agentscript
Version:
AgentScript Model in Model/View architecture
1,715 lines (1,707 loc) • 70.1 kB
JavaScript
const _lut = [];
for ( let i = 0; i < 256; i ++ ) {
_lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 );
}
let _seed = 1234567;
const MathUtils = {
DEG2RAD: Math.PI / 180,
RAD2DEG: 180 / Math.PI,
generateUUID: function () {
const d0 = Math.random() * 0xffffffff | 0;
const d1 = Math.random() * 0xffffffff | 0;
const d2 = Math.random() * 0xffffffff | 0;
const d3 = Math.random() * 0xffffffff | 0;
const uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +
_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +
_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +
_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];
return uuid.toUpperCase();
},
clamp: function ( value, min, max ) {
return Math.max( min, Math.min( max, value ) );
},
euclideanModulo: function ( n, m ) {
return ( ( n % m ) + m ) % m;
},
mapLinear: function ( x, a1, a2, b1, b2 ) {
return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );
},
lerp: function ( x, y, t ) {
return ( 1 - t ) * x + t * y;
},
smoothstep: function ( x, min, max ) {
if ( x <= min ) return 0;
if ( x >= max ) return 1;
x = ( x - min ) / ( max - min );
return x * x * ( 3 - 2 * x );
},
smootherstep: function ( x, min, max ) {
if ( x <= min ) return 0;
if ( x >= max ) return 1;
x = ( x - min ) / ( max - min );
return x * x * x * ( x * ( x * 6 - 15 ) + 10 );
},
randInt: function ( low, high ) {
return low + Math.floor( Math.random() * ( high - low + 1 ) );
},
randFloat: function ( low, high ) {
return low + Math.random() * ( high - low );
},
randFloatSpread: function ( range ) {
return range * ( 0.5 - Math.random() );
},
seededRandom: function ( s ) {
if ( s !== undefined ) _seed = s % 2147483647;
_seed = _seed * 16807 % 2147483647;
return ( _seed - 1 ) / 2147483646;
},
degToRad: function ( degrees ) {
return degrees * MathUtils.DEG2RAD;
},
radToDeg: function ( radians ) {
return radians * MathUtils.RAD2DEG;
},
isPowerOfTwo: function ( value ) {
return ( value & ( value - 1 ) ) === 0 && value !== 0;
},
ceilPowerOfTwo: function ( value ) {
return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );
},
floorPowerOfTwo: function ( value ) {
return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );
},
setQuaternionFromProperEuler: function ( q, a, b, c, order ) {
const cos = Math.cos;
const sin = Math.sin;
const c2 = cos( b / 2 );
const s2 = sin( b / 2 );
const c13 = cos( ( a + c ) / 2 );
const s13 = sin( ( a + c ) / 2 );
const c1_3 = cos( ( a - c ) / 2 );
const s1_3 = sin( ( a - c ) / 2 );
const c3_1 = cos( ( c - a ) / 2 );
const s3_1 = sin( ( c - a ) / 2 );
switch ( order ) {
case 'XYX':
q.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );
break;
case 'YZY':
q.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );
break;
case 'ZXZ':
q.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );
break;
case 'XZX':
q.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );
break;
case 'YXY':
q.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );
break;
case 'ZYZ':
q.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );
break;
default:
console.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );
}
}
};
class Quaternion {
constructor( x = 0, y = 0, z = 0, w = 1 ) {
Object.defineProperty( this, 'isQuaternion', { value: true } );
this._x = x;
this._y = y;
this._z = z;
this._w = w;
}
static slerp( qa, qb, qm, t ) {
return qm.copy( qa ).slerp( qb, t );
}
static slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {
let x0 = src0[ srcOffset0 + 0 ],
y0 = src0[ srcOffset0 + 1 ],
z0 = src0[ srcOffset0 + 2 ],
w0 = src0[ srcOffset0 + 3 ];
const x1 = src1[ srcOffset1 + 0 ],
y1 = src1[ srcOffset1 + 1 ],
z1 = src1[ srcOffset1 + 2 ],
w1 = src1[ srcOffset1 + 3 ];
if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {
let s = 1 - t;
const cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,
dir = ( cos >= 0 ? 1 : - 1 ),
sqrSin = 1 - cos * cos;
if ( sqrSin > Number.EPSILON ) {
const sin = Math.sqrt( sqrSin ),
len = Math.atan2( sin, cos * dir );
s = Math.sin( s * len ) / sin;
t = Math.sin( t * len ) / sin;
}
const tDir = t * dir;
x0 = x0 * s + x1 * tDir;
y0 = y0 * s + y1 * tDir;
z0 = z0 * s + z1 * tDir;
w0 = w0 * s + w1 * tDir;
if ( s === 1 - t ) {
const f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );
x0 *= f;
y0 *= f;
z0 *= f;
w0 *= f;
}
}
dst[ dstOffset ] = x0;
dst[ dstOffset + 1 ] = y0;
dst[ dstOffset + 2 ] = z0;
dst[ dstOffset + 3 ] = w0;
}
static multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {
const x0 = src0[ srcOffset0 ];
const y0 = src0[ srcOffset0 + 1 ];
const z0 = src0[ srcOffset0 + 2 ];
const w0 = src0[ srcOffset0 + 3 ];
const x1 = src1[ srcOffset1 ];
const y1 = src1[ srcOffset1 + 1 ];
const z1 = src1[ srcOffset1 + 2 ];
const w1 = src1[ srcOffset1 + 3 ];
dst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;
dst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;
dst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;
dst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;
return dst;
}
get x() {
return this._x;
}
set x( value ) {
this._x = value;
this._onChangeCallback();
}
get y() {
return this._y;
}
set y( value ) {
this._y = value;
this._onChangeCallback();
}
get z() {
return this._z;
}
set z( value ) {
this._z = value;
this._onChangeCallback();
}
get w() {
return this._w;
}
