// forked from dizgid's forked from: forked from: forked from: 空間に絵を描く　PerspectiveProjection / curveTo // forked from dizgid's forked from: forked from: 空間に絵を描く　PerspectiveProjection / curveTo // forked from dizgid's forked from: 空間に絵を描く　PerspectiveProjection // forked from miniapp's 空間に絵を描く package { import flash.display.GraphicsPathCommand; import flash.display.SpreadMethod; import flash.display.Sprite; import flash.display.Shape; import flash.display.Graphics; import flash.filters.GlowFilter; import flash.events.Event; import flash.events.KeyboardEvent; import flash.events.MouseEvent; import flash.geom.Matrix3D; import flash.geom.PerspectiveProjection; import flash.geom.Point; import flash.geom.Utils3D; import flash.geom.Vector3D; import flash.text.TextField; import flash.text.TextFieldAutoSize; import flash.ui.Keyboard; [SWF(backgroundColor="0x000000", width="465", height="465", frameRate="60")] public class Projection1 extends Sprite { //private static var identityMatrix:Matrix3D = new Matrix3D(); private var viewport:Shape; private var projection:PerspectiveProjection; private var worldMatrix:Matrix3D; private var viewMatrix:Matrix3D; private var g:Graphics; private var _graphics3D:Graphics3D; public function Projection1() { this.graphics.beginFill(0x000000); this.graphics.drawRect(0,0,stage.stageWidth, stage.stageHeight); this.graphics.endFill(); stage.addEventListener(KeyboardEvent.KEY_UP, keyUpHandler); stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler); viewport = new Shape(); viewport.x = centerX; viewport.y = centerY; viewport.filters = [new GlowFilter(0x3300CC, 0.7, 32, 32, 2, 2)]; g = viewport.graphics addChild(viewport); projection = new PerspectiveProjection(); projection.fieldOfView = 60; worldMatrix = new Matrix3D(); viewMatrix = new Matrix3D(); viewMatrix.appendTranslation(0, 0, projection.focalLength); _drawGraphic3D(); var tf:TextField = new TextField(); tf.autoSize = TextFieldAutoSize.LEFT; tf.textColor = 0x666666; tf.text = 'shitfで回転'; addChild(tf); Wonderfl.capture_delay( 60 ); addEventListener(Event.ENTER_FRAME, enterFrameHandler); } private function _drawGraphic3D():void { var v:Number = 100; _graphics3D = new Graphics3D(); _graphics3D.moveTo( v, v, -v); _graphics3D.lineTo( v,-v, -v); _graphics3D.lineTo(-v,-v, -v); _graphics3D.lineTo(-v, v, -v); _graphics3D.lineTo( v, v, -v); _graphics3D.moveTo( v, v, v); _graphics3D.lineTo( v,-v, v); _graphics3D.lineTo(-v,-v, v); _graphics3D.lineTo(-v, v, v); _graphics3D.lineTo( v, v, v); //_graphics3D.moveTo( 0, 0, 0); drawCircle(_graphics3D, 0,0, 100); } public var uv:Vector.<Number> = new Vector.<Number>(); public var verts:Vector.<Number> = new Vector.<Number>(); public var projectedVerts:Vector.<Number> = new Vector.<Number>(); public var commands:Vector.<int> = new Vector.