public void SetVector(Vector3D vector)
{
X = vector.X;
Y = vector.Y;
Z = vector.Z;
W = vector.W;
}
public Vector3D TransformConstant(Matrix3D matrix, Vector3D vector_out)
{
vector_out.X = X * matrix.XX + Y * matrix.YX + Z * matrix.ZX + W * matrix.WX;
vector_out.Y = Y * matrix.XY + Y * matrix.YY + Z * matrix.ZY + W * matrix.WY;
vector_out.Z = Z * matrix.XZ + Y * matrix.YZ + Z * matrix.ZZ + W * matrix.WZ;
vector_out.W = Z * matrix.XW + Y * matrix.YW + Z * matrix.ZW + W * matrix.WW;
return vector_out;
}
protected void UpdateGroundShadows(IAddCommand seq)
{
seq.AddCommand(new RSCommand("element_set_attribute",
"element_name", Viewport.Scene.OptionsName,
"attribute_name", "environment_dome_ground",
"attribute_type", "Boolean",
"attribute_value", Enabled,
"create", true
));
if (Enabled)
{
Vector3D position = new Vector3D(0, Viewport.Scene.BBoxMin.Y);
if (!AutoCalculateGroundHeight)
{
position.Y = GroundHeight;
}
seq.AddCommand(new RSCommand("element_set_attribute",
"element_name", Viewport.Scene.OptionsName,
"attribute_name", "environment_dome_ground_position",
"attribute_type", "Float32<3>",
"attribute_value", position.GetVectorForRS(),
"create", true
));
Vector3D axis = new Vector3D(0, 0, 1);
if (Viewport.SceneYUp)
{
axis.Y = 1;
axis.Z = 0;
}
seq.AddCommand(new RSCommand("element_set_attribute",
"element_name", Viewport.Scene.OptionsName,
"attribute_name", "environment_dome_rotation_axis",
"attribute_type", "Float32<3>",
"attribute_value", axis.GetVectorForRS(),
"create", true
));
}
}
public void SetLookAt(Vector3D position, Vector3D direction, Vector3D up)
{
location = position;
if (direction != null && up != null && direction.IsNotColinear(up))
{
direction.Normalize();
up.Normalize();
this.direction = direction.clone();
this.up = up.clone();
CalcRU();
DeriveMatrix();
}
}
public void SetLookAtPoint(Vector3D position, Vector3D target, Vector3D up)
{
Vector3D direction = target.clone().Sub(position);
if (direction != null && up != null && direction.IsNotColinear(up))
{
this.location = position;
this.target = target;
direction.Normalize();
up.Normalize();
this.direction = direction.clone();
this.up = up.clone();
CalcRU();
DeriveMatrix();
}
}
public void DeriveVectors() {
Matrix3D m = world_to_object.Clone();
m.Invert();
double d = target.Sub(location).Length();
if (d <= 0)
d = 10;
location.SetVector(new Vector3D(0, 0, 0));
location.TransformTranspose(m);
direction.SetVector(new Vector3D(0, 0, -1));
direction.RotateTranspose(m);
direction.Normalize();
up.SetVector(new Vector3D(0, 1, 0));
up.RotateTranspose(m);
up.Normalize();
right.SetVector(new Vector3D(1, 0, 0));
right.RotateTranspose(m);
right.Normalize();
target = location.clone().Add(direction.clone().Scale(d));
}
public void DeriveMatrix()
{
world_to_object.Identity();
world_to_object.XX = right.X;
world_to_object.YX = right.Y;
world_to_object.ZX = right.Z;
world_to_object.XY = up.X;
world_to_object.YY = up.Y;
world_to_object.ZY = up.Z;
world_to_object.XZ = -direction.X;
world_to_object.YZ = -direction.Y;
world_to_object.ZZ = -direction.Z;
Vector3D v = new Vector3D();
for (int i = 0; i < 3; i++)
{
v.SetVector(new Vector3D(world_to_object.raw[0, i], world_to_object.raw[1, i], world_to_object.raw[2, i]));
world_to_object.raw[3, i] = -1 * location.Dot(v);
}
}
/**
* Handle the bounding box response.
