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linguist/samples/Uno/TowerBlock.uno
2016-02-22 18:44:02 +01:00

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using Uno;
using Uno.Collections;
using Uno.Graphics;
using Uno.Scenes;
using Uno.Content;
using Uno.Content.Models;
using Uno.Physics.Box2D;
using TowerBuilder.Box2DMath;
namespace TowerBuilder
{
public class TowerBlock : TestBed
{
Body floorBody, deleteBody, mouseBody;
private List<Body> bodies = new List<Body>();
private List<Body> bodiesToDelete = new List<Body>();
private ContactListener contactListener;
protected override void OnInitializeTestBed()
{
World.Gravity = float2(0, -25.0f);
World.ContactListener = contactListener = new ContactListener(this);
bodies.Clear();
bodiesToDelete.Clear();
CreateFloor();
CreateDeleteBody();
CreateBox2();
}
void CreateFloor()
{
var bodyDef = new BodyDef();
bodyDef.position = float2(0, -40.0f);
floorBody = World.CreateBody(bodyDef);
var shape = new PolygonShape();
shape.SetAsBox(30.0f, 10.0f);
var fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.density = 1.0f;
floorBody.CreateFixture(fixtureDef);
}
void CreateDeleteBody()
{
var bodyDef = new BodyDef();
bodyDef.position = float2(0, -44.0f);
deleteBody = World.CreateBody(bodyDef);
var shape = new PolygonShape();
shape.SetAsBox(200.0f, 10.0f);
var fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.density = 1.0f;
deleteBody.CreateFixture(fixtureDef);
}
Random random = new Random((int) (Uno.Diagnostics.Clock.GetSeconds() * 1000000));
void CreateBox2()
{
var bodyDef = new BodyDef();
bodyDef.type = BodyType.Dynamic;
bodyDef.position = float2(random.NextFloat(-25f, 25f), 50.0f);
bodyDef.angularVelocity = random.NextFloat() * 40 - 20;
bodyDef.userData = float3(0, 0, 0);
var body = World.CreateBody(bodyDef);
var shape = new PolygonShape();
shape.SetAsBox(0.75f, 0.75f);
var fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.density = 5.0f;
//fixtureDef.friction = 0.75f;
body.CreateFixture(fixtureDef);
bodies.Add(body);
}
private int c = 0;
protected override void OnFixedUpdate()
{
base.OnFixedUpdate();
debug_log bodies.Count;
if(c++ % 8 == 0 && bodies.Count < 20) CreateBox2();
foreach(var body in bodiesToDelete)
{
World.DestroyBody(body);
bodies.Remove(body);
}
bodiesToDelete.Clear();
}
public class ContactListener : IContactListener
{
private TowerBlock b;
public ContactListener(TowerBlock b)
{
this.b = b;
}
public void BeginContact(Contact contact)
{
if(contact.GetFixtureA().GetBody() == b.deleteBody)
{
b.bodiesToDelete.Add(contact.GetFixtureB().GetBody());
}
else if(contact.GetFixtureB().GetBody() == b.deleteBody)
{
b.bodiesToDelete.Add(contact.GetFixtureA().GetBody());
}
}
public void EndContact(Contact contact) {}
public void PreSolve(Contact contact, ref Manifold manifold) {}
public void PostSolve(Contact contact, ref ContactImpulse impulse) {}
}
}
}