Doodle3D-Slicer/three.js-master/examples/js/wip/proxies/MultiVector3.js

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2015-06-12 15:58:26 +02:00
// Allows updating of multiple THREE.Vector3 objects with the same value
// Used for face.normal -> face.vertexNormal[] compatibility layer for FlatShading
THREE.MultiVector3 = function(links) {
this.links = links;
}
THREE.MultiVector3.prototype = Object.create( THREE.Vector3.prototype );
THREE.MultiVector3.prototype.constructor = THREE.MultiVector3;
THREE.MultiVector3.prototype.setAll = function(axis, value) {
for (var i = 0, l = this.links.length; i < l; i ++) {
this.links[i][axis] = value;
}
}
// Getters return value from the first linked vector
// Setters set the same value for all linked vectors
Object.defineProperties( THREE.MultiVector3.prototype, {
'x': {
get: function () { return (this.links[0] ? this.links[0].x : 0); },
set: function ( v ) { this.setAll('x', v); }
},
'y': {
get: function () { return (this.links[0] ? this.links[0].y : 0); },
set: function ( v ) { this.setAll('y', v); }
},
'z': {
get: function () { return (this.links[0] ? this.links[0].z : 0); },
set: function ( v ) { this.setAll('z', v); }
}
} );