package {

    import org.papervision3d.cameras.*;
    import org.papervision3d.events.InteractiveScene3DEvent;
    import org.papervision3d.materials.BitmapMaterial;
    import org.papervision3d.materials.utils.MaterialsList;
    import org.papervision3d.materials.ColorMaterial;
    import org.papervision3d.objects.primitives.*;
    import org.papervision3d.objects.special.*;
    import org.papervision3d.render.BasicRenderEngine;
    import org.papervision3d.scenes.Scene3D;
    import org.papervision3d.view.Viewport3D;
    import org.papervision3d.core.geom.renderables.*;
    import org.papervision3d.materials.special.*;
    import org.papervision3d.core.geom.*;
    import org.papervision3d.objects.*;
    import org.papervision3d.view.layer.BitmapEffectLayer;
    import org.papervision3d.view.layer.ViewportLayer;
    import org.papervision3d.view.layer.util.ViewportLayerSortMode;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.filters.*;

    public class TriangleField extends Sprite {


        private var viewport:Viewport3D;
        private var scene:Scene3D = new Scene3D();
        private var camera:FreeCamera3D = new FreeCamera3D();
        private var renderer:BasicRenderEngine;
        private var _triNum:uint = 0;
        private const material1:ColorMaterial = new ColorMaterial(0xccce00);
        private const material2:ColorMaterial = new ColorMaterial(0xabad00);
        private const material3:ColorMaterial = new ColorMaterial(0x848500);
        private const material4:ColorMaterial = new ColorMaterial(0x0BE5FF);
        private const material5:ColorMaterial = new ColorMaterial(0x08a8bb);
        private var matCount:uint = 80;

        public function TriangleField() {
            viewport = new Viewport3D(750, 550, false, false);
            addChild(viewport);
            renderer = new BasicRenderEngine();
            camera.z = 0;
            camera.zoom = 4;
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }
        public function onEnterFrame(e:Event):void {
            renderer.renderScene(scene, camera, viewport);
            camera.yaw(-2);
            //camera.pitch((240)*-0.002);
            //camera.x += speed*Math.sin(camera.rotationY*Math.PI/180);
        }
        public function init3D():void {
            material1.doubleSided = true;
            material2.doubleSided = true;
            material3.doubleSided = true;
            material4.doubleSided = true;
            material5.doubleSided = true;
            var sphere:Sphere = new Sphere(null, 20, 8, 10);
            var sphereFaces:Array = sphere.geometry.faces;
            for each (var sphereTriangle:Triangle3D in sphereFaces) {
                if(_triNum <= 100) {
                    var sphereTriangleVertices:Array = sphereTriangle.vertices;
                    var triangleVertices:Array = new Array();
                    for each (var sphereTriangleVertex3D:Vertex3D in sphereTriangleVertices) {
                        var vertex3D:Vertex3D = new Vertex3D(sphereTriangleVertex3D.x, sphereTriangleVertex3D.y, sphereTriangleVertex3D.z);
                        triangleVertices.push(vertex3D);
                    }
                    var triangle3D:Triangle3D = new Triangle3D(null, triangleVertices, material1, sphereTriangle.uv);
                    var triangleFaces:Array = [triangle3D];
                    //SIMPLE SETTINGS FOR MULTIPLE TRIANGLE COLORS
                    _triNum += 1;
                    if (_triNum <= 40) {
                        var triangleMesh3D:TriangleMesh3D = new TriangleMesh3D(material1, triangleVertices, triangleFaces, null);
                    } else if (_triNum <= 50) {
                        var triangleMesh3D:TriangleMesh3D = new TriangleMesh3D(material2, triangleVertices, triangleFaces, null);
                    } else if (_triNum <= 60) {
                        var triangleMesh3D:TriangleMesh3D = new TriangleMesh3D(material3, triangleVertices, triangleFaces, null);
                    } else if (_triNum <= 70) {
                        var triangleMesh3D:TriangleMesh3D = new TriangleMesh3D(material4, triangleVertices, triangleFaces, null);
                    } else {
                        var triangleMesh3D:TriangleMesh3D = new TriangleMesh3D(material5, triangleVertices, triangleFaces, null);
                    }
                    //SETTING END
                    triangle3D.instance = triangleMesh3D;
                    //TO RANDOMIZE THE POSITION OF EACH TRIANGLE
                    triangleMesh3D.x = Math.random() * 350 - 175;
                    triangleMesh3D.y = Math.random() * 350 - 175;
                    triangleMesh3D.z = Math.random() * 350 - 175;
                    //CUSTOM SETTING TO BLUR OUT TRIANGLE IF THEY APPEARED TOO FAR
                    if(triangleMesh3D.z > 100 || triangleMesh3D.z < -100) {
                        triangleMesh3D.createViewportLayer(viewport, false).filters = [new BlurFilter(8, 8, 4)];
                    }
                    triangleMesh3D.rotationY = Math.random() * 360 - (360 / 2);
                    triangleMesh3D.rotationX = Math.random() * 360 - (360 / 2);
                    scene.addChild(triangleMesh3D);
                }
            }
        }
    }
}