public CCDTest()
{
{
PolygonDef sd = new PolygonDef();
sd.SetAsBox(10.0f, 0.2f);
sd.Density = 0.0f;
BodyDef bd = new BodyDef();
bd.Position.Set(0.0f, -0.2f);
Body body = _world.CreateBody(bd);
body.CreateFixture(sd);
sd.SetAsBox(0.2f, 1.0f, new Vec2(0.5f, 1.2f), 0.0f);
body.CreateFixture(sd);
}
{
PolygonDef sd = new PolygonDef();
sd.SetAsBox(2.0f, 0.1f);
sd.Density = 1.0f;
sd.Restitution = 0;
BodyDef bd = new BodyDef();
bd.Position.Set(0.0f, 20.0f);
Body body = _world.CreateBody(bd);
body.CreateFixture(sd);
body.SetMassFromShapes();
body.SetLinearVelocity(new Vec2(0.0f, -100.0f));
body.SetAngularVelocity(Box2DX.Common.Math.Random(-50.0f, 50.0f));
}
}
public DamageBox(Player creator, float x, float y, float width, float height)
: base(creator, x, y)
{
PolygonDef def = new PolygonDef();
def.SetAsBox(width / 2, height / 2, new Vec2(x, y), 0);
def.IsSensor = true;
def.UserData = this;
fixture = creator.body.CreateFixture(def);
fixture.UserData = this;
}
public Pyramid()
{
{
PolygonDef sd = new PolygonDef();
sd.SetAsBox(50.0f, 10.0f);
BodyDef bd = new BodyDef();
bd.Position.Set(0.0f, -10.0f);
Body ground = _world.CreateBody(bd);
ground.CreateFixture(sd);
}
{
PolygonDef sd = new PolygonDef();
float a = 0.5f;
sd.SetAsBox(a, a);
sd.Density = 5.0f;
Vec2 x = new Vec2(-10.0f, 0.75f);
Vec2 y;
Vec2 deltaX = new Vec2(0.5625f, 2.0f);
Vec2 deltaY = new Vec2(1.125f, 0.0f);
for (int i = 0; i < 25; ++i)
{
y = x;
for (int j = i; j < 25; ++j)
{
BodyDef bd = new BodyDef();
bd.Position = y;
Body body = _world.CreateBody(bd);
body.CreateFixture(sd);
body.SetMassFromShapes();
y += deltaY;
}
x += deltaX;
}
}
}
public SimpleTest()
{
// Define the ground body.
BodyDef groundBodyDef = new BodyDef();
groundBodyDef.Position.Set(0.0f, -10.0f);
// Call the body factory which creates the ground box shape.
// The body is also added to the world.
Body groundBody = _world.CreateBody(groundBodyDef);
// Define the ground box shape.
PolygonDef groundShapeDef = new PolygonDef();
// The extents are the half-widths of the box.
groundShapeDef.SetAsBox(50.0f, 10.0f);
// Add the ground shape to the ground body.
groundBody.CreateFixture(groundShapeDef);
// Define the dynamic body. We set its position and call the body factory.
BodyDef bodyDef = new BodyDef();
bodyDef.Position.Set(0.0f, 4.0f);
Body body = _world.CreateBody(bodyDef);
// Define another box shape for our dynamic body.
PolygonDef shapeDef = new PolygonDef();
shapeDef.SetAsBox(1.0f, 1.0f);
// Set the box density to be non-zero, so it will be dynamic.
shapeDef.Density = 1.0f;
// Override the default friction.
shapeDef.Friction = 0.3f;
// Add the shape to the body.
body.CreateFixture(shapeDef);
// Now tell the dynamic body to compute it's mass properties base
// on its shape.
body.SetMassFromShapes();
}
public FrictionTest()
{
// Define the ground body.
BodyDef groundBodyDef = new BodyDef();
groundBodyDef.Position.Set(0.0f, -10.0f);
// Call the body factory which creates the ground box shape.
// The body is also added to the world.
Body groundBody = _world.CreateBody(groundBodyDef);
// Define the ground box shape.
PolygonDef groundShapeDef = new PolygonDef();
// The extents are the half-widths of the box.
groundShapeDef.SetAsBox(50.0f, 10.0f);
// Add the ground shape to the ground body.
groundBody.CreateFixture(groundShapeDef);
// Define the dynamic body. We set its position and call the body factory.
