node based orbit circularization

library/lib_ascent.ks

@@ -60,6 +60,9 @@ declare function Ascent{
 	}else if circ = 3 {
 		lock steering to heading(head, 0, 270).
 		CreateCircularizationNode(apoapsis).
+		// if periapsis < targetOrbit and eta:apoapsis < orbit:period / 2{
+		// 	CreateCircularizationNode(apoapsis).
+		// }
 	}
 
 	set isDone to true.
@@ -115,6 +118,17 @@ local function CreateCircularizationNode{
 
 	wait until altitude > 80000.
 	local burnDv is CalculateCircularizationDV(tgt, orbit:semimajoraxis).
-	set circNode to Node(eta:apoapsis, 0, 0, burnDv).
+	set circNode to Node(time:seconds + eta:apoapsis, 0, 0, burnDv).
 	add circNode.
+	wait 0.01.
+	lock steering to circNode:burnvector.
+	local burnDuration is CalculateMultiStageBurnDuration(burnDv).
+	wait until circNode:eta <= burnDuration /2.
+	lock throttle to 1.
+	wait until nextNode:deltav:mag <= 10.
+	lock throttle  to 0.5.
+	wait until NEXTNODE:deltav:mag <= 1.
+	remove nextNode.
+	lock throttle to 0.
+	wait until throttle = 0.
 }