Vector2: setX, setY, Vector4: setX, setY, setZ, equals. Unit tests for Vector2, Vector3 and Vector4.

src/core/Vector2.js

@@ -25,6 +25,22 @@ THREE.Vector2.prototype = {
 
 	},
 
+	setX: function ( x ) {
+
+		this.x = x;
+
+		return this;
+
+	},
+
+	setY: function ( y ) {
+
+		this.y = y;
+
+		return this;
+
+	},
+
 	copy: function ( v ) {
 
 		this.x = v.x;

src/core/Vector4.js

@@ -30,6 +30,38 @@ THREE.Vector4.prototype = {
 
 	},
 
+	setX: function ( x ) {
+
+		this.x = x;
+
+		return this;
+
+	},
+
+	setY: function ( y ) {
+
+		this.y = y;
+
+		return this;
+
+	},
+
+	setZ: function ( z ) {
+
+		this.z = z;
+
+		return this;
+
+	},
+
+	setW: function ( w ) {
+
+		this.w = w;
+
+		return this;
+
+	},
+
 	copy: function ( v ) {
 
 		this.x = v.x;
@@ -244,6 +276,12 @@ THREE.Vector4.prototype = {
 
 	},
 
+	equals: function ( v ) {
+
+		return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );
+
+	},
+
 	clone: function () {
 
 		return new THREE.Vector4( this.x, this.y, this.z, this.w );

test/core/tests.js → test/core/Vector2.js

@@ -1,7 +1,11 @@
-var x = 1;
-var y = 2;
-var z = 3;
-var w = 4;
+/**
+ * @author bhouston / http://exocortex.com
+ */
+
+var x = 2;
+var y = 3;
+var z = 4;
+var w = 5;
 
 module( "Vector2" );
 
@@ -130,9 +134,92 @@ test( "dot", function() {
 	var c = new THREE.Vector2();
 	
 	var result = a.dot( b );
-	ok( result == (x*x+y*y), "Passed!" );
+	ok( result == (-x*x-y*y), "Passed!" );
 
 	result = a.dot( c );
 	ok( result == 0, "Passed!" );
 });
 
+test( "length/lengthSq", function() {
+	var a = new THREE.Vector2( x, 0 );
+	var b = new THREE.Vector2( 0, -y );
+	var c = new THREE.Vector2();
+	
+	ok( a.length() == x, "Passed!" );
+	ok( a.lengthSq() == x*x, "Passed!" );
+	ok( b.length() == y, "Passed!" );
+	ok( b.lengthSq() == y*y, "Passed!" );
+	ok( c.length() == 0, "Passed!" );
+	ok( c.lengthSq() == 0, "Passed!" );
+
+	a.set( x, y );
+	ok( a.length() == Math.sqrt( x*x + y*y ), "Passed!" );
+	ok( a.lengthSq() == ( x*x + y*y ), "Passed!" );
+});
+
+test( "normalize", function() {
+	var a = new THREE.Vector2( x, 0 );
+	var b = new THREE.Vector2( 0, -y );
+	var c = new THREE.Vector2();
+	
+	a.normalize();
+	ok( a.length() == 1, "Passed!" );
+	ok( a.x == 1, "Passed!" );
+
+	b.normalize();
+	ok( b.length() == 1, "Passed!" );
+	ok( b.y == -1, "Passed!" );
+});
+
+test( "distanceTo/distanceToSquared", function() {
+	var a = new THREE.Vector2( x, 0 );
+	var b = new THREE.Vector2( 0, -y );
+	var c = new THREE.Vector2();
+	
+	ok( a.distanceTo( c ) == x, "Passed!" );
+	ok( a.distanceToSquared( c ) == x*x, "Passed!" );
+
+	ok( b.distanceTo( c ) == y, "Passed!" );
+	ok( b.distanceToSquared( c ) == y*y, "Passed!" );
+});
+
+test( "setLength", function() {
+	var a = new THREE.Vector2( x, 0 );
+	
+	ok( a.length() == x, "Passed!" );
+	a.setLength( y );
+	ok( a.length() == y, "Passed!" );
+});
+
+test( "lerpSelf/clone", function() {
+	var a = new THREE.Vector2( x, 0 );
+	var b = new THREE.Vector2( 0, -y );
+	
+	ok( a.lerpSelf( a, 0 ).equals( a.lerpSelf( a, 0.5 ) ), "Passed!" );
+	ok( a.lerpSelf( a, 0 ).equals( a.lerpSelf( a, 1 ) ), "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 0 ).equals( a ), "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 0.5 ).x == x*0.5, "Passed!" );
+	ok( a.clone().lerpSelf( b, 0.5 ).y == -y*0.5, "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 1 ).equals( b ), "Passed!" );
+});
+
+test( "equals", function() {
+	var a = new THREE.Vector2( x, 0 );
+	var b = new THREE.Vector2( 0, -y );
+	
+	ok( a.x != b.x, "Passed!" );
+	ok( a.y != b.y, "Passed!" );
+
+	ok( ! a.equals( b ), "Passed!" );
+	ok( ! b.equals( a ), "Passed!" );
+
+	a.copy( b );
+	ok( a.x == b.x, "Passed!" );
+	ok( a.y == b.y, "Passed!" );
+
+	ok( a.equals( b ), "Passed!" );
+	ok( b.equals( a ), "Passed!" );
+});

