diff --git a/html/images/space.svg b/html/images/space.svg
index 6c87419..26616e6 100644
--- a/html/images/space.svg
+++ b/html/images/space.svg
@@ -1135,40 +1135,6 @@ function isLandable(edge) {
   // return Object.is(slope(edge), +0);
 }
 
-function edgeContactPosition(xc, yc, x, y, edge, radius) {
-  const baseSlope = slope(edge);
-  // if (Object.is(baseSlope, 0)) s.isLanded = true;
-  let { xa, ya, xb, yb } = edge;
-  const positionSeg = { x1: x, y1: y, x2: xc, y2: yc };
-  const edgeSeg = { x1: xa, y1: ya, x2: xb, y2: yb };
-
-  drawLine(x, y, xc, yc, "green");
-
-  const baseNrmlIntxn = perpIntxn(baseSlope, xa, ya, x, y);
-  const basePosIntxn = lineIntxnPt(edgeSeg, positionSeg);
-
-  const baseSegLength = distance(baseNrmlIntxn.x, baseNrmlIntxn.y, basePosIntxn.x, basePosIntxn.y);
-  const normalSegLength = distance(baseNrmlIntxn.x, baseNrmlIntxn.y, x, y);
-
-  drawLine(baseNrmlIntxn.x, baseNrmlIntxn.y, basePosIntxn.x, basePosIntxn.y, "blue");
-  drawLine(baseNrmlIntxn.x, baseNrmlIntxn.y, x, y, "purple");
-
-  const theta = Math.atan(normalSegLength / baseSegLength);
-  const h = (radius)/ Math.sin(theta);
-
-  const cl = document.createElementNS(namespaceURIsvg, 'line');
-  cl.setAttribute('x1', basePosIntxn.x);
-  cl.setAttribute('y1', basePosIntxn.y);
-  cl.setAttribute('x2', x);
-  cl.setAttribute('y2', y);
-
-  const pt = cl.getPointAtLength(h);
-  drawLine(basePosIntxn.x, basePosIntxn.y, pt.x, pt.y, "yellow");
-
-  // return cl.getPointAtLength(h);
-  return pt;
-}
-
 function lineIntxnPt({ x1, y1, x2, y2 }, { x1: x3, y1: y3, x2: x4, y2: y4 }) {
   // https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection#Given_two_points_on_each_line
   const denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);