Forked from:: Kay's Running Man

Rotation Dice

addChildやrotationXなど2Dインスタンスで使い慣れたメソッドを用いて
3Dオブジェクトやカメラをコントロールする3Dエンジン
とりあえず真面目にマテリアルを貼ってみたTEST

forked:1
favorite:2
lines:295
license : MIT License
modified : 2011-06-07 03:49:11

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// forked from Kay's Running Man
// forked from Kay's Rotation Cubes #2-2
// forked from Kay's Rotation Cubes #2
// forked from Kay's Rotation Cubes
/*
 * addChildやrotationXなど2Dインスタンスで使い慣れたメソッドを用いて
 * 3Dオブジェクトやカメラをコントロールする3Dエンジン
 * とりあえず真面目にマテリアルを貼ってみた
 */
package {
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.utils.getTimer;
    import net.hires.debug.Stats;
    [ SWF (width = '465', height = '465', backgroundColor = '0xcc6666', frameRate = '60') ]
    public class Main extends Sprite {
        private var scene:Scene3D;
        private var canvas:Sprite;
        private var objects:Array = new Array();
        public function Main():void {
            addChild( new Stats() );
            canvas = new Sprite();
            canvas.x=stage.stageWidth/2;
            canvas.y=stage.stageHeight/2;
            addChild(canvas);
            scene = new Scene3D(canvas);
            for (var h:uint = 0; h < 3; h++) {
                for (var v:uint = 0; v < 3; v++) {
                    for (var d:uint = 0; d < 3; d++) {
                        var joint:Joint3D = new Joint3D();
                        joint.x = 150*h-150;
                        joint.y = 150*v-150;
                        joint.z = 150*d-150;
                        scene.addChild(joint);
                        var cube:Cube3D = new Cube3D(60,60,60);
                        cube.rotationX = Math.random()*360;
                        cube.rotationY = Math.random()*360;
                        cube.rotationZ = Math.random()*360;
                        cube.textureURL = 'http://assets.wonderfl.net/images/related_images/3/3b/3b09/3b09a86482a443328c0ecdaeb7da224206c18c54';
                        joint.addChild(cube);
                        objects.push(cube);
                    }
                }
            }
            scene.camera.fieldOfView = 90;
            addEventListener(Event.ENTER_FRAME,xRotation);
        }
        private function xRotation(e:Event):void {
            for each (var object:Object in objects) {
                object.rotationX+=3;
                object.rotationY+=2;
            }
            scene.camera.rotationX = -canvas.mouseY/5;
            scene.camera.rotationY = canvas.mouseX/5;
            scene.render();
        }
    }
}
import flash.display.Sprite;
import flash.geom.Point;
import flash.geom.Matrix3D;
import flash.geom.Vector3D;
import flash.geom.Utils3D;
import flash.geom.PerspectiveProjection;
import frocessing.color.ColorHSL;
class Scene3D extends Sprite {
    public var camera:Camera3D;
    public var position:Vector3D;
    public var canvas:Sprite;
    public var objects:Array;
    public var matrix3D:Matrix3D;
    public function Scene3D(sprite:Sprite):void {
        camera=new Camera3D();
        canvas=sprite;
        matrix3D = new Matrix3D();
    }
    public function render():void {
        objects = new Array();
        getAllChildren(this);
        canvas.graphics.clear();
        matrix3D = new Matrix3D();
        matrix3D.appendRotation(camera.rotationX, Vector3D.X_AXIS);
        matrix3D.appendRotation(camera.rotationY, Vector3D.Y_AXIS);
        matrix3D.appendRotation(camera.rotationZ, Vector3D.Z_AXIS);
        var cameraAngle:Vector3D = new Vector3D(camera.x,camera.y,camera.z+camera.proj.focalLength);
        cameraAngle = matrix3D.transformVector(cameraAngle);
        matrix3D.appendTranslation(cameraAngle.x, cameraAngle.y, cameraAngle.z);
        var viewPoint:Vector3D = new Vector3D(cameraAngle.x, cameraAngle.y, -cameraAngle.z);
        var lite3D:Vector3D = new Vector3D(-20,50,50);
        lite3D.normalize();
        var dispParts:Array = new Array();
        for each (var object:Object in objects) {
            object.matrix3D = new Matrix3D();
            object.matrix3D.appendRotation(object.rotationX,Vector3D.X_AXIS);
            object.matrix3D.appendRotation(object.rotationY,Vector3D.Y_AXIS);
            object.matrix3D.appendRotation(object.rotationZ,Vector3D.Z_AXIS);
            object.matrix3D.prependTranslation(object.x,object.y,object.z);
            object.matrix3D.append(object.parent.matrix3D);
