From 722e8172ab59b0f0821ca1428c2fe709e38e8f5b Mon Sep 17 00:00:00 2001
From: Catalin Constantin Mititiuc <webdevcat@proton.me>
Date: Thu, 25 Dec 2025 16:57:10 -0800
Subject: [PATCH] Land

---
 html/images/space.svg | 45 ++++++++++++++++++++++---------------------
 1 file changed, 23 insertions(+), 22 deletions(-)

diff --git a/html/images/space.svg b/html/images/space.svg
index d57e1fa..7790a7a 100644
--- a/html/images/space.svg
+++ b/html/images/space.svg
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg viewBox="-200 -150 400 300" version="1.1" xmlns="http://www.w3.org/2000/svg">
+<!-- <svg viewBox="-200 -150 400 300" version="1.1" xmlns="http://www.w3.org/2000/svg"> -->
+<svg viewBox="-10 -10 50 50" version="1.1" xmlns="http://www.w3.org/2000/svg">
   <style>
     foreignObject {
       font-size: 4pt;
@@ -155,6 +156,7 @@
       acceleration: { x: 0, y: 0 },
       rotate: 0,
       collision: null,
+      isLanded: false,
       node: null
     };
 
@@ -422,7 +424,7 @@
     }
 
     function isLandable(edge) {
-      console.log("edge", edge, "slope", slope(edge));
+      // console.log("edge", edge, "slope", slope(edge));
       return Object.is(slope(edge), +0);
     }
 
@@ -442,7 +444,9 @@
       const s = (1 / 2) * (da + db + dc);
       const hc = (2 / dc) * Math.sqrt(s * (s - da) * (s - db) * (s - dc));
 
-      return hc <= shipRadius;
+      return +hc.toFixed(2) <= shipRadius;
+      // console.log("hc", );
+      // return hc <= shipRadius;
     }
 
     function detectCornerCollision([xc, yc], [x, y]) {
@@ -518,29 +522,26 @@
 
       const changeX = 0.001 * elapsed * velocityX;
       const changeY = 0.001 * elapsed * velocityY;
+      // console.log("ship position", s.position);
 
       let { x, y } = s.position;
       let position = [positionX, positionY] = restart ? [0, 0] : wrapPos(changeX + x, changeY + y);
       s.collision = detectCollisions(position, allWallCorners, findAllEdges(allEdgePts, position), getCollisionEdges(edgeszz, position));
 
       if (s.collision && !isLandable(s.collision.edge)) {
-        // console.log("collision detected", s.collision, "slope", Object.is(slope(s.collision.edge), +0));
-        // console.log("isLandable()", isLandable(s.collision.edge));
+        console.log("a");
         s.velocity = { x: 0, y: 0 };
-        // s.position = { x: 0, y: 0 }
-        // s.node.style.transform = `translate(${0}px, ${0}px)`;
-        // s.position = { x: positionX, y: positionY }
-
-        console.log("ship", s);
       } else if (s.collision) {
-        console.log("ship landed", s);
-        s.velocity = { x: 0, y: 0 };
+        console.log("b", position, s.position);
 
-        s.collision = null;
-        s.position = { x: positionX, y: positionY }
-      // ship.style.transform = `translate(${positionX}px, ${positionY}px)`;
-        s.node.style.transform = `translate(${positionX}px, ${positionY}px)`;
+        s.velocity = { x: 0, y: 0 };
+        s.position.y = Math.trunc(s.collision.edge.ya - 5);
+        s.isLanded = true;
+        s.node.style.transform = `translate(${s.position.x}px, ${s.position.y}px)`;
+        // console.log("ship landed", s, "edge", s.collision.edge.ya);
       } else {
+        console.log("c");
+
         s.position = { x: positionX, y: positionY }
         s.node.style.transform = `translate(${positionX}px, ${positionY}px)`;
       }
@@ -573,7 +574,7 @@
       rotate = 0;
 
       [...edgeContainer.children].forEach(c => c.remove());;
-      drawAllEdges(edgePts);
+      // drawAllEdges(edgePts);
       allStartingEdges = findAllEdges(edgePts, position);
       ship.style.transform = "";
       walls.forEach(w => w.setAttribute('fill', 'black'));
@@ -612,7 +613,7 @@
       // position = updateShip(s, elapsed);
       updateShip(s, elapsed);
       updateBullets(elapsed);
-      updateEdges(position);
+      // updateEdges(position);
       if (drawCollisionLines) updateTriangles(position);
 
       // const collision = detectCollisions(position, allWallCorners, findAllEdges(allEdgePts, position), getCollisionEdges(edgeszz, position));
@@ -620,8 +621,8 @@
       // console.log("collision", collision && collision.hasOwnProperty("edge"));
       // console.log("landable?", isLandable(collision));
 
-      console.log("collision", s.collision);
-      if (s.collision) {
+      // console.log("collision", s.collision);
+      if (s.collision && !s.isLanded) {
         started = false;
         isReadingKeys = false;
         walls.forEach(w => w.setAttribute('fill', 'red'));
@@ -635,8 +636,8 @@
         time.innerText = 0;
       }
 
-      const finished = edgeContainer.childElementCount <= 0;
-      if (finished) started = false;
+      // const finished = edgeContainer.childElementCount <= 0;
+      // if (finished) started = false;
 
       if (started) {
         time.innerText = ((timestamp - zeroForTimer) * 0.001).toFixed(3);