PolygonDef CreatePolygonDef(asd.Vector2DF vertex1, asd.Vector2DF vertex2, asd.Vector2DF vertex3)
{
PolygonDef b2PolygonDef = new PolygonDef();
var sortedVertexes = new List <asd.Vector2DF>();
sortedVertexes.Add(vertex1);
sortedVertexes.Add(vertex2);
sortedVertexes.Add(vertex3);
sortedVertexes.Sort((a, b) => a.Degree.CompareTo(b.Degree));
b2PolygonDef.VertexCount = 3;
for (int i = 0; i < 3; i++)
{
b2PolygonDef.Vertices[i] = PhysicalConvert.Tob2Vector(sortedVertexes[i]);
}
b2PolygonDef.Density = Density;
b2PolygonDef.Restitution = Restitution;
b2PolygonDef.Friction = Friction;
b2PolygonDef.Filter = new FilterData()
{
GroupIndex = GroupIndex,
CategoryBits = CategoryBits,
MaskBits = MaskBits
};
return(b2PolygonDef);
}
public void Reset()
{
if (b2Body != null)
{
refWorld.B2World.DestroyBody(b2Body);
b2Body.Dispose();
}
b2BodyDef = new BodyDef();
b2PolygonDef = new PolygonDef();
b2BodyDef.Position = PhysicalConvert.Tob2Vector(DrawingArea.Size / 2.0f + DrawingArea.Position);
CenterPosition = DrawingArea.Size / 2.0f;
b2BodyDef.Angle = Angle / 180.0f * 3.14f;
b2PolygonDef.SetAsBox(PhysicalConvert.Tob2Single(DrawingArea.Width) / 2.0f, PhysicalConvert.Tob2Single(DrawingArea.Height) / 2.0f);
b2PolygonDef.Density = Density;
b2PolygonDef.Restitution = Restitution;
b2PolygonDef.Friction = Friction;
b2PolygonDef.Filter.GroupIndex = GroupIndex;
b2PolygonDef.Filter.CategoryBits = CategoryBits;
b2PolygonDef.Filter.MaskBits = MaskBits;
b2Body = refWorld.B2World.CreateBody(b2BodyDef);
b2Body.CreateFixture(b2PolygonDef);
if (physicalShapeType == PhysicalShapeType.Dynamic)
{
b2Body.SetMassFromShapes();
}
}
public void Reset()
{
if (vertexes.Count < 3)
{
return;
}
if (b2Body != null)
{
refWorld.B2World.DestroyBody(b2Body);
b2Body.Dispose();
}
b2BodyDef = new BodyDef();
b2BodyDef.Angle = Angle / 180.0f * 3.14f;
b2BodyDef.Position = PhysicalConvert.Tob2Vector(CenterPosition);
b2PolygonDefs = DivideToTriangles(vertexes);
b2Body = refWorld.B2World.CreateBody(b2BodyDef);
foreach (var item in b2PolygonDefs)
{
b2Body.CreateFixture(item);
}
if (physicalShapeType == PhysicalShapeType.Dynamic)
{
b2Body.SetMassFromShapes();
}
}
public void Reset()
{
if (b2Body != null)
{
refWorld.B2World.DestroyBody(b2Body);
b2Body.Dispose();
}
b2BodyDef = new BodyDef();
b2CircleDef = new CircleDef();
b2BodyDef.Angle = Angle / 180.0f * 3.14f;
b2BodyDef.Position = PhysicalConvert.Tob2Vector(Position);
b2CircleDef.Radius = PhysicalConvert.Tob2Single(OuterDiameter / 2.0f);
b2CircleDef.Density = Density;
b2CircleDef.Restitution = Restitution;
b2CircleDef.Friction = Friction;
b2CircleDef.Filter = new FilterData()
{
GroupIndex = GroupIndex,
CategoryBits = CategoryBits,
MaskBits = MaskBits
};
b2Body = refWorld.B2World.CreateBody(b2BodyDef);
b2Body.CreateFixture(b2CircleDef);
if (physicalShapeType == PhysicalShapeType.Dynamic)
{
b2Body.SetMassFromShapes();
}
}
/// <summary>
/// 衝撃を加える
/// </summary>
/// <param name="vector">衝撃を加える方向</param>
/// <param name="position">衝撃を加えるローカル位置</param>
