public void UpdateOBB(OBBStructureMode mode)
{
Matrix4x4 m = transform.localToWorldMatrix;
if (MathUtil.IsOnlyContainTranslation(matrix, m) && this.mode == mode)
{
Vector3 translation = MathUtil.GetTranslation(matrix, m);
transformCenter += translation;
}
else
{
if (mode == OBBStructureMode.Eigen)
{
StructureOBB(mode, m);
}
else if (mode == OBBStructureMode.AABB)
{
if (this.mode != mode)
{
StructureOBB(mode, m);
}
UpdateOBB(m);
}
this.mode = mode;
}
matrix = m;
}
public void UpdateOBB(OBBStructureMode mode)
{
Matrix4x4 m = transform.localToWorldMatrix;
if (MathUtil.IsOnlyContainTranslation(matrix, m) && this.mode == mode)
{
Vector3 translation = MathUtil.GetTranslation(matrix, m);
transformCenter += translation;
}
else
{
if (mode == OBBStructureMode.Eigen)
{
StructureOBB(mode, m);
}
else if (mode == OBBStructureMode.AABB)
{
if (this.mode != mode)
{
StructureOBB(mode, m);
}
for (int i = 0; i < 3; i++)
{
Vector3 tmp = Vector3.zero;
tmp[i] = 1;
axis[i] = m * tmp;
}
transformCenter = m * MathUtil.Vector4(center, 1);
Vector3 scale;
if (MathUtil.IsContainScale(m, out scale))
{
for (int i = 0; i < 3; i++)
{
axis[i] /= scale[i];
transformRadius[i] = radius[i] * scale[i];
}
}
else
{
transformRadius = radius;
}
}
this.mode = mode;
}
matrix = m;
}
void StructureOBB(OBBStructureMode mode, Matrix4x4 local2world)
{
switch (mode)
{
case OBBStructureMode.Eigen:
EigenOBB(local2world);
break;
case OBBStructureMode.AABB:
AABBOBB();
break;
}
transformCenter = center;
transformRadius = radius;
}
public OBB(Transform transform, OBBStructureMode mode)
{
this.transform = transform;
this.mode = mode;
switch (mode)
{
case OBBStructureMode.Eigen:
matrix = transform.localToWorldMatrix;
break;
case OBBStructureMode.AABB:
matrix = Matrix4x4.identity;
break;
}
StructureOBB(mode, matrix);
}
