Give the simulation a progressive feeling

src/App.tsx

@@ -44,6 +44,7 @@ import { throttle } from "lodash";
 import "./app.css";
 
 const headerOffset = 10;
+const simulationDuration = 4000;
 
 const useStyles = makeStyles((theme: Theme) =>
   createStyles({
@@ -341,20 +342,18 @@ export default function App() {
       value: Math.round(d0 * theta).toLocaleString() + " DAI"
     },
     {
-      label: `${
-        resultParameterDescriptions.exitTributes.name
-      } (${withdrawCount} txs)`,
+      label: resultParameterDescriptions.exitTributes.name,
       description: resultParameterDescriptions.exitTributes.text,
       value:
