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/**
* @author WestLangley / http://github.com/WestLangley
*
*/
THREE.LineGeometry = function () {
THREE.LineSegmentsGeometry.call( this );
this.type = 'LineGeometry';
};
THREE.LineGeometry.prototype = Object.assign( Object.create( THREE.LineSegmentsGeometry.prototype ), {
constructor: THREE.LineGeometry,
isLineGeometry: true,
setPositions: function ( array ) {
// converts [ x1, y1, z1, x2, y2, z2, ... ] to pairs format
var length = array.length - 3;
var points = new Float32Array( 2 * length );
for ( var i = 0; i < length; i += 3 ) {
points[ 2 * i ] = array[ i ];
points[ 2 * i + 1 ] = array[ i + 1 ];
points[ 2 * i + 2 ] = array[ i + 2 ];
points[ 2 * i + 3 ] = array[ i + 3 ];
points[ 2 * i + 4 ] = array[ i + 4 ];
points[ 2 * i + 5 ] = array[ i + 5 ];
}
THREE.LineSegmentsGeometry.prototype.setPositions.call( this, points );
return this;
},
setColors: function ( array ) {
// converts [ r1, g1, b1, r2, g2, b2, ... ] to pairs format
var length = array.length - 3;
var colors = new Float32Array( 2 * length );
for ( var i = 0; i < length; i += 3 ) {
colors[ 2 * i ] = array[ i ];
colors[ 2 * i + 1 ] = array[ i + 1 ];
colors[ 2 * i + 2 ] = array[ i + 2 ];
colors[ 2 * i + 3 ] = array[ i + 3 ];
colors[ 2 * i + 4 ] = array[ i + 4 ];
colors[ 2 * i + 5 ] = array[ i + 5 ];
}
THREE.LineSegmentsGeometry.prototype.setColors.call( this, colors );
return this;
},
fromLine: function ( line ) {
var geometry = line.geometry;
if ( geometry.isGeometry ) {
this.setPositions( geometry.vertices );
} else if ( geometry.isBufferGeometry ) {
this.setPositions( geometry.position.array ); // assumes non-indexed
}
// set colors, maybe
return this;
},
copy: function ( /* source */ ) {
// todo
return this;
}
} );