src/textures: move to es6 classes

src/textures/CanvasTexture.js

@@ -1,15 +1,17 @@
 import { Texture } from './Texture.js';
 
-function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {
+class CanvasTexture extends Texture {
 
-	Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
+	constructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {
 
-	this.needsUpdate = true;
+		super( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
 
-}
+		Object.defineProperty( this, 'isCanvasTexture', { value: true } );
+
+		this.needsUpdate = true;
 
-CanvasTexture.prototype = Object.create( Texture.prototype );
-CanvasTexture.prototype.constructor = CanvasTexture;
-CanvasTexture.prototype.isCanvasTexture = true;
+	}
+
+}
 
 export { CanvasTexture };

src/textures/CompressedTexture.js

@@ -1,28 +1,28 @@
 import { Texture } from './Texture.js';
 
-function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {
+class CompressedTexture extends Texture {
 
-	Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
+	constructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {
 
-	this.image = { width: width, height: height };
-	this.mipmaps = mipmaps;
+		super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
 
-	// no flipping for cube textures
-	// (also flipping doesn't work for compressed textures )
+		Object.defineProperty( this, 'isCompressedTexture', { value: true } );
 
-	this.flipY = false;
+		this.image = { width: width, height: height };
+		this.mipmaps = mipmaps;
 
-	// can't generate mipmaps for compressed textures
-	// mips must be embedded in DDS files
+		// no flipping for cube textures
+		// (also flipping doesn't work for compressed textures )
 
-	this.generateMipmaps = false;
+		this.flipY = false;
 
-}
+		// can't generate mipmaps for compressed textures
+		// mips must be embedded in DDS files
 
-CompressedTexture.prototype = Object.create( Texture.prototype );
-CompressedTexture.prototype.constructor = CompressedTexture;
+		this.generateMipmaps = false;
 
-CompressedTexture.prototype.isCompressedTexture = true;
+	}
 
+}
 
 export { CompressedTexture };

src/textures/CubeTexture.js

@@ -1,50 +1,46 @@
 import { Texture } from './Texture.js';
 import { CubeReflectionMapping, RGBFormat } from '../constants.js';
 
-function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {
+class CubeTexture extends Texture {
 
-	images = images !== undefined ? images : [];
-	mapping = mapping !== undefined ? mapping : CubeReflectionMapping;
-	format = format !== undefined ? format : RGBFormat;
+	constructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {
 
-	Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
+		images = images !== undefined ? images : [];
+		mapping = mapping !== undefined ? mapping : CubeReflectionMapping;
+		format = format !== undefined ? format : RGBFormat;
 
-	this.flipY = false;
+		super( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
 
-	// Why CubeTexture._needsFlipEnvMap is necessary:
-	//
-	// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)
-	// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,
-	// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.
+		Object.defineProperty( this, 'isCubeTexture', { value: true } );
 
-	// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped
-	// and the flag _needsFlipEnvMap controls this conversion. The flip is not required (and thus _needsFlipEnvMap is set to false)
-	// when using WebGLCubeRenderTarget.texture as a cube texture.
+		// Why CubeTexture._needsFlipEnvMap is necessary:
+		//
+		// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)
+		// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,
+		// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.
 
-	this._needsFlipEnvMap = true;
+		// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped
+		// and the flag _needsFlipEnvMap controls this conversion. The flip is not required (and thus _needsFlipEnvMap is set to false)
+		// when using WebGLCubeRenderTarget.texture as a cube texture.
 
-}
-
-CubeTexture.prototype = Object.create( Texture.prototype );
-CubeTexture.prototype.constructor = CubeTexture;
+		this._needsFlipEnvMap = true;
 
-CubeTexture.prototype.isCubeTexture = true;
+		this.flipY = false;
 
-Object.defineProperty( CubeTexture.prototype, 'images', {
+	}
 
-	get: function () {
+	get images() {
 
 		return this.image;
 
-	},
+	}
 
-	set: function ( value ) {
+	set images( value ) {
 
 		this.image = value;
 
 	}
 
-} );
-
+}
 
 export { CubeTexture };

src/textures/DataTexture.js

@@ -1,27 +1,27 @@
 import { Texture } from './Texture.js';
 import { NearestFilter } from '../constants.js';
 
-function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {
+class DataTexture extends Texture {
 
-	Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
+	constructor( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {
 
-	this.image = { data: data || null, width: width || 1, height: height || 1 };
+		super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
 
-	this.magFilter = magFilter !== undefined ? magFilter : NearestFilter;
-	this.minFilter = minFilter !== undefined ? minFilter : NearestFilter;
+		Object.defineProperty( this, 'isDataTexture', { value: true } );
 
-	this.generateMipmaps = false;
-	this.flipY = false;
-	this.unpackAlignment = 1;
+		this.image = { data: data || null, width: width || 1, height: height || 1 };
 
-	this.needsUpdate = true;
+		this.magFilter = magFilter !== undefined ? magFilter : NearestFilter;
+		this.minFilter = minFilter !== undefined ? minFilter : NearestFilter;
 
-}
+		this.generateMipmaps = false;
+		this.flipY = false;
+		this.unpackAlignment = 1;
 
-DataTexture.prototype = Object.create( Texture.prototype );
-DataTexture.prototype.constructor = DataTexture;
+		this.needsUpdate = true;
 