set w( value ) {
this._w = value;
this._onChangeCallback();
}
set( x, y, z, w ) {
this._x = x;
this._y = y;
this._z = z;
this._w = w;
this._onChangeCallback();
return this;
}
clone() {
return new this.constructor( this._x, this._y, this._z, this._w );
}
copy( quaternion ) {
this._x = quaternion.x;
this._y = quaternion.y;
this._z = quaternion.z;
this._w = quaternion.w;
this._onChangeCallback();
return this;
}
setFromEuler( euler, update ) {
if ( ! ( euler && euler.isEuler ) ) {
throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );
}
const x = euler._x, y = euler._y, z = euler._z, order = euler._order;
const cos = Math.cos;
const sin = Math.sin;
const c1 = cos( x / 2 );
const c2 = cos( y / 2 );
const c3 = cos( z / 2 );
const s1 = sin( x / 2 );
const s2 = sin( y / 2 );
const s3 = sin( z / 2 );
switch ( order ) {
case 'XYZ':
this._x = s1 * c2 * c3 + c1 * s2 * s3;
this._y = c1 * s2 * c3 - s1 * c2 * s3;
this._z = c1 * c2 * s3 + s1 * s2 * c3;
this._w = c1 * c2 * c3 - s1 * s2 * s3;
break;
case 'YXZ':
this._x = s1 * c2 * c3 + c1 * s2 * s3;
this._y = c1 * s2 * c3 - s1 * c2 * s3;
this._z = c1 * c2 * s3 - s1 * s2 * c3;
this._w = c1 * c2 * c3 + s1 * s2 * s3;
break;
case 'ZXY':
this._x = s1 * c2 * c3 - c1 * s2 * s3;
this._y = c1 * s2 * c3 + s1 * c2 * s3;
this._z = c1 * c2 * s3 + s1 * s2 * c3;
this._w = c1 * c2 * c3 - s1 * s2 * s3;
break;
case 'ZYX':
this._x = s1 * c2 * c3 - c1 * s2 * s3;
this._y = c1 * s2 * c3 + s1 * c2 * s3;
this._z = c1 * c2 * s3 - s1 * s2 * c3;
this._w = c1 * c2 * c3 + s1 * s2 * s3;
break;
case 'YZX':
this._x = s1 * c2 * c3 + c1 * s2 * s3;
this._y = c1 * s2 * c3 + s1 * c2 * s3;
this._z = c1 * c2 * s3 - s1 * s2 * c3;
this._w = c1 * c2 * c3 - s1 * s2 * s3;
break;
case 'XZY':
this._x = s1 * c2 * c3 - c1 * s2 * s3;
this._y = c1 * s2 * c3 - s1 * c2 * s3;
this._z = c1 * c2 * s3 + s1 * s2 * c3;
this._w = c1 * c2 * c3 + s1 * s2 * s3;
break;
default:
console.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );
}
if ( update !== false ) this._onChangeCallback();
return this;
}
setFromAxisAngle( axis, angle ) {
const halfAngle = angle / 2, s = Math.sin( halfAngle );
this._x = axis.x * s;
this._y = axis.y * s;
this._z = axis.z * s;
this._w = Math.cos( halfAngle );
this._onChangeCallback();
return this;
}
setFromRotationMatrix( m ) {
const te = m.elements,
m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],
m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],
m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],
trace = m11 + m22 + m33;
if ( trace > 0 ) {
const s = 0.5 / Math.sqrt( trace + 1.0 );
this._w = 0.25 / s;
this._x = ( m32 - m23 ) * s;
this._y = ( m13 - m31 ) * s;
this._z = ( m21 - m12 ) * s;
} else if ( m11 > m22 && m11 > m33 ) {
const s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );
this._w = ( m32 - m23 ) / s;
this._x = 0.25 * s;
this._y = ( m12 + m21 ) / s;
this._z = ( m13 + m31 ) / s;
} else if ( m22 > m33 ) {
const s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );
this._w = ( m13 - m31 ) / s;
this._x = ( m12 + m21 ) / s;
this._y = 0.25 * s;
this._z = ( m23 + m32 ) / s;
} else {
const s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );
this._w = ( m21 - m12 ) / s;
this._x = ( m13 + m31 ) / s;
this._y = ( m23 + m32 ) / s;
this._z = 0.25 * s;
}
this._onChangeCallback();
return this;
}
setFromUnitVectors( vFrom, vTo ) {
const EPS = 0.000001;
let r = vFrom.dot( vTo ) + 1;
if ( r < EPS ) {
r = 0;
if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {
this._x = - vFrom.y;
this._y = vFrom.x;
this._z = 0;
this._w = r;
} else {
this._x = 0;
this._y = - vFrom.z;
this._z = vFrom.y;
this._w = r;
}
} else {
this._x = vFrom.y * vTo.z - vFrom.z * vTo.y;
this._y = vFrom.z * vTo.x - vFrom.x * vTo.z;
this._z = vFrom.x * vTo.y - vFrom.y * vTo.x;
this._w = r;
}
return this.normalize();
}
angleTo( q ) {
return 2 * Math.acos( Math.abs( MathUtils.clamp( this.dot( q ), - 1, 1 ) ) );
}
rotateTowards( q, step ) {
const angle = this.angleTo( q );
if ( angle === 0 ) return this;
const t = Math.min( 1, step / angle );
this.slerp( q, t );
return this;
}
identity() {
return this.set( 0, 0, 0, 1 );
}
inverse() {
return this.conjugate();
}
conjugate() {
this._x *= - 1;
this._y *= - 1;
this._z *= - 1;
this._onChangeCallback();
return this;
}
dot( v ) {
return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;
}
lengthSq() {
return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;
}
length() {
return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );
}
normalize() {
let l = this.length();
if ( l === 0 ) {
this._x = 0;
this._y = 0;
this._z = 0;
this._w = 1;
} else {
l = 1 / l;
this._x = this._x * l;
this._y = this._y * l;
this._z = this._z * l;
this._w = this._w * l;
}
this._onChangeCallback();
return this;
}
multiply( q, p ) {
if ( p !== undefined ) {
console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );
return this.multiplyQuaternions( q, p );
}
return this.multiplyQuaternions( this, q );
}
premultiply( q ) {
return this.multiplyQuaternions( q, this );
}
multiplyQuaternions( a, b ) {
const qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;
const qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;
this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
this._onChangeCallback();
return this;
}
slerp( qb, t ) {
if ( t === 0 ) return this;
if ( t === 1 ) return this.copy( qb );
const x = this._x, y = this._y, z = this._z, w = this._w;
let cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;
if ( cosHalfTheta < 0 ) {
this._w = - qb._w;
this._x = - qb._x;
this._y = - qb._y;
this._z = - qb._z;
cosHalfTheta = - cosHalfTheta;
} else {
this.copy( qb );
}
if ( cosHalfTheta >= 1.0 ) {
this._w = w;
this._x = x;
this._y = y;
this._z = z;
return this;
}
const sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;
if ( sqrSinHalfTheta <= Number.EPSILON ) {
const s = 1 - t;
this._w = s * w + t * this._w;
this._x = s * x + t * this._x;
this._y = s * y + t * this._y;
this._z = s * z + t * this._z;
this.normalize();
this._onChangeCallback();
return this;
}
const sinHalfTheta = Math.sqrt( sqrSinHalfTheta );
const halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );
const ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,
ratioB = Math.sin( t * halfTheta ) / sinHalfTheta;
this._w = ( w * ratioA + this._w * ratioB );
this._x = ( x * ratioA + this._x * ratioB );
this._y = ( y * ratioA + this._y * ratioB );
this._z = ( z * ratioA + this._z * ratioB );
this._onChangeCallback();
return this;
}
equals( quaternion ) {
return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );
}
fromArray( array, offset ) {
if ( offset === undefined ) offset = 0;
this._x = array[ offset ];
this._y = array[ offset + 1 ];
this._z = array[ offset + 2 ];
this._w = array[ offset + 3 ];
this._onChangeCallback();
return this;
}
toArray( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this._x;
array[ offset + 1 ] = this._y;
array[ offset + 2 ] = this._z;
array[ offset + 3 ] = this._w;
return array;
}
fromBufferAttribute( attribute, index ) {
this._x = attribute.getX( index );
this._y = attribute.getY( index );
this._z = attribute.getZ( index );
this._w = attribute.getW( index );
return this;
}
_onChange( callback ) {
this._onChangeCallback = callback;
return this;
}
_onChangeCallback() {}
}
class Vector3 {
constructor( x = 0, y = 0, z = 0 ) {
Object.defineProperty( this, 'isVector3', { value: true } );
this.x = x;
this.y = y;
this.z = z;
}
set( x, y, z ) {
if ( z === undefined ) z = this.z;
this.x = x;
this.y = y;
this.z = z;
return this;
}
setScalar( scalar ) {
this.x = scalar;
this.y = scalar;
this.z = scalar;
return this;
}
setX( x ) {
this.x = x;
return this;
}
setY( y ) {
this.y = y;
return this;
}
setZ( z ) {
this.z = z;
return this;
}
setComponent( index, value ) {
switch ( index ) {
case 0: this.x = value; break;
case 1: this.y = value; break;
case 2: this.z = value; break;
default: throw new Error( 'index is out of range: ' + index );
}
return this;
}
getComponent( index ) {
switch ( index ) {
case 0: return this.x;
case 1: return this.y;
case 2: return this.z;
default: throw new Error( 'index is out of range: ' + index );
}
}
clone() {
return new this.constructor( this.x, this.y, this.z );
}
copy( v ) {
this.x = v.x;
this.y = v.y;
this.z = v.z;
return this;
}
add( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
return this.addVectors( v, w );
}
this.x += v.x;
this.y += v.y;
this.z += v.z;
return this;
}
addScalar( s ) {
this.x += s;
this.y += s;
this.z += s;
return this;
}
addVectors( a, b ) {
this.x = a.x + b.x;
this.y = a.y + b.y;
this.z = a.z + b.z;
return this;
}
addScaledVector( v, s ) {
this.x += v.x * s;
this.y += v.y * s;
this.z += v.z * s;
return this;
}
sub( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
return this.subVectors( v, w );
}
this.x -= v.x;
this.y -= v.y;
this.z -= v.z;
return this;
}
subScalar( s ) {
this.x -= s;
this.y -= s;
this.z -= s;
return this;
}
subVectors( a, b ) {
this.x = a.x - b.x;
this.y = a.y - b.y;
this.z = a.z - b.z;
return this;
}
multiply( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );
return this.multiplyVectors( v, w );
}
this.x *= v.x;
this.y *= v.y;
this.z *= v.z;
return this;
}
multiplyScalar( scalar ) {
this.x *= scalar;
this.y *= scalar;
this.z *= scalar;
return this;
}
multiplyVectors( a, b ) {
this.x = a.x * b.x;
this.y = a.y * b.y;
this.z = a.z * b.z;
return this;
}
applyEuler( euler ) {
if ( ! ( euler && euler.isEuler ) ) {
console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );
}
return this.applyQuaternion( _quaternion$2.setFromEuler( euler ) );
}
applyAxisAngle( axis, angle ) {
return this.applyQuaternion( _quaternion$2.setFromAxisAngle( axis, angle ) );
}
applyMatrix3( m ) {
const x = this.x, y = this.y, z = this.z;
const e = m.elements;
this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;
this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;
this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;
return this;
}
applyNormalMatrix( m ) {
return this.applyMatrix3( m ).normalize();
}
applyMatrix4( m ) {
const x = this.x, y = this.y, z = this.z;
const e = m.elements;
const w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );
this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;
this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;
this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;
return this;
}
applyQuaternion( q ) {
const x = this.x, y = this.y, z = this.z;
const qx = q.x, qy = q.y, qz = q.z, qw = q.w;
const ix = qw * x + qy * z - qz * y;
const iy = qw * y + qz * x - qx * z;
const iz = qw * z + qx * y - qy * x;
const iw = - qx * x - qy * y - qz * z;
this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;
this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;
this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;
