/// <summary>
/// This is essentially the same as Reduce, but some angles are inverted.
/// </summary>
/// <param name="v"></param>
/// <param name="mode"></param>
/// <returns></returns>
internal static float Angle(Vector3 v, Physics.To2dMode mode)
{
switch (mode)
{
case Physics.To2dMode.DropX:
return v.x;
case Physics.To2dMode.DropY:
return -v.y;
case Physics.To2dMode.DropZ:
return v.z;
}
return 0f;
}
/// <summary>
/// Converts the Vector3 to a Vector2 by dropping a given variable.
/// If Correct Zero Data is on, we will try to use a different mode if one of the axes are 0 after converting. Used primarily for collider sizing.
/// </summary>
/// <param name="mode"></param>
/// <param name="correctZeroData"></param>
/// <returns></returns>
internal static Vector3 Convert(Vector2 v2, Physics.To2dMode mode)
{
Vector3 v = Vector3.zero;
switch (mode)
{
case Physics.To2dMode.DropX:
v.y = v2.x;
v.z = v2.y;
break;
case Physics.To2dMode.DropY:
v.x = v2.x;
v.z = v2.y;
break;
case Physics.To2dMode.DropZ:
v.x = v2.x;
v.y = v2.y;
break;
default:
throw new Exception("Unknown enum " + mode);
}
return v;
}
internal static Bounds FromAABB(ref AABB aabb, Physics.To2dMode to2dMode, Vector3 size)
{
Vector3 center = VectorConverter.Convert(aabb.Center, to2dMode);
Vector3 sz = VectorConverter.Convert(aabb.Extents * 2, to2dMode);
switch (to2dMode)
{
case Physics.To2dMode.DropX:
sz.x = size.x;
break;
case Physics.To2dMode.DropY:
sz.y = size.y;
break;
case Physics.To2dMode.DropZ:
sz.z = size.z;
break;
}
return new Bounds(center, sz);
}
// Gets the up vector in relation to the physics mode. This is the vector that is getting dropped.
internal static Vector3 GetUp(Physics.To2dMode mode)
{
switch (mode)
{
case Physics.To2dMode.DropX:
return Vector3.right;
case Physics.To2dMode.DropZ:
return Vector3.forward;
}
return Vector3.up;
}
