From 4a0c88819f6e5223a771323975ebb03807be033e Mon Sep 17 00:00:00 2001
From: yushiang <tsengyushiang@gmail.com>
Date: Fri, 3 May 2024 20:16:02 +0800
Subject: [PATCH] feature: add real-time data monitor.

---
 src/App.jsx     | 119 +++++++++++++++++++++++++++++++++++++++++-------
 src/ThreeApp.js |  11 +++--
 2 files changed, 111 insertions(+), 19 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 1ffdbd8..23c61d7 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,12 +1,51 @@
 import React, { useEffect, useRef, useState } from "react";
 import ThreeApp from "./ThreeApp";
 import { LineChart } from "@mui/x-charts";
+
+function densityDecay(distance) {
+  return distance;
+}
 const FullScreenCanvas = () => {
+  const [isPause, setIsPause] = useState(true);
   const [chartData, setChartData] = useState(null);
   const [core, setCore] = useState(null);
   const [isTeleport, setIsTeleport] = useState(false);
   const canvasRef = useRef(null);
 
+  useEffect(() => {
+    if (!core) return;
+    if (isPause) return;
+    const timer = setInterval(() => {
+      setChartData((data) => {
+        const newChart = data || [];
+        const sensors = core.getSensors();
+        sensors.forEach(({ position, color }, index) => {
+          if (!newChart[index]) {
+            newChart[index] = {
+              data: [],
+              color: `#${color.getHexString()}`,
+              curve: "linear",
+            };
+          }
+          const distance = densityDecay(
+            core.getFpvCamera().position.distanceTo(position)
+          );
+          newChart[index].data.unshift(distance);
+          if (newChart[index].data.length > 20) {
+            newChart[index].data.pop();
+          }
+        });
+        return [...newChart];
+      });
+    }, 5e2);
+    return () => clearInterval(timer);
+  }, [core, isPause]);
+
+  useEffect(() => {
+    if (!core) return;
+    core.animator.setIsPause(isPause);
+  }, [isPause, core]);
+
   useEffect(() => {
     const canvas = canvasRef.current;
     const threeApp = new ThreeApp(canvas);
@@ -33,22 +72,26 @@ const FullScreenCanvas = () => {
         const path = core.findPathTo(point);
 
         if (path) {
-          const sensors = core.getSensors();
-          const distanceToSensor = sensors.map(({ position, color }) => {
-            return {
-              data: path.map((point) => point.distanceTo(position)),
-              color: `#${color.getHexString()}`,
-              curve: "linear",
-            };
-          });
-          setChartData(distanceToSensor);
-
           core.setCamera(
             [path[0].x, path[0].y, path[0].z],
             [path[1].x, path[1].y, path[1].z]
           );
           core.setPath(path);
-          core.animator.setTargets(path);
+          if (!isPause) {
+            core.animator.setTargets(path);
+          } else {
+            const sensors = core.getSensors();
+            const distanceToSensor = sensors.map(({ position, color }) => {
+              return {
+                data: path.map((point) =>
+                  densityDecay(point.distanceTo(position))
+                ),
+                color: `#${color.getHexString()}`,
+                curve: "linear",
+              };
+            });
+            setChartData(distanceToSensor);
+          }
         }
       }
     };
@@ -62,18 +105,62 @@ const FullScreenCanvas = () => {
       canvas.addEventListener("pointerdown", core.onSelectSensor);
       canvas.removeEventListener("pointerup", onPointerUp);
     };
-  }, [core, isTeleport]);
+  }, [core, isTeleport, isPause]);
+
+  const rawData = chartData?.map(({ data, color }) => ({
+    sensor: color,
+    distance: data[0],
+  }));
 
   return (
     <>
-      <div style={{ position: "absolute", background: "rgba(0,0,0,0.1)" }}>
+      {!isPause && (
+        <div
+          style={{
+            position: "absolute",
+            background: "rgba(0,0,0,0.1)",
+          }}
+        >
+          <textarea
+            rows={25}
+            cols={50}
+            value={JSON.stringify(rawData, null, 4)}
+          ></textarea>
+        </div>
+      )}
+
+      <div
+        style={{
+          position: "absolute",
+          right: "0",
+          background: "rgba(0,0,0,0.1)",
+        }}
+      >
         <button onClick={() => setIsTeleport((prev) => !prev)}>
-          {isTeleport ? "click to teleport" : "click to find path"}
+          <span>{`${!isTeleport ? "(v)" : "( )"} navigation mode `}</span>
+          <br />
+          <span>{`${isTeleport ? "(v)" : "( )"} teleport mode`}</span>
+        </button>
+        <button onClick={() => setIsPause((prev) => !prev)}>
+          <span>{`${isPause ? "(v)" : "( )"} static mode `}</span>
+          <br />
+          <span>{`${!isPause ? "(v)" : "( )"} dynamic mode`}</span>
         </button>
-
         {chartData && (
           <LineChart
-            xAxis={[{ data: chartData[0].data.map((_, index) => index) }]}
+            xAxis={[
+              {
+                data: chartData[0].data.map((_, index) => index),
+                label: "Steps",
+              },
+            ]}
+            yAxis={[
+              {
+                label: "Sensor Distance",
+                max: 15,
+                min: 0,
+              },
+            ]}
             series={chartData}
             width={Math.min(500, document.documentElement.clientWidth)}
             height={300}
diff --git a/src/ThreeApp.js b/src/ThreeApp.js
index 609bf65..2be97e8 100644
--- a/src/ThreeApp.js
+++ b/src/ThreeApp.js
@@ -71,7 +71,7 @@ function ThreeApp(canvas) {
     };
   })();
 
-  const { setCamera, fpvCameraAgent, fpvCamera } = (() => {
+  const { setCamera, fpvCameraAgent, fpvCamera, getFpvCamera } = (() => {
     const agent = new THREE.Object3D();
 
     const walkThroughViewCamera = new THREE.PerspectiveCamera(
@@ -102,8 +102,11 @@ function ThreeApp(canvas) {
       agent.position.set(x, y, z);
       agent.lookAt(lookAtX, lookAtY, lookAtZ);
     };
+
+    const getFpvCamera = () => agent;
     return {
       setCamera,
+      getFpvCamera,
       fpvCameraAgent: agent,
       fpvCamera: walkThroughViewCamera,
     };
@@ -288,8 +291,9 @@ function ThreeApp(canvas) {
     renderer.setScissor(0, 0, viewportWidth, viewportHeight);
     renderer.render(scene, camera);
 
-    renderer.setViewport(0, 0, viewportWidth / 3, viewportHeight / 3);
-    renderer.setScissor(0, 0, viewportWidth / 3, viewportHeight / 3);
+    const size = 1 / 4;
+    renderer.setViewport(0, 0, viewportWidth * size, viewportHeight * size);
+    renderer.setScissor(0, 0, viewportWidth * size, viewportHeight * size);
     renderer.render(scene, fpvCamera);
   };
 
@@ -314,6 +318,7 @@ function ThreeApp(canvas) {
     setCamera,
     setPath,
     getSensors,
+    getFpvCamera,
     onSelectSensor,
   };
 }