return this;
}
project( camera ) {
return this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );
}
unproject( camera ) {
return this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );
}
transformDirection( m ) {
const x = this.x, y = this.y, z = this.z;
const e = m.elements;
this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;
this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;
this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;
return this.normalize();
}
divide( v ) {
this.x /= v.x;
this.y /= v.y;
this.z /= v.z;
return this;
}
divideScalar( scalar ) {
return this.multiplyScalar( 1 / scalar );
}
min( v ) {
this.x = Math.min( this.x, v.x );
this.y = Math.min( this.y, v.y );
this.z = Math.min( this.z, v.z );
return this;
}
max( v ) {
this.x = Math.max( this.x, v.x );
this.y = Math.max( this.y, v.y );
this.z = Math.max( this.z, v.z );
return this;
}
clamp( min, max ) {
this.x = Math.max( min.x, Math.min( max.x, this.x ) );
this.y = Math.max( min.y, Math.min( max.y, this.y ) );
this.z = Math.max( min.z, Math.min( max.z, this.z ) );
return this;
}
clampScalar( minVal, maxVal ) {
this.x = Math.max( minVal, Math.min( maxVal, this.x ) );
this.y = Math.max( minVal, Math.min( maxVal, this.y ) );
this.z = Math.max( minVal, Math.min( maxVal, this.z ) );
return this;
}
clampLength( min, max ) {
const length = this.length();
return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );
}
floor() {
this.x = Math.floor( this.x );
this.y = Math.floor( this.y );
this.z = Math.floor( this.z );
return this;
}
ceil() {
this.x = Math.ceil( this.x );
this.y = Math.ceil( this.y );
this.z = Math.ceil( this.z );
return this;
}
round() {
this.x = Math.round( this.x );
this.y = Math.round( this.y );
this.z = Math.round( this.z );
return this;
}
roundToZero() {
this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );
return this;
}
negate() {
this.x = - this.x;
this.y = - this.y;
this.z = - this.z;
return this;
}
dot( v ) {
return this.x * v.x + this.y * v.y + this.z * v.z;
}
lengthSq() {
return this.x * this.x + this.y * this.y + this.z * this.z;
}
length() {
return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
}
manhattanLength() {
return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
}
normalize() {
return this.divideScalar( this.length() || 1 );
}
setLength( length ) {
return this.normalize().multiplyScalar( length );
}
lerp( v, alpha ) {
this.x += ( v.x - this.x ) * alpha;
this.y += ( v.y - this.y ) * alpha;
this.z += ( v.z - this.z ) * alpha;
return this;
}
lerpVectors( v1, v2, alpha ) {
this.x = v1.x + ( v2.x - v1.x ) * alpha;
this.y = v1.y + ( v2.y - v1.y ) * alpha;
this.z = v1.z + ( v2.z - v1.z ) * alpha;
return this;
}
cross( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );
return this.crossVectors( v, w );
}
return this.crossVectors( this, v );
}
crossVectors( a, b ) {
const ax = a.x, ay = a.y, az = a.z;
const bx = b.x, by = b.y, bz = b.z;
this.x = ay * bz - az * by;
this.y = az * bx - ax * bz;
this.z = ax * by - ay * bx;
return this;
}
projectOnVector( v ) {
const denominator = v.lengthSq();
if ( denominator === 0 ) return this.set( 0, 0, 0 );
const scalar = v.dot( this ) / denominator;
return this.copy( v ).multiplyScalar( scalar );
}
projectOnPlane( planeNormal ) {
_vector.copy( this ).projectOnVector( planeNormal );
return this.sub( _vector );
}
reflect( normal ) {
return this.sub( _vector.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );
}
angleTo( v ) {
const denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );
if ( denominator === 0 ) return Math.PI / 2;
const theta = this.dot( v ) / denominator;
return Math.acos( MathUtils.clamp( theta, - 1, 1 ) );
}
distanceTo( v ) {
return Math.sqrt( this.distanceToSquared( v ) );
}
distanceToSquared( v ) {
const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;
return dx * dx + dy * dy + dz * dz;
}
manhattanDistanceTo( v ) {
return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );
}
setFromSpherical( s ) {
return this.setFromSphericalCoords( s.radius, s.phi, s.theta );
}
setFromSphericalCoords( radius, phi, theta ) {
const sinPhiRadius = Math.sin( phi ) * radius;
this.x = sinPhiRadius * Math.sin( theta );
this.y = Math.cos( phi ) * radius;
this.z = sinPhiRadius * Math.cos( theta );
return this;
}
setFromCylindrical( c ) {
return this.setFromCylindricalCoords( c.radius, c.theta, c.y );
}
setFromCylindricalCoords( radius, theta, y ) {
this.x = radius * Math.sin( theta );
this.y = y;
this.z = radius * Math.cos( theta );
return this;
}
setFromMatrixPosition( m ) {
const e = m.elements;
this.x = e[ 12 ];
this.y = e[ 13 ];
this.z = e[ 14 ];
return this;
}
setFromMatrixScale( m ) {
const sx = this.setFromMatrixColumn( m, 0 ).length();
const sy = this.setFromMatrixColumn( m, 1 ).length();
const sz = this.setFromMatrixColumn( m, 2 ).length();
this.x = sx;
this.y = sy;
this.z = sz;
return this;
}
setFromMatrixColumn( m, index ) {
return this.fromArray( m.elements, index * 4 );
}
setFromMatrix3Column( m, index ) {
return this.fromArray( m.elements, index * 3 );
}
equals( v ) {
return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );
}
fromArray( array, offset ) {
if ( offset === undefined ) offset = 0;
this.x = array[ offset ];
this.y = array[ offset + 1 ];
this.z = array[ offset + 2 ];
return this;
}
toArray( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this.x;
