add preferences for auto-center and auto-floor

src/mesh/api.js

@@ -490,6 +490,8 @@ let prefs = {
             scale_group_Z: true
         },
         space: {
+            center: true,
+            floor: true,
             wire: false,
             grid: true,
             dark: false,

src/mesh/build.js

@@ -182,13 +182,24 @@ gapp.broker.subscribe("mesh.log", log.emit);
 
 // bind settings endpoint to api
 api.settings = function() {
-    modal.show('settings', h.div([
+    let { prefs } = api;
+    let { space } = prefs.map;
+    modal.show('settings', h.div({ class: "settings" }, [
         h.label('dark mode'),
-        h.input({
-            type: "checkbox",
+        h.input({ type: "checkbox",
             onchange: ev => call.set_darkmode(ev.target.checked),
-            [ api.prefs.map.space.dark ? 'checked' : 'unchecked' ] : 1
-        })
+            [ space.dark ? 'checked' : 'unchecked' ] : 1
+        }),
+        h.label('auto floor'),
+        h.input({ type: "checkbox",
+            onchange: ev => prefs.save( space.floor = !space.floor ),
+            [ space.floor !== false ? 'checked' : 'unchecked' ] : 1
+        }),
+        h.label('auto center'),
+        h.input({ type: "checkbox",
+            onchange: ev => prefs.save( space.center = !space.center ),
+            [ space.center !== false ? 'checked' : 'unchecked' ] : 1
+        }),
     ]));
 }
 

src/mesh/group.js

@@ -99,14 +99,17 @@ mesh.group = class MeshGroup extends mesh.object {
 
     promote() {
         this.centerModels();
-        let { dim } = this.bounds;
+        let { dim, mid } = this.bounds;
         let { x, y, z } = dim;
         let max = Math.max(x, y, z);
         if (max < 2) {
             mesh.api.log.emit(`auto-scaling import from ${max.round(5)}`);
             this.scale(1000, 1000, 1000);
         }
-        return this.centerXY().floor();
+        let { center, floor } = mesh.api.prefs.map.space;
+        if (center !== false) this.centerXY();
+        if (floor !== false) this.floor();
+        return this;
     }
 
     scale(x = 1, y = 1, z = 1) {
@@ -123,6 +126,11 @@ mesh.group = class MeshGroup extends mesh.object {
         for (let model of this.models) {
             model.center(bounds);
         }
+        let { center } = mesh.api.prefs.map.space;
+        if (center === false) {
+            let { mid } = bounds;
+            this.move(mid.x, mid.y, mid.z);
+        }
         return this;
     }