public double DistanceTo(Line line)
{
Line perpendicular = line.Perpendicular(this);
PointD intersection = line.IntersectionWith(perpendicular);
return DistanceTo(intersection);
}
public double DistanceTo(Line line)
{
Line perpendicular = line.Perpendicular(this);
PointD intersection = line.IntersectionWith(perpendicular);
return(DistanceTo(intersection));
}
public static Line ProjectionLine(Puck p, Line reference)
{
PointD ij = reference.IntersectionWith(reference.Perpendicular(p.Location));
double dist = p.Location.DistanceTo(ij);
double scale = p.Radius / dist;
PointD projection_line_point = ij.Offset((p.Location.X - ij.X) * scale, (p.Location.Y - ij.Y) * scale);
return(reference.Parallel(projection_line_point));
}
public static CollisionData GetClosestCollisionData(Puck p, double offset, PointD ghost_puck_location, Puck c, Table table)
{
List<Line> collision_lines = new List<Line>();
collision_lines.AddRange(table.Walls);
for (int j = 0; j < table.Arcs.Count; ++j)
{
PointD[] center_point_collisions = p.Path.IntersectionWith(table.Arcs[j]);
if (center_point_collisions != null)
{
for (int i = 0; i < center_point_collisions.Length; ++i)
{
if (center_point_collisions[i] != null)
{
Line line_thru_center = new Line(table.Arcs[j].Point, (double?)((center_point_collisions[i].Y - table.Arcs[j].Point.Y) / (center_point_collisions[i].X - table.Arcs[j].Point.X)));
Line projection_line = line_thru_center.Perpendicular(center_point_collisions[i]);
collision_lines.Add(projection_line);
}
}
}
}
List<CollisionData> potential_collision_points = new List<CollisionData>();
for (int j = 0; j < collision_lines.Count; ++j) {
PointD center_point_collision = p.Path.IntersectionWith(collision_lines[j]);
if (center_point_collision != null) {
double sc = p.Location.DistanceTo(center_point_collision);
double fc = ghost_puck_location.DistanceTo(center_point_collision);
if (!(fc > sc && fc > offset)) {
Line projection_line = ProjectionLine(p, collision_lines[j]);
PointD projection_collision = p.Path.IntersectionWith(projection_line);
if (offset > projection_collision.DistanceTo(p.Location)) {
potential_collision_points.Add(new CollisionData(projection_collision, projection_line));
}
}
}
}
//TODO: check for collision with computer puck, add result to potential collision points right here
//for (int j = 0; j < table.Arcs.Count; ++j)
//{
// Arc projection_arc = p.Location.DistanceTo(table.Arcs[j].Point) < table.Arcs[j].Radius
// ? new Arc(table.Arcs[j].Point, table.Arcs[j].Radius - p.Radius)
// : new Arc(table.Arcs[j].Point, table.Arcs[j].Radius + p.Radius);
//
// PointD[] center_point_collisions = p.Path.IntersectionWith(table.Arcs[j]);
// if (center_point_collisions != null)
// {
// for (int i = 0; i < center_point_collisions.Length; ++i)
// {
// if (center_point_collisions[i] != null)
// {
// double sc = p.Location.DistanceTo(center_point_collisions[i]);
// double fc = ghost_puck_location.DistanceTo(center_point_collisions[i]);
// if (!(fc > sc && fc > offset))
// {
// PointD[] projection_collisions = p.Path.IntersectionWith(projection_arc);
// foreach (var projection_collision in projection_collisions)
// {
// Line line_thru_center = new Line(table.Arcs[j].Point, (double?)((projection_collision.Y - projection_arc.Point.Y) / (projection_collision.X - projection_arc.Point.X)));
// Line projection_line = line_thru_center.Perpendicular(projection_collision);
// if (offset > projection_collision.DistanceTo(p.Location)) {
// potential_collision_points.Add(new CollisionData(projection_collision, projection_line));
// }
// }
// }
// }
// }
// }
//}
