Fix terminal velocity readout flickering to NaN while on the pad

JonnyOThan · JonnyOThan · commit 38a82c9e6e90 · 2023-02-14T16:33:18.000-05:00
diff --git a/RasterPropMonitor/Core/RPMVCEvaluators.cs b/RasterPropMonitor/Core/RPMVCEvaluators.cs
@@ -277,7 +277,7 @@ internal double FallbackEvaluateTerminalVelocity()
             Vector3 force = pureDragV + pureLiftV;
             double drag = Vector3.Dot(force, -vessel.srf_velocity.normalized);
 
-            return Math.Sqrt(localGeeDirect / drag) * vessel.srfSpeed;
+            return drag > 0 ? Math.Sqrt(localGeeDirect / drag) * vessel.srfSpeed : 0.0;
         }
 
         /// <summary>

Original file line number	Diff line number	Diff line change
`@@ -277,7 +277,7 @@ internal double FallbackEvaluateTerminalVelocity()`
`277`	`277`	`Vector3 force = pureDragV + pureLiftV;`
`278`	`278`	`double drag = Vector3.Dot(force, -vessel.srf_velocity.normalized);`
`279`	`279`
`280`		`- return Math.Sqrt(localGeeDirect / drag) * vessel.srfSpeed;`
	`280`	`+ return drag > 0 ? Math.Sqrt(localGeeDirect / drag) * vessel.srfSpeed : 0.0;`
`281`	`281`	`}`
`282`	`282`
`283`	`283`	`/// <summary>`