;e<f;e++)for(var g=0,h=a[e].vertexNormals.length;g<h;g++)c.vertices.push(new THREE.Vector3),c.vertices.push(new THREE.Vector3);THREE.Line.call(this,c,new THREE.LineBasicMaterial({color:b,linewidth:d}),THREE.LinePieces);this.matrixAutoUpdate=!1;this.normalMatrix=new THREE.Matrix3;this.update()};THREE.VertexNormalsHelper.prototype=Object.create(THREE.Line.prototype);