flash on 2013-2-24
/**
* Copyright ohisama ( http://wonderfl.net/user/ohisama )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/bHyq
*/
package
{
import Box2D.Collision.Shapes.b2PolygonDef;
import Box2D.Collision.b2AABB;
import Box2D.Common.Math.b2Vec2;
import Box2D.Dynamics.Joints.b2MouseJoint;
import Box2D.Dynamics.Joints.b2MouseJointDef;
import Box2D.Dynamics.b2Body;
import Box2D.Dynamics.b2BodyDef;
import Box2D.Dynamics.b2DebugDraw;
import Box2D.Dynamics.b2World;
import com.adobe.viewsource.ViewSource;
import flash.display.BlendMode;
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageQuality;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.BlurFilter;
import flash.geom.ColorTransform;
import flash.geom.Point;
import org.papervision3d.core.effects.BitmapLayerEffect;
import org.papervision3d.core.effects.utils.BitmapClearMode;
import org.papervision3d.core.effects.utils.BitmapDrawCommand;
import org.papervision3d.events.InteractiveScene3DEvent;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.objects.primitives.Cube;
import org.papervision3d.view.BasicView;
import org.papervision3d.view.layer.BitmapEffectLayer;
[SWF(backgroundColor="0x000000")]
public class Box2D_PV3D3 extends BasicView
{
private var worldWidth : Number;
private var worldHeight : Number;
private var m_iterations : int;
private var m_wallWidth : Number;
private var m_wallHeight : Number;
private var m_timeStep : Number;
private var m_physScale : Number;
private var m_world : b2World;
private var rootNode : DisplayObject3D;
private var cubeSize : int;
private var pv3d_height : Number;
public function Box2D_PV3D3()
{
super(0, 0, true, true);
cubeSize = 100;
pv3d_height = 80;
rootNode = scene.addChild(new DisplayObject3D("rootNode"));
camera.zoom = 700 / camera.focus + 1;
camera.target = DisplayObject3D.ZERO;
camera.y = 300;
var light : PointLight3D = new PointLight3D(true);
light.z = -200;
light.y = 300;
worldWidth = stage.stageWidth;
worldHeight = stage.stageHeight;
m_iterations = 30;
m_timeStep = 1 / 20;
m_physScale = 30;
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);
var wallShapeDef : b2PolygonDef = new b2PolygonDef();
var wallBodyDef : b2BodyDef = new b2BodyDef();
var wall : b2Body;
m_wallWidth = 500;
m_wallHeight = 300;
wallShapeDef.SetAsBox(10 / m_physScale, m_wallHeight / 2 / m_physScale);
wallBodyDef.position.Set(0, m_wallHeight / 2 / m_physScale);
wall = m_world.CreateBody(wallBodyDef);
wall.CreateShape(wallShapeDef);
wallBodyDef.position.Set(m_wallWidth / m_physScale, m_wallHeight/2/m_physScale);
wall = m_world.CreateBody(wallBodyDef);
wall.CreateShape(wallShapeDef);
wallShapeDef.SetAsBox(m_wallWidth / 2 / m_physScale, 10 / m_physScale);
wallBodyDef.position.Set(m_wallWidth / 2 / m_physScale, 0);
wall = m_world.CreateBody(wallBodyDef);
wall.CreateShape(wallShapeDef);
wallBodyDef.position.Set(m_wallWidth / 2 / m_physScale, m_wallHeight/m_physScale);
wall = m_world.CreateBody(wallBodyDef);
wall.CreateShape(wallShapeDef);
wall.SetMassFromShapes();
var colorArray : Array = [0xff0000, 0x00ff00, 0x0000ff, 0xffff00, 0xffffff];
for (var i : int = 0; i < 5; i++)
{
var mat : FlatShadeMaterial = new FlatShadeMaterial(light, colorArray[i] as uint);
mat.interactive = true;
var matList : MaterialsList = new MaterialsList({all:mat});
var cube : Cube = new Cube(matList, cubeSize, cubeSize, cubeSize);
cube.extra = {width : cubeSize / 2, height : cubeSize / 2, arrayPos : i};
cube.x = (i * 150) - 300;
cube.y = 10;
rootNode.addChild(cube);
var boxShape : b2PolygonDef = new b2PolygonDef();
boxShape.SetAsBox(cubeSize / 2 / m_physScale, cubeSize / 2 / m_physScale);
boxShape.density = 8;
boxShape.friction = 8;
boxShape.restitution = 0.5;
var bodyDef : b2BodyDef = new b2BodyDef();
bodyDef.position.Set((cube.x + worldWidth / 2) / m_physScale, (cube.y + worldHeight/2)/m_physScale);
var body : b2Body = m_world.CreateBody(bodyDef);
body.CreateShape(boxShape);
body.SetUserData(cube);
body.SetMassFromShapes();
var vec : b2Vec2 = body.GetLinearVelocity();
if (i == 3) vec.Set(50, 0);
}
var dbgDraw : b2DebugDraw = new b2DebugDraw();
dbgDraw.m_sprite = this;
dbgDraw.m_drawScale = 10.0;
dbgDraw.m_fillAlpha = 0.8;
dbgDraw.m_lineThickness = 0.3;
dbgDraw.m_alpha = 0.3;
dbgDraw.m_xformScale = 1.0
dbgDraw.m_drawFlags = b2DebugDraw.e_shapeBit;
m_world.SetDebugDraw(dbgDraw);
addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
private function onEnterFrame(event : Event) : void
{
m_world.Step(m_timeStep, m_iterations);
for (var bb : b2Body = m_world.GetBodyList(); bb; bb = bb.GetNext())
{
if (bb.GetUserData() is DisplayObject3D)
{
bb.GetUserData().x = bb.GetPosition().x * m_physScale - worldWidth / 2;
bb.GetUserData().y = -bb.GetPosition().y * m_physScale + worldHeight / 2 + pv3d_height;
bb.GetUserData().rotationZ = -bb.GetAngle() * (180 / Math.PI);
}
}
singleRender();
}
}
}