/* * * WonderFlでBox2DFlashAS3が対応してくれて、嬉しい！ * 若干、興奮気味です。 * * ソースが異常に長くなってしまいました。 * */ package { import flash.display.Sprite; import flash.events.Event; import Box2D.Dynamics.*; import Box2D.Collision.*; import Box2D.Collision.Shapes.*; import Box2D.Dynamics.Joints.*; import Box2D.Dynamics.Contacts.*; import Box2D.Common.*; import Box2D.Common.Math.*; [SWF(backgroundColor="0x000000")] public class Main extends Sprite { public var m_sprite:Sprite; public var m_world:b2World; public var m_physScale:Number = 30.0; public var m_iterations:int = 10; public var m_timeStep:Number = 1.0/30.0; public var m_mouseJoint:b2MouseJoint; static public var mouseXWorldPhys:Number; static public var mouseYWorldPhys:Number; static public var mouseXWorld:Number; static public var mouseYWorld:Number; public var m_input:Input; private var mousePVec:b2Vec2 = new b2Vec2(); public function Main():void { //コンテナ m_sprite = new Sprite(); addChild(m_sprite); m_input = new Input(m_sprite); addEventListener(Event.ENTER_FRAME, update, false, 0, true); //WORLD var worldAABB:b2AABB = new b2AABB(); worldAABB.lowerBound.Set(-1000.0, -1000.0); worldAABB.upperBound.Set(1000.0, 1000.0); var gravity:b2Vec2 = new b2Vec2(0.0, 10.0); var doSleep:Boolean = true; m_world = new b2World(worldAABB, gravity, doSleep); //デバック用 var dbgDraw:b2DebugDraw= new b2DebugDraw(); var dbgSprite:Sprite= new Sprite(); m_sprite.addChild(dbgSprite); dbgDraw.m_sprite= dbgSprite; dbgDraw.m_drawScale= 30.0; dbgDraw.m_fillAlpha= 0.3; dbgDraw.m_lineThickness= 1.0; dbgDraw.m_alpha=1.0; dbgDraw.m_xformScale=1.0; dbgDraw.m_drawFlags = b2DebugDraw.e_shapeBit; m_world.SetDebugDraw(dbgDraw); //オブジェクト作成 var wallObject:b2PolygonDef = new b2PolygonDef(); wallObject.density = 0.0; var wallDef:b2BodyDef = new b2BodyDef(); var wallBody:b2Body; //Left wallDef.position.Set(10/2 / m_physScale, 465/2 / m_physScale); wallObject.SetAsBox(10/2 / m_physScale, 465/2 / m_physScale); wallBody = m_world.CreateBody(wallDef); wallBody.CreateShape(wallObject); wallBody.SetMassFromShapes(); //Right wallDef.position.Set((465-10/2) / m_physScale, 465/2 / m_physScale); wallObject.SetAsBox(10/2 / m_physScale, 465/2 / m_physScale); wallBody = m_world.CreateBody(wallDef); wallBody.CreateShape(wallObject); wallBody.SetMassFromShapes(); //Top wallDef.position.Set(465/2 / m_physScale, 10/2 / m_physScale); wallObject.SetAsBox(465/2 / m_physScale, 10/2 / m_physScale); wallBody = m_world.CreateBody(wallDef); wallBody.CreateShape(wallObject); wallBody.SetMassFromShapes(); //Bottom wallDef.position.Set(465/2 / m_physScale, (465-10/2) / m_physScale); wallObject.SetAsBox(465/2 / m_physScale, 10/2 / m_physScale); wallBody = m_world.CreateBody(wallDef); wallBody.CreateShape(wallObject); wallBody.SetMassFromShapes(); var bd:b2BodyDef; var circ:b2CircleDef = new b2CircleDef(); var box:b2PolygonDef = new b2PolygonDef(); var jd:b2DistanceJointDef = new b2DistanceJointDef(); circ.radius = 12.5 / m_physScale; circ.density = 1.0; circ.friction = 0.4; circ.restitution = 0.3; box.SetAsBox(20 / m_physScale, 20 / m_physScale); box.density = 1.0; box.friction = 0.4; box.restitution = 0.3; bd = new b2BodyDef(); bd.position.Set(250 / m_physScale, 250 / m_physScale); var circbd:b2Body = m_world.CreateBody(bd); circbd.CreateShape(circ); circbd.SetMassFromShapes(); bd.position.Set(230 / m_physScale, 280 / m_physScale); var circbd2:b2Body = m_world.CreateBody(bd); circbd2.CreateShape(circ); circbd2.SetMassFromShapes(); bd.position.Set(270 / m_physScale, 280 / m_physScale); var circbd3:b2Body = m_world.CreateBody(bd); circbd3.CreateShape(circ); circbd3.SetMassFromShapes(); jd.Initialize(circbd, circbd2, circbd.GetPosition(), circbd2.GetPosition()); m_world.CreateJoint(jd); jd.Initialize(circbd2, circbd3, circbd2.GetPosition(), circbd3.GetPosition()); m_world.CreateJoint(jd); jd.Initialize(circbd3, circbd, circbd3.GetPosition(), circbd.GetPosition()); m_world.CreateJoint(jd); for (var i:uint = 0; i < 20; i++ ) { box.SetAsBox((10 + Math.random() * 25) / m_physScale, (10 + Math.random() * 25) / m_physScale); bd.position.Set(Math.random() * 465 / m_physScale, Math.random() * 465 / m_physScale); var boxbd:b2Body = m_world.CreateBody(bd); boxbd.CreateShape(box); boxbd.SetMassFromShapes(); } for (i = 0; i < 20; i++ ) { circ.radius = (10 + Math.random() * 30) / m_physScale; bd.position.Set(Math.random() * 465 / m_physScale, Math.random() * 465 / m_physScale); var circbd4:b2Body = m_world.CreateBody(bd); circbd4.CreateShape(circ); circbd4.SetMassFromShapes(); } } private function update(event:Event):void { m_world.Step(m_timeStep, m_iterations); m_sprite.graphics.clear(); UpdateMouseWorld(); MouseDrag(); Input.update(); // joints for (var jj:b2Joint = m_world.m_jointList; jj; jj = jj.m_next){ DrawJoint(jj); } } //====================== // Update mouseWorld //====================== public function UpdateMouseWorld():void{ mouseXWorldPhys = (Input.mouseX)/m_physScale; mouseYWorldPhys = (Input.mouseY)/m_physScale; mouseXWorld = (Input.mouseX); mouseYWorld = (Input.mouseY); } //====================== // Mouse Drag //====================== public function MouseDrag():void{ // mouse press if (Input.mouseDown && !m_mouseJoint){ var body:b2Body = GetBodyAtMouse(); if (body) { var md:b2MouseJointDef = new b2MouseJointDef(); md.body1 = m_world.GetGroundBody(); md.body2 = body; md.target.Set(mouseXWorldPhys, mouseYWorldPhys); md.maxForce = 300.0 * body.GetMass(); md.timeStep = m_timeStep; m_mouseJoint = m_world.CreateJoint(md) as b2MouseJoint; body.WakeUp(); } } // mouse release if (!Input.mouseDown){ if (m_mouseJoint) { m_world.DestroyJoint(m_mouseJoint); m_mouseJoint = null; } } // mouse move if (m_mouseJoint) { var p2:b2Vec2 = new b2Vec2(mouseXWorldPhys, mouseYWorldPhys); m_mouseJoint.SetTarget(p2); } } //====================== // GetBodyAtMouse //====================== public function GetBodyAtMouse(includeStatic:Boolean=false):b2Body{ // Make a small box. mousePVec.Set(mouseXWorldPhys, mouseYWorldPhys); var aabb:b2AABB = new b2AABB(); aabb.lowerBound.Set(mouseXWorldPhys - 0.001, mouseYWorldPhys - 0.001); aabb.upperBound.Set(mouseXWorldPhys + 0.001, mouseYWorldPhys + 0.001); // Query the world for overlapping shapes. var k_maxCount:int = 10; var shapes:Array = new Array(); var count:int = m_world.Query(aabb, shapes, k_maxCount); var body:b2Body = null; for (var i:int = 0; i < count; ++i) { if (shapes[i].GetBody().IsStatic() == false || includeStatic) { var