test/core/Vector3.js

@@ -0,0 +1,261 @@
+/**
+ * @author bhouston / http://exocortex.com
+ */
+
+var x = 2;
+var y = 3;
+var z = 4;
+var w = 5;
+
+module( "Vector3" );
+
+test( "constructor", function() {
+	var a = new THREE.Vector3();
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+
+	a = new THREE.Vector3( x, y, z );
+	ok( a.x === x, "Passed!" );
+	ok( a.y === y, "Passed!" );
+	ok( a.z === z, "Passed!" );
+});
+
+test( "copy", function() {
+	var a = new THREE.Vector3( x, y, z );
+	var b = new THREE.Vector3().copy( a );
+	ok( b.x == x, "Passed!" );
+	ok( b.y == y, "Passed!" );
+	ok( b.z == z, "Passed!" );
+
+	// ensure that it is a true copy
+	a.x = 0;
+	a.y = -1;
+	a.z = -2;
+	ok( b.x == x, "Passed!" );
+	ok( b.y == y, "Passed!" );
+	ok( b.z == z, "Passed!" );
+});
+
+test( "set", function() {
+	var a = new THREE.Vector3();
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+
+	a.set( x, y, z )
+	ok( a.x == x, "Passed!" );
+	ok( a.y == y, "Passed!" );
+	ok( a.z == z, "Passed!" );
+});
+
+test( "setX,setY,setZ", function() {
+	var a = new THREE.Vector3();
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+
+	a.setX( x );
+	a.setY( y );
+	a.setZ( z );
+
+	ok( a.x == x, "Passed!" );
+	ok( a.y == y, "Passed!" );
+	ok( a.z == z, "Passed!" );
+});
+
+test( "add", function() {
+	var a = new THREE.Vector3( x, y, z );
+	var b = new THREE.Vector3( -x, -y, -z );
+
+	a.addSelf( b );
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+
+	var c = new THREE.Vector3().add( b, b );
+	ok( c.x == -2*x, "Passed!" );
+	ok( c.y == -2*y, "Passed!" );	
+	ok( c.z == -2*z, "Passed!" );	
+});
+
+test( "sub", function() {
+	var a = new THREE.Vector3( x, y, z );
+	var b = new THREE.Vector3( -x, -y, -z );
+
+	a.subSelf( b );
+	ok( a.x == 2*x, "Passed!" );
+	ok( a.y == 2*y, "Passed!" );
+	ok( a.z == 2*z, "Passed!" );
+
+	var c = new THREE.Vector3().sub( a, a );
+	ok( c.x == 0, "Passed!" );
+	ok( c.y == 0, "Passed!" );	
+	ok( c.z == 0, "Passed!" );	
+});
+
+test( "multiply/divide", function() {
+	var a = new THREE.Vector3( x, y, z );
+	var b = new THREE.Vector3( -x, -y, -z );
+
+	a.multiplyScalar( -2 );
+	ok( a.x == x*-2, "Passed!" );
+	ok( a.y == y*-2, "Passed!" );
+	ok( a.z == z*-2, "Passed!" );
+
+	b.multiplyScalar( -2 );
+	ok( b.x == 2*x, "Passed!" );
+	ok( b.y == 2*y, "Passed!" );	
+	ok( b.z == 2*z, "Passed!" );	
+
+	a.divideScalar( -2 );
+	ok( a.x == x, "Passed!" );
+	ok( a.y == y, "Passed!" );
+	ok( a.z == z, "Passed!" );
+
+	b.divideScalar( -2 );
+	ok( b.x == -x, "Passed!" );
+	ok( b.y == -y, "Passed!" );	
+	ok( b.z == -z, "Passed!" );	
+});
+
+test( "min/max/clamp", function() {
+	var a = new THREE.Vector3( x, y, z );
+	var b = new THREE.Vector3( -x, -y, -z );
+	var c = new THREE.Vector3();
+
+	c.copy( a ).minSelf( b );
+	ok( c.x == -x, "Passed!" );
+	ok( c.y == -y, "Passed!" );
+	ok( c.z == -z, "Passed!" );
+
+	c.copy( a ).maxSelf( b );
+	ok( c.x == x, "Passed!" );
+	ok( c.y == y, "Passed!" );
+	ok( c.z == z, "Passed!" );
+
+	c.set( -2*x, 2*y, -2*z );
+	c.clampSelf( b, a );
+	ok( c.x == -x, "Passed!" );
+	ok( c.y == y, "Passed!" );	
+	ok( c.z == -z, "Passed!" );	
+});
+
+test( "negate", function() {
+	var a = new THREE.Vector3( x, y, z );
+	
