private static void Reflect(BulletBehaviour2 bullet)
{
if ((bullet.collisionNormal == Vector3.forward) || (bullet.collisionNormal == Vector3.back))
{
bullet.direction = new Vector3(bullet.direction.x, bullet.direction.y, -bullet.direction.z);
}
else if ((bullet.collisionNormal == Vector3.right) || (bullet.collisionNormal == Vector3.left))
{
bullet.direction = new Vector3(-bullet.direction.x, bullet.direction.y, bullet.direction.z);
}
else if ((bullet.collisionNormal == Vector3.up) || (bullet.collisionNormal == Vector3.down))
{
bullet.direction = new Vector3(bullet.direction.x, -bullet.direction.y, bullet.direction.z);
}
}
public static void CheckSphereVsAABBs(BulletBehaviour2 bullet, CubeBehaviour cube)
{
var x = Mathf.Max(cube.min.x, Mathf.Min(bullet.mCenter.x, cube.max.x));
var y = Mathf.Max(cube.min.y, Mathf.Min(bullet.mCenter.y, cube.max.y));
var z = Mathf.Max(cube.min.z, Mathf.Min(bullet.mCenter.z, cube.max.z));
var distance = Mathf.Sqrt((x - bullet.mCenter.x) * (x - bullet.mCenter.x) +
(y - bullet.mCenter.y) * (y - bullet.mCenter.y) +
(z - bullet.mCenter.z) * (z - bullet.mCenter.z));
if ((distance < bullet.radius) && (!bullet.isColliding))
{
float[] distances =
{
(cube.max.x - bullet.transform.position.x),
(bullet.transform.position.x - cube.min.x),
(cube.max.y - bullet.transform.position.y),
(bullet.transform.position.y - cube.min.y),
(cube.max.z - bullet.transform.position.z),
(bullet.transform.position.z - cube.min.z)
};
float penetration = float.MaxValue;
Vector3 side = Vector3.zero;
for (int i = 0; i < 6; i++)
{
if (distances[i] < penetration)
{
// determine the penetration distance
penetration = distances[i];
side = sides[i];
}
}
bullet.penetration = penetration;
bullet.collisionNormal = side;
Reflect(bullet);
cube.stop = false;
}
}
