static MethodResult AngleOfVectors(bool isGlobal, object[] parameters)
{
var eventPlayer = new V_EventPlayer();
Var a = Var.AssignVar(isGlobal);
Var b = Var.AssignVar(isGlobal);
Var c = Var.AssignVar(isGlobal);
Var ab = Var.AssignVar(isGlobal);
Var bc = Var.AssignVar(isGlobal);
Var abVec = Var.AssignVar(isGlobal);
Var bcVec = Var.AssignVar(isGlobal);
Var abNorm = Var.AssignVar(isGlobal);
Var bcNorm = Var.AssignVar(isGlobal);
Element zeroVec = Element.Part <V_Vector>(new V_Number(0), new V_Number(0), new V_Number(0));
return(new MethodResult
(
new Element[]
{
// Save A
a.SetVariable((Element)parameters[0], eventPlayer),
// Save B
b.SetVariable((Element)parameters[1], eventPlayer),
// save C
c.SetVariable((Element)parameters[2], eventPlayer),
// get ab
// ab[3] = { b[0] - a[0], b[1] - a[1], b[2] - a[2] };
ab.SetVariable(
Element.Part <V_Vector>
(
Element.Part <V_Subtract>(Element.Part <V_XOf>(b.GetVariable()), Element.Part <V_XOf>(a.GetVariable())),
Element.Part <V_Subtract>(Element.Part <V_YOf>(b.GetVariable()), Element.Part <V_YOf>(a.GetVariable())),
Element.Part <V_Subtract>(Element.Part <V_ZOf>(b.GetVariable()), Element.Part <V_ZOf>(a.GetVariable()))
), eventPlayer),
// get bc
// bc[3] = { c[0] - b[0], c[1] - b[1], c[2] - b[2] };
bc.SetVariable(
Element.Part <V_Vector>
(
Element.Part <V_Subtract>(Element.Part <V_XOf>(c.GetVariable()), Element.Part <V_XOf>(b.GetVariable())),
Element.Part <V_Subtract>(Element.Part <V_YOf>(c.GetVariable()), Element.Part <V_YOf>(b.GetVariable())),
Element.Part <V_Subtract>(Element.Part <V_ZOf>(c.GetVariable()), Element.Part <V_ZOf>(b.GetVariable()))
), eventPlayer),
// get abVec
// abVec = sqrt(ab[0] * ab[0] + ab[1] * ab[1] + ab[2] * ab[2]);
abVec.SetVariable(
Element.Part <V_DistanceBetween>
(
ab.GetVariable(),
zeroVec
), eventPlayer),
// get bcVec
// bcVec = sqrt(bc[0] * bc[0] + bc[1] * bc[1] + bc[2] * bc[2]);
bcVec.SetVariable(
Element.Part <V_DistanceBetween>
(
bc.GetVariable(),
zeroVec
), eventPlayer),
// get abNorm
// abNorm[3] = {ab[0] / abVec, ab[1] / abVec, ab[2] / abVec};
abNorm.SetVariable(
Element.Part <V_Vector>
(
Element.Part <V_Divide>(Element.Part <V_XOf>(ab.GetVariable()), abVec.GetVariable()),
Element.Part <V_Divide>(Element.Part <V_YOf>(ab.GetVariable()), abVec.GetVariable()),
Element.Part <V_Divide>(Element.Part <V_ZOf>(ab.GetVariable()), abVec.GetVariable())
), eventPlayer),
// get bcNorm
// bcNorm[3] = {bc[0] / bcVec, bc[1] / bcVec, bc[2] / bcVec};
bcNorm.SetVariable(
Element.Part <V_Vector>
(
Element.Part <V_Divide>(Element.Part <V_XOf>(bc.GetVariable()), bcVec.GetVariable()),
Element.Part <V_Divide>(Element.Part <V_YOf>(bc.GetVariable()), bcVec.GetVariable()),
Element.Part <V_Divide>(Element.Part <V_ZOf>(bc.GetVariable()), bcVec.GetVariable())
), eventPlayer),
},
// get res
// res = abNorm[0] * bcNorm[0] + abNorm[1] * bcNorm[1] + abNorm[2] * bcNorm[2];
//target.SetVariable(
Element.Part <V_Add>
(
Element.Part <V_Add>
(
Element.Part <V_Multiply>(Element.Part <V_XOf>(abNorm.GetVariable()), Element.Part <V_XOf>(bcNorm.GetVariable())),
Element.Part <V_Multiply>(Element.Part <V_YOf>(abNorm.GetVariable()), Element.Part <V_YOf>(bcNorm.GetVariable()))
),
Element.Part <V_Multiply>(Element.Part <V_ZOf>(abNorm.GetVariable()), Element.Part <V_ZOf>(bcNorm.GetVariable()))
),
CustomMethodType.MultiAction_Value
));
}