tShape:b2Shape = shapes[i] as b2Shape; var inside:Boolean = tShape.TestPoint(tShape.GetBody().GetXForm(), mousePVec); if (inside) { body = tShape.GetBody(); break; } } } return body; } //====================== // Draw Joint //====================== public function DrawJoint(joint:b2Joint):void { var b1:b2Body = joint.m_body1; var b2:b2Body = joint.m_body2; var x1:b2Vec2 = b1.m_linearVelocity; var x2:b2Vec2 = b2.m_linearVelocity; var p1:b2Vec2 = joint.GetAnchor1(); var p2:b2Vec2 = joint.GetAnchor2(); m_sprite.graphics.lineStyle(1,0x44aaff,1/1); switch (joint.m_type) { case b2Joint.e_distanceJoint: case b2Joint.e_mouseJoint: m_sprite.graphics.moveTo(p1.x * m_physScale, p1.y * m_physScale); m_sprite.graphics.lineTo(p2.x * m_physScale, p2.y * m_physScale); break; case b2Joint.e_pulleyJoint: var pulley:b2PulleyJoint = joint as b2PulleyJoint; var s1:b2Vec2 = pulley.m_groundAnchor1; var s2:b2Vec2 = pulley.m_groundAnchor2; m_sprite.graphics.moveTo(s1.x * m_physScale, s1.y * m_physScale); m_sprite.graphics.lineTo(p1.x * m_physScale, p1.y * m_physScale); m_sprite.graphics.moveTo(s2.x * m_physScale, s2.y * m_physScale); m_sprite.graphics.lineTo(p2.x * m_physScale, p2.y * m_physScale); break; default: if (b1 == m_world.m_groundBody){ m_sprite.graphics.moveTo(p1.x * m_physScale, p1.y * m_physScale); m_sprite.graphics.lineTo(x2.x * m_physScale, x2.y * m_physScale); } else if (b2 == m_world.m_groundBody){ m_sprite.graphics.moveTo(p1.x * m_physScale, p1.y * m_physScale); m_sprite.graphics.lineTo(x1.x * m_physScale, x1.y * m_physScale); } else{ m_sprite.graphics.moveTo(x1.x * m_physScale, x1.y * m_physScale); m_sprite.graphics.lineTo(p1.x * m_physScale, p1.y * m_physScale); m_sprite.graphics.lineTo(x2.x * m_physScale, x2.y * m_physScale); m_sprite.graphics.lineTo(p2.x * m_physScale, p2.y * m_physScale); } } } } } //=========================================================== //=========================================================// // -=ANTHEM=- // file: .as // // copyright: Matthew Bush 2007 // // notes: // //=========================================================// //=========================================================== //=========================================================== // Input class //=========================================================== import flash.display.*; import flash.events.*; class Input{ //====================== // constructor //====================== public function Input(stageMc:Sprite){ m_stageMc = stageMc; // init ascii array ascii = new Array(222) fillAscii(); // init key state array keyState = new Array(222); keyArr = new Array(); for (var i:int = 0; i < 222; i++){ keyState[i] = new int(0); if (ascii[i] != undefined){ keyArr.push(i); } } // buffer bufferSize = 5; keyBuffer = new Array(bufferSize); for (var j:int = 0; j < bufferSize; j++){ keyBuffer[j] = new Array(0,0); } // add key listeners stageMc.stage.addEventListener(KeyboardEvent.KEY_DOWN, keyPress, false, 0, true); stageMc.stage.addEventListener(KeyboardEvent.KEY_UP, keyRelease, false, 0, true); // mouse listeners stageMc.stage.addEventListener(MouseEvent.MOUSE_DOWN, mousePress, false, 0, true); stageMc.stage.addEventListener(MouseEvent.CLICK, mouseRelease, false, 