public void SetImpulse(asd.Vector2DF vector, asd.Vector2DF position)
{
if (!IsActive)
{
return;
}
b2Body.ApplyImpulse(PhysicalConvert.Tob2Vector(vector), PhysicalConvert.Tob2Vector(CenterPosition + position));
}
/// <summary>
/// 力を加える
/// </summary>
/// <param name="vector">力を加える方向</param>
/// <param name="position">力を加えるローカル位置</param>
public void SetForce(asd.Vector2DF vector, asd.Vector2DF position)
{
if (!IsActive)
{
return;
}
b2Body.ApplyForce(PhysicalConvert.Tob2Vector(vector), PhysicalConvert.Tob2Vector(DrawingArea.Position + position));
}
/// <summary>
/// ワールドを初期化
/// </summary>
/// <param name="worldRect">適用範囲</param>
/// <param name="gravity">重力</param>
public PhysicalWorld(asd.RectF worldRect, asd.Vector2DF gravity)
{
physicalShapes = new List <PhysicalShape>();
collisionController = new CollisionController(this);
AABB aabb = new AABB();
aabb.LowerBound = PhysicalConvert.Tob2Vector(worldRect.Position);
aabb.UpperBound = PhysicalConvert.Tob2Vector(worldRect.Vertexes[2]);
b2World = new World(aabb, PhysicalConvert.Tob2Vector(gravity), true);
b2World.SetContactListener(collisionController);
b2World.SetContactFilter(new ContactFilter());
TimeStep = 1.0f / 60.0f;
VelocityItetions = 8;
PositionIterations = 1;
}
public void Reset()
{
if (b2Body != null)
{
refWorld.B2World.DestroyBody(b2Body);
b2Body.Dispose();
}
b2BodyDef = new BodyDef();
b2PolygonDef = new PolygonDef();
b2BodyDef.Angle = Angle / 180.0f * 3.14f;
b2BodyDef.Position = PhysicalConvert.Tob2Vector(CenterPosition);
var sortedVertexes = new List <asd.Vector2DF>();
foreach (var item in vertexes)
{
sortedVertexes.Add(item);
}
sortedVertexes.Sort((a, b) => a.Degree.CompareTo(b.Degree));
b2PolygonDef.VertexCount = 3;
for (int i = 0; i < 3; i++)
{
b2PolygonDef.Vertices[i] = PhysicalConvert.Tob2Vector(sortedVertexes[i]);
}
b2PolygonDef.Density = Density;
b2PolygonDef.Restitution = Restitution;
b2PolygonDef.Friction = Friction;
b2PolygonDef.Filter = new FilterData()
{
GroupIndex = GroupIndex,
CategoryBits = CategoryBits,
MaskBits = MaskBits
};
b2Body = refWorld.B2World.CreateBody(b2BodyDef);
b2Body.CreateFixture(b2PolygonDef);
if (physicalShapeType == PhysicalShapeType.Dynamic)
{
b2Body.SetMassFromShapes();
}
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="shapeType">物理形状タイプ</param>
/// <param name="world">登録するワールド</param>
public PhysicalRectangleShape(PhysicalShapeType shapeType, PhysicalWorld world)
{
density = 1;
restitution = 0;
friction = 0.6f;
groupIndex = 0;
categoryBits = 0x0001;
maskBits = 0xffff;
b2BodyDef = new BodyDef();
b2PolygonDef = new PolygonDef();
refWorld = world;
physicalShapeType = shapeType;
b2BodyDef.Position = PhysicalConvert.Tob2Vector(new asd.Vector2DF());
b2PolygonDef.SetAsBox(PhysicalConvert.Tob2Single(1) / 2.0f, PhysicalConvert.Tob2Single(1) / 2.0f);
b2Body = refWorld.B2World.CreateBody(b2BodyDef);
b2Body.CreateFixture(b2PolygonDef);
if (physicalShapeType == PhysicalShapeType.Dynamic)
{
b2Body.SetMassFromShapes();
}
world.Add(this);
}