potential_collision_points = potential_collision_points.OrderBy(z => z.collision_point.DistanceTo(p.Location)).ToList();
return potential_collision_points.Count > 0 ? potential_collision_points[0] : null;
}
public static Line ProjectionLine(Puck p, Line reference)
{
PointD ij = reference.IntersectionWith(reference.Perpendicular(p.Location));
double dist = p.Location.DistanceTo(ij);
double scale = p.Radius / dist;
PointD projection_line_point = ij.Offset((p.Location.X - ij.X) * scale, (p.Location.Y - ij.Y) * scale);
return reference.Parallel(projection_line_point);
}
public static CollisionData GetClosestCollisionData(Puck p, double offset, PointD ghost_puck_location, Puck c, Table table)
{
List <Line> collision_lines = new List <Line>();
collision_lines.AddRange(table.Walls);
for (int j = 0; j < table.Arcs.Count; ++j)
{
PointD[] center_point_collisions = p.Path.IntersectionWith(table.Arcs[j]);
if (center_point_collisions != null)
{
for (int i = 0; i < center_point_collisions.Length; ++i)
{
if (center_point_collisions[i] != null)
{
Line line_thru_center = new Line(table.Arcs[j].Point, (double?)((center_point_collisions[i].Y - table.Arcs[j].Point.Y) / (center_point_collisions[i].X - table.Arcs[j].Point.X)));
Line projection_line = line_thru_center.Perpendicular(center_point_collisions[i]);
collision_lines.Add(projection_line);
}
}
}
}
List <CollisionData> potential_collision_points = new List <CollisionData>();
for (int j = 0; j < collision_lines.Count; ++j)
{
PointD center_point_collision = p.Path.IntersectionWith(collision_lines[j]);
if (center_point_collision != null)
{
double sc = p.Location.DistanceTo(center_point_collision);
double fc = ghost_puck_location.DistanceTo(center_point_collision);
if (!(fc > sc && fc > offset))
{
Line projection_line = ProjectionLine(p, collision_lines[j]);
PointD projection_collision = p.Path.IntersectionWith(projection_line);
if (offset > projection_collision.DistanceTo(p.Location))
{
potential_collision_points.Add(new CollisionData(projection_collision, projection_line));
}
}
}
}
//TODO: check for collision with computer puck, add result to potential collision points right here
//for (int j = 0; j < table.Arcs.Count; ++j)
//{
// Arc projection_arc = p.Location.DistanceTo(table.Arcs[j].Point) < table.Arcs[j].Radius
// ? new Arc(table.Arcs[j].Point, table.Arcs[j].Radius - p.Radius)
// : new Arc(table.Arcs[j].Point, table.Arcs[j].Radius + p.Radius);
//
// PointD[] center_point_collisions = p.Path.IntersectionWith(table.Arcs[j]);
// if (center_point_collisions != null)
// {
// for (int i = 0; i < center_point_collisions.Length; ++i)
// {
// if (center_point_collisions[i] != null)
// {
// double sc = p.Location.DistanceTo(center_point_collisions[i]);
// double fc = ghost_puck_location.DistanceTo(center_point_collisions[i]);
// if (!(fc > sc && fc > offset))
// {
// PointD[] projection_collisions = p.Path.IntersectionWith(projection_arc);
// foreach (var projection_collision in projection_collisions)
// {
// Line line_thru_center = new Line(table.Arcs[j].Point, (double?)((projection_collision.Y - projection_arc.Point.Y) / (projection_collision.X - projection_arc.Point.X)));
// Line projection_line = line_thru_center.Perpendicular(projection_collision);
// if (offset > projection_collision.DistanceTo(p.Location)) {
// potential_collision_points.Add(new CollisionData(projection_collision, projection_line));
// }
// }
// }
// }
// }
// }
//}
potential_collision_points = potential_collision_points.OrderBy(z => z.collision_point.DistanceTo(p.Location)).ToList();
return(potential_collision_points.Count > 0 ? potential_collision_points[0] : null);
}