BodyDef bodyDef = new BodyDef();
bodyDef.Position.Set(1.0f, 2.0f);
Body bodyfast = _world.CreateBody(bodyDef);
// Define another box shape for our dynamic body.
PolygonDef shapeDef = new PolygonDef();
shapeDef.SetAsBox(1.0f, 1.0f);
shapeDef.Density = 1.0f;
shapeDef.Friction = 0.3f;
bodyfast.CreateFixture(shapeDef);
bodyfast.SetMassFromShapes();
bodyDef.Position.Set(-1.0f, 2.0f);
Body bodyslow = _world.CreateBody(bodyDef);
shapeDef.Friction = 0.8f;
bodyslow.CreateFixture(shapeDef);
bodyslow.SetMassFromShapes();
bodyslow.SetLinearVelocity(new Vec2(-3, 0));
bodyfast.SetLinearVelocity(new Vec2(3, 0));
}
public VerticalStack()
{
{
PolygonDef sd = new PolygonDef();
sd.SetAsBox(50.0f, 10.0f, new Vec2(0.0f, -10.0f), 0.0f);
BodyDef bd = new BodyDef();
Body ground = _world.CreateBody(bd);
ground.CreateFixture(sd);
sd.SetAsBox(0.1f, 10.0f, new Vec2(20.0f, 10.0f), 0.0f);
ground.CreateFixture(sd);
}
float[] xs = new float[] { 0.0f, -10.0f, -5.0f, 5.0f, 10.0f };
for (int j = 0; j < 5; ++j)
{
PolygonDef sd = new PolygonDef();
sd.SetAsBox(0.5f, 0.5f);
sd.Density = 1.0f;
sd.Friction = 0.3f;
for (int i = 0; i < 16; ++i)
{
BodyDef bd = new BodyDef();
bd.Position.Set(xs[j], 0.752f + 1.54f * i);
Body body = _world.CreateBody(bd);
body.CreateFixture(sd);
body.SetMassFromShapes();
}
}
_bullet = null;
}
public void Create(BroadPhase broadPhase, Body body, XForm xf, FixtureDef def)
{
UserData = def.UserData;
Friction = def.Friction;
Restitution = def.Restitution;
Density = def.Density;
_body = body;
_next = null;
Filter = def.Filter;
_isSensor = def.IsSensor;
_type = def.Type;
// Allocate and initialize the child shape.
switch (_type)
{
case ShapeType.CircleShape:
{
CircleShape circle = new CircleShape();
CircleDef circleDef = (CircleDef)def;
circle._position = circleDef.LocalPosition;
circle._radius = circleDef.Radius;
_shape = circle;
}
break;
case ShapeType.PolygonShape:
{
PolygonShape polygon = new PolygonShape();
PolygonDef polygonDef = (PolygonDef)def;
polygon.Set(polygonDef.Vertices, polygonDef.VertexCount);
_shape = polygon;
}
break;
case ShapeType.EdgeShape:
{
EdgeShape edge = new EdgeShape();
EdgeDef edgeDef = (EdgeDef)def;
edge.Set(edgeDef.Vertex1, edgeDef.Vertex2);
_shape = edge;
}
break;
default:
Box2DXDebug.Assert(false);
break;
}
// Create proxy in the broad-phase.
AABB aabb;
_shape.ComputeAABB(out aabb, xf);
bool inRange = broadPhase.InRange(aabb);
// You are creating a shape outside the world box.
Box2DXDebug.Assert(inRange);
if (inRange)
{
_proxyId = broadPhase.CreateProxy(aabb, this);
}
else
{
_proxyId = PairManager.NullProxy;
}
}
/// <summary>
/// Called to register this block with the collision contexts, etc.
/// </summary>
/// <param name="arena"></param>
public void Bind(LoadableBattleArena arena)
{
// Define the ground box shape.
PolygonDef groundShapeDef = new PolygonDef();
groundShapeDef.SetAsBox(Width / 2, Height / 2, new Box2DX.Common.Vec2(Position.X, Position.Y), 0);
// Add the ground shape to the ground body.
Fixture fix = arena.GroundBody.CreateFixture(groundShapeDef);
fix.UserData = arena;
fix.Filter.CategoryBits = (ushort)Layer;
}