+	a.negate();
+	ok( a.x == -x, "Passed!" );
+	ok( a.y == -y, "Passed!" );
+	ok( a.z == -z, "Passed!" );
+});
+
+test( "dot", function() {
+	var a = new THREE.Vector3( x, y, z );
+	var b = new THREE.Vector3( -x, -y, -z );
+	var c = new THREE.Vector3();
+	
+	var result = a.dot( b );
+	ok( result == (-x*x-y*y-z*z), "Passed!" );
+
+	result = a.dot( c );
+	ok( result == 0, "Passed!" );
+});
+
+test( "length/lengthSq", function() {
+	var a = new THREE.Vector3( x, 0, 0 );
+	var b = new THREE.Vector3( 0, -y, 0 );
+	var c = new THREE.Vector3( 0, 0, z );
+	var d = new THREE.Vector3();
+	
+	ok( a.length() == x, "Passed!" );
+	ok( a.lengthSq() == x*x, "Passed!" );
+	ok( b.length() == y, "Passed!" );
+	ok( b.lengthSq() == y*y, "Passed!" );
+	ok( c.length() == z, "Passed!" );
+	ok( c.lengthSq() == z*z, "Passed!" );
+	ok( d.length() == 0, "Passed!" );
+	ok( d.lengthSq() == 0, "Passed!" );
+
+	a.set( x, y, z );
+	ok( a.length() == Math.sqrt( x*x + y*y + z*z ), "Passed!" );
+	ok( a.lengthSq() == ( x*x + y*y + z*z ), "Passed!" );
+});
+
+test( "normalize", function() {
+	var a = new THREE.Vector3( x, 0, 0 );
+	var b = new THREE.Vector3( 0, -y, 0 );
+	var c = new THREE.Vector3( 0, 0, z );
+	
+	a.normalize();
+	ok( a.length() == 1, "Passed!" );
+	ok( a.x == 1, "Passed!" );
+
+	b.normalize();
+	ok( b.length() == 1, "Passed!" );
+	ok( b.y == -1, "Passed!" );
+
+	c.normalize();
+	ok( c.length() == 1, "Passed!" );
+	ok( c.z == 1, "Passed!" );
+});
+
+test( "distanceTo/distanceToSquared", function() {
+	var a = new THREE.Vector3( x, 0, 0 );
+	var b = new THREE.Vector3( 0, -y, 0 );
+	var c = new THREE.Vector3( 0, 0, z );
+	var d = new THREE.Vector3();
+	
+	ok( a.distanceTo( d ) == x, "Passed!" );
+	ok( a.distanceToSquared( d ) == x*x, "Passed!" );
+
+	ok( b.distanceTo( d ) == y, "Passed!" );
+	ok( b.distanceToSquared( d ) == y*y, "Passed!" );
+
+	ok( c.distanceTo( d ) == z, "Passed!" );
+	ok( c.distanceToSquared( d ) == z*z, "Passed!" );
+});
+
+test( "setLength", function() {
+	var a = new THREE.Vector3( x, 0, 0 );
+	
+	ok( a.length() == x, "Passed!" );
+	a.setLength( y );
+	ok( a.length() == y, "Passed!" );
+});
+
+test( "lerpSelf/clone", function() {
+	var a = new THREE.Vector3( x, 0, z );
+	var b = new THREE.Vector3( 0, -y, 0 );
+	
+	ok( a.lerpSelf( a, 0 ).equals( a.lerpSelf( a, 0.5 ) ), "Passed!" );
+	ok( a.lerpSelf( a, 0 ).equals( a.lerpSelf( a, 1 ) ), "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 0 ).equals( a ), "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 0.5 ).x == x*0.5, "Passed!" );
+	ok( a.clone().lerpSelf( b, 0.5 ).y == -y*0.5, "Passed!" );
+	ok( a.clone().lerpSelf( b, 0.5 ).z == z*0.5, "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 1 ).equals( b ), "Passed!" );
+});
+
+test( "equals", function() {
+	var a = new THREE.Vector3( x, 0, z );
+	var b = new THREE.Vector3( 0, -y, 0 );
+	
+	ok( a.x != b.x, "Passed!" );
+	ok( a.y != b.y, "Passed!" );
+	ok( a.z != b.z, "Passed!" );
+
+	ok( ! a.equals( b ), "Passed!" );
+	ok( ! b.equals( a ), "Passed!" );
+
+	a.copy( b );
+	ok( a.x == b.x, "Passed!" );
+	ok( a.y == b.y, "Passed!" );
+	ok( a.z == b.z, "Passed!" );
+
+	ok( a.equals( b ), "Passed!" );
+	ok( b.equals( a ), "Passed!" );
+});

