Core: Switch to this.is* = true.

src/animation/AnimationObjectGroup.js

@@ -34,6 +34,8 @@ class AnimationObjectGroup {
 
 	constructor() {
 
+		this.isAnimationObjectGroup = true;
+
 		this.uuid = MathUtils.generateUUID();
 
 		// cached objects followed by the active ones
@@ -382,6 +384,4 @@ class AnimationObjectGroup {
 
 }
 
-AnimationObjectGroup.prototype.isAnimationObjectGroup = true;
-
 export { AnimationObjectGroup };

src/cameras/ArrayCamera.js

@@ -6,13 +6,12 @@ class ArrayCamera extends PerspectiveCamera {
 
 		super();
 
+		this.isArrayCamera = true;
+
 		this.cameras = array;
 
 	}
 
 }
 
-ArrayCamera.prototype.isArrayCamera = true;
-
-
 export { ArrayCamera };

src/cameras/Camera.js

@@ -7,6 +7,8 @@ class Camera extends Object3D {
 
 		super();
 
+		this.isCamera = true;
+
 		this.type = 'Camera';
 
 		this.matrixWorldInverse = new Matrix4();
@@ -63,6 +65,4 @@ class Camera extends Object3D {
 
 }
 
-Camera.prototype.isCamera = true;
-
 export { Camera };

src/cameras/OrthographicCamera.js

@@ -6,6 +6,8 @@ class OrthographicCamera extends Camera {
 
 		super();
 
+		this.isOrthographicCamera = true;
+
 		this.type = 'OrthographicCamera';
 
 		this.zoom = 1;
@@ -131,6 +133,4 @@ class OrthographicCamera extends Camera {
 
 }
 
-OrthographicCamera.prototype.isOrthographicCamera = true;
-
 export { OrthographicCamera };

src/cameras/PerspectiveCamera.js

@@ -7,6 +7,8 @@ class PerspectiveCamera extends Camera {
 
 		super();
 
+		this.isPerspectiveCamera = true;
+
 		this.type = 'PerspectiveCamera';
 
 		this.fov = fov;
@@ -228,6 +230,4 @@ class PerspectiveCamera extends Camera {
 
 }
 
-PerspectiveCamera.prototype.isPerspectiveCamera = true;
-
 export { PerspectiveCamera };

src/core/BufferAttribute.js

@@ -17,6 +17,8 @@ class BufferAttribute {
 
 		}
 
+		this.isBufferAttribute = true;
+
 		this.name = '';
 
 		this.array = array;
@@ -399,8 +401,6 @@ class BufferAttribute {
 
 }
 
-BufferAttribute.prototype.isBufferAttribute = true;
-
 //
 
 class Int8BufferAttribute extends BufferAttribute {
@@ -479,11 +479,12 @@ class Float16BufferAttribute extends BufferAttribute {
 
 		super( new Uint16Array( array ), itemSize, normalized );
 
+		this.isFloat16BufferAttribute = true;
+
 	}
 
 }
 
-Float16BufferAttribute.prototype.isFloat16BufferAttribute = true;
 
 class Float32BufferAttribute extends BufferAttribute {
 

src/core/BufferGeometry.js

@@ -25,6 +25,8 @@ class BufferGeometry extends EventDispatcher {
 
 		super();
 
+		this.isBufferGeometry = true;
+
 		Object.defineProperty( this, 'id', { value: _id ++ } );
 
 		this.uuid = MathUtils.generateUUID();
@@ -1125,6 +1127,4 @@ class BufferGeometry extends EventDispatcher {
 
 }
 
-BufferGeometry.prototype.isBufferGeometry = true;
-
 export { BufferGeometry };

src/core/GLBufferAttribute.js

@@ -2,6 +2,8 @@ class GLBufferAttribute {
 
 	constructor( buffer, type, itemSize, elementSize, count ) {
 
+		this.isGLBufferAttribute = true;
+
 		this.buffer = buffer;
 		this.type = type;
 		this.itemSize = itemSize;
@@ -53,6 +55,4 @@ class GLBufferAttribute {
 
