source: other-projects/playing-in-the-street/summer-2013/trunk/Playing-in-the-Street-WPF/Content/Web/mrdoob-three.js-4862f5f/src/extras/helpers/PointLightHelper.js@ 28897

/**
 * @author alteredq / http://alteredqualia.com/
 * @author mrdoob / http://mrdoob.com/
 */

THREE.PointLightHelper = function ( light, sphereSize ) {

    this.light = light;
    this.light.updateMatrixWorld();

    var geometry = new THREE.SphereGeometry( sphereSize, 4, 2 );
    var material = new THREE.MeshBasicMaterial( { wireframe: true, fog: false } );
    material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );

    THREE.Mesh.call( this, geometry, material );

    this.matrixWorld = this.light.matrixWorld;
    this.matrixAutoUpdate = false;

    /*
    var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );
    var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );

    this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );
    this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );

    var d = light.distance;

    if ( d === 0.0 ) {

        this.lightDistance.visible = false;

    } else {

        this.lightDistance.scale.set( d, d, d );

    }

    this.add( this.lightDistance );
    */

};

THREE.PointLightHelper.prototype = Object.create( THREE.Mesh.prototype );

THREE.PointLightHelper.prototype.dispose = function () {
    
    this.geometry.dispose();
    this.material.dispose();
};

THREE.PointLightHelper.prototype.update = function () {

    this.material.color.copy( this.light.color ).multiplyScalar( this.light.intensity );

    /*
    var d = this.light.distance;

    if ( d === 0.0 ) {

        this.lightDistance.visible = false;

    } else {

        this.lightDistance.visible = true;
        this.lightDistance.scale.set( d, d, d );

    }
    */

};