Clazz.declarePackage("JM");
Clazz.load(["JM.ProteinStructure"], "JM.Sheet", ["JU.Measure", "$.P3", "$.V3", "J.c.STR"], function(){
var c$ = Clazz.decorateAsClass(function(){
this.widthUnitVector = null;
this.heightUnitVector = null;
Clazz.instantialize(this, arguments);}, JM, "Sheet", JM.ProteinStructure);
Clazz.makeConstructor(c$, 
function(apolymer, monomerIndex, monomerCount, subtype){
Clazz.superConstructor (this, JM.Sheet, []);
this.incrementID();
this.setupPS(apolymer, J.c.STR.SHEET, monomerIndex, monomerCount);
this.subtype = subtype;
}, "JM.AlphaPolymer,~N,~N,J.c.STR");
Clazz.overrideMethod(c$, "calcAxis", 
function(){
if (this.axisA != null) return;
if (this.nRes == 2) {
this.axisA = this.apolymer.getLeadPoint(this.monomerIndexFirst);
this.axisB = this.apolymer.getLeadPoint(this.monomerIndexFirst + 1);
} else {
this.axisA =  new JU.P3();
this.apolymer.getLeadMidPoint(this.monomerIndexFirst + 1, this.axisA);
this.axisB =  new JU.P3();
this.apolymer.getLeadMidPoint(this.monomerIndexFirst + this.nRes - 1, this.axisB);
}this.axisUnitVector =  new JU.V3();
this.axisUnitVector.sub2(this.axisB, this.axisA);
this.axisUnitVector.normalize();
var tempA =  new JU.P3();
this.apolymer.getLeadMidPoint(this.monomerIndexFirst, tempA);
if (this.notHelixOrSheet(this.monomerIndexFirst - 1)) JU.Measure.projectOntoAxis(tempA, this.axisA, this.axisUnitVector, this.vectorProjection);
var tempB =  new JU.P3();
this.apolymer.getLeadMidPoint(this.monomerIndexFirst + this.nRes, tempB);
if (this.notHelixOrSheet(this.monomerIndexFirst + this.nRes)) JU.Measure.projectOntoAxis(tempB, this.axisA, this.axisUnitVector, this.vectorProjection);
this.axisA = tempA;
this.axisB = tempB;
});
Clazz.defineMethod(c$, "notHelixOrSheet", 
function(i){
return (i < 0 || i >= this.apolymer.monomerCount || !this.apolymer.monomers[i].isHelix() && !this.apolymer.monomers[i].isSheet());
}, "~N");
Clazz.defineMethod(c$, "calcSheetUnitVectors", 
function(){
if (!(Clazz.instanceOf(this.apolymer,"JM.AminoPolymer"))) return;
if (this.widthUnitVector == null) {
var vectorCO =  new JU.V3();
var vectorCOSum =  new JU.V3();
var amino = this.apolymer.monomers[this.monomerIndexFirst];
vectorCOSum.sub2(amino.getCarbonylOxygenAtom(), amino.getCarbonylCarbonAtom());
for (var i = this.nRes; --i > this.monomerIndexFirst; ) {
amino = this.apolymer.monomers[i];
vectorCO.sub2(amino.getCarbonylOxygenAtom(), amino.getCarbonylCarbonAtom());
if (vectorCOSum.angle(vectorCO) < 1.5707964) vectorCOSum.add(vectorCO);
 else vectorCOSum.sub(vectorCO);
}
this.heightUnitVector = vectorCO;
this.heightUnitVector.cross(this.axisUnitVector, vectorCOSum);
this.heightUnitVector.normalize();
this.widthUnitVector = vectorCOSum;
this.widthUnitVector.cross(this.axisUnitVector, this.heightUnitVector);
}});
Clazz.defineMethod(c$, "setBox", 
function(w, h, pt, vW, vH, ptC, scale){
if (this.heightUnitVector == null) this.calcSheetUnitVectors();
vW.setT(this.widthUnitVector);
vW.scale(scale * w);
vH.setT(this.heightUnitVector);
vH.scale(scale * h);
ptC.ave(vW, vH);
ptC.sub2(pt, ptC);
}, "~N,~N,JU.P3,JU.V3,JU.V3,JU.P3,~N");
});
;//5.0.1-v7 Thu Feb 05 13:38:23 CST 2026
