snapping interact target

1 files changed, 19 insertions, 3 deletions

diff --git a/test-client/main.ts b/test-client/main.ts
index 5d3a6d11..2e14fc04 100644
--- a/test-client/main.ts
+++ b/test-client/main.ts
@@ -359,10 +359,26 @@ export function get_interact_target(): V2 | undefined {
     if (interacting) return interacting
     const me = players.get(my_id)
     if (!me) return
-    return {
-        x: Math.floor(me.position.x + Math.sin(me.rot)),
-        y: Math.floor(me.position.y + Math.cos(me.rot))
+    const rx = me.position.x + Math.sin(me.rot) * 0.7
+    const ry = me.position.y + Math.cos(me.rot) * 0.7
+    const bx = Math.floor(rx)
+    const by = Math.floor(ry)
+    let best = { x: bx, y: by }
+    let best_d = 100
+    for (let ox = -1; ox <= 1; ox++) for (let oy = -1; oy <= 1; oy++) {
+        const t = tiles.get([bx + ox, by + oy] + "")
+        if (!t) continue
+        if (data.tile_interact[t.kind]) {
+            const dx = rx - (bx + ox + 0.5)
+            const dy = ry - (by + oy + 0.5)
+            const d = Math.sqrt(dx * dx + dy * dy)
+            if (d < 1.5 && d < best_d) {
+                best_d = d
+                best = { x: bx + ox, y: by + oy }
+            }
+        }
     }
+    return best
 }
 
 function set_interact(edge: boolean) {