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Name	Size	Permission
interpolants	[ DIR ]	drwxr-xr-x
Box2.js	3.14 KB	-rw-r--r--
Box3.js	10.87 KB	-rw-r--r--
Color.js	13.4 KB	-rw-r--r--
ColorManagement.js	4.04 KB	-rw-r--r--
Cylindrical.js	953 B	-rw-r--r--
Euler.js	4.65 KB	-rw-r--r--
Frustum.js	3.8 KB	-rw-r--r--
Interpolant.js	4.17 KB	-rw-r--r--
Line3.js	1.73 KB	-rw-r--r--
MathUtils.js	8.35 KB	-rw-r--r--
Matrix3.js	5.91 KB	-rw-r--r--
Matrix4.js	19.25 KB	-rw-r--r--
Plane.js	3.56 KB	-rw-r--r--
Quaternion.js	12.22 KB	-rw-r--r--
Ray.js	9.75 KB	-rw-r--r--
Sphere.js	3.57 KB	-rw-r--r--
Spherical.js	1.32 KB	-rw-r--r--
SphericalHarmonics3.js	4.39 KB	-rw-r--r--
Triangle.js	6.9 KB	-rw-r--r--
Vector2.js	5.58 KB	-rw-r--r--
Vector3.js	10.65 KB	-rw-r--r--
Vector4.js	9.84 KB	-rw-r--r--

Code Editor : Matrix3.js

class Matrix3 {

constructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {

Matrix3.prototype.isMatrix3 = true;

this.elements = [

1, 0, 0,
			0, 1, 0,
			0, 0, 1

];

if ( n11 !== undefined ) {

this.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 );

}

set( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {

const te = this.elements;

te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;
		te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;
		te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;

return this;

}

identity() {

this.set(

1, 0, 0,
			0, 1, 0,
			0, 0, 1

);

return this;

}

copy( m ) {

const te = this.elements;
		const me = m.elements;

te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];
		te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];
		te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];

return this;

}

extractBasis( xAxis, yAxis, zAxis ) {

xAxis.setFromMatrix3Column( this, 0 );
		yAxis.setFromMatrix3Column( this, 1 );
		zAxis.setFromMatrix3Column( this, 2 );

return this;

}

setFromMatrix4( m ) {

const me = m.elements;

this.set(

me[ 0 ], me[ 4 ], me[ 8 ],
			me[ 1 ], me[ 5 ], me[ 9 ],
			me[ 2 ], me[ 6 ], me[ 10 ]

);

return this;

}

multiply( m ) {

return this.multiplyMatrices( this, m );

}

premultiply( m ) {

return this.multiplyMatrices( m, this );

}

multiplyMatrices( a, b ) {

const ae = a.elements;
		const be = b.elements;
		const te = this.elements;

const a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];
		const a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];
		const a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];

const b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];
		const b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];
		const b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];

te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;
		te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;
		te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;

te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;
		te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;
		te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;

te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;
		te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;
		te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;

return this;

}

multiplyScalar( s ) {

const te = this.elements;

te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;
		te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;
		te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;

return this;

}

determinant() {

const te = this.elements;

const a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],
			d = te[ 3 ], e = te[ 4 ], f = te[ 5 ],
			g = te[ 6 ], h = te[ 7 ], i = te[ 8 ];

return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;

}

invert() {

const te = this.elements,

n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],
			n12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],
			n13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],

t11 = n33 * n22 - n32 * n23,
			t12 = n32 * n13 - n33 * n12,
			t13 = n23 * n12 - n22 * n13,

det = n11 * t11 + n21 * t12 + n31 * t13;

if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );

const detInv = 1 / det;

te[ 0 ] = t11 * detInv;
		te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;
		te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;

te[ 3 ] = t12 * detInv;
		te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;
		te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;

te[ 6 ] = t13 * detInv;
		te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;
		te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;

return this;

}

transpose() {

let tmp;
		const m = this.elements;

tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;
		tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;
		tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;

return this;

}

getNormalMatrix( matrix4 ) {

return this.setFromMatrix4( matrix4 ).invert().transpose();

}

transposeIntoArray( r ) {

const m = this.elements;

r[ 0 ] = m[ 0 ];
		r[ 1 ] = m[ 3 ];
		r[ 2 ] = m[ 6 ];
		r[ 3 ] = m[ 1 ];
		r[ 4 ] = m[ 4 ];
		r[ 5 ] = m[ 7 ];
		r[ 6 ] = m[ 2 ];
		r[ 7 ] = m[ 5 ];
		r[ 8 ] = m[ 8 ];

return this;

}

setUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {

const c = Math.cos( rotation );
		const s = Math.sin( rotation );

this.set(
			sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,
			- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,
			0, 0, 1
		);

return this;

}

scale( sx, sy ) {

this.premultiply( _m3.makeScale( sx, sy ) );

return this;

}

rotate( theta ) {

this.premultiply( _m3.makeRotation( - theta ) );

return this;

}

translate( tx, ty ) {

this.premultiply( _m3.makeTranslation( tx, ty ) );

return this;

}

// for 2D Transforms

makeTranslation( x, y ) {

if ( x.isVector2 ) {

this.set(

1, 0, x.x,
				0, 1, x.y,
				0, 0, 1

);

} else {

this.set(

1, 0, x,
				0, 1, y,
				0, 0, 1

);

}

return this;

}

makeRotation( theta ) {

// counterclockwise

const c = Math.cos( theta );
		const s = Math.sin( theta );

this.set(

c, - s, 0,
			s, c, 0,
			0, 0, 1

);

return this;

}

makeScale( x, y ) {

this.set(

x, 0, 0,
			0, y, 0,
			0, 0, 1

);

return this;

}

equals( matrix ) {

const te = this.elements;
		const me = matrix.elements;

for ( let i = 0; i < 9; i ++ ) {

if ( te[ i ] !== me[ i ] ) return false;

}

return true;

}

fromArray( array, offset = 0 ) {

for ( let i = 0; i < 9; i ++ ) {

this.elements[ i ] = array[ i + offset ];

}

return this;

}

toArray( array = [], offset = 0 ) {

const te = this.elements;

array[ offset ] = te[ 0 ];
		array[ offset + 1 ] = te[ 1 ];
		array[ offset + 2 ] = te[ 2 ];

array[ offset + 3 ] = te[ 3 ];
		array[ offset + 4 ] = te[ 4 ];
		array[ offset + 5 ] = te[ 5 ];

array[ offset + 6 ] = te[ 6 ];
		array[ offset + 7 ] = te[ 7 ];
		array[ offset + 8 ] = te[ 8 ];

return array;

}

clone() {

return new this.constructor().fromArray( this.elements );

}

const _m3 = /*@__PURE__*/ new Matrix3();

export { Matrix3 };

${this.title}

Code Editor : Matrix3.js