public static bool TryIntersectBoxColliders(PhysicsObject2D_42 first, PhysicsObject2D_42 second, out Vector2 normal)
{
var fp = first.transform.position;
var sp = second.transform.position;
var fp2 = new Vector2(fp.x, fp.y);
var fp3 = new Vector2(sp.x, sp.y);
var a = fp2 - first.size / 2;
var b = fp2 + first.size / 2;
var c = fp3 - second.size / 2;
var d = fp3 + second.size / 2;
normal = Vector2.zero;
if (!(a.x > d.x || c.x > b.x || a.y > d.y || c.y > b.y))
{
if (first.isTrigger || second.isTrigger)
{
return(true);
}
var min = float.MaxValue;
CollisionDelegate cd = null;
if (a.x > c.x && a.x <= d.x && b.x > d.x && d.x - a.x < min)
{
min = d.x - a.x;
cd = OnRightCollision;
}
if (c.x > a.x && c.x <= b.x && d.x > b.x && b.x - c.x < min)
{
min = b.x - c.x;
cd = OnLeftCollision;
}
if (a.y > c.y && a.y <= d.y && b.y > d.y && d.y - a.y < min)
{
min = d.y - a.y;
cd = OnTopCollision;
}
if (c.y > a.y && c.y <= b.y && d.y > b.y && b.y - c.y < min)
{
min = b.y - c.y;
cd = OnBotCollision;
}
cd?.Invoke(out normal);
return(true);
}
return(false);
void OnRightCollision(out Vector2 n)
{
if (!first.isStatic)
{
fp.x = sp.x + (first.size.x + second.size.x) / 2 + Threeshold;
first.transform.position = fp;
}
else if (!second.isStatic)
{
sp.x = fp.x - (first.size.x + second.size.x) / 2 - Threeshold;
second.transform.position = sp;
}
n = Vector2.right;
}
void OnLeftCollision(out Vector2 n)
{
if (!first.isStatic)
{
fp.x = sp.x - (first.size.x + second.size.x) / 2 - Threeshold;
first.transform.position = fp;
}
else if (!second.isStatic)
{
sp.x = fp.x + (first.size.x + second.size.x) / 2 + Threeshold;
second.transform.position = sp;
}
n = Vector2.left;
}
void OnTopCollision(out Vector2 n)
{
if (!first.isStatic)
{
fp.y = sp.y + (first.size.y + second.size.y) / 2 + Threeshold;
first.transform.position = fp;
}
else if (!second.isStatic)
{
sp.y = fp.y - (first.size.y + second.size.y) / 2 - Threeshold;
second.transform.position = sp;
}
n = Vector2.up;
}
void OnBotCollision(out Vector2 n)
{
if (!first.isStatic)
{
fp.y = sp.y - (first.size.y + second.size.y) / 2 - Threeshold;
first.transform.position = fp;
}
else if (!second.isStatic)
{
sp.y = fp.y + (first.size.y + second.size.y) / 2 + Threeshold;
second.transform.position = sp;
}
n = Vector2.down;
}
}