            if (object.verts.length) {
                var realVerts3D:Vector.<Number> = new Vector.<Number>();
                object.matrix3D.transformVectors(object.verts, realVerts3D);
                object.uvtDatas = new Vector.<Number>();
                var numUvDatas:int = object.uvDatas.length/2;
                for (var u:int = 0; u < numUvDatas; u++) {
                    object.uvtDatas.push(object.uvDatas[u*2], object.uvDatas[u*2+1], 0);
                }
                object.projVerts2D = new Vector.<Number>();
                Utils3D.projectVectors(camera.matrix3D, realVerts3D, object.projVerts2D, object.uvtDatas);
                var numParts:int = object.indices.length/3;
                for (var i:uint = 0; i < numParts; i++) {
                    var part:Part = new Part(object);
                    part.indices.push(object.indices[i*3+0],object.indices[i*3+1],object.indices[i*3+2]);
                    part.verts = new Vector.<Number>();
                    var vectors:Array = new Array();
                    var nX:Number = 0;
                    var nY:Number = 0;
                    var nZ:Number = 0;
                    for (var j:uint = 0; j < 3; j++) {
                        var vector:Vector3D = new Vector3D(realVerts3D[part.indices[j]*3+0],
                                                           realVerts3D[part.indices[j]*3+1],
                                                           realVerts3D[part.indices[j]*3+2]);
                        vectors.push(vector);
                        nX += vector.x;
                        nY += vector.y;
                        nZ += vector.z;
                        part.verts.push(object.projVerts2D[part.indices[j]*2+0]);
                        part.verts.push(object.projVerts2D[part.indices[j]*2+1]);
                    }
                    part.z = nZ/3;
                    part.distance = Vector3D.distance(viewPoint, new Vector3D(nX/3,nY/3,nZ/3));
                    var vA:Vector3D = vectors[0].subtract(vectors[1]);
                    var vB:Vector3D = vectors[0].subtract(vectors[2]);
                    part.normal = vA.crossProduct(vB);
                    part.normal.normalize();
                    var vV:Vector3D = vectors[0].subtract(new Vector3D(0,0,-camera.focalLength));
                    var dotProduct:Number = vV.dotProduct(part.normal);
                    if (dotProduct > 0) {
                        part.shadowRatio = lite3D.dotProduct(part.normal);
                        dispParts.push(part);
                    }
                }
            }
        }
        dispParts.sortOn(["z","distance"], [Array.NUMERIC|Array.DESCENDING,Array.NUMERIC|Array.DESCENDING]);
        var numDispParts:uint = dispParts.length;
        for (i = 0; i < numDispParts; i++) {
            var hsl:ColorHSL = dispParts[i].object.colorHSL.clone();
            var l:Number = hsl.l;
            hsl.l = l + dispParts[i].shadowRatio/10;
            var color:int = hsl.value;
            if (dispParts[i].object.texture != null) {
                canvas.graphics.beginBitmapFill(dispParts[i].object.texture);
                canvas.graphics.drawTriangles(dispParts[i].object.projVerts2D, dispParts[i].indices, dispParts[i].object.uvtDatas);
            } else {
                canvas.graphics.beginFill(color);
                canvas.graphics.drawTriangles(dispParts[i].object.projVerts2D, dispParts[i].indices);
            }
            canvas.graphics.endFill();
        }
    }
    public function getAllChildren(container:Object):void {
        var numChild:uint = container.numChildren;
        for (var i:uint = 0; i < numChild; i++) {
            var child:Object = container.getChildAt(i);
            objects.push(child);
            if (child.numChildren > 0) {
                getAllChildren(child);
            }
        }
    }
    public function getNormal(verts:Vector.<Number>):Vector3D {
        var normal:Vector3D = new Vector3D();
        return normal;
    }
}
class Part {
    public var indices:Vector.<int>;
    public var verts:Vector.<Number>;
    public var distance:Number;
    public var object:Object;
    public var z:Number;
    public var normal:Vector3D;
    public var shadowRatio:Number;
    public function Part(obj:Object):void {
        object = obj;
        indices = new Vector.<int>();