array[ offset + 1 ] = this.y;
array[ offset + 2 ] = this.z;
return array;
}
fromBufferAttribute( attribute, index, offset ) {
if ( offset !== undefined ) {
console.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );
}
this.x = attribute.getX( index );
this.y = attribute.getY( index );
this.z = attribute.getZ( index );
return this;
}
random() {
this.x = Math.random();
this.y = Math.random();
this.z = Math.random();
return this;
}
}
const _vector = new Vector3();
const _quaternion$2 = new Quaternion();
class Matrix4 {
constructor() {
Object.defineProperty( this, 'isMatrix4', { value: true } );
this.elements = [
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
];
if ( arguments.length > 0 ) {
console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );
}
}
set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {
const te = this.elements;
te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;
te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;
te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;
te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;
return this;
}
identity() {
this.set(
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
);
return this;
}
clone() {
return new Matrix4().fromArray( this.elements );
}
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 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];
te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];
return this;
}
copyPosition( m ) {
const te = this.elements, me = m.elements;
te[ 12 ] = me[ 12 ];
te[ 13 ] = me[ 13 ];
te[ 14 ] = me[ 14 ];
return this;
}
extractBasis( xAxis, yAxis, zAxis ) {
xAxis.setFromMatrixColumn( this, 0 );
yAxis.setFromMatrixColumn( this, 1 );
zAxis.setFromMatrixColumn( this, 2 );
return this;
}
makeBasis( xAxis, yAxis, zAxis ) {
this.set(
xAxis.x, yAxis.x, zAxis.x, 0,
xAxis.y, yAxis.y, zAxis.y, 0,
xAxis.z, yAxis.z, zAxis.z, 0,
0, 0, 0, 1
);
return this;
}
extractRotation( m ) {
const te = this.elements;
const me = m.elements;
const scaleX = 1 / _v1$1.setFromMatrixColumn( m, 0 ).length();
const scaleY = 1 / _v1$1.setFromMatrixColumn( m, 1 ).length();
const scaleZ = 1 / _v1$1.setFromMatrixColumn( m, 2 ).length();
te[ 0 ] = me[ 0 ] * scaleX;
te[ 1 ] = me[ 1 ] * scaleX;
te[ 2 ] = me[ 2 ] * scaleX;
te[ 3 ] = 0;
te[ 4 ] = me[ 4 ] * scaleY;
te[ 5 ] = me[ 5 ] * scaleY;
te[ 6 ] = me[ 6 ] * scaleY;
te[ 7 ] = 0;
te[ 8 ] = me[ 8 ] * scaleZ;
te[ 9 ] = me[ 9 ] * scaleZ;
te[ 10 ] = me[ 10 ] * scaleZ;
te[ 11 ] = 0;
te[ 12 ] = 0;
te[ 13 ] = 0;
te[ 14 ] = 0;
te[ 15 ] = 1;
return this;
}
makeRotationFromEuler( euler ) {
if ( ! ( euler && euler.isEuler ) ) {
console.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );
}
const te = this.elements;
const x = euler.x, y = euler.y, z = euler.z;
const a = Math.cos( x ), b = Math.sin( x );
const c = Math.cos( y ), d = Math.sin( y );
const e = Math.cos( z ), f = Math.sin( z );
if ( euler.order === 'XYZ' ) {
const ae = a * e, af = a * f, be = b * e, bf = b * f;
te[ 0 ] = c * e;
te[ 4 ] = - c * f;
te[ 8 ] = d;
te[ 1 ] = af + be * d;
te[ 5 ] = ae - bf * d;
te[ 9 ] = - b * c;
te[ 2 ] = bf - ae * d;
te[ 6 ] = be + af * d;
te[ 10 ] = a * c;
} else if ( euler.order === 'YXZ' ) {
const ce = c * e, cf = c * f, de = d * e, df = d * f;
te[ 0 ] = ce + df * b;
te[ 4 ] = de * b - cf;
te[ 8 ] = a * d;
te[ 1 ] = a * f;
te[ 5 ] = a * e;
te[ 9 ] = - b;
te[ 2 ] = cf * b - de;
te[ 6 ] = df + ce * b;
te[ 10 ] = a * c;
} else if ( euler.order === 'ZXY' ) {
const ce = c * e, cf = c * f, de = d * e, df = d * f;
te[ 0 ] = ce - df * b;
te[ 4 ] = - a * f;
te[ 8 ] = de + cf * b;
te[ 1 ] = cf + de * b;
te[ 5 ] = a * e;
te[ 9 ] = df - ce * b;
te[ 2 ] = - a * d;
te[ 6 ] = b;
te[ 10 ] = a * c;
} else if ( euler.order === 'ZYX' ) {
const ae = a * e, af = a * f, be = b * e, bf = b * f;
te[ 0 ] = c * e;
te[ 4 ] = be * d - af;
te[ 8 ] = ae * d + bf;
te[ 1 ] = c * f;
te[ 5 ] = bf * d + ae;
te[ 9 ] = af * d - be;
te[ 2 ] = - d;
te[ 6 ] = b * c;
te[ 10 ] = a * c;
} else if ( euler.order === 'YZX' ) {
const ac = a * c, ad = a * d, bc = b * c, bd = b * d;
te[ 0 ] = c * e;
te[ 4 ] = bd - ac * f;
te[ 8 ] = bc * f + ad;
te[ 1 ] = f;
te[ 5 ] = a * e;
te[ 9 ] = - b * e;
te[ 2 ] = - d * e;
te[ 6 ] = ad * f + bc;
te[ 10 ] = ac - bd * f;
} else if ( euler.order === 'XZY' ) {
const ac = a * c, ad = a * d, bc = b * c, bd = b * d;
te[ 0 ] = c * e;
te[ 4 ] = - f;
te[ 8 ] = d * e;
te[ 1 ] = ac * f + bd;
te[ 5 ] = a * e;
te[ 9 ] = ad * f - bc;
te[ 2 ] = bc * f - ad;
te[ 6 ] = b * e;
te[ 10 ] = bd * f + ac;
}
te[ 3 ] = 0;
te[ 7 ] = 0;
te[ 11 ] = 0;
te[ 12 ] = 0;
te[ 13 ] = 0;
te[ 14 ] = 0;
te[ 15 ] = 1;
return this;
}
makeRotationFromQuaternion( q ) {
return this.compose( _zero, q, _one );
}
lookAt( eye, target, up ) {
const te = this.elements;
_z.subVectors( eye, target );
if ( _z.lengthSq() === 0 ) {
_z.z = 1;
}
_z.normalize();
_x.crossVectors( up, _z );
if ( _x.lengthSq() === 0 ) {
if ( Math.abs( up.z ) === 1 ) {
_z.x += 0.0001;
} else {
_z.z += 0.0001;
}
_z.normalize();
_x.crossVectors( up, _z );
}
_x.normalize();
_y.crossVectors( _z, _x );
te[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;
te[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;
te[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;
return this;
}
multiply( m, n ) {
if ( n !== undefined ) {
console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );
return this.multiplyMatrices( m, n );
}
