diff --git a/lib/IntersectionMath.js b/lib/IntersectionMath.js
index e69de29..8726f7b 100644
--- a/lib/IntersectionMath.js
+++ b/lib/IntersectionMath.js
@@ -0,0 +1,13 @@
+//find the intersection of a vector and a plane
+//pLX, pLY, pLZ are the components of the home point of the vector.
+//this will normally be the eye point but not necessarily.
+//u is a constant
+//dX, dY, dZ are the unit vector components of the line
+//pPX, pPY, pPZ are the components of the home point of the trianglular plane
+//nX, nY, nZ are the unit vector components of the triangle
+function getIntersection(pLX, pLY, pLZ, dX, dY, dZ, pPX, pPY, pPZ, nX, nY, nZ){
+	var crossProduct = crossProduct(dX, dY, dZ, nX, nY, nZ);
+
+	var point = [];
+	return point;
+}
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