private void Update()
{
world.Step((float)1 / 60, 8, 1);
var param = (WindowManagerLayoutParams)overlayedButton.LayoutParameters;
param.X = (int)bodydef.position.x;
param.Y = (int)bodydef.position.y;
Plugin.CurrentActivity.CrossCurrentActivity.Current.Activity.RunOnUiThread(() =>
{
//System.Diagnostics.Debug.WriteLine("paramX = " + param.X + " parramY = " + param.Y);
wm.UpdateViewLayout(overlayedButton, param);
});
world.Dump();
}
public static void Dump(b2World _world)
{
#if PROFILING
_world.Dump();
b2Profile profile = _world.Profile;
Console.WriteLine("]-----------[{0:F4}]-----------------------[", profile.step);
Console.WriteLine("Solve Time = {0:F4}", profile.solve);
Console.WriteLine("# bodies = {0}", profile.bodyCount);
Console.WriteLine("# contacts = {0}", profile.contactCount);
Console.WriteLine("# joints = {0}", profile.jointCount);
Console.WriteLine("# toi iters = {0}", profile.toiSolverIterations);
if (profile.step > 0f)
{
Console.WriteLine("Solve TOI Time = {0:F4} {1:F2}%", profile.solveTOI, profile.solveTOI / profile.step * 100f);
Console.WriteLine("Solve TOI Advance Time = {0:F4} {1:F2}%", profile.solveTOIAdvance, profile.solveTOIAdvance / profile.step * 100f);
}
Console.WriteLine("BroadPhase Time = {0:F4}", profile.broadphase);
Console.WriteLine("Collision Time = {0:F4}", profile.collide);
Console.WriteLine("Solve Velocity Time = {0:F4}", profile.solveVelocity);
Console.WriteLine("Solve Position Time = {0:F4}", profile.solvePosition);
Console.WriteLine("Step Time = {0:F4}", profile.step);
#endif
}
static void SetupWorld(bool setupGround)
{
var gravity = new b2Vec2(0.0f, -10.0f);
_world = new b2World(gravity);
_world.SetAllowSleeping(true);
_world.SetContinuousPhysics(true);
_world.SetSubStepping(true);
_world.SetWarmStarting(true);
_world.SetDestructionListener(new Destructo());
_world.SetContactListener(new Contacto());
if (!setupGround)
{
return;
}
// Call the body factory which allocates memory for the ground body
// from a pool and creates the ground box shape (also from a pool).
// The body is also added to the world.
b2BodyDef def = b2BodyDef.Create();
def.allowSleep = true;
def.position = b2Vec2.Zero;
def.type = b2BodyType.b2_staticBody;
b2Body groundBody = _world.CreateBody(def);
groundBody.SetActive(true);
// bottom
b2EdgeShape groundBox = new b2EdgeShape();
groundBox.Set(b2Vec2.Zero, new b2Vec2(width, 0));
b2FixtureDef fd = b2FixtureDef.Create();
fd.shape = groundBox;
groundBody.CreateFixture(fd);
// top
groundBox = new b2EdgeShape();
groundBox.Set(new b2Vec2(0, height), new b2Vec2(width, height));
fd.shape = groundBox;
groundBody.CreateFixture(fd);
// left
groundBox = new b2EdgeShape();
groundBox.Set(new b2Vec2(0, height), b2Vec2.Zero);
fd.shape = groundBox;
groundBody.CreateFixture(fd);
// right
groundBox = new b2EdgeShape();
groundBox.Set(new b2Vec2(width, height), new b2Vec2(width, 0));
fd.shape = groundBox;
groundBody.CreateFixture(fd);
_world.Dump();
}
static void Main(string[] args)
{
var gravity = new b2Vec2(0.0f, -10.0f);
b2World _world = new b2World(gravity);
_world.SetAllowSleeping(true);
_world.SetContinuousPhysics(true);
// Call the body factory which allocates memory for the ground body
// from a pool and creates the ground box shape (also from a pool).
// The body is also added to the world.
b2BodyDef def = b2BodyDef.Create();
def.allowSleep = true;
def.position = b2Vec2.Zero;
def.type = b2BodyType.b2_staticBody;
b2Body groundBody = _world.CreateBody(def);
groundBody.SetActive(true);
// Define the ground box shape.
float width = 100f, height = 100f;
// bottom
b2EdgeShape groundBox = new b2EdgeShape();
groundBox.Set(b2Vec2.Zero, new b2Vec2(width, 0));
b2FixtureDef fd = b2FixtureDef.Create();
fd.shape = groundBox;
groundBody.CreateFixture(fd);
// top
groundBox = new b2EdgeShape();
groundBox.Set(new b2Vec2(0, height), new b2Vec2(width, height));
fd.shape = groundBox;
groundBody.CreateFixture(fd);
// left
groundBox = new b2EdgeShape();
groundBox.Set(new b2Vec2(0, height), b2Vec2.Zero);
fd.shape = groundBox;
groundBody.CreateFixture(fd);
// right
groundBox = new b2EdgeShape();
groundBox.Set(new b2Vec2(width, height), new b2Vec2(width, 0));
fd.shape = groundBox;
groundBody.CreateFixture(fd);
_world.Dump();
Console.WriteLine("Enter the number of bodies you want to run?");
string s = Console.ReadLine();
Random ran = new Random();
for (int i = 0; i < int.Parse(s); i++)
{
def = b2BodyDef.Create();
def.position = new b2Vec2(width * (float)ran.NextDouble(), height * (float)ran.NextDouble());
def.type = b2BodyType.b2_dynamicBody;
b2Body body = _world.CreateBody(def);
// Define another box shape for our dynamic body.
var dynamicBox = new b2PolygonShape();
dynamicBox.SetAsBox(.5f, .5f); //These are mid points for our 1m box
// Define the dynamic body fixture.
fd = b2FixtureDef.Create();
fd.shape = dynamicBox;
fd.density = 1f;
fd.friction = 0.3f;
b2Fixture fixture = body.CreateFixture(fd);
}
int iter = 0;
for (float dt = 0f; dt < 26f; )
{
Update(_world, dt);
dt += 1f / 30f;
iter++;
if (iter == 30)
{
Dump(_world);
iter = 0;
}
}
Console.WriteLine("hit <enter> to exit");
Console.ReadLine();
Dump(_world);
}