0, true); stageMc.stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMove, false, 0, true); stageMc.stage.addEventListener(Event.MOUSE_LEAVE, mouseLeave, false, 0, true); mouse.graphics.lineStyle(0.1, 0, 100); mouse.graphics.moveTo(0,0); mouse.graphics.lineTo(0,0.1); } //====================== // update //====================== static public function update():void{ // array of used keys /*var kArr:Array = new Array( Globals.keyP1Up, Globals.keyP1Down, Globals.keyP1Left, Globals.keyP1Right, Globals.keyP1Attack1, Globals.keyP1Attack2, Globals.keyP1Jump, Globals.keyP1Defend, Globals.keyResetGame, Globals.keyInvertBg, Globals.keyChangeBg, Globals.keyPauseGame);*/ // update used keys for (var i:int = 0; i < keyArr.length; i++){ if (keyState[keyArr[i]] != 0){ keyState[keyArr[i]]++; } } // update buffer for (var j:int = 0; j < bufferSize; j++){ keyBuffer[j][1]++; } // end mouse release mouseReleased = false; mousePressed = false; mouseOver = false; } //====================== // mousePress listener //====================== public function mousePress(e:MouseEvent):void { mousePressed = true; mouseDown = true; mouseDragX = 0; mouseDragY = 0; } //====================== // mousePress listener //====================== public function mouseRelease(e:MouseEvent):void { mouseDown = false; mouseReleased = true; } //====================== // mousePress listener //====================== public function mouseLeave(e:Event):void { mouseReleased = mouseDown; mouseDown = false; } //====================== // mouseMove listener //====================== public function mouseMove(e:MouseEvent):void { // Fix mouse release not being registered from mouse going off stage if (mouseDown != e.buttonDown){ mouseDown = e.buttonDown; mouseReleased = !e.buttonDown; mousePressed = e.buttonDown; mouseDragX = 0; mouseDragY = 0; } mouseX = e.stageX - m_stageMc.x; mouseY = e.stageY - m_stageMc.y; // Store offset mouseOffsetX = mouseX - mouse.x; mouseOffsetY = mouseY - mouse.y; // Update drag if (mouseDown){ mouseDragX += mouseOffsetX; mouseDragY += mouseOffsetY; } mouse.x = mouseX; mouse.y = mouseY; } //====================== // getKeyHold //====================== static public function getKeyHold(k:int):int{ return Math.max(0, keyState[k]); } //====================== // isKeyDown //====================== static public function isKeyDown(k:int):Boolean{ return (keyState[k] > 0); } //====================== // isKeyPressed //====================== static public function isKeyPressed(k:int):Boolean{ timeSinceLastKey = 0; return (keyState[k] == 1); } //====================== // isKeyReleased //====================== static public function isKeyReleased(k:int):Boolean{ return (keyState[k] == -1); } //====================== // isKeyInBuffer //====================== static public function isKeyInBuffer(k:int, i:int, t:int):Object { return (keyBuffer[i][0] == k && keyBuffer[i][1] <= t); } //====================== // keyPress function //====================== public function keyPress(e:KeyboardEvent):void { //strace ( e.keyCode + " : " + ascii[e.keyCode] ); // set keyState keyState[e.keyCode] = Math.max(keyState[e.keyCode], 1); // last key (for key config) lastKey = e.keyCode; } //====================== // keyRelease