*/
protected void OnSceneGetBoundingBox(RSResponse resp)
{
if (resp.IsErrorResponse)
{
Logger.Log("error", "Error getting scene bounding box: " + resp.ErrorMessage);
Status("error", "Error importing scene");
return;
}
Hashtable bbox = resp.Result as Hashtable;
if (bbox == null)
{
Logger.Log("error", "Scene bounding box result was not an object: " + resp.Result.GetType());
Status("error", "Error importing scene");
return;
}
BBoxMax = new Vector3D(
Convert.ToDouble(bbox["max_x"]),
Convert.ToDouble(bbox["max_y"]),
Convert.ToDouble(bbox["max_z"]));
BBoxMin = new Vector3D(
Convert.ToDouble(bbox["min_x"]),
Convert.ToDouble(bbox["min_y"]),
Convert.ToDouble(bbox["min_z"]));
}
public double Dot(Vector3D vector)
{
return X * vector.X + Y * vector.Y + Z * vector.Z;
}
public void MoveTo(Vector3D loc)
{
location.SetVector(location);
LookAtTargetPoint();
}
public double DistanceTo(Vector3D vector)
{
double x = vector.X - X;
double y = vector.Y - Y;
double z = vector.Z - Z;
return Math.Sqrt(x * x + y * y + z * z);
}
public void Rotate(Vector3D axis, double angle)
{
Identity();
double cos_angle = Math.Cos(angle);
double sin_angle = Math.Sin(angle);
XX = (1 - cos_angle) * axis.X * axis.X + cos_angle;
XY = (1 - cos_angle) * axis.X * axis.Y + (sin_angle * axis.Y);
XZ = (1 - cos_angle) * axis.X * axis.Z - (sin_angle * axis.Z);
YX = (1 - cos_angle) * axis.X * axis.Y - (sin_angle * axis.Y);
YY = (1 - cos_angle) * axis.Y * axis.Y + cos_angle;
YZ = (1 - cos_angle) * axis.Y * axis.Z + (sin_angle * axis.X);
ZX = (1 - cos_angle) * axis.X * axis.Z + (sin_angle * axis.Y);
ZY = (1 - cos_angle) * axis.Y * axis.Z - (sin_angle * axis.X);
ZZ = (1 - cos_angle) * axis.Z * axis.Z + cos_angle;
}
public Matrix3D Scale(Vector3D scale)
{
XX /= scale.X;
YX /= scale.X;
ZX /= scale.X;
WX /= scale.X;
XY /= scale.Y;
YY/= scale.Y;
ZY /= scale.Y;
WY/= scale.Y;
XZ /= scale.Z;
YZ /= scale.Z;
ZZ /= scale.Z;
WZ /= scale.Z;
return this;
}
public bool IsNotColinear(Vector3D vector)
{
//Vector3D cross = Cross(vector);
if (vector.X < 0 && vector.Y < 0 && vector.Z < 0)
return false;
else
return true;
}
public Vector3D Sub(Vector3D vector)
{
X = X - vector.X;
Y = Y - vector.Y;
Z = Z - vector.Z;
return this;
}
public Vector3D Add(Vector3D vector)
{
X = X + vector.X;
Y = Y + vector.Y;
Z = Z + vector.Z;
return this;
}
public void Move(Vector3D distance)
{
location.Add(distance);
LookAtTargetPoint();
}
public Vector3D TransformTransposeConst(Matrix3D matrix, Vector3D vector_out)
{
vector_out.X = X * matrix.XX + Y * matrix.XY + Z * matrix.XZ + W * matrix.XW;
vector_out.Y = Y * matrix.YX + Y * matrix.YY + Z * matrix.YZ + W * matrix.YW;
vector_out.Z = Z * matrix.ZX + Y * matrix.ZY + Z * matrix.ZZ + W * matrix.ZW;
vector_out.W = Z * matrix.ZW + Y * matrix.WY + Z * matrix.WZ + W * matrix.WW;
return vector_out;
}
public void Move(Vector3D distance, bool moveTargetPoint)
{
location.Add(distance);
target.Add(distance);
LookAtTargetPoint();
}
public Vector3D Cross(Vector3D vector)
{
Vector3D crossProduct = new Vector3D();
crossProduct.X = Y * vector.Z - Z * vector.Y;
crossProduct.Y = Z * vector.X - X * vector.Z;
crossProduct.Z = X * vector.Y - Y * vector.X;
return crossProduct;
}
public void MoveTo(Vector3D loc, bool shiftTarget) {
Vector3D previousLocation = location;
location.SetVector(loc);
target.Add(loc.Sub(previousLocation));
}
public Transform3D()
{
world_to_object = new Matrix3D();
coord_system = COORD_Z_UP;
ref_dir = Z_DIR;
ref_up = Z_UP;
ref_right = Z_RIGHT;
location = new Vector3D();
direction = ref_dir.clone();
up = ref_up.clone();
right = ref_right.clone();
target = new Vector3D();
}
public void UpdateCamera()
{
if (RenderCamera == null || Viewport.Camera == null)
{
return;
}
Transform camTrans = RenderCamera.transform;
Vector3 camPos = camTrans.position;
Vector3 camForward = camTrans.forward;
// Negate the x position and direction as Unity is left handed while RS is right handed.
Vector3D pos = new Vector3D(-camPos.x, camPos.y, camPos.z);
Vector3D forward = new Vector3D(-camForward.x, camForward.y, camForward.z);
Vector3D up = new Vector3D(0, 1, 0);
Transform3D trans = new Transform3D();
trans.SetLookAt(pos, forward, up);
Viewport.Camera.TransformMatrix = trans.world_to_object;
}
public void UpdateRefDirs()
{
if (coord_system == COORD_Y_UP)
{
ref_dir = Y_DIR;
ref_right = Y_RIGHT;
ref_up = Y_UP;
}
else
{
ref_dir = Z_DIR;
ref_up = Z_UP;
ref_right = Z_RIGHT;
}
}