test/core/Vector4.js

@@ -0,0 +1,301 @@
+/**
+ * @author bhouston / http://exocortex.com
+ */
+
+var x = 2;
+var y = 3;
+var z = 4;
+var w = 5;
+
+module( "Vector4" );
+
+test( "constructor", function() {
+	var a = new THREE.Vector4();
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+	ok( a.w == 1, "Passed!" );
+
+	a = new THREE.Vector4( x, y, z, w );
+	ok( a.x === x, "Passed!" );
+	ok( a.y === y, "Passed!" );
+	ok( a.z === z, "Passed!" );
+	ok( a.w === w, "Passed!" );
+});
+
+test( "copy", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	var b = new THREE.Vector4().copy( a );
+	ok( b.x == x, "Passed!" );
+	ok( b.y == y, "Passed!" );
+	ok( b.z == z, "Passed!" );
+	ok( b.w == w, "Passed!" );
+
+	// ensure that it is a true copy
+	a.x = 0;
+	a.y = -1;
+	a.z = -2;
+	a.w = -3;
+	ok( b.x == x, "Passed!" );
+	ok( b.y == y, "Passed!" );
+	ok( b.z == z, "Passed!" );
+	ok( b.w == w, "Passed!" );
+});
+
+test( "set", function() {
+	var a = new THREE.Vector4();
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+	ok( a.w == 1, "Passed!" );
+
+	a.set( x, y, z, w )
+	ok( a.x == x, "Passed!" );
+	ok( a.y == y, "Passed!" );
+	ok( a.z == z, "Passed!" );
+	ok( a.w == w, "Passed!" );
+});
+
+test( "setX,setY,setZ,setW", function() {
+	var a = new THREE.Vector4();
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+	ok( a.w == 1, "Passed!" );
+
+	a.setX( x );
+	a.setY( y );
+	a.setZ( z );
+	a.setW( w );
+
+	ok( a.x == x, "Passed!" );
+	ok( a.y == y, "Passed!" );
+	ok( a.z == z, "Passed!" );
+	ok( a.w == w, "Passed!" );
+});
+
+test( "add", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	var b = new THREE.Vector4( -x, -y, -z, -w );
+
+	a.addSelf( b );
+	ok( a.x == 0, "Passed!" );
+	ok( a.y == 0, "Passed!" );
+	ok( a.z == 0, "Passed!" );
+	ok( a.w == 0, "Passed!" );
+
+	var c = new THREE.Vector4().add( b, b );
+	ok( c.x == -2*x, "Passed!" );
+	ok( c.y == -2*y, "Passed!" );	
+	ok( c.z == -2*z, "Passed!" );	
+	ok( c.w == -2*w, "Passed!" );	
+});
+
+test( "sub", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	var b = new THREE.Vector4( -x, -y, -z, -w );
+
+	a.subSelf( b );
+	ok( a.x == 2*x, "Passed!" );
+	ok( a.y == 2*y, "Passed!" );
+	ok( a.z == 2*z, "Passed!" );
+	ok( a.w == 2*w, "Passed!" );
+
+	var c = new THREE.Vector4().sub( a, a );
+	ok( c.x == 0, "Passed!" );
+	ok( c.y == 0, "Passed!" );	
+	ok( c.z == 0, "Passed!" );	
+	ok( c.w == 0, "Passed!" );	
+});
+
+test( "multiply/divide", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	var b = new THREE.Vector4( -x, -y, -z, -w );
+
+	a.multiplyScalar( -2 );
+	ok( a.x == x*-2, "Passed!" );
+	ok( a.y == y*-2, "Passed!" );
+	ok( a.z == z*-2, "Passed!" );
+	ok( a.w == w*-2, "Passed!" );