    }
}
class Camera3D extends Sprite {
    public var nDistance:Number;
    public var matrix3D:Matrix3D;
    public var fllow:Boolean=false;
    public var proj:PerspectiveProjection;
    public var normal:Vector3D;
    public function Camera3D(nNum:Number = 55):void {
        proj = new PerspectiveProjection();
        fieldOfView = nNum;
    }
    public function set focalLength(nNum:Number):void {
        proj.focalLength = nNum;
        setting();
    }
    public function get focalLength():Number {
        return proj.focalLength;
    }
    public function set fieldOfView(nNum:Number):void {
        proj.fieldOfView = nNum;
        setting();
    }
    public function get fieldOfView():Number {
        return proj.fieldOfView;
    }
    public function set projectionCenter(nP:Point):void {
        proj.projectionCenter = nP;
        setting();
    }
    public function get projectionCenter():Point {
        return proj.projectionCenter;
    }
    public function setting():void {
        matrix3D = new Matrix3D();
        matrix3D.appendTranslation(0,0,focalLength);
        matrix3D.append(proj.toMatrix3D());
        normal = Vector3D.Z_AXIS;
    }
}
import flash.display.BitmapData;
import flash.display.Loader;
import flash.display.LoaderInfo;
import flash.net.URLRequest;
import flash.system.LoaderContext;
import flash.events.Event;
class Object3D extends Sprite {
    public var matrix3D:Matrix3D = new Matrix3D();
    public var verts:Vector.<Number> = new Vector.<Number>();
    public var indices:Vector.<int>  = new Vector.<int>();
    public var uvDatas:Vector.<Number> = new Vector.<Number>();
    public var uvtDatas:Vector.<Number>;
    public var parts:Array;
    public var projVerts2D:Vector.<Number>;
    public var texture:BitmapData;
    public var colorHSL:ColorHSL = new ColorHSL(0,0,0.5);
    public var loader:Loader;
    public function Object3D():void {
    }
    public function set color(nRGB:int):void {
        colorHSL.r = nRGB >> 16 & 0xff;
        colorHSL.g = nRGB >> 8 & 0xff;
        colorHSL.b = nRGB & 0xff;
    }
    public function get color():int {
        return colorHSL.value;
    }
    public function offsetV(nX:Number, nY:Number, nZ:Number):void {
        var matrix3D:Matrix3D = new Matrix3D();
        matrix3D.prependTranslation(nX,nY,nZ);
        matrix3D.transformVectors(verts,verts);
    }
    public function set textureURL(url:String):void {
        loader = new Loader();
        var urlReq:URLRequest = new URLRequest(url);
        loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
        loader.load(urlReq, new LoaderContext(true));
    }
    private function loadComplete(e:Event):void {
        texture = new BitmapData(e.target.width, e.target.height,false,0xff0000ff);
        texture.draw(e.target.content);
    }
}
class Joint3D extends Object3D {
    public function Joint3D():void {
    }
}
class Cube3D extends Object3D {
    public function Cube3D(nWidth:Number=100, nHeight:Number=100, nDepth:Number=100):void {
        nWidth/=2;
        nHeight/=2;
        nDepth/=2;
        verts.push(-nWidth,-nHeight, nDepth);
        verts.push( nWidth,-nHeight, nDepth);
        verts.push(-nWidth,-nHeight,-nDepth);
        verts.push( nWidth,-nHeight,-nDepth);
        verts.push( nWidth,-nHeight, nDepth);
        verts.push(-nWidth,-nHeight, nDepth);
        verts.push(-nWidth,-nHeight,-nDepth);
        verts.push(-nWidth, nHeight,-nDepth);
        verts.push( nWidth, nHeight,-nDepth);
        verts.push( nWidth, nHeight, nDepth);
        verts.push(-nWidth, nHeight, nDepth);
        verts.push(-nWidth, nHeight,-nDepth);
        verts.push(-nWidth, nHeight, nDepth);
        verts.push( nWidth, nHeight, nDepth);
        indices.push(0,1, 2,  3, 2,1);
        indices.push(2,3, 7,  8, 7,3);
        indices.push(3,4, 8,  9, 8,4);
        indices.push(4,5, 9, 10, 9,5);
        indices.push(5,6,10, 11,10,6);
        indices.push(7,8,12, 13,12,8);
        uvDatas.push(0/4,0/3, 1/4,0/3);
        uvDatas.push(0/4,1/3, 1/4,1/3, 2/4,1/3, 3/4,1/3, 4/4,1/3);
        uvDatas.push(0/4,2/3, 1/4,2/3, 2/4,2/3, 3/4,2/3, 4/4,2/3);
        uvDatas.push(0/4,3/3, 1/4,3/3);
    }
}

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lkele :

3D cube3D引擎算法

djankey :

readable,

sort

pv673

Rotation Dice with flat shadin..

Kay

forked:1
favorite:0
lines:304 (diff:19)