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[READ-ONLY] Mirror of https://github.com/flo-bit/shapecraft. flo-bit.dev/shapecraft
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20 kB · 915 lines
JavaScript
at commit 049ef598
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class Matrix4 {
constructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {
Matrix4.prototype.isMatrix4 = true;
this.elements = [
1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
];
if ( n11 !== undefined ) {
this.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 );
}
}
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;
}
setFromMatrix3( m ) {
const me = m.elements;
this.set(
me[ 0 ], me[ 3 ], me[ 6 ], 0, me[ 1 ], me[ 4 ], me[ 7 ], 0, me[ 2 ], me[ 5 ], me[ 8 ], 0, 0, 0, 0, 1
);
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 ) {
// this method does not support reflection matrices
const te = this.elements; const me = m.elements;
const scaleX = 1 / _v1.setFromMatrixColumn( m, 0 ).length(); const scaleY = 1 / _v1.setFromMatrixColumn( m, 1 ).length(); const scaleZ = 1 / _v1.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 ) {
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;
}
// bottom row te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0;
// last column 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 ) {
// eye and target are in the same position
_z.z = 1;
}
_z.normalize(); _x.crossVectors( up, _z );
if ( _x.lengthSq() === 0 ) {
// up and z are parallel
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 ) {
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 ];
//TODO: make this more efficient //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )
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;
}
invert() {
// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm const te = this.elements,
n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ], n12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ], n13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ], n14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 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 ) {
if ( x.isVector3 ) {
this.set(
1, 0, 0, x.x, 0, 1, 0, x.y, 0, 0, 1, x.z, 0, 0, 0, 1
);
} else {
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 ) {
// Based on http://www.gamedev.net/reference/articles/article1199.asp
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( xy, xz, yx, yz, zx, zy ) {
this.set(
1, yx, zx, 0, xy, 1, zy, 0, xz, yz, 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.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); const sy = _v1.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); const sz = _v1.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();
// if determine is negative, we need to invert one scale const det = this.determinant(); if ( det < 0 ) sx = - sx;
position.x = te[ 12 ]; position.y = te[ 13 ]; position.z = te[ 14 ];
// scale the rotation part _m1.copy( this );
const invSX = 1 / sx; const invSY = 1 / sy; const invSZ = 1 / sz;
_m1.elements[ 0 ] *= invSX; _m1.elements[ 1 ] *= invSX; _m1.elements[ 2 ] *= invSX;
_m1.elements[ 4 ] *= invSY; _m1.elements[ 5 ] *= invSY; _m1.elements[ 6 ] *= invSY;
_m1.elements[ 8 ] *= invSZ; _m1.elements[ 9 ] *= invSZ; _m1.elements[ 10 ] *= invSZ;
quaternion.setFromRotationMatrix( _m1 );
scale.x = sx; scale.y = sy; scale.z = sz;
return this;
}
makePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {
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 );
let c, d;
if ( coordinateSystem === WebGLCoordinateSystem ) {
c = - ( far + near ) / ( far - near ); d = ( - 2 * far * near ) / ( far - near );
} else if ( coordinateSystem === WebGPUCoordinateSystem ) {
c = - far / ( far - near ); d = ( - far * near ) / ( far - near );
} else {
throw new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem );
}
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, coordinateSystem = WebGLCoordinateSystem ) {
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;
let z, zInv;
if ( coordinateSystem === WebGLCoordinateSystem ) {
z = ( far + near ) * p; zInv = - 2 * p;
} else if ( coordinateSystem === WebGPUCoordinateSystem ) {
z = near * p; zInv = - 1 * p;
} else {
throw new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem );
}
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 ] = zInv; 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 = 0 ) {
for ( let i = 0; i < 16; 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 ]; 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 = /*@__PURE__*/ new Vector3();const _m1 = /*@__PURE__*/ new Matrix4();const _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );const _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );const _x = /*@__PURE__*/ new Vector3();const _y = /*@__PURE__*/ new Vector3();const _z = /*@__PURE__*/ new Vector3();
export { Matrix4 };