+
+	b.multiplyScalar( -2 );
+	ok( b.x == 2*x, "Passed!" );
+	ok( b.y == 2*y, "Passed!" );	
+	ok( b.z == 2*z, "Passed!" );	
+	ok( b.w == 2*w, "Passed!" );	
+
+	a.divideScalar( -2 );
+	ok( a.x == x, "Passed!" );
+	ok( a.y == y, "Passed!" );
+	ok( a.z == z, "Passed!" );
+	ok( a.w == w, "Passed!" );
+
+	b.divideScalar( -2 );
+	ok( b.x == -x, "Passed!" );
+	ok( b.y == -y, "Passed!" );	
+	ok( b.z == -z, "Passed!" );	
+	ok( b.w == -w, "Passed!" );	
+});
+
+test( "min/max/clamp", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	var b = new THREE.Vector4( -x, -y, -z, -w );
+	var c = new THREE.Vector4();
+
+	c.copy( a ).minSelf( b );
+	ok( c.x == -x, "Passed!" );
+	ok( c.y == -y, "Passed!" );
+	ok( c.z == -z, "Passed!" );
+	ok( c.w == -w, "Passed!" );
+
+	c.copy( a ).maxSelf( b );
+	ok( c.x == x, "Passed!" );
+	ok( c.y == y, "Passed!" );
+	ok( c.z == z, "Passed!" );
+	ok( c.w == w, "Passed!" );
+
+	c.set( -2*x, 2*y, -2*z, 2*w );
+	c.clampSelf( b, a );
+	ok( c.x == -x, "Passed!" );
+	ok( c.y == y, "Passed!" );	
+	ok( c.z == -z, "Passed!" );	
+	ok( c.w == w, "Passed!" );	
+});
+
+test( "negate", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	
+	a.negate();
+	ok( a.x == -x, "Passed!" );
+	ok( a.y == -y, "Passed!" );
+	ok( a.z == -z, "Passed!" );
+	ok( a.w == -w, "Passed!" );
+});
+
+test( "dot", function() {
+	var a = new THREE.Vector4( x, y, z, w );
+	var b = new THREE.Vector4( -x, -y, -z, -w );
+	var c = new THREE.Vector4( 0, 0, 0, 0 );
+	
+	var result = a.dot( b );
+	ok( result == (-x*x-y*y-z*z-w*w), "Passed!" );
+
+	result = a.dot( c );
+	ok( result == 0, "Passed!" );
+});
+
+test( "length/lengthSq", function() {
+	var a = new THREE.Vector4( x, 0, 0, 0 );
+	var b = new THREE.Vector4( 0, -y, 0, 0 );
+	var c = new THREE.Vector4( 0, 0, z, 0 );
+	var d = new THREE.Vector4( 0, 0, 0, w );
+	var e = new THREE.Vector4( 0, 0, 0, 0 );
+	
+	ok( a.length() == x, "Passed!" );
+	ok( a.lengthSq() == x*x, "Passed!" );
+	ok( b.length() == y, "Passed!" );
+	ok( b.lengthSq() == y*y, "Passed!" );
+	ok( c.length() == z, "Passed!" );
+	ok( c.lengthSq() == z*z, "Passed!" );
+	ok( d.length() == w, "Passed!" );
+	ok( d.lengthSq() == w*w, "Passed!" );
+	ok( e.length() == 0, "Passed!" );
+	ok( e.lengthSq() == 0, "Passed!" );
+
+	a.set( x, y, z, w );
+	ok( a.length() == Math.sqrt( x*x + y*y + z*z + w*w ), "Passed!" );
+	ok( a.lengthSq() == ( x*x + y*y + z*z + w*w ), "Passed!" );
+});
+
+test( "normalize", function() {
+	var a = new THREE.Vector4( x, 0, 0, 0 );
+	var b = new THREE.Vector4( 0, -y, 0, 0 );
+	var c = new THREE.Vector4( 0, 0, z, 0 );
+	var d = new THREE.Vector4( 0, 0, 0, -w );
+	
+	a.normalize();
+	ok( a.length() == 1, "Passed!" );
