/// <summary>
/// This is a javascript application.
/// </summary>
/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
public Application(IApp page)
{
Console.WriteLine("InitializeContent");
//, b2Fixture = Box2D.Dynamics.b2Fixture
//, b2MassData = Box2D.Collision.Shapes.b2MassData
;
var world = new Box2D.Dynamics.b2World(
new Box2D.Common.Math.b2Vec2(0, 10) //gravity
, true //allow sleep
);
var fixDef = new Box2D.Dynamics.b2FixtureDef();
fixDef.density = 1.0;
fixDef.friction = 0.5;
fixDef.restitution = 0.2;
var bodyDef = new Box2D.Dynamics.b2BodyDef();
//create ground
const int b2Body_b2_staticBody = 0;
bodyDef.type = b2Body_b2_staticBody;
bodyDef.position.x = 9;
bodyDef.position.y = 13;
fixDef.shape = new Box2D.Collision.Shapes.b2PolygonShape();
((Box2D.Collision.Shapes.b2PolygonShape)fixDef.shape).SetAsBox(10, 0.5);
world.CreateBody(bodyDef).CreateFixture(fixDef);
//var x = world.CreateBody(bodyDef);
//new IFunction("x", "alert(typeof x);").apply(null, x);
var __random = new IFunction("return Math.random();");
Func<double> Math_random = () => (double)__random.apply(null);
//create some objects
const int b2Body_b2_dynamicBody = 2;
bodyDef.type = b2Body_b2_dynamicBody;
for (var i = 0; i < 10; i++)
{
if (Math_random() > 0.5)
{
fixDef.shape = new Box2D.Collision.Shapes.b2PolygonShape();
((Box2D.Collision.Shapes.b2PolygonShape)fixDef.shape).SetAsBox(
Math_random() + 0.1 //half width
, Math_random() + 0.1 //half height
);
}
else
{
fixDef.shape = new Box2D.Collision.Shapes.b2CircleShape(
Math_random() + 0.1 //radius
);
}
bodyDef.position.x = Math_random() * 10;
bodyDef.position.y = Math_random() * 10;
world.CreateBody(bodyDef).CreateFixture(fixDef);
}
//setup debug draw
var debugDraw = new Box2D.Dynamics.b2DebugDraw();
var context = page.canvas1.getContext("2d");
debugDraw.SetSprite(context);
debugDraw.SetDrawScale(30.0);
debugDraw.SetFillAlpha(0.3);
debugDraw.SetLineThickness(1.0);
const int b2DebugDraw_e_shapeBit = 0x1;
const int b2DebugDraw_e_jointBit = 0x2;
debugDraw.SetFlags(b2DebugDraw_e_shapeBit | b2DebugDraw_e_jointBit);
world.SetDebugDraw(debugDraw);
var c = 0;
Native.window.onframe += delegate
{
c++;
Native.document.title = "" + c;
world.Step(
1.0 / 60 //frame-rate
, 10 //velocity iterations
, 10 //position iterations
);
world.DrawDebugData();
world.ClearForces();
};
Console.WriteLine("InitializeContent done");
//new IFunction("alert(Box2D);").apply(null);
//Native.Window.alert("bodyDef=" + bodyDef);
}
/// <summary>
/// This is a javascript application.
/// </summary>
/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
public Application(IApp page)
{
Console.WriteLine("InitializeContent");
//, b2Fixture = Box2D.Dynamics.b2Fixture
//, b2MassData = Box2D.Collision.Shapes.b2MassData
;
var world = new Box2D.Dynamics.b2World(
new Box2D.Common.Math.b2Vec2(0, 10) //gravity
, true //allow sleep
);
var fixDef = new Box2D.Dynamics.b2FixtureDef();
fixDef.density = 1.0;
fixDef.friction = 0.5;
fixDef.restitution = 0.2;
var bodyDef = new Box2D.Dynamics.b2BodyDef();
//create ground
const int b2Body_b2_staticBody = 0;
bodyDef.type = b2Body_b2_staticBody;
bodyDef.position.x = 9;
bodyDef.position.y = 13;
fixDef.shape = new Box2D.Collision.Shapes.b2PolygonShape();
((Box2D.Collision.Shapes.b2PolygonShape)fixDef.shape).SetAsBox(10, 0.5);
world.CreateBody(bodyDef).CreateFixture(fixDef);
//var x = world.CreateBody(bodyDef);
//new IFunction("x", "alert(typeof x);").apply(null, x);
var __random = new IFunction("return Math.random();");
Func <double> Math_random = () => (double)__random.apply(null);
//create some objects
const int b2Body_b2_dynamicBody = 2;
bodyDef.type = b2Body_b2_dynamicBody;
for (var i = 0; i < 10; i++)
{
if (Math_random() > 0.5)
{
fixDef.shape = new Box2D.Collision.Shapes.b2PolygonShape();
((Box2D.Collision.Shapes.b2PolygonShape)fixDef.shape).SetAsBox(
Math_random() + 0.1 //half width
, Math_random() + 0.1 //half height
);
}
else
{
fixDef.shape = new Box2D.Collision.Shapes.b2CircleShape(
Math_random() + 0.1 //radius
);
}
bodyDef.position.x = Math_random() * 10;
bodyDef.position.y = Math_random() * 10;
world.CreateBody(bodyDef).CreateFixture(fixDef);
}
//setup debug draw
var debugDraw = new Box2D.Dynamics.b2DebugDraw();
var context = page.canvas1.getContext("2d");
debugDraw.SetSprite(context);
debugDraw.SetDrawScale(30.0);
debugDraw.SetFillAlpha(0.3);
debugDraw.SetLineThickness(1.0);
const int b2DebugDraw_e_shapeBit = 0x1;
const int b2DebugDraw_e_jointBit = 0x2;
debugDraw.SetFlags(b2DebugDraw_e_shapeBit | b2DebugDraw_e_jointBit);
world.SetDebugDraw(debugDraw);
var c = 0;
Native.window.onframe += delegate
{
c++;
Native.document.title = "" + c;
world.Step(
1.0 / 60 //frame-rate
, 10 //velocity iterations
, 10 //position iterations
);
world.DrawDebugData();
world.ClearForces();
};
Console.WriteLine("InitializeContent done");
//new IFunction("alert(Box2D);").apply(null);
//Native.Window.alert("bodyDef=" + bodyDef);
}