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[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];
const a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];
const a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];
const a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];
const b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];
const b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];
const b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];
const b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];
te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;
te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;
te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;
te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;
te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;
te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;
te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;
te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;
te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;
te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;
te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;
te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;
te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;
te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;
te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;
te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;
return this;
}
multiplyScalar( s ) {
const te = this.elements;
te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;
te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;
te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;
te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;
return this;
}
determinant() {
const te = this.elements;
const n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];
const n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];
const n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];
const n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];
return (
n41 * (
+ n14 * n23 * n32
- n13 * n24 * n32
- n14 * n22 * n33
+ n12 * n24 * n33
+ n13 * n22 * n34
- n12 * n23 * n34
) +
n42 * (
+ n11 * n23 * n34
- n11 * n24 * n33
+ n14 * n21 * n33
- n13 * n21 * n34
+ n13 * n24 * n31
- n14 * n23 * n31
) +
n43 * (
+ n11 * n24 * n32
- n11 * n22 * n34
- n14 * n21 * n32
+ n12 * n21 * n34
+ n14 * n22 * n31
- n12 * n24 * n31
) +
n44 * (
- n13 * n22 * n31
- n11 * n23 * n32
+ n11 * n22 * n33
+ n13 * n21 * n32
- n12 * n21 * n33
+ n12 * n23 * n31
)
);
}
transpose() {
const te = this.elements;
let tmp;
tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;
tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;
tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;
tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;
tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;
tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;
return this;
}
setPosition( x, y, z ) {
const te = this.elements;
if ( x.isVector3 ) {
te[ 12 ] = x.x;
te[ 13 ] = x.y;
te[ 14 ] = x.z;
} else {
te[ 12 ] = x;
te[ 13 ] = y;
te[ 14 ] = z;
}
return this;
}
getInverse( m, throwOnDegenerate ) {
if ( throwOnDegenerate !== undefined ) {
console.warn( "THREE.Matrix4: .getInverse() can no longer be configured to throw on degenerate." );
}
const te = this.elements,
me = m.elements,
n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],
n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],
n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],
n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],
t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,
t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,
t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,
t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;
const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;
if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );
const detInv = 1 / det;
te[ 0 ] = t11 * detInv;
te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;
te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;
te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;
te[ 4 ] = t12 * detInv;
te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;
te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;
te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;
te[ 8 ] = t13 * detInv;
te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;
te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;
te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;
te[ 12 ] = t14 * detInv;
te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;
te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;
te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;
return this;
}
scale( v ) {
const te = this.elements;
const x = v.x, y = v.y, z = v.z;
te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;
te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;
te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;
te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;
return this;
}
getMaxScaleOnAxis() {
const te = this.elements;
const scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];
const scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];
const scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];
return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );
}
