Rekod3DBuildings.Engine.prototype.setSnowParticles = function() {
    var map = THREE.ImageUtils.loadTexture( 'images/textures/snowflake.png' );

    var attributes = {
        size:        { type: 'f', value: [] },
        customColor: { type: 'c', value: [] },
        time:        { type: 'f', value: [] },
    };

    this.snowUniforms = {
        color:      { type: "c", value: new THREE.Color( 0x777777 ) },
        texture:    { type: "t", value: 0, texture: map },
        globalTime: { type: "f", value: 0.0 },
    };

    var shaderMaterial = new THREE.ShaderMaterial( {
        uniforms:       this.snowUniforms,
        attributes:     attributes,
        vertexShader:   document.getElementById( 'fragmentshader-airplane' ).textContent,
        fragmentShader: document.getElementById( 'vertexshader-airplane' ).textContent,
        blending:       THREE.AdditiveBlending,
        depthTest:      false,
        transparent:    true,
    });

    var geometry = new THREE.Geometry();

    for ( var i = 0; i < 10000; i++ )
        geometry.vertices.push( new THREE.Vector3( Math.random() * 18000 - 1500, -5000, Math.random() * 18000 ) );

    var particles = new THREE.PointCloud( geometry, shaderMaterial );
    particles.position.x = -5000;
    particles.position.y = 5000;
    particles.position.z = -5000;

    var vertices = particles.geometry.vertices;
    var values_size = attributes.size.value;
    var values_color = attributes.customColor.value;
    var values_time = attributes.time.value;

    for( var v = 0; v < vertices.length; v++ ) {
        values_size[ v ] = 50 + Math.random() * 80;
        values_color[ v ] = new THREE.Color( 0xffffff );
        values_time[ v ] = Math.random();
    }

    this.scene.add( particles );
};