public Sensor(World world, Vector2 position, Vector2 rectangle)
: base(world, position)
{
BoundingBox = new AABB();
BoundingBox.Offset = Vector2.Zero;
BoundingBox.Position = position;
BoundingBox.XHalfWidth = new Vector2(rectangle.X / 2, 0);
BoundingBox.YHalfWidth = new Vector2(0, rectangle.Y / 2);
var polygon = new Vector2[4];
var upperLeft = Vector2.Zero;
var upperRight = new Vector2(rectangle.X, 0);
var lowerRight = rectangle;
var lowerLeft = new Vector2(0, rectangle.Y);
polygon[0] = upperLeft;
polygon[1] = upperRight;
polygon[2] = lowerRight;
polygon[3] = lowerLeft;
CollisionShape = new Polygon(polygon, this);
TestAABBOnly = true;
WorldInfo.AddToWorld(this);
}
public StaticObject(World worldInfo, Vector2 position, float mass, float friction, float restitution, Texture2D texture)
: base(worldInfo, position)
{
var rectangle = ConvertUnits.ToSimUnits(new Vector2(texture.Width, texture.Height));
BoundingBox = new AABB();
BoundingBox.Offset = Vector2.Zero;
BoundingBox.Position = position;
BoundingBox.XHalfWidth = new Vector2(rectangle.X / 2, 0);
BoundingBox.YHalfWidth = new Vector2(0, rectangle.Y / 2);
var polygon = new Vector2[4];
var upperLeft = Vector2.Zero;
var upperRight = new Vector2(rectangle.X, 0);
var lowerRight = rectangle;
var lowerLeft = new Vector2(0, rectangle.Y);
polygon[0] = upperLeft;
polygon[1] = upperRight;
polygon[2] = lowerRight;
polygon[3] = lowerLeft;
CollisionShape = new Polygon(polygon, this);
WorldInfo.AddToWorld(this);
}
public DynamicObject(World worldInfo, Vector2 position, float mass, float friction, float restitution, List <Vector2> polygon)
: base(worldInfo, position)
{
float minX = float.PositiveInfinity; float maxX = float.NegativeInfinity;
float minY = float.PositiveInfinity; float maxY = float.NegativeInfinity;
polygon.ForEach((vertex) =>
{
if (vertex.X < minX)
{
minX = vertex.X;
}
if (vertex.X > maxX)
{
maxX = vertex.X;
}
if (vertex.Y < minY)
{
minY = vertex.Y;
}
if (vertex.Y > maxY)
{
maxY = vertex.Y;
}
});
var ul = new Vector2(minX, minY);
var lr = new Vector2(maxX, maxY);
Vector2 boxCenter = ul + (lr - ul) * 0.5f;
// Convert to local points
var vertices = new Vector2[polygon.Count];
int idx = 0;
polygon.ForEach((p) => { vertices[idx] = (p - position); idx++; });
BoundingBox = new AABB();
BoundingBox.Offset = boxCenter - position;
BoundingBox.Position = position + BoundingBox.Offset;
BoundingBox.XHalfWidth = new Vector2((maxX - minX) / 2, 0);
BoundingBox.YHalfWidth = new Vector2(0, (maxY - minY) / 2);
CollisionShape = new Polygon(vertices, this);
Mass = mass;
Friction = friction;
Restitution = restitution;
if (Friction > 1)
{
Friction = 1;
}
if (Mass <= 0)
{
Mass = 1;
}
WorldInfo.AddToWorld(this);
}
public Sensor(World world, Vector2 position, List <Vector2> polygon)
: base(world, position)
{
float minX = float.PositiveInfinity; float maxX = float.NegativeInfinity;
float minY = float.PositiveInfinity; float maxY = float.NegativeInfinity;
foreach (Vector2 vertex in polygon)
{
if (vertex.X < minX)
{
minX = vertex.X;
}
if (vertex.X > maxX)
{
maxX = vertex.X;
}
if (vertex.Y < minY)
{
minY = vertex.Y;
}
if (vertex.Y > maxY)
{
maxY = vertex.Y;
}
}
var ul = new Vector2(minX, minY);
var lr = new Vector2(maxX, maxY);
Vector2 boxCenter = ul + (lr - ul) * 0.5f;
// Convert to local points
var vertices = new Vector2[polygon.Count];
int idx = 0;
foreach (Vector2 point in polygon)
{
vertices[idx] = (point - position);
idx++;
}
BoundingBox = new AABB();
BoundingBox.Offset = boxCenter - position;
BoundingBox.Position = position + BoundingBox.Offset;
BoundingBox.XHalfWidth = new Vector2((maxX - minX) / 2, 0);
BoundingBox.YHalfWidth = new Vector2(0, (maxY - minY) / 2);
CollisionShape = new Polygon(vertices, this);
WorldInfo.AddToWorld(this);
}
public DynamicObject(World worldInfo, Vector2 position, float mass, float friction, float restitution, Vector2 rectangle)
: base(worldInfo, position)
{
BoundingBox = new AABB();
BoundingBox.Offset = Vector2.Zero;
BoundingBox.Position = position;
BoundingBox.XHalfWidth = new Vector2(rectangle.X / 2, 0);
BoundingBox.YHalfWidth = new Vector2(0, rectangle.Y / 2);
var polygon = new Vector2[4];
var upperLeft = Vector2.Zero;
var upperRight = new Vector2(rectangle.X, 0);
var lowerRight = rectangle;
var lowerLeft = new Vector2(0, rectangle.Y);
polygon[0] = upperLeft;
polygon[1] = upperRight;
polygon[2] = lowerRight;
polygon[3] = lowerLeft;
CollisionShape = new Polygon(polygon, this);
TestAABBOnly = true;
Mass = mass;
Friction = friction;
Restitution = restitution;
if (Friction > 1)
{
Friction = 1;
}
if (Mass <= 0)
{
Mass = 1;
}
WorldInfo.AddToWorld(this);
}