Updated builds.

build/three.cjs

@@ -4323,7 +4323,13 @@ class Sphere {
 	}
 
 	expandByPoint(point) {
-		// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671
+		if (this.isEmpty()) {
+			this.center.copy(point);
+			this.radius = 0;
+			return;
+		} // from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671
+
+
 		_toPoint.subVectors(point, this.center);
 
 		const lengthSq = _toPoint.lengthSq();
@@ -4342,10 +4348,18 @@ class Sphere {
 	}
 
 	union(sphere) {
-		// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769
+		// handle empty sphere cases
+		if (sphere.isEmpty()) {
+			return;
+		} else if (this.isEmpty()) {
+			this.copy(sphere);
+			return;
+		} // from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769
 		// To enclose another sphere into this sphere, we only need to enclose two points:
 		// 1) Enclose the farthest point on the other sphere into this sphere.
 		// 2) Enclose the opposite point of the farthest point into this sphere.
+
+
 		if (this.center.equals(sphere.center) === true) {
 			_toFarthestPoint.set(0, 0, 1).multiplyScalar(sphere.radius);
 		} else {
@@ -16579,7 +16593,7 @@ function WebGLTextures(_gl, extensions, state, properties, capabilities, utils,
 		_gl.generateMipmap(target);
 	}
 
-	function getInternalFormat(internalFormatName, glFormat, glType, encoding, isVideoTexture = false) {
+	function getInternalFormat(internalFormatName, glFormat, glType, encoding, forceLinearEncoding = false) {
 		if (isWebGL2 === false) return glFormat;
 
 		if (internalFormatName !== null) {
@@ -16604,7 +16618,7 @@ function WebGLTextures(_gl, extensions, state, properties, capabilities, utils,
 		if (glFormat === _gl.RGBA) {
 			if (glType === _gl.FLOAT) internalFormat = _gl.RGBA32F;
 			if (glType === _gl.HALF_FLOAT) internalFormat = _gl.RGBA16F;
-			if (glType === _gl.UNSIGNED_BYTE) internalFormat = encoding === sRGBEncoding && isVideoTexture === false ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;
+			if (glType === _gl.UNSIGNED_BYTE) internalFormat = encoding === sRGBEncoding && forceLinearEncoding === false ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;
 			if (glType === _gl.UNSIGNED_SHORT_4_4_4_4) internalFormat = _gl.RGBA4;
 			if (glType === _gl.UNSIGNED_SHORT_5_5_5_1) internalFormat = _gl.RGB5_A1;
 		}
@@ -17550,7 +17564,7 @@ function WebGLTextures(_gl, extensions, state, properties, capabilities, utils,
 
 					const glFormat = utils.convert(texture.format, texture.encoding);
 					const glType = utils.convert(texture.type);
-					const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.encoding);
+					const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.encoding, renderTarget.isXRRenderTarget === true);
 					const samples = getRenderTargetSamples(renderTarget);
 
 					_gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height);

build/three.js

@@ -4325,7 +4325,13 @@
 		}
 
 		expandByPoint(point) {
-			// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671
+			if (this.isEmpty()) {
+				this.center.copy(point);
+				this.radius = 0;
+				return;
+			} // from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671
+
+
 			_toPoint.subVectors(point, this.center);
 
 			const lengthSq = _toPoint.lengthSq();
@@ -4344,10 +4350,18 @@
 		}
 
 		union(sphere) {
-			// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769
+			// handle empty sphere cases
+			if (sphere.isEmpty()) {
+				return;
+			} else if (this.isEmpty()) {
+				this.copy(sphere);
+				return;
+			} // from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769
 			// To enclose another sphere into this sphere, we only need to enclose two points:
 			// 1) Enclose the farthest point on the other sphere into this sphere.
 			// 2) Enclose the opposite point of the farthest point into this sphere.
+
+
 			if (this.center.equals(sphere.center) === true) {
 				_toFarthestPoint.set(0, 0, 1).multiplyScalar(sphere.radius);
 			} else {
@@ -16581,7 +16595,7 @@
 			_gl.generateMipmap(target);
 		}
 
-		function getInternalFormat(internalFormatName, glFormat, glType, encoding, isVideoTexture = false) {
+		function getInternalFormat(internalFormatName, glFormat, glType, encoding, forceLinearEncoding = false) {
 			if (isWebGL2 === false) return glFormat;
 
 			if (internalFormatName !== null) {
@@ -16606,7 +16620,7 @@
 			if (glFormat === _gl.RGBA) {
 				if (glType === _gl.FLOAT) internalFormat = _gl.RGBA32F;
 				if (glType === _gl.HALF_FLOAT) internalFormat = _gl.RGBA16F;
-				if (glType === _gl.UNSIGNED_BYTE) internalFormat = encoding === sRGBEncoding && isVideoTexture === false ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;
+				if (glType === _gl.UNSIGNED_BYTE) internalFormat = encoding === sRGBEncoding && forceLinearEncoding === false ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;
 				if (glType === _gl.UNSIGNED_SHORT_4_4_4_4) internalFormat = _gl.RGBA4;
 				if (glType === _gl.UNSIGNED_SHORT_5_5_5_1) internalFormat = _gl.RGB5_A1;
 			}
@@ -17552,7 +17566,7 @@
 
 						const glFormat = utils.convert(texture.format, texture.encoding);
 						const glType = utils.convert(texture.type);
-						const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.encoding);
+						const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.encoding, renderTarget.isXRRenderTarget === true);
 						const samples = getRenderTargetSamples(renderTarget);
 
 						_gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height);

build/three.module.js

@@ -5621,6 +5621,14 @@ class Sphere {
 
 	expandByPoint( point ) {
 
+		if ( this.isEmpty() ) {
+
+			this.center.copy( point );
+			this.radius = 0;
+			return;
+
+		}
+
 		// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671
 
 		_toPoint.subVectors( point, this.center );
@@ -5647,6 +5655,18 @@ class Sphere {
 
 	union( sphere ) {
 
+		// handle empty sphere cases
+		if ( sphere.isEmpty() ) {
+
+			return;
+
+		} else if ( this.isEmpty() ) {
+
+			this.copy( sphere );
+			return;
+
+		}
+
 		// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769
 
 		// To enclose another sphere into this sphere, we only need to enclose two points:
@@ -22361,7 +22381,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 
 	}
 
-	function getInternalFormat( internalFormatName, glFormat, glType, encoding, isVideoTexture = false ) {
+	function getInternalFormat( internalFormatName, glFormat, glType, encoding, forceLinearEncoding = false ) {
 
 		if ( isWebGL2 === false ) return glFormat;
 
@@ -22395,7 +22415,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 
 			if ( glType === 5126 ) internalFormat = 34836;
 			if ( glType === 5131 ) internalFormat = 34842;
-			if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding && isVideoTexture === false ) ? 35907 : 32856;
+			if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding && forceLinearEncoding === false ) ? 35907 : 32856;
 			if ( glType === 32819 ) internalFormat = 32854;
 			if ( glType === 32820 ) internalFormat = 32855;
 
@@ -23819,7 +23839,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 
 					const glFormat = utils.convert( texture.format, texture.encoding );
 					const glType = utils.convert( texture.type );
-					const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );
+					const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding, renderTarget.isXRRenderTarget === true );
 					const samples = getRenderTargetSamples( renderTarget );
 					_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );