private static bool InTrigger3(Frame f, TriggerRegion region)
{
// https://stackoverflow.com/a/53559963
Vector3 I = region.position;
(Vector3 P, Quaternion rotation) = f.GetCameraTransform();
// var xLocal =
// b1,b2,b3,b4,t1,t2,t3,t4 = cube3d
//
// dir1 = (t1-b1)
// size1 = np.linalg.norm(dir1)
// dir1 = dir1 / size1
//
// dir2 = (b2-b1)
// size2 = np.linalg.norm(dir2)
// dir2 = dir2 / size2
//
// dir3 = (b4-b1)
// size3 = np.linalg.norm(dir3)
// dir3 = dir3 / size3
//
// cube3d_center = (b1 + t3)/2.0
//
// dir_vec = points - cube3d_center
//
// res1 = np.where( (np.absolute(np.dot(dir_vec, dir1)) * 2) > size1 )[0]
// res2 = np.where( (np.absolute(np.dot(dir_vec, dir2)) * 2) > size2 )[0]
// res3 = np.where( (np.absolute(np.dot(dir_vec, dir3)) * 2) > size3 )[0]
//
// return list( set().union(res1, res2, res3) )
return(false);
}
private static bool InTrigger(Frame f, TriggerRegion region)
{
(Vector3 pos, _) = f.GetCameraTransform();
(pos.X, pos.Z) = (pos.Z, pos.X);
float distance = Vector3.Distance(region.position, pos);
float maxRadius = MathF.Max(MathF.Max(region.scale.X, region.scale.Y), region.scale.Z);
return(distance < maxRadius);
}
private static bool InTrigger2(Frame f, TriggerRegion region)
{
(Vector3 pos, Quaternion rot) = f.GetCameraTransform();
(pos.X, pos.Z) = (pos.Z, pos.X);
Vector3 localSpace = InverseTransformPoint(region.position, region.eulerAngles, Vector3.One, pos);
// Matrix4x4 rotMatrix = GetRotationMatrix(region.eulerAngles);
// Matrix4x4.Invert(rotMatrix, out Matrix4x4 inverse);
// Vector3 localSpace = Vector3.Transform(pos - region.position, inverse);
return(MathF.Abs(localSpace.X) < region.scale.X &&
MathF.Abs(localSpace.Y) < region.scale.Y &&
MathF.Abs(localSpace.Z) < region.scale.Z);
// return MathF.Abs(localSpace.X) < 1 &&
// MathF.Abs(localSpace.Y) < 1 &&
// MathF.Abs(localSpace.Z) < 1;
}
/// <summary>
/// 设置一个圆形触发器范围
/// </summary>
protected void SetCircularTriggerRegion(Vector2 pos, float radius)
{
this.region = new CircularTriggerRegion(pos, radius);
}
