three
Version:
JavaScript 3D library
91 lines (49 loc) • 1.38 kB
JavaScript
/**
* @author benaadams / https://twitter.com/ben_a_adams
*/
THREE.InterleavedBuffer = function ( array, stride ) {
this.uuid = THREE.Math.generateUUID();
this.array = array;
this.stride = stride;
this.dynamic = false;
this.updateRange = { offset: 0, count: - 1 };
this.version = 0;
};
THREE.InterleavedBuffer.prototype = {
constructor: THREE.InterleavedBuffer,
get length () {
return this.array.length;
},
get count () {
return this.array.length / this.stride;
},
set needsUpdate( value ) {
if ( value === true ) this.version ++;
},
setDynamic: function ( value ) {
this.dynamic = value;
return this;
},
copy: function ( source ) {
this.array = new source.array.constructor( source.array );
this.stride = source.stride;
this.dynamic = source.dynamic;
return this;
},
copyAt: function ( index1, attribute, index2 ) {
index1 *= this.stride;
index2 *= attribute.stride;
for ( var i = 0, l = this.stride; i < l; i ++ ) {
this.array[ index1 + i ] = attribute.array[ index2 + i ];
}
return this;
},
set: function ( value, offset ) {
if ( offset === undefined ) offset = 0;
this.array.set( value, offset );
return this;
},
clone: function () {
return new this.constructor().copy( this );
}
};