public void OnCollisionEnter(Collision col)
{
if (ignoreColliders.Contains(col.collider))
{
ignoreColliders.Remove(col.collider);
return;
}
Cuttable cuttable;
if (!col.gameObject.TryGetComponent <Cuttable>(out cuttable))
{
return;
}
Vector3 cutDir = directionsAreNormals
? TransformNormal(cutDirection, transform)
: transform.TransformDirection(cutDirection);
float relVel = (col.relativeVelocity - Vector3.Project(col.relativeVelocity, cutDir)).magnitude;
// Debug.Log("vel: "+relVel);
// Debug.DrawRay(col.GetContact(0).point,col.relativeVelocity-Vector3.Project(col.relativeVelocity,cutDir)/relVel,Color.blue,1);
if (minimumVelocity > relVel)
{
return;
}
Vector3 dir = omnidirectionalMode
? -col.relativeVelocity
: cutDir;
Vector3 edge = directionsAreNormals
? TransformNormal(edgeDirection, transform)
: transform.TransformDirection(edgeDirection);
Vector3 angleProjection = Vector3.ProjectOnPlane(gameObject.GetComponentInParent <Rigidbody>().velocity, edge);
// Debug.Log("angle: "+Vector3.Angle(angleProjection,cutDir));
// if (Vector3.Angle(angleProjection,cutDir) > 70) Debug.Break();
// Debug.DrawRay(col.GetContact(0).point,angleProjection,Color.red,1);
// Debug.DrawRay(col.GetContact(0).point,cutDir,Color.green,1);
// Debug.DrawRay(col.GetContact(0).point,-col.relativeVelocity,Color.blue,1);
if (Vector3.Angle(angleProjection, cutDir) > maxAngle)
{
return;
}
Vector3 normal = Vector3.Cross(dir, edge).normalized;
Vector3 pointInPlane = useContactPoint
? col.GetContact(0).point
: transform.position;
CuttingPlane plane = CuttingPlane.InWorldSpace(normal, pointInPlane);
CutParams param = new CutParams(
cuttable.checkForHoles,
true,
cuttable.closeOpenSurfaces,
cuttable.allowOpenSurfaces,
Vector3.zero, float.PositiveInfinity, 0,
cuttable.innerTextureCoordinate
);
CutResult result = PerformCut(col.gameObject, plane, param);
if (result != null)
{
if (cuttable.polySeparate)
{
result.PolySeparate();
}
result.DestroyObject();
foreach (CutObj res in result.Results)
{
GameObject resObj = res
.UseDefaults()
.WithDriftVelocity(driftVelocity)
.WithSeperationDistance(seperationDistance)
.WithRingWidth(cuttable.highlightWidth)
.WithRingColor(cuttable.highLightColor)
.FallbackToColor(new Color(1, 0.1f, 0.1f))
.Instantiate();
cuttable.CopyTo(resObj);
ignoreColliders.Add(resObj.GetComponent <Collider>());
}
}
}
List <GameObject> IterativeCut(GameObject obj, int count)
{
CutParams param = new CutParams(true, false, false, false, Vector3.zero, float.PositiveInfinity, 0, Vector3.zero);
try {
Vector3 pos = obj.transform.position;
Collider col;
if (obj.TryGetComponent <Collider>(out col))
{
pos = col.bounds.center;
}
CutResult res = API.PerformCut(obj, CuttingPlane.RandomInWorldSpace(obj.transform.position), param);
if (res == null)
{
return new List <GameObject>()
{
obj
}
}
;
res.DestroyObject();
res.PolySeparate();
if (count > 1)
{
List <GameObject> ret = new List <GameObject>();
foreach (CutObj robj in res.Results)
{
ret.AddRange(
IterativeCut(
robj
.CopyParent()
.CopyMaterial()
.CopyVelocity()
.CopyDensity()
.WithCollider()
.WithDriftVelocity(0.2f)
.Instantiate(),
count - 1
)
);
}
return(ret);
}
else
{
return(res.ConvertAll(
robj =>
robj
.CopyParent()
.CopyMaterial()
.WithCollider()
.WithRenderer()
.CopyVelocity()
.CopyDensity()
.WithDriftVelocity(0.2f)
.Instantiate()
));
}
} catch (MeshUtilsException e) {
Debug.LogWarning(e);
obj.AddComponent <Rigidbody>();
obj.AddComponent <MeshRenderer>();
obj.AddComponent <MeshCollider>();
return(new List <GameObject>()
{
obj
});
}
}