+	ok( a.x == 1, "Passed!" );
+
+	b.normalize();
+	ok( b.length() == 1, "Passed!" );
+	ok( b.y == -1, "Passed!" );
+
+	c.normalize();
+	ok( c.length() == 1, "Passed!" );
+	ok( c.z == 1, "Passed!" );
+
+	d.normalize();
+	ok( d.length() == 1, "Passed!" );
+	ok( d.w == -1, "Passed!" );
+});
+
+/*
+test( "distanceTo/distanceToSquared", function() {
+	var a = new THREE.Vector4( x, 0, 0, 0 );
+	var b = new THREE.Vector4( 0, -y, 0, 0 );
+	var c = new THREE.Vector4( 0, 0, z, 0 );
+	var d = new THREE.Vector4( 0, 0, 0, -w );
+	var e = new THREE.Vector4();
+	
+	ok( a.distanceTo( e ) == x, "Passed!" );
+	ok( a.distanceToSquared( e ) == x*x, "Passed!" );
+
+	ok( b.distanceTo( e ) == y, "Passed!" );
+	ok( b.distanceToSquared( e ) == y*y, "Passed!" );
+
+	ok( c.distanceTo( e ) == z, "Passed!" );
+	ok( c.distanceToSquared( e ) == z*z, "Passed!" );
+
+	ok( d.distanceTo( e ) == w, "Passed!" );
+	ok( d.distanceToSquared( e ) == w*w, "Passed!" );
+});
+*/
+
+
+test( "setLength", function() {
+	var a = new THREE.Vector4( x, 0, 0, 0 );
+	
+	ok( a.length() == x, "Passed!" );
+	a.setLength( y );
+	ok( a.length() == y, "Passed!" );
+});
+
+test( "lerpSelf/clone", function() {
+	var a = new THREE.Vector4( x, 0, z, 0 );
+	var b = new THREE.Vector4( 0, -y, 0, -w );
+	
+	ok( a.lerpSelf( a, 0 ).equals( a.lerpSelf( a, 0.5 ) ), "Passed!" );
+	ok( a.lerpSelf( a, 0 ).equals( a.lerpSelf( a, 1 ) ), "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 0 ).equals( a ), "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 0.5 ).x == x*0.5, "Passed!" );
+	ok( a.clone().lerpSelf( b, 0.5 ).y == -y*0.5, "Passed!" );
+	ok( a.clone().lerpSelf( b, 0.5 ).z == z*0.5, "Passed!" );
+	ok( a.clone().lerpSelf( b, 0.5 ).w == -w*0.5, "Passed!" );
+
+	ok( a.clone().lerpSelf( b, 1 ).equals( b ), "Passed!" );
+});
+
+test( "equals", function() {
+	var a = new THREE.Vector4( x, 0, z, 0 );
+	var b = new THREE.Vector4( 0, -y, 0, -w );
+	
+	ok( a.x != b.x, "Passed!" );
+	ok( a.y != b.y, "Passed!" );
+	ok( a.z != b.z, "Passed!" );
+	ok( a.w != b.w, "Passed!" );
+
+	ok( ! a.equals( b ), "Passed!" );
+	ok( ! b.equals( a ), "Passed!" );
+
+	a.copy( b );
+	ok( a.x == b.x, "Passed!" );
+	ok( a.y == b.y, "Passed!" );
+	ok( a.z == b.z, "Passed!" );
+	ok( a.w == b.w, "Passed!" );
+
+	ok( a.equals( b ), "Passed!" );
+	ok( b.equals( a ), "Passed!" );
+});

test/testsuite.html

@@ -9,6 +9,8 @@
   <div id="qunit"></div>
   <script src="../build/three.min.js"></script>
   <script src="qunit/qunit-1.10.0.js"></script>
-  <script src="core/tests.js"></script>
+  <script src="core/Vector2.js"></script>
+  <script src="core/Vector3.js"></script>
+  <script src="core/Vector4.js"></script>
 </body>
 </html>