checkpoint manual support work

src/mode/fdm/client.js

@@ -7,9 +7,11 @@
     let KIRI = self.kiri,
         BASE = self.base,
         UTIL = BASE.util,
-        FDM = KIRI.driver.FDM;
+        FDM = KIRI.driver.FDM,
+        SPACE;
 
     FDM.init = function(kiri, api) {
+        SPACE = api.const.SPACE;
         api.event.on("settings.load", (settings) => {
             if (settings.mode !== 'FDM') return;
             settings.process.outputOriginCenter = (settings.device.originCenter || false);
@@ -18,6 +20,51 @@
             let proc = settings.process;
             api.ui.fdmSupport.marker.style.display = proc.sliceSupportEnable ? 'flex' : 'none';
         });
+        return;
+        api.feature.hover = true;
+        api.event.on("mouse.hover", (data) => {
+            const { int, type, point } = data;
+            if (SPACE._int1) {
+                SPACE.scene.remove(SPACE._int1);
+            }
+            addbox(point, 0xff0000, 'intZ');
+            let dir = new THREE.Vector3(0,1,0)
+            let ray = new THREE.Raycaster(point, dir);
+            // when on object, project down on downward faces
+            if (int && int.face && int.face.normal.z < -0.1) {
+                dir.y = -1;
+            }
+            let i2 = ray.intersectObjects(api.widgets.meshes(), false);
+            if (i2 && i2.length > 0) {
+                // prevent false matches close to origin of ray
+                i2 = i2.filter(i => i.distance > 0.01);
+                // prevent single point base to top matches
+                if (i2.length > 1) {
+                    i2 = i2[0].point;
+                    addbox(i2, 0x00ff00, 'intW');
+                }
+            }
+        });
+    }
+
+    function delbox(name) {
+        const old = SPACE[`__${name}`];
+        if (old) {
+            SPACE.scene.remove(old);
+        }
+    }
+
+    function addbox(point, color, name) {
+        delbox(name);
+        name = `__${name}`;
+        const box = SPACE[name] = new THREE.Mesh(
+            new THREE.BoxGeometry(1, 1, 1),
+            new THREE.MeshBasicMaterial({color})
+        );
+        box.position.x = point.x;
+        box.position.y = point.y;
+        box.position.z = point.z;
+        SPACE.scene.add(box);
     }
 
 })();