package { import __AS3__.vec.Vector; import flash.display.BitmapData; import flash.display.GradientType; import flash.display.Graphics; import flash.display.Shape; import flash.display.Sprite; import flash.events.Event; import flash.geom.ColorTransform; import flash.geom.Matrix; import flash.geom.Matrix3D; import flash.geom.PerspectiveProjection; import flash.geom.Utils3D; import flash.geom.Vector3D; import flash.utils.getTimer; [SWF(width="465", height="465", backgroundColor="0x000000", frameRate="40")] /** * yにも変化つけてみた * */ public class mapLine extends Sprite { private var baseField:Sprite = new Sprite(); private var sprite:Sprite = new Sprite(); private var perspective:PerspectiveProjection = new PerspectiveProjection(); private var projectionMatrix:Matrix3D = new Matrix3D(); private const CENTER_X:Number = stage.stageWidth / 2; private const CENTER_Y:Number = stage.stageHeight * 0.65; private const FLOOR_SIZE:Number = 300; private const FLOOR_HALFSIZE:Number = FLOOR_SIZE / 2; private var FLOOR_VERTICES:Vector.<Number> = Vector.<Number>([ FLOOR_HALFSIZE, 0, FLOOR_HALFSIZE, -FLOOR_HALFSIZE, 0, FLOOR_HALFSIZE, -FLOOR_HALFSIZE, 0, -FLOOR_HALFSIZE, FLOOR_HALFSIZE, 0, -FLOOR_HALFSIZE, FLOOR_HALFSIZE, 0, 0, -FLOOR_HALFSIZE, 0, 0, 0, 0, FLOOR_HALFSIZE, 0, 0, -FLOOR_HALFSIZE, ]); private var floorUvts:Vector.<Number> = Vector.<Number>([ 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]); private var floorUvts2:Vector.<Number> = Vector.<Number>([ 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]); private const FLOOR_VERTEX_NUMBER:int = FLOOR_VERTICES.length / 3; private var floorProjectedVertices:Vector.<Number> = new Vector.<Number>(); private var floorIndices:Vector.<int> = Vector.<int>([ 0, 1, 2, 2, 3, 0 ]); private var viewRotationY:Number = 0; private var viewRotationX:Number = 25; private const TEXTURE_SIZE:int = 150; private var floorTexture:BitmapData = new BitmapData(TEXTURE_SIZE, TEXTURE_SIZE, false, 0x000000); // 照り返し private var reflectionBitmapData:BitmapData; private const REFLECTION_COLOR:uint = 0x555566; private const REFLECTION_RADIUS:Number = 16; //Line private var lineSprite:Sprite = new Sprite(); private var lineNum:uint = 30; private var LineArray:Vector.<linePos> = new Vector.<linePos>(lineNum); public function mapLine() { setBaseField(); addEventListener(Event.ENTER_FRAME, handleEnterFrame); } private var WIREFRAME_COLOR:uint = 0xFFFFFF; private function setBaseField():void { addChild(sprite); addChild(lineSprite); for(var i:uint=0; i<lineNum; i++) { LineArray[i] = new linePos(); } var shape:Shape = new Shape(); var g:Graphics = shape.graphics; reflectionBitmapData = new BitmapData(REFLECTION_RADIUS * 2, REFLECTION_RADIUS * 2, true, 0); g.clear(); var matrix:Matrix = new Matrix(); matrix.createGradientBox(REFLECTION_RADIUS * 2, REFLECTION_RADIUS * 2, 0, 0, 0); g.beginGradientFill(GradientType.RADIAL, [ REFLECTION_COLOR, REFLECTION_COLOR ], [ 1, 0 ], [ 0, 255 ], matrix); g.drawCircle(REFLECTION_RADIUS, REFLECTION_RADIUS, REFLECTION_RADIUS*0.1); g.endFill(); reflectionBitmapData.draw(shape); } private function handleEnterFrame(e:Event):void { const FACTOR:Number = 0.06; viewRotationY += (getTimer() * 0.01 + (-(CENTER_X - mouseX) * 0.4) - viewRotationY) * FACTOR; viewRotationX += ((27 + (CENTER_Y - mouseY) * 0.15) - viewRotationX) * FACTOR; _render(); setupProjectionMatrix(); } private function renderFloor(nx:Number, nz:Number):void { var matrix:Matrix = new Matrix(); var colorTransform:ColorTransform = new ColorTransform(); matrix.translate(FLOOR_HALFSIZE + nx - REFLECTION_RADIUS * 1, FLOOR_HALFSIZE - nz - REFLECTION_RADIUS * 1); matrix.scale(TEXTURE_SIZE / FLOOR_SIZE, TEXTURE_SIZE / FLOOR_SIZE); floorTexture.draw(reflectionBitmapData, matrix, colorTransform); } private function _render():void { Utils3D.projectVectors(projectionMatrix, FLOOR_VERTICES, floorProjectedVertices, floorUvts); for (var i:uint = 0; i < FLOOR_VERTEX_NUMBER; i++) { floorProjectedVertices[(i << 1) ] += CENTER_X; floorProjectedVertices[(i << 1) + 1] += CENTER_Y; } var g:Graphics = sprite.graphics; g.clear(); g.beginBitmapFill(floorTexture); g.drawTriangles(floorProjectedVertices, floorIndices, floorUvts); g.endFill(); g.lineStyle(1, WIREFRAME_COLOR); g.moveTo(floorProjectedVertices[0], floorProjectedVertices[1]); g.lineTo(floorProjectedVertices[2], floorProjectedVertices[3]); g.lineTo(floorProjectedVertices[4], floorProjectedVertices[5]); g.lineTo(floorProjectedVertices[6], floorProjectedVertices[7]); g.lineTo(floorProjectedVertices[0], floorProjectedVertices[1]); // LINE var g2:Graphics = lineSprite.graphics; g2.clear(); g2.lineStyle(1, WIREFRAME_COLOR); for(var il:uint=0; il<lineNum; il++) { var lPos:linePos = LineArray[il]; Utils3D.projectVectors(projectionMatrix, lPos.LINE_VERTICES, lPos.lineProjectedVertices, floorUvts2); var LINE_V_NUM:int = lPos.LINE_VERTEX_NUMBER; for (i = 0; i <LINE_V_NUM; i++) { lPos.lineProjectedVertices[(i << 1) ] += CENTER_X; lPos.lineProjectedVertices[(i << 1) + 1] += CENTER_Y; } g2.moveTo(lPos.lineProjectedVertices[0], lPos.lineProjectedVertices[1]); var lineArNum:Number = lPos.lineProjectedVertices.length / 2; for(i=1; i<lineArNum; i++) { g2.lineTo(lPos.lineProjectedVertices[i*2], lPos.lineProjectedVertices[i*2+1]); } lPos.handleEnterFrame(); var px:Number = lPos.LINE_VERTICES[0] +( lPos.vecX*Math.random() )*20; var py:Number = lPos.LINE_VERTICES[2] +( lPos.vecZ*Math.random() )*20; renderFloor(px, py); } } private function setupProjectionMatrix():void { perspective.fieldOfView = 60; projectionMatrix.identity(); projectionMatrix.appendRotation(viewRotationY, Vector3D.Y_AXIS); projectionMatrix.appendRotation(viewRotationX, Vector3D.X_AXIS); projectionMatrix.appendTranslation(0, 0, perspective.focalLength); projectionMatrix.append(perspective.toMatrix3D()); correctMatrix3DMultiplyBug(projectionMatrix); } private function correctMatrix3DMultiplyBug(matrix:Matrix3D):void { var m1:Matrix3D = new Matrix3D(Vector.<Number>([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ])); var m2:Matrix3D = new Matrix3D(Vector.<Number>([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 ])); m1.append(m2); if (m1.rawData[15] == 20) { // バグ持ち！ var rawData:Vector.<Number> = matrix.rawData; rawData[15] /= 20; matrix.rawData = rawData; } } } } class linePos { public var LINE_VERTICES:Vector.<Number> = Vector.<Number>([ 0, -50, 0, 0, -50, 0, 0, -50, 0, 0, -50, 0, 0, -50, 0, 0, -50, 0, 0, -50, 0, 0, -50, 0 ]); public var lineProjectedVertices:Vector.<Number> = new Vector.<Number>(); public const LINE_VERTEX_NUMBER:int = LINE_VERTICES.length / 3; public var cnt:uint=0; public var vecX:Number = -1; public var vecZ:Number = 2; private const FLOOR_SIZE:Number = 300; private const FLOOR_HALFSIZE:Number = FLOOR_SIZE / 2; private var delay:uint; private var delaycnt:uint = 0; private var R:Number = 30 * Math.random(); //y値の波形半径 //コンストラクタ public function linePos() { delay = Math.round( 20 * Math.random() ); } public function handleEnterFrame():void { if(delaycnt>delay) { update(); } else { delaycnt++; } } private function update():void { var leng:uint = LINE_VERTICES.length/3; var t:uint for(var i:uint=1; i<leng; i++) { t = leng-1-i; LINE_VERTICES[(t+1)*3+2] = LINE_VERTICES[t*3+2]; LINE_VERTICES[(t+1)*3+1] = LINE_VERTICES[t*3+1]; LINE_VERTICES[(t+1)*3] = LINE_VERTICES[t*3]; } if(cnt==15) { var ram:Number = Math.random(); //開始点にポイントを戻す。４方向のどこを開始点にするかはランダム var startX:Number; var startZ:Number; if(ram < 0.25) { startX = -FLOOR_HALFSIZE+FLOOR_SIZE*Math.random(); startZ = -FLOOR_HALFSIZE; vecX = -1 + 2 * Math.random(); vecZ = 2; }else if(ram<0.5) { startX = -FLOOR_HALFSIZE+FLOOR_SIZE*Math.random(); startZ = FLOOR_HALFSIZE; vecX = -1 + 2 * Math.random();; vecZ = -2; }else if(ram<0.75) { startX = -FLOOR_HALFSIZE; startZ = -FLOOR_HALFSIZE+FLOOR_SIZE*Math.random(); vecX = 2; vecZ = -1 + 2 * Math.random();; }else { startX = FLOOR_HALFSIZE; startZ = -FLOOR_HALFSIZE+FLOOR_SIZE*Math.random(); vecX = -2; vecZ = -1 + 2 * Math.random(); } //３次元座標のリセット。 LINE_VERTICES = Vector.<Number>([ startX, -50, startZ, startX, -50, startZ, startX, -50, startZ, startX, -50, startZ, startX, -50, startZ, startX, -50, startZ, startX, -50, startZ, startX, -50, startZ ]); cnt = 0; } else { //通常は単に座標を更新する var px:Number = LINE_VERTICES[0] +( vecX*Math.random() )*10; var py:Number = LINE_VERTICES[2] +( vecZ*Math.random() )*10; LINE_VERTICES[0] = px; LINE_VERTICES[1] = -50 + R * Math.sin(cnt); LINE_VERTICES[2] = py; cnt++; } } }