function //====================== public function keyRelease(e:KeyboardEvent):void { keyState[e.keyCode] = -1; // add to key buffer for (var i:int = bufferSize-1; i > 0 ; i--){ keyBuffer[i] = keyBuffer[i - 1]; } keyBuffer[0] = [e.keyCode, 0]; } //====================== // get key string //====================== static public function getKeyString(k:uint):String{ return ascii[k]; } //====================== // set up ascii text //====================== private function fillAscii():void{ ascii[65] = "A"; ascii[66] = "B"; ascii[67] = "C"; ascii[68] = "D"; ascii[69] = "E"; ascii[70] = "F"; ascii[71] = "G"; ascii[72] = "H"; ascii[73] = "I"; ascii[74] = "J"; ascii[75] = "K"; ascii[76] = "L"; ascii[77] = "M"; ascii[78] = "N"; ascii[79] = "O"; ascii[80] = "P"; ascii[81] = "Q"; ascii[82] = "R"; ascii[83] = "S"; ascii[84] = "T"; ascii[85] = "U"; ascii[86] = "V"; ascii[87] = "W"; ascii[88] = "X"; ascii[89] = "Y"; ascii[90] = "Z"; ascii[48] = "0"; ascii[49] = "1"; ascii[50] = "2"; ascii[51] = "3"; ascii[52] = "4"; ascii[53] = "5"; ascii[54] = "6"; ascii[55] = "7"; ascii[56] = "8"; ascii[57] = "9"; ascii[32] = "Spacebar"; ascii[17] = "Ctrl"; ascii[16] = "Shift"; ascii[192] = "~"; ascii[38] = "up"; ascii[40] = "down"; ascii[37] = "left"; ascii[39] = "right"; ascii[96] = "Numpad 0"; ascii[97] = "Numpad 1"; ascii[98] = "Numpad 2"; ascii[99] = "Numpad 3"; ascii[100] = "Numpad 4"; ascii[101] = "Numpad 5"; ascii[102] = "Numpad 6"; ascii[103] = "Numpad 7"; ascii[104] = "Numpad 8"; ascii[105] = "Numpad 9"; ascii[111] = "Numpad /"; ascii[106] = "Numpad *"; ascii[109] = "Numpad -"; ascii[107] = "Numpad +"; ascii[110] = "Numpad ."; ascii[45] = "Insert"; ascii[46] = "Delete"; ascii[33] = "Page Up"; ascii[34] = "Page Down"; ascii[35] = "End"; ascii[36] = "Home"; ascii[112] = "F1"; ascii[113] = "F2"; ascii[114] = "F3"; ascii[115] = "F4"; ascii[116] = "F5"; ascii[117] = "F6"; ascii[118] = "F7"; ascii[119] = "F8"; ascii[188] = ","; ascii[190] = "."; ascii[186] = ";"; ascii[222] = "'"; ascii[219] = "["; ascii[221] = "]"; ascii[189] = "-"; ascii[187] = "+"; ascii[220] = "\\"; ascii[191] = "/"; ascii[9] = "TAB"; ascii[8] = "Backspace"; //ascii[27] = "ESC"; } //====================== // member data //====================== // key text array static public var ascii:Array; static private var keyState:Array; static private var keyArr:Array; static private var keyBuffer:Array; static private var bufferSize:int; // last key pressed static public var lastKey:int = 0; static public var timeSinceLastKey:Number = 0; // mouse states static public var mouseDown:Boolean = false; static public var mouseReleased:Boolean = false; static public var mousePressed:Boolean = false; static public var mouseOver:Boolean = false; static public var mouseX:Number = 0; static public var mouseY:Number = 0; static public var mouseOffsetX:Number = 0; static public var mouseOffsetY:Number = 0; static public var mouseDragX:Number = 0; static public var mouseDragY:Number = 0; static public var mouse:Sprite = new Sprite(); // stage static public var m_stageMc:Sprite; } // End of file //=========================================================== //===========================================================