Vector2 HandleCollisions(Polygon polygon, Vector2 direction)
{
Vector2 newPosition = direction * speed * Time.deltaTime;
Polygon fake = PolygonManager.Create2D(polygon);
fake.Center = newPosition;
List <Polygon> collisions = CollidingPolygons(fake);
if (collisions == null || collisions.Count <= 0)
{
return(direction);
}
for (int i = 0; i < collisions.Count; i++)
{
if (fake.Intersects(collisions[i])) // It may have been corrected
{
fake.ProcessCollision(polygon, collisions[i]);
}
}
Vector2 newDirection = -direction + new Vector2(Random.Range(-1, 1), Random.Range(-1, 1));
return(newDirection.normalized);
}
void OnDrawGizmos()
{
if (!Application.isPlaying)
{
Init();
}
Gizmos.DrawWireSphere(polygon.Center, gizmosSize);
polygon.DrawEdges();
Polygon fake = PolygonManager.Create2D(polygon);
fake.Translate(debugMovement);
Gizmos.color = Color.gray;
// fake.DrawEdges();
List <Collider2D> collisions = fake.CheckCollisionsAt(fake.Center, polygonMask).ToList();// PolygonManager.CheckCollisions(fake);
collisions.Remove(GetComponent <CircleCollider2D>());
for (int i = 0; i < collisions.Count; i++)
{
Polygon obstacle = new RegularPolygon((CircleCollider2D)collisions[i], vertices);
List <Vector2> o_vertices = obstacle.VerticesInside(fake);
Gizmos.color = Color.white;
obstacle.DrawEdges();
DrawDebugCollision(fake, obstacle);
fake.ProcessCollision(polygon, obstacle);
Gizmos.color = Color.yellow;
fake.DrawEdges();
}
}
protected void DrawFakeSolution(Polygon original, Polygon obstacle, Vector2 offset)
{
Polygon fakeSolution = PolygonManager.Create2D(original);
fakeSolution.Translate(offset);
fakeSolution.DrawEdges();
List <Vector2> remaining = fakeSolution.VerticesInside(obstacle);
Gizmos.color = Color.black;
foreach (Vector2 v in obstacle.IntersectionPoints(fakeSolution))
{
Gizmos.DrawWireSphere(v, gizmosSize / 2);
}
foreach (Vector2 v in remaining)
{
Gizmos.DrawWireSphere(v, gizmosSize / 2);
}
}
/// <summary>
/// Calculates the intersection point of the line AB with a Collider.
/// </summary>
/// <param name="collider"></param>
/// <param name="pointA">First point.</param>
/// <param name="pointB">Second point.</param>
/// <returns>The intersection points of a line with the edges of a collider.</returns>
public static List <Vector2> IntersectionPoints(Collider2D collider, Line2D line)
{
Polygon polygon = PolygonManager.Create2D(collider);
return(polygon.IntersectionPoints(line));
}
/// <summary>
/// Calculates the intersection point of the segment AB with a Collider.
/// </summary>
/// <param name="collider"></param>
/// <param name="pointA">First point.</param>
/// <param name="pointB">Second point.</param>
/// <returns>The intersection points of a segment with the edges of a collider.</returns>
public static List <Vector2> IntersectionPoints(Collider2D collider, Segment2D segment)
{
Polygon polygon = PolygonManager.Create2D(collider);
return(polygon.IntersectionPoints(segment));
}