/// <inheritdoc />
public void Draw(Window window, Camera camera)
{
ScreenPoint pos = camera.WorldToViewportPosition(Position.PixelTranslate(Rect.BottomLeft));
int w = HMath.RoundToInt(Rect.Extents.X * 2);
int h = HMath.RoundToInt(Rect.Extents.Y * 2);
ScreenRect rect = new ScreenRect(pos.X, pos.Y, w, h);
window.DrawRect(rect, Fill, Color);
}
/// <inheritdoc />
public void Draw(Window window, Camera camera)
{
ScreenPoint[] points = new ScreenPoint[Polygon.Points.Count];
for (int i = 0; i < points.Length; i++)
{
WorldPoint pointPos = Position.PixelTranslate(Polygon.Points[i]);
points[i] = camera.WorldToViewportPosition(pointPos);
}
window.DrawPolygon(points, Color);
}
IPhysicsBody IPhysicsBody.CollisionPass(IEnumerable <CollisionData> collisions)
{
WorldPoint newPosition = Position;
Vector2 newVelocity = Velocity;
foreach (CollisionData collision in collisions)
{
newPosition = newPosition.PixelTranslate(collision.MTV);
newVelocity = GetMomentumChange(this, collision) + GetFriction(this, collision);
}
return(new RigidBody(this, position: newPosition, velocity: newVelocity));
}
IPhysicsBody IPhysicsBody.ImpulsePass(Vector2 gravity, float deltaT)
{
WorldPoint secOrigin = new WorldPoint(Position.Sector, Vector2.Zero);
Vector2 f = Forces + gravity;
Vector2 a = GetAccel(f, Mass);
Vector2 p = Position.PixelDistance(secOrigin);
Vector2 newP = GetNewPosition(p, a, Velocity, deltaT);
Vector2 newVelocity = GetNewVelocity(a, Velocity, deltaT);
WorldPoint newPosition = secOrigin.PixelTranslate(newP);
return(new RigidBody(this, position: newPosition, velocity: newVelocity, forces: Vector2.Zero));
}