public void Connect()
{
if (sbond == null)
{
return;
}
sbond.GetComponent <Renderer>().material = Resources.Load("_Materials/Default") as Material;
Destroy(satom);
// get molecules and atoms
Molecule m1 = catom.GetComponentInParent <Molecule>();
Molecule m2 = GetComponentInParent <Molecule>();
Atom a1 = catom.GetComponent <Atom>();
Atom a2 = GetComponent <Atom>();
//set sbond's parent to molecule
sbond.transform.parent = catom.transform.parent;
// 更新目标原子的vbond,标记一个化学键为已使用,抓取原子的vbond由之后的getAngle()函数更新
a1.setVbondUsed(catomBondIndex);
//move and rotate grabbed atom to fix positon
//translate
transform.parent.transform.position += expectedPos - transform.position;
//rotate
Vector3 vec1 = (sbond.transform.position - catom.transform.position).normalized;
Vector3 vec2 = (transform.TransformDirection(a2.getAngle(selfBondIndex))).normalized;
float an = 180 - Vector3.Angle(vec1, vec2);
if (vec1 == vec2)
{
Vector3 axis = CaculateUtil.GetVerticalDir(vec1);
transform.parent.transform.RotateAround(transform.position, axis, 180);
}
else
{
transform.parent.transform.RotateAround(transform.position, Vector3.Cross(vec1, vec2), an);
}
//then merge two molecules
MergeTwoMolecules(catom.transform.parent.gameObject, transform.parent.gameObject);
//set abstract bond
Bond b = sbond.AddComponent <Bond>();
b.A1 = a1.gameObject;
b.A2 = a2.gameObject;
b.A1Index = catomBondIndex;
b.A2Index = selfBondIndex;
b.Type = BondType.SINGLE;
a1.addBond(sbond);
a2.addBond(sbond);
sbond = null;
}
private void ConnectAsChain(GameObject atom1, GameObject atom2)
{
int a1Index = -1, a2Index = -1;
Atom a1 = atom1.GetComponent <Atom>();
Atom a2 = atom2.GetComponent <Atom>();
Vector3 a1Dir = a1.getAngle(a1Index);
Vector3 a2Dir = a2.getAngle(a2Index);
float length = GetBondLength(a1, a2);
GameObject prefebBond = (GameObject)Resources.Load("_Prefebs/SingleBond") as GameObject;
GameObject bond = Instantiate(prefebBond);
bond.GetComponent <Renderer>().material = Resources.Load("_Materials/Default") as Material;
Vector3 transformedDirection = atom1.transform.TransformDirection(new Vector3(a1Dir.x, a1Dir.y, a1Dir.z));
bond.transform.position = Vector3.Lerp(atom1.transform.position, atom1.transform.position + transformedDirection * length, 0.5f);
bond.transform.parent = atom1.transform.parent;
//bond
Vector3 scale = prefebBond.transform.lossyScale;
scale.y = length * 0.5f;
bond.transform.localScale = scale;
bond.transform.LookAt(atom1.transform.position);
bond.transform.Rotate(new Vector3(90, 0, 0));
//atom2
Vector3 Atom2expectedPos = atom1.transform.position + 2 * (bond.transform.position - atom1.transform.position);
atom2.transform.parent.transform.position += Atom2expectedPos - atom2.transform.position;
//rotate
Vector3 vec1 = (bond.transform.position - atom1.transform.position).normalized;
Vector3 vec2 = (atom2.transform.TransformDirection(a2Dir)).normalized;
float an = 180 - Vector3.Angle(vec1, vec2);
if (vec1 == vec2)
{
print("rotate 180");
Vector3 axis = CaculateUtil.GetVerticalDir(vec1);
atom2.transform.parent.transform.RotateAround(atom2.transform.position, axis, 180);
}
else
{
atom2.transform.parent.transform.RotateAround(atom2.transform.position, Vector3.Cross(vec1, vec2), an);
}
MergeTwoMolecules(atom1.transform.parent.gameObject, atom2.transform.parent.gameObject);
//set abstract bond
Bond b = bond.AddComponent <Bond>();
bond.AddComponent <BondsAction>();
b.A1 = a1.gameObject;
b.A2 = a2.gameObject;
b.A1Index = a1Index;
b.A2Index = a2Index;
b.Type = BondType.SINGLE;
a1.addBond(bond);
a2.addBond(bond);
}
