/// Initialize the proxy using the given shape. The shape
/// must remain in scope while the proxy is in use.
public void Set(Shape shape, int index)
{
switch (shape.ShapeType)
{
case ShapeType.Circle:
{
CircleShape circle = (CircleShape)shape;
_vertices[0] = circle._p;
_count = 1;
_radius = circle._radius;
}
break;
case ShapeType.Polygon:
{
PolygonShape polygon = (PolygonShape)shape;
_vertices = polygon._vertices;
_count = polygon._vertexCount;
_radius = polygon._radius;
}
break;
case ShapeType.Loop:
{
LoopShape loop = (LoopShape)shape;
Debug.Assert(0 <= index && index < loop._count);
_buffer[0] = loop._vertices[index];
if (index + 1 < loop._count)
{
_buffer[1] = loop._vertices[index + 1];
}
else
{
_buffer[1] = loop._vertices[0];
}
_vertices[0] = _buffer[0];
_vertices[1] = _buffer[1];
_count = 2;
_radius = loop._radius;
}
break;
case ShapeType.Edge:
{
EdgeShape edge = (EdgeShape)shape;
_vertices[0] = edge._vertex1;
_vertices[1] = edge._vertex2;
_count = 2;
_radius = edge._radius;
}
break;
default:
Debug.Assert(false);
break;
}
}
public Soldier(Shape shape, Vector2 position, GameContent gameContent, World world)
{
this.gameContent = gameContent;
this.world = world;
idle = new Animation(gameContent.idle[(int)shape], 20f, false);
walk = new Animation(gameContent.walk[(int)shape], 0.15f, true);
animationPlayer.PlayAnimation(idle);
MaxHealth = 10; health = gameContent.random.Next(2, 10);
MaxReloadTime = gameContent.random.Next(50); reloadTime = 0;
CircleShape cShape = new CircleShape();
cShape._radius = (Size + 2) / 2 / gameContent.b2Scale;
BodyDef bd = new BodyDef();
bd.fixedRotation = true;
bd.type = BodyType.Dynamic;
bd.position = position / gameContent.b2Scale;
body = world.CreateBody(bd);
//body.SetLinearDamping(10);
FixtureDef fd = new FixtureDef();
fd.shape = cShape;
fd.restitution = 0.5f;
fd.friction = .1f;
fd.density = .1f;
body.CreateFixture(fd);
body.SetUserData(this);
}
public static bool TestOverlap(Shape shapeA, Shape shapeB, ref Transform xfA, ref Transform xfB)
{
DistanceInput input = new DistanceInput();
input.proxyA.Set(shapeA);
input.proxyB.Set(shapeB);
input.transformA = xfA;
input.transformB = xfB;
input.useRadii = true;
SimplexCache cache;
DistanceOutput output;
Distance.ComputeDistance(out output, out cache, ref input);
return output.distance < 10.0f * Settings.b2_epsilon;
}
public Bazooka(Shape shape, Vector2 position, GameContent gameContent, World world)
: base(shape, position, gameContent, world)
{
}
/// <summary>
/// Creates one part of the motorcycle or driver
/// </summary>
/// <param name="shape">The shape of the part</param>
/// <param name="name">The Content name of the texture that belongs to this part</param>
/// <param name="pos">The position of the part</param>
/// <param name="angle">The rotation angle of the part</param>
/// <param name="density">The density of the part</param>
/// <param name="friction">The friction of the part</param>
/// <param name="restitution">The restitution of the part</param>
/// <returns></returns>
private Body CreatePart(Shape shape, String name, Vector2 pos, float angle, float density,
float friction, float restitution)
{
Body body = CreateBody(name, pos, angle);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.density = density;
fixtureDef.friction = friction;
fixtureDef.restitution = restitution;
body.CreateFixture(fixtureDef);
parts.Add(body);
return body;
}
/// <summary>
/// Initialize the proxy using the given shape. The shape
/// must remain in scope while the proxy is in use.
/// </summary>
/// <param name="shape"></param>
public void Set(Shape shape)
{
switch (shape.ShapeType)
{
case ShapeType.Circle:
{
CircleShape circle = (CircleShape)shape;
_vertices[0] = circle._p;
_count = 1;
_radius = circle._radius;
}
break;
case ShapeType.Polygon:
{
PolygonShape polygon = (PolygonShape)shape;
_vertices = polygon._vertices;
_count = polygon._vertexCount;
_radius = polygon._radius;
}
break;
default:
Debug.Assert(false);
break;
}
}
/// <summary>
/// Creates a fixture from a shape and attach it to this body.
/// This is a convenience function. Use FixtureDef if you need to set parameters
/// like friction, restitution, user data, or filtering.
/// If the density is non-zero, this function automatically updates the mass of the body.
/// @warning This function is locked during callbacks.
/// </summary>
/// <param name="shape">the shape to be cloned.</param>
/// <param name="density">the shape density (set to zero for static bodies).</param>
/// <returns></returns>
public Fixture CreateFixture(Shape shape, float density)
{
FixtureDef def = new FixtureDef();
def.shape = shape;
def.density = density;
return CreateFixture(def);
}
public AirBombs(Shape shape, Vector2 position, GameContent gameContent, World world)
: base(shape, position, gameContent, world)
{
}
internal Fixture()
{
_userData = null;
_body = null;
_next = null;
_proxyId = BroadPhase.NullProxy;
_shape = null;
}
/// <summary>
/// The constructor sets the default fixture definition values.
/// </summary>
public FixtureDef()
{
shape = null;
userData = null;
friction = 0.2f;
restitution = 0.0f;
density = 0.0f;
filter.categoryBits = 0x0001;
filter.maskBits = 0xFFFF;
filter.groupIndex = 0;
isSensor = false;
}
internal void Destroy()
{
// The proxy must be destroyed before calling this.
Debug.Assert(_proxyId == BroadPhase.NullProxy);
_shape = null;
}
// We need separation create/destroy functions from the constructor/destructor because
// the destructor cannot access the allocator or broad-phase (no destructor arguments allowed by C++).
internal void Create(Body body, FixtureDef def)
{
_userData = def.userData;
_friction = def.friction;
_restitution = def.restitution;
_body = body;
_next = null;
_filter = def.filter;
_isSensor = def.isSensor;
_shape = def.shape.Clone();
_density = def.density;
}
