first commit

src/modules/home/modify/translate.rs

@@ -0,0 +1,109 @@
+// Move tool — ribbon definition + interactive command.
+//
+// Command:  MOVE (M)
+//   Requires at least one entity selected before starting.
+//   Step 1: pick base point
+//   Step 2: pick destination → translates all selected entities by (dest - base)
+
+use acadrust::Handle;
+use glam::Vec3;
+
+use crate::command::{CadCommand, CmdResult, EntityTransform};
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+use crate::scene::wire_model::WireModel;
+
+// ── Ribbon definition ──────────────────────────────────────────────────────
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "MOVE",
+        label: "Move",
+        icon: IconKind::Svg(include_bytes!("../../../../assets/icons/move.svg")),
+        event: ModuleEvent::Command("MOVE".to_string()),
+    }
+}
+
+// ── Command implementation ─────────────────────────────────────────────────
+
+enum Step {
+    Base,
+    Target(Vec3),
+}
+
+pub struct MoveCommand {
+    handles: Vec<Handle>,
+    wire_models: Vec<WireModel>,
+    step: Step,
+}
+
+impl MoveCommand {
+    pub fn new(handles: Vec<Handle>, wire_models: Vec<WireModel>) -> Self {
+        Self {
+            handles,
+            wire_models,
+            step: Step::Base,
+        }
+    }
+}
+
+impl CadCommand for MoveCommand {
+    fn name(&self) -> &'static str {
+        "MOVE"
+    }
+
+    fn prompt(&self) -> String {
+        match &self.step {
+            Step::Base => format!(
+                "MOVE  Specify base point  [{} objects]:",
+                self.handles.len()
+            ),
+            Step::Target(base) => format!(
+                "MOVE  Specify destination  [base {:.3},{:.3}]:",
+                base.x, base.y
+            ),
+        }
+    }
+
+    fn on_point(&mut self, pt: Vec3) -> CmdResult {
+        match &self.step {
+            Step::Base => {
+                self.step = Step::Target(pt);
+                CmdResult::NeedPoint
+            }
+            Step::Target(base) => {
+                let delta = pt - *base;
+                CmdResult::TransformSelected(
+                    self.handles.clone(),
+                    EntityTransform::Translate(delta),
+                )
+            }
+        }
+    }
+
+    fn on_enter(&mut self) -> CmdResult {
+        CmdResult::Cancel
+    }
+    fn on_escape(&mut self) -> CmdResult {
+        CmdResult::Cancel
+    }
+
+    fn on_preview_wires(&mut self, pt: Vec3) -> Vec<WireModel> {
+        let Step::Target(base) = &self.step else {
+            return vec![];
+        };
+        let delta = pt - *base;
+        // Translated ghost of each selected object + rubber-band line.
+        let mut out: Vec<WireModel> = self
+            .wire_models
+            .iter()
+            .map(|w| w.translated(delta))
+            .collect();
+        out.push(WireModel::solid(
+            "rubber_band".into(),
+            vec![[base.x, base.y, base.z], [pt.x, pt.y, pt.z]],
+            WireModel::CYAN,
+            false,
+        ));
+        out
+    }
+}