-DataTexture.prototype.isDataTexture = true;
+	}
 
+}
 
 export { DataTexture };

src/textures/DataTexture2DArray.js

@@ -1,26 +1,28 @@
 import { Texture } from './Texture.js';
 import { ClampToEdgeWrapping, NearestFilter } from '../constants.js';
 
-function DataTexture2DArray( data = null, width = 1, height = 1, depth = 1 ) {
+class DataTexture2DArray extends Texture {
 
-	Texture.call( this, null );
+	constructor( data = null, width = 1, height = 1, depth = 1 ) {
 
-	this.image = { data, width, height, depth };
+		super( null );
 
-	this.magFilter = NearestFilter;
-	this.minFilter = NearestFilter;
+		Object.defineProperty( this, 'isDataTexture2DArray', { value: true } );
 
-	this.wrapR = ClampToEdgeWrapping;
+		this.image = { data, width, height, depth };
 
-	this.generateMipmaps = false;
-	this.flipY = false;
+		this.magFilter = NearestFilter;
+		this.minFilter = NearestFilter;
 
-	this.needsUpdate = true;
+		this.wrapR = ClampToEdgeWrapping;
 
-}
+		this.generateMipmaps = false;
+		this.flipY = false;
+
+		this.needsUpdate = true;
 
-DataTexture2DArray.prototype = Object.create( Texture.prototype );
-DataTexture2DArray.prototype.constructor = DataTexture2DArray;
-DataTexture2DArray.prototype.isDataTexture2DArray = true;
+	}
+
+}
 
 export { DataTexture2DArray };

src/textures/DataTexture3D.js

@@ -1,35 +1,36 @@
 import { Texture } from './Texture.js';
 import { ClampToEdgeWrapping, NearestFilter } from '../constants.js';
 
-function DataTexture3D( data = null, width = 1, height = 1, depth = 1 ) {
+class DataTexture3D extends Texture {
 
-	// We're going to add .setXXX() methods for setting properties later.
-	// Users can still set in DataTexture3D directly.
-	//
-	//	const texture = new THREE.DataTexture3D( data, width, height, depth );
-	// 	texture.anisotropy = 16;
-	//
-	// See #14839
+	constructor( data = null, width = 1, height = 1, depth = 1 ) {
 
-	Texture.call( this, null );
+		// We're going to add .setXXX() methods for setting properties later.
+		// Users can still set in DataTexture3D directly.
+		//
+		//	const texture = new THREE.DataTexture3D( data, width, height, depth );
+		// 	texture.anisotropy = 16;
+		//
+		// See #14839
 
-	this.image = { data, width, height, depth };
+		super( null );
 
-	this.magFilter = NearestFilter;
-	this.minFilter = NearestFilter;
+		Object.defineProperty( this, 'isDataTexture3D', { value: true } );
 
-	this.wrapR = ClampToEdgeWrapping;
+		this.image = { data, width, height, depth };
 
-	this.generateMipmaps = false;
-	this.flipY = false;
+		this.magFilter = NearestFilter;
+		this.minFilter = NearestFilter;
 
-	this.needsUpdate = true;
+		this.wrapR = ClampToEdgeWrapping;
 
+		this.generateMipmaps = false;
+		this.flipY = false;
 
-}
+		this.needsUpdate = true;
+
+	}
 
-DataTexture3D.prototype = Object.create( Texture.prototype );
-DataTexture3D.prototype.constructor = DataTexture3D;
-DataTexture3D.prototype.isDataTexture3D = true;
+}
 
 export { DataTexture3D };

src/textures/DepthTexture.js

@@ -1,33 +1,36 @@
 import { Texture } from './Texture.js';
 import { NearestFilter, UnsignedShortType, UnsignedInt248Type, DepthFormat, DepthStencilFormat } from '../constants.js';
 
-function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {
+class DepthTexture extends Texture {
 
-	format = format !== undefined ? format : DepthFormat;
+	constructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {
 
-	if ( format !== DepthFormat && format !== DepthStencilFormat ) {
+		format = format !== undefined ? format : DepthFormat;
 
-		throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );
+		if ( format !== DepthFormat && format !== DepthStencilFormat ) {
 
-	}
+			throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );
 
-	if ( type === undefined && format === DepthFormat ) type = UnsignedShortType;
-	if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;
+		}
 
-	Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
+		if ( type === undefined && format === DepthFormat ) type = UnsignedShortType;
+		if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;
 
-	this.image = { width: width, height: height };
+		super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
 
-	this.magFilter = magFilter !== undefined ? magFilter : NearestFilter;
-	this.minFilter = minFilter !== undefined ? minFilter : NearestFilter;
+		Object.defineProperty( this, 'isDepthTexture', { value: true } );
 
-	this.flipY = false;
-	this.generateMipmaps = false;
+		this.image = { width: width, height: height };
 
-}
+		this.magFilter = magFilter !== undefined ? magFilter : NearestFilter;
+		this.minFilter = minFilter !== undefined ? minFilter : NearestFilter;
 
-DepthTexture.prototype = Object.create( Texture.prototype );
-DepthTexture.prototype.constructor = DepthTexture;
-DepthTexture.prototype.isDepthTexture = true;
+		this.flipY = false;
+		this.generateMipmaps	= false;
+
+	}
+
+
+}
 
 export { DepthTexture };