From 0a5f5797d502674e68a6fda67a9bf5f5017738d1 Mon Sep 17 00:00:00 2001
From: Bill Kuker <bkuker@billkuker.com>
Date: Tue, 14 Apr 2009 19:07:57 +0000
Subject: [PATCH] Added end light delay

---
 .../billkuker/rocketry/motorsim/grain/ExtrudedGrain.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/com/billkuker/rocketry/motorsim/grain/ExtrudedGrain.java b/src/com/billkuker/rocketry/motorsim/grain/ExtrudedGrain.java
index 81b0563..fb5bd5b 100644
--- a/src/com/billkuker/rocketry/motorsim/grain/ExtrudedGrain.java
+++ b/src/com/billkuker/rocketry/motorsim/grain/ExtrudedGrain.java
@@ -14,13 +14,18 @@ public abstract class ExtrudedGrain extends MotorPart implements Grain {
 	private boolean foreEndInhibited = false;
 	private boolean aftEndInhibited = false;
 	private Amount<Length> length = Amount.valueOf(100, SI.MILLIMETER);
+	private Amount<Length> endLight = Amount.valueOf(0, SI.MILLIMETER);
 	
-	protected int numberOfBurningEnds(){
+	protected int numberOfBurningEnds(Amount<Length> regression){
+		if ( regression.isLessThan(endLight) )
+			return 0;
 		return (foreEndInhibited?0:1) + (aftEndInhibited?0:1);
 	}
 	
 	protected Amount<Length> regressedLength(Amount<Length> regression){
-		return length.minus(regression.times(numberOfBurningEnds()));
+		if ( regression.isLessThan(endLight) )
+			return length;
+		return length.minus(regression.minus(endLight).times(numberOfBurningEnds(regression)));
 	}
 
 	public boolean isForeEndInhibited() {
-- 
2.47.2