#112 Add time and speed at impact

spec/devalaison/jet.spec.ts

@@ -3,7 +3,7 @@ import { JetParams } from "../../src/devalaison/jet_params";
 
 function newJet(): Jet {
     return new Jet(
-        new JetParams(5, 0.03, 77.87219452081568, 19.83704632206701),
+        new JetParams(5, 0.03, 77.8803, 19.991),
         false
     );
 }
@@ -20,7 +20,11 @@ fdescribe("Class Jet", () => {
                 jet.calculatedParam = jet.getParameter(p.symbol);
                 const ref: number = p.currentValue;
                 jet.calculatedParam.singleValue = jet.calculatedParam.singleValue / 10;
-                expect(jet.CalcSerie().vCalc).toBeCloseTo(ref, 2);
+                expect(jet.CalcSerie().vCalc).toBeCloseTo(ref, 3);
+                expect(jet.result.values.t).toBeCloseTo(4, 3);
+                expect(jet.result.values.Vx).toBeCloseTo(4.9978, 3);
+                expect(jet.result.values.Vz).toBeCloseTo(-39.0901, 3);
+                expect(jet.result.values.Vt).toBeCloseTo(39.4083, 3);
             });
         }
     }

src/devalaison/jet.ts

@@ -12,12 +12,25 @@ export class Jet extends Nub {
         return this._prms as JetParams;
     }
 
+    public Calc(sVarCalc: string, rInit?: number): Result {
+        this.currentResult = super.Calc(sVarCalc, rInit);
+        this.result.resultElement.values.t = this.prms.D.V / Math.cos(this.alpha) / this.prms.V0.V;
+        this.result.resultElement.values.Vx = this.prms.V0.V * Math.cos(this.alpha);
+        this.result.resultElement.values.Vz =
+            this.prms.V0.V * Math.sin(this.alpha) - this.result.resultElement.values.t * 9.81;
+        this.result.resultElement.values.Vt = Math.sqrt(
+            Math.pow(this.result.resultElement.values.Vx, 2)
+            + Math.pow(this.result.resultElement.values.Vz, 2)
+        );
+        return this.result;
+    }
+
     public Equation(sVarCalc: string): Result {
         const g: number = 9.81;
         let alpha: number;
         if (sVarCalc !== "S") {
             // Positive slope for negative angle
-            alpha = Math.asin(-this.prms.S.v);
+            alpha = this.alpha;
         }
         let v: number;
         switch (sVarCalc) {
@@ -43,4 +56,8 @@ export class Jet extends Nub {
         this.prms.H.calculability = ParamCalculability.EQUATION;
         this.prms.D.calculability = ParamCalculability.EQUATION;
     }
+
+    private get alpha(): number {
+        return Math.asin(this.prms.S.v);
+    }
 }