From 466c389b8977308df983f0d5ac5352f0751bb1e7 Mon Sep 17 00:00:00 2001
From: Stewart Allen <sa@grid.space>
Date: Mon, 3 Jan 2022 00:43:35 -0500
Subject: [PATCH] allow meta + click to focus camera for better navigation

---
 src/main/mesh.js | 8 ++++++--
 src/mesh/api.js  | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/main/mesh.js b/src/main/mesh.js
index bd670d80..6ad5c869 100644
--- a/src/main/mesh.js
+++ b/src/main/mesh.js
@@ -236,8 +236,12 @@ function space_init(data) {
             if (model) {
                 let group = model.group;
                 let { ctrlKey, metaKey, shiftKey } = event;
-                // lay flat with meta or ctrl clicking a selected face
-                if ((ctrlKey || metaKey)) {
+                if (metaKey) {
+                    // set focus on intersected face
+                    let { x, y, z } = int.point;
+                    api.focus({center: { x, y:-z, z:y }});
+                } else if (ctrlKey) {
+                    // lay flat when ctrl clicking a selected face
                     let q = new THREE.Quaternion();
                     // find intersecting point, look "up" on Z and rotate to face that
                     q.setFromUnitVectors(int.face.normal, new THREE.Vector3(0,0,-1));
diff --git a/src/mesh/api.js b/src/mesh/api.js
index 084b707a..2bf89ef5 100644
--- a/src/mesh/api.js
+++ b/src/mesh/api.js
@@ -225,9 +225,9 @@ let api = mesh.api = {
         }
     },
 
-    // @param object {THREE.Object3D | THREE.Object3D[]}
+    // @param object {THREE.Object3D | THREE.Object3D[] | Point}
     focus(object) {
-        let { center } = util.bounds(object);
+        let { center } = object.center ? object : util.bounds(object);
         // when no valid objects supplied, set origin
         if (isNaN(center.x * center.y * center.z)) {
             center = { x: 0, y: 0, z: 0 };