class AttachmentContour3DConstraint : public Constraint

a class corresponding to a force constraint where a spring force is added on a vertex attached to a fixed point

Inheritance:

Public Methods

virtual void	apply () the apply fonction that adds an external force to the vertex
double	getStiffness () const returns the stiffness of the spring force
Vec3	getFixedPosition () const returns the position where the vertex is fixed
ActiveVertexContour3D*	getVertex () const returns the vertex where the constraint is applied
void	setStiffness (const double s) sets the stiffness of the spring force
void	setFixedPosition (const Vec3 &p) sets the maximum distance between two vertices

Public

	Exception classes class MissingVertex : public Exception thrown when a DistanceConstraint is created specifying without any vertex
	constructor AttachmentContour3DConstraint (const Vec3 &p, const double s, ActiveVertexContour3D *v) throw(MissingVertex) create an attachment constraint
	destructor virtual ~AttachmentContour3DConstraint (void) empty destructor

Private Fields

Vec3	position the position where the vertex is attached
double	stiffness the stiffness of the spring
ActiveVertexContour3D*	vertex the ActiveVertex3D that is attached to a fixed point
ActiveContour3D*	contour the ActiveContour3D where the constraint is applied

Exception classes

class MissingVertex: public Exception

thrown when a DistanceConstraint is created specifying without any vertex

Vec3 position

the position where the vertex is attached

double stiffness

the stiffness of the spring

ActiveVertexContour3D* vertex

the ActiveVertex3D that is attached to a fixed point

ActiveContour3D* contour

the ActiveContour3D where the constraint is applied

virtual void apply()

the apply fonction that adds an external force to the vertex

double getStiffness() const

returns the stiffness of the spring force

Vec3 getFixedPosition() const

returns the position where the vertex is fixed

ActiveVertexContour3D* getVertex() const

returns the vertex where the constraint is applied

void setStiffness(const double s)

sets the stiffness of the spring force

void setFixedPosition(const Vec3 &p)

sets the maximum distance between two vertices

constructor

AttachmentContour3DConstraint(const Vec3 &p, const double s, ActiveVertexContour3D *v) throw(MissingVertex)

create an attachment constraint

Throws:

MissingVertex thrown when v is NULL

Parameters:

p - the 3D position to attract the vertex
s - the stiffness parameter (between 0.0 and 1.0) used to compute the attracting force
v - the vertex on which the constraint applies

destructor

virtual ~AttachmentContour3DConstraint(void)

empty destructor

alphabetic index hierarchy of classes

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(c)opyright by Malte Zöckler, Roland Wunderling
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