From a45b364a80b1373ab8645319714afe8062230e59 Mon Sep 17 00:00:00 2001
From: bluesaxman <bluesaxman@murkfall.net>
Date: Thu, 10 Nov 2022 13:30:20 -0700
Subject: [PATCH] Added outOfBoundsBy method to bound, and modified modValue of
 boundValue, this change breaks previous useages of boundValue

---
 libs/bluemath.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/libs/bluemath.js b/libs/bluemath.js
index 2530997..c1c12a2 100644
--- a/libs/bluemath.js
+++ b/libs/bluemath.js
@@ -191,6 +191,20 @@ class bound {
 		if (valueArray.length != this.min.length) { return [...this.min.map((v,i) => Math.min(Math.max(0, v), this.max[i]))]; }
 		return valueArray.map((value,index) => Math.min(Math.max(value,this.min[index]),this.max[index]));
 	}
+
+	outOfBoundsBy(valueArray=[...this.min.map(v => 0)]) {
+		if (this.inbounds(valueArray)) {
+			return [...this.min.map(e=>0)];
+		} else {
+			return this.min.map((value,index)=>{
+				if (undefined == valueArray[index]) { return NaN }
+				if (valueArray[index] < value) { return -(value - valueArray[index]) }
+				if (valueArray[index] > this.max[index]) { return valueArray[index] - this.max[index] }
+				return 0;
+			});
+		}
+	}
+
 }
 
 class boundValue {
@@ -214,7 +228,8 @@ class boundValue {
 
 	modValue(mod=0) {
 		mod = !isNaN(mod) ? mod : 0;
-		return this.setValue(this.value+mod);
+		var outOfBoundsBy = this.bounds.outOfBoundsBy([this.value+mod]);
+		return {newValue:this.setValue(this.value+mod),remainder:outOfBoundsBy};
 	}
 }