makeTranslation( x, y, z ) {
this.set(
1, 0, 0, x,
0, 1, 0, y,
0, 0, 1, z,
0, 0, 0, 1
);
return this;
}
makeRotationX( theta ) {
const c = Math.cos( theta ), s = Math.sin( theta );
this.set(
1, 0, 0, 0,
0, c, - s, 0,
0, s, c, 0,
0, 0, 0, 1
);
return this;
}
makeRotationY( theta ) {
const c = Math.cos( theta ), s = Math.sin( theta );
this.set(
c, 0, s, 0,
0, 1, 0, 0,
- s, 0, c, 0,
0, 0, 0, 1
);
return this;
}
makeRotationZ( theta ) {
const c = Math.cos( theta ), s = Math.sin( theta );
this.set(
c, - s, 0, 0,
s, c, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
);
return this;
}
makeRotationAxis( axis, angle ) {
const c = Math.cos( angle );
const s = Math.sin( angle );
const t = 1 - c;
const x = axis.x, y = axis.y, z = axis.z;
const tx = t * x, ty = t * y;
this.set(
tx * x + c, tx * y - s * z, tx * z + s * y, 0,
tx * y + s * z, ty * y + c, ty * z - s * x, 0,
tx * z - s * y, ty * z + s * x, t * z * z + c, 0,
0, 0, 0, 1
);
return this;
}
makeScale( x, y, z ) {
this.set(
x, 0, 0, 0,
0, y, 0, 0,
0, 0, z, 0,
0, 0, 0, 1
);
return this;
}
makeShear( x, y, z ) {
this.set(
1, y, z, 0,
x, 1, z, 0,
x, y, 1, 0,
0, 0, 0, 1
);
return this;
}
compose( position, quaternion, scale ) {
const te = this.elements;
const x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;
const x2 = x + x, y2 = y + y, z2 = z + z;
const xx = x * x2, xy = x * y2, xz = x * z2;
const yy = y * y2, yz = y * z2, zz = z * z2;
const wx = w * x2, wy = w * y2, wz = w * z2;
const sx = scale.x, sy = scale.y, sz = scale.z;
te[ 0 ] = ( 1 - ( yy + zz ) ) * sx;
te[ 1 ] = ( xy + wz ) * sx;
te[ 2 ] = ( xz - wy ) * sx;
te[ 3 ] = 0;
te[ 4 ] = ( xy - wz ) * sy;
te[ 5 ] = ( 1 - ( xx + zz ) ) * sy;
te[ 6 ] = ( yz + wx ) * sy;
te[ 7 ] = 0;
te[ 8 ] = ( xz + wy ) * sz;
te[ 9 ] = ( yz - wx ) * sz;
te[ 10 ] = ( 1 - ( xx + yy ) ) * sz;
te[ 11 ] = 0;
te[ 12 ] = position.x;
te[ 13 ] = position.y;
te[ 14 ] = position.z;
te[ 15 ] = 1;
return this;
}
decompose( position, quaternion, scale ) {
const te = this.elements;
let sx = _v1$1.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();
const sy = _v1$1.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();
const sz = _v1$1.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();
const det = this.determinant();
if ( det < 0 ) sx = - sx;
position.x = te[ 12 ];
position.y = te[ 13 ];
position.z = te[ 14 ];
_m1$1.copy( this );
const invSX = 1 / sx;
const invSY = 1 / sy;
const invSZ = 1 / sz;
_m1$1.elements[ 0 ] *= invSX;
_m1$1.elements[ 1 ] *= invSX;
_m1$1.elements[ 2 ] *= invSX;
_m1$1.elements[ 4 ] *= invSY;
_m1$1.elements[ 5 ] *= invSY;
_m1$1.elements[ 6 ] *= invSY;
_m1$1.elements[ 8 ] *= invSZ;
_m1$1.elements[ 9 ] *= invSZ;
_m1$1.elements[ 10 ] *= invSZ;
quaternion.setFromRotationMatrix( _m1$1 );
scale.x = sx;
scale.y = sy;
scale.z = sz;
return this;
}
makePerspective( left, right, top, bottom, near, far ) {
if ( far === undefined ) {
console.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );
}
const te = this.elements;
const x = 2 * near / ( right - left );
const y = 2 * near / ( top - bottom );
const a = ( right + left ) / ( right - left );
const b = ( top + bottom ) / ( top - bottom );
const c = - ( far + near ) / ( far - near );
const d = - 2 * far * near / ( far - near );
te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0;
te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0;
te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d;
te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0;
return this;
}
makeOrthographic( left, right, top, bottom, near, far ) {
const te = this.elements;
const w = 1.0 / ( right - left );
const h = 1.0 / ( top - bottom );
const p = 1.0 / ( far - near );
const x = ( right + left ) * w;
const y = ( top + bottom ) * h;
const z = ( far + near ) * p;
te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x;
te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y;
te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z;
te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1;
return this;
}
equals( matrix ) {
const te = this.elements;
const me = matrix.elements;
for ( let i = 0; i < 16; i ++ ) {
if ( te[ i ] !== me[ i ] ) return false;
}
return true;
}
fromArray( array, offset ) {
if ( offset === undefined ) offset = 0;
for ( let i = 0; i < 16; i ++ ) {
this.elements[ i ] = array[ i + offset ];
}
return this;
}
toArray( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) 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 ];
array[ offset + 9 ] = te[ 9 ];
array[ offset + 10 ] = te[ 10 ];
array[ offset + 11 ] = te[ 11 ];
array[ offset + 12 ] = te[ 12 ];
array[ offset + 13 ] = te[ 13 ];
array[ offset + 14 ] = te[ 14 ];
array[ offset + 15 ] = te[ 15 ];
return array;
}
}
const _v1$1 = new Vector3();
const _m1$1 = new Matrix4();
const _zero = new Vector3( 0, 0, 0 );
const _one = new Vector3( 1, 1, 1 );
const _x = new Vector3();
const _y = new Vector3();
const _z = new Vector3();
function EventDispatcher() {}
Object.assign( EventDispatcher.prototype, {
addEventListener: function ( type, listener ) {
if ( this._listeners === undefined ) this._listeners = {};
const listeners = this._listeners;
if ( listeners[ type ] === undefined ) {
listeners[ type ] = [];
}
if ( listeners[ type ].indexOf( listener ) === - 1 ) {
listeners[ type ].push( listener );
}
},
hasEventListener: function ( type, listener ) {
if ( this._listeners === undefined ) return false;