<int>(); public var matrix:Matrix3D = new Matrix3D(); public var shiftkeyIsDown:Boolean = false; public var centerX:Number = stage.stageWidth / 2; public var centerY:Number = stage.stageHeight / 2; public var pmouseX:Number; public var pmouseY:Number; private var _c:Number; private function keyUpHandler(e:KeyboardEvent):void { if (e.keyCode == Keyboard.SHIFT) shiftkeyIsDown = false; } private function keyDownHandler(e:KeyboardEvent):void { if (e.keyCode == Keyboard.SHIFT) shiftkeyIsDown = true; } private function enterFrameHandler(e:Event):void { verts = _graphics3D.verts; commands = _graphics3D.commands; if (shiftkeyIsDown) { //一フレーム前のマウス座標との差分を回転角度にする。 var dx:Number = mouseY - pmouseY; var dy:Number = mouseX - pmouseX; worldMatrix.identity(); worldMatrix.appendRotation(-dx, Vector3D.X_AXIS); worldMatrix.appendRotation(dy, Vector3D.Y_AXIS); // 頂点データを回転させる。 worldMatrix.transformVectors(verts, verts); } var matrix:Matrix3D = new Matrix3D(); matrix.append(viewMatrix); matrix.append(projection.toMatrix3D()); //２次元に投影 Utils3D.projectVectors(matrix, verts, projectedVerts, uv); render(commands, projectedVerts); pmouseX = mouseX; pmouseY = mouseY; } private function render(commands:Vector.<int>, projectedVerts:Vector.<Number>):void { g.clear(); g.lineStyle(6, 0x3300CC); g.drawPath(commands, projectedVerts); g.lineStyle(1, 0xffffff); g.drawPath(commands, projectedVerts); } //test用 /** http://livedocs.adobe.com/flash/9.0_jp/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00001904.html */ private function drawCircle(g:Graphics3D, x:Number, y:Number, r:Number):void { var z:Number = 0; g.moveTo(x+r, y, z); g.curveTo(r+x, Math.tan(Math.PI/8)*r+y, z, Math.sin(Math.PI/4)*r+x, Math.sin(Math.PI/4)*r+y, z); g.curveTo(Math.tan(Math.PI/8)*r+x, r+y, z, x, r+y, z); g.curveTo(-Math.tan(Math.PI/8)*r+x, r+y, z, -Math.sin(Math.PI/4)*r+x, Math.sin(Math.PI/4)*r+y, z ); g.curveTo(-r+x, Math.tan(Math.PI/8)*r+y, z, -r+x, y, z); g.curveTo(-r+x, -Math.tan(Math.PI/8)*r+y, z, -Math.sin(Math.PI/4)*r+x, -Math.sin(Math.PI/4)*r+y, z); g.curveTo(-Math.tan(Math.PI/8)*r+x, -r+y, z, x, -r+y, z); g.curveTo(Math.tan(Math.PI/8)*r+x, -r+y, z, Math.sin(Math.PI/4)*r+x, -Math.sin(Math.PI/4)*r+y, z); g.curveTo(r+x, -Math.tan(Math.PI/8)*r+y, z, r+x, y, z); } } } import org.papervision3d.core.math.Quaternion; import flash.display.GraphicsPathCommand; import flash.geom.Vector3D; internal class Graphics3D{ public var commands:Vector.<int>; public var verts:Vector.<Number>; private var _thikness:Number = 10; private var curPos:Vector3D = new Vector3D(); private var prevPos:Vector3D = new Vector3D(); private var _prevX : Vector3D = new Vector3D(); // 道路描画時の直前のX方向 private var _prevY : Vector3D = new Vector3D(); // 道路描画時の直前のY方向(カメラの上) private var _prevZ : Vector3D = new Vector3D(); // 道路描画時の直前のZ方向(正面) public function Graphics3D(){ commands = new Vector.<int>(); verts = new Vector.<Number>(); } public function lineStyle(thickness:Number, color:uint, alpha:Number):void { // } public function moveTo(x:Number,y:Number,z:Number):void { commands.push(GraphicsPathCommand.MOVE_TO); verts.push(x,y,z); } public function curveTo(x:Number,y:Number,z:Number, cx:Number,cy:Number,cz:Number):void { commands.push(GraphicsPathCommand.CURVE_TO); verts.push(x,y,z,cx,cy,cz); } public function lineTo(x:Number,y:Number,z:Number):void { commands.push(GraphicsPathCommand.LINE_TO); verts.push(x,y,z); } }