VerletPhysics.VerletCloth Class Reference

Simple verlet cloth. More...

Public Types
enum class	PinModeEnum { None , TopCorners , Top , AllCorners }
	Pin mode enum. More...

Public Member Functions
	VerletCloth (VerletWorld world, Vector2 topLeftPosition, Vector2 pointCount, float separation, PinModeEnum pinMode=PinModeEnum.TopCorners, float tearSensitivityFactor=2, float stiffness=1, bool drawPoints=false, float pointRadius=10f)
	Create a verlet cloth. More...

Detailed Description

Simple verlet cloth.

Definition at line 9 of file VerletCloth.cs.

Member Enumeration Documentation

PinModeEnum

enum VerletPhysics.VerletCloth.PinModeEnum

strong

Pin mode enum.

Enumerator
None	No pin
TopCorners	Pin top corners
Top	Pin all top points
AllCorners	Pin all corners

Definition at line 14 of file VerletCloth.cs.

        {
            None,
 
            TopCorners,
 
            Top,
 
            AllCorners
        }

Constructor & Destructor Documentation

VerletCloth()

VerletPhysics.VerletCloth.VerletCloth ( VerletWorld  world, Vector2  topLeftPosition, Vector2  pointCount, float  separation, PinModeEnum  pinMode = PinModeEnum.TopCorners, float  tearSensitivityFactor = 2, float  stiffness = 1, bool  drawPoints = false, float  pointRadius = 10f  )

inline

Create a verlet cloth.

Parameters

world	Verlet world
topLeftPosition	Top-left position
pointCount	X/Y point count
separation	Separation
pinMode	Pin mode
tearSensitivityFactor	Distance factor required to break the cloth. Use -1 to create an unbreakable cloth.
stiffness	Stiffness of the cloth
drawPoints	Draw verlet points
pointRadius	Verlet point radius

Definition at line 43 of file VerletCloth.cs.

        {
            points = new List<VerletPoint>();
 
            for (int j = 0; j < pointCount.y; ++j)
            {
                for (int i = 0; i < pointCount.x; ++i)
                {
                    var position = topLeftPosition + new Vector2(separation * i, separation * j);
                    var point = world.CreatePoint();
                    point.Radius = pointRadius;
                    point.Visible = drawPoints;
                    point.MoveToPosition(position);
 
                    if (pinMode == PinModeEnum.AllCorners)
                    {
                        if ((j == 0 || j == pointCount.y - 1) && (i == 0 || i == pointCount.x - 1))
                        {
                            point.PinToCurrentPosition();
                        }
                    }
                    else if (pinMode == PinModeEnum.TopCorners)
                    {
                        if (j == 0 && (i == 0 || i == pointCount.x - 1))
                        {
                            point.PinToCurrentPosition();
                        }
                    }
                    else if (pinMode == PinModeEnum.Top)
                    {
                        if (j == 0)
                        {
                            point.PinToCurrentPosition();
                        }
                    }
 
                    points.Add(point);
                }
            }
 
            if (points.Count == 0)
            {
                GD.PrintErr("Bad points length for cloth. Need to be > 0");
                return;
            }
 
            for (int j = 0; j < pointCount.y; ++j)
            {
                for (int i = 0; i < pointCount.x; ++i)
                {
                    if (i > 0)
                    {
                        // Right to left
                        int pAIdx = i - 1 + (j * (int)pointCount.x);
                        int pBIdx = i + (j * (int)pointCount.x);
 
                        var link = world.CreateLink(points[pAIdx], points[pBIdx]);
                        link.RestingDistance = separation;
                        link.TearSensitivity = separation * tearSensitivityFactor;
                        link.Stiffness = stiffness;
                    }
 
                    if (j > 0)
                    {
                        // Bottom to top
                        int pAIdx = i + ((j - 1) * (int)pointCount.x);
                        int pBIdx = i + (j * (int)pointCount.x);
 
                        var link = world.CreateLink(points[pAIdx], points[pBIdx]);
                        link.RestingDistance = separation;
                        link.TearSensitivity = separation * tearSensitivityFactor;
                        link.Stiffness = stiffness;
                    }
                }
            }
        }

---

The documentation for this class was generated from the following file:

• scripts/verletphysics/VerletCloth.cs