const listeners = this._listeners;
return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;
},
removeEventListener: function ( type, listener ) {
if ( this._listeners === undefined ) return;
const listeners = this._listeners;
const listenerArray = listeners[ type ];
if ( listenerArray !== undefined ) {
const index = listenerArray.indexOf( listener );
if ( index !== - 1 ) {
listenerArray.splice( index, 1 );
}
}
},
dispatchEvent: function ( event ) {
if ( this._listeners === undefined ) return;
const listeners = this._listeners;
const listenerArray = listeners[ event.type ];
if ( listenerArray !== undefined ) {
event.target = this;
const array = listenerArray.slice( 0 );
for ( let i = 0, l = array.length; i < l; i ++ ) {
array[ i ].call( this, event );
}
}
}
} );
class Euler {
constructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {
Object.defineProperty( this, 'isEuler', { value: true } );
this._x = x;
this._y = y;
this._z = z;
this._order = order;
}
get x() {
return this._x;
}
set x( value ) {
this._x = value;
this._onChangeCallback();
}
get y() {
return this._y;
}
set y( value ) {
this._y = value;
this._onChangeCallback();
}
get z() {
return this._z;
}
set z( value ) {
this._z = value;
this._onChangeCallback();
}
get order() {
return this._order;
}
set order( value ) {
this._order = value;
this._onChangeCallback();
}
set( x, y, z, order ) {
this._x = x;
this._y = y;
this._z = z;
this._order = order || this._order;
this._onChangeCallback();
return this;
}
clone() {
return new this.constructor( this._x, this._y, this._z, this._order );
}
copy( euler ) {
this._x = euler._x;
this._y = euler._y;
this._z = euler._z;
this._order = euler._order;
this._onChangeCallback();
return this;
}
setFromRotationMatrix( m, order, update ) {
const clamp = MathUtils.clamp;
const te = m.elements;
const m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];
const m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];
const m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];
order = order || this._order;
switch ( order ) {
case 'XYZ':
this._y = Math.asin( clamp( m13, - 1, 1 ) );
if ( Math.abs( m13 ) < 0.9999999 ) {
this._x = Math.atan2( - m23, m33 );
this._z = Math.atan2( - m12, m11 );
} else {
this._x = Math.atan2( m32, m22 );
this._z = 0;
}
break;
case 'YXZ':
this._x = Math.asin( - clamp( m23, - 1, 1 ) );
if ( Math.abs( m23 ) < 0.9999999 ) {
this._y = Math.atan2( m13, m33 );
this._z = Math.atan2( m21, m22 );
} else {
this._y = Math.atan2( - m31, m11 );
this._z = 0;
}
break;
case 'ZXY':
this._x = Math.asin( clamp( m32, - 1, 1 ) );
if ( Math.abs( m32 ) < 0.9999999 ) {
this._y = Math.atan2( - m31, m33 );
this._z = Math.atan2( - m12, m22 );
} else {
this._y = 0;
this._z = Math.atan2( m21, m11 );
}
break;
case 'ZYX':
this._y = Math.asin( - clamp( m31, - 1, 1 ) );
if ( Math.abs( m31 ) < 0.9999999 ) {
this._x = Math.atan2( m32, m33 );
this._z = Math.atan2( m21, m11 );
} else {
this._x = 0;
this._z = Math.atan2( - m12, m22 );
}
break;
case 'YZX':
this._z = Math.asin( clamp( m21, - 1, 1 ) );
if ( Math.abs( m21 ) < 0.9999999 ) {
this._x = Math.atan2( - m23, m22 );
this._y = Math.atan2( - m31, m11 );
} else {
this._x = 0;
this._y = Math.atan2( m13, m33 );
}
break;
case 'XZY':
this._z = Math.asin( - clamp( m12, - 1, 1 ) );
if ( Math.abs( m12 ) < 0.9999999 ) {
this._x = Math.atan2( m32, m22 );
this._y = Math.atan2( m13, m11 );
} else {
this._x = Math.atan2( - m23, m33 );
this._y = 0;
}
break;
default:
console.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );
}
this._order = order;
if ( update !== false ) this._onChangeCallback();
return this;
}
setFromQuaternion( q, order, update ) {
_matrix.makeRotationFromQuaternion( q );
return this.setFromRotationMatrix( _matrix, order, update );
}
setFromVector3( v, order ) {
return this.set( v.x, v.y, v.z, order || this._order );
}
reorder( newOrder ) {
_quaternion$1.setFromEuler( this );
return this.setFromQuaternion( _quaternion$1, newOrder );
}
equals( euler ) {
return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );
}
fromArray( array ) {
this._x = array[ 0 ];
this._y = array[ 1 ];
this._z = array[ 2 ];
if ( array[ 3 ] !== undefined ) this._order = array[ 3 ];
this._onChangeCallback();
return this;
}
toArray( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this._x;
array[ offset + 1 ] = this._y;
array[ offset + 2 ] = this._z;
array[ offset + 3 ] = this._order;
return array;
}
toVector3( optionalResult ) {
if ( optionalResult ) {
return optionalResult.set( this._x, this._y, this._z );
} else {
return new Vector3( this._x, this._y, this._z );
}
}
_onChange( callback ) {
this._onChangeCallback = callback;
return this;
}
_onChangeCallback() {}
}
Euler.DefaultOrder = 'XYZ';
Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];
const _matrix = new Matrix4();
const _quaternion$1 = new Quaternion();
class Layers {
constructor() {
this.mask = 1 | 0;
}
set( channel ) {
this.mask = 1 << channel | 0;
}
enable( channel ) {
this.mask |= 1 << channel | 0;
}
enableAll() {
this.mask = 0xffffffff | 0;
}
toggle( channel ) {
this.mask ^= 1 << channel | 0;
}
disable( channel ) {
this.mask &= ~ ( 1 << channel | 0 );
}
disableAll() {
this.mask = 0;
}
test( layers ) {
return ( this.mask & layers.mask ) !== 0;
}
}
class Matrix3 {
constructor() {
Object.defineProperty( this, 'isMatrix3', { value: true } );
this.elements = [
1, 0, 0,
0, 1, 0,