 }
 
-GLBufferAttribute.prototype.isGLBufferAttribute = true;
-
 export { GLBufferAttribute };

src/core/InstancedBufferAttribute.js

@@ -16,6 +16,8 @@ class InstancedBufferAttribute extends BufferAttribute {
 
 		super( array, itemSize, normalized );
 
+		this.isInstancedBufferAttribute = true;
+
 		this.meshPerAttribute = meshPerAttribute;
 
 	}
@@ -44,6 +46,4 @@ class InstancedBufferAttribute extends BufferAttribute {
 
 }
 
-InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;
-
 export { InstancedBufferAttribute };

src/core/InstancedBufferGeometry.js

@@ -6,6 +6,8 @@ class InstancedBufferGeometry extends BufferGeometry {
 
 		super();
 
+		this.isInstancedBufferGeometry = true;
+
 		this.type = 'InstancedBufferGeometry';
 		this.instanceCount = Infinity;
 
@@ -41,6 +43,4 @@ class InstancedBufferGeometry extends BufferGeometry {
 
 }
 
-InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;
-
 export { InstancedBufferGeometry };

src/core/InstancedInterleavedBuffer.js

@@ -6,6 +6,8 @@ class InstancedInterleavedBuffer extends InterleavedBuffer {
 
 		super( array, stride );
 
+		this.isInstancedInterleavedBuffer = true;
+
 		this.meshPerAttribute = meshPerAttribute;
 
 	}
@@ -43,6 +45,4 @@ class InstancedInterleavedBuffer extends InterleavedBuffer {
 
 }
 
-InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;
-
 export { InstancedInterleavedBuffer };

src/core/InterleavedBuffer.js

@@ -5,6 +5,8 @@ class InterleavedBuffer {
 
 	constructor( array, stride ) {
 
+		this.isInterleavedBuffer = true;
+
 		this.array = array;
 		this.stride = stride;
 		this.count = array !== undefined ? array.length / stride : 0;
@@ -140,6 +142,4 @@ class InterleavedBuffer {
 
 }
 
-InterleavedBuffer.prototype.isInterleavedBuffer = true;
-
 export { InterleavedBuffer };

src/core/InterleavedBufferAttribute.js

@@ -7,6 +7,8 @@ class InterleavedBufferAttribute {
 
 	constructor( interleavedBuffer, itemSize, offset, normalized = false ) {
 
+		this.isInterleavedBufferAttribute = true;
+
 		this.name = '';
 
 		this.data = interleavedBuffer;
@@ -276,7 +278,5 @@ class InterleavedBufferAttribute {
 
 }
 
-InterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;
-
 
 export { InterleavedBufferAttribute };

src/core/Object3D.js

@@ -31,6 +31,8 @@ class Object3D extends EventDispatcher {
 
 		super();
 
+		this.isObject3D = true;
+
 		Object.defineProperty( this, 'id', { value: _object3DId ++ } );
 
 		this.uuid = MathUtils.generateUUID();
@@ -922,6 +924,4 @@ class Object3D extends EventDispatcher {
 Object3D.DefaultUp = new Vector3( 0, 1, 0 );
 Object3D.DefaultMatrixAutoUpdate = true;
 
-Object3D.prototype.isObject3D = true;
-
 export { Object3D };

src/extras/curves/ArcCurve.js

@@ -6,12 +6,12 @@ class ArcCurve extends EllipseCurve {
 
 		super( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );
 
+		this.isArcCurve = true;
+
 		this.type = 'ArcCurve';
 
 	}
 
 }
 
-ArcCurve.prototype.isArcCurve = true;
-
 export { ArcCurve };

src/extras/curves/CatmullRomCurve3.js

@@ -87,6 +87,8 @@ class CatmullRomCurve3 extends Curve {
 
 		super();
 
+		this.isCatmullRomCurve3 = true;
+
 		this.type = 'CatmullRomCurve3';
 
 		this.points = points;
@@ -248,6 +250,4 @@ class CatmullRomCurve3 extends Curve {
 
 }
 
-CatmullRomCurve3.prototype.isCatmullRomCurve3 = true;
-
 export { CatmullRomCurve3 };

src/extras/curves/CubicBezierCurve.js

@@ -8,6 +8,8 @@ class CubicBezierCurve extends Curve {
 
 		super();
 
+		this.isCubicBezierCurve = true;
+
 		this.type = 'CubicBezierCurve';
 
 		this.v0 = v0;
@@ -73,6 +75,4 @@ class CubicBezierCurve extends Curve {
 
 }
 
-CubicBezierCurve.prototype.isCubicBezierCurve = true;
-
 export { CubicBezierCurve };

src/extras/curves/CubicBezierCurve3.js

@@ -8,6 +8,8 @@ class CubicBezierCurve3 extends Curve {
 
 		super();
 
+		this.isCubicBezierCurve3 = true;
+
 		this.type = 'CubicBezierCurve3';
 
 		this.v0 = v0;
@@ -74,6 +76,4 @@ class CubicBezierCurve3 extends Curve {
 
 }
 
-CubicBezierCurve3.prototype.isCubicBezierCurve3 = true;
-
 export { CubicBezierCurve3 };

src/extras/curves/EllipseCurve.js

@@ -7,6 +7,8 @@ class EllipseCurve extends Curve {
 
 		super();
 
+		this.isEllipseCurve = true;
+
 		this.type = 'EllipseCurve';
 
 		this.aX = aX;
@@ -151,6 +153,4 @@ class EllipseCurve extends Curve {
 
 }
 
-EllipseCurve.prototype.isEllipseCurve = true;
-
 export { EllipseCurve };

src/extras/curves/LineCurve.js

@@ -7,6 +7,8 @@ class LineCurve extends Curve {
 
 		super();
 
+		this.isLineCurve = true;
+
 		this.type = 'LineCurve';
 
 		this.v1 = v1;
@@ -85,6 +87,4 @@ class LineCurve extends Curve {
 
 }
 
-LineCurve.prototype.isLineCurve = true;
-
 export { LineCurve };

src/extras/curves/LineCurve3.js

@@ -7,9 +7,10 @@ class LineCurve3 extends Curve {
 
 		super();
 
-		this.type = 'LineCurve3';
 		this.isLineCurve3 = true;
 
+		this.type = 'LineCurve3';
+
 		this.v1 = v1;
 		this.v2 = v2;
 

src/extras/curves/QuadraticBezierCurve.js

@@ -8,6 +8,8 @@ class QuadraticBezierCurve extends Curve {
 
 		super();
 
+		this.isQuadraticBezierCurve = true;
+
 		this.type = 'QuadraticBezierCurve';
 
 		this.v0 = v0;
@@ -69,6 +71,4 @@ class QuadraticBezierCurve extends Curve {
 
 }
 
-QuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;
-
 export { QuadraticBezierCurve };

src/extras/curves/QuadraticBezierCurve3.js

@@ -8,6 +8,8 @@ class QuadraticBezierCurve3 extends Curve {
 
 		super();
 
+		this.isQuadraticBezierCurve3 = true;
+
 		this.type = 'QuadraticBezierCurve3';
 
 		this.v0 = v0;
@@ -70,6 +72,4 @@ class QuadraticBezierCurve3 extends Curve {
 
 }
 
-QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;
-
 export { QuadraticBezierCurve3 };

src/extras/curves/SplineCurve.js

@@ -8,6 +8,8 @@ class SplineCurve extends Curve {
 
 		super();
 
+		this.isSplineCurve = true;
+
 		this.type = 'SplineCurve';
 
 		this.points = points;
@@ -92,6 +94,4 @@ class SplineCurve extends Curve {
 
 }
 
-SplineCurve.prototype.isSplineCurve = true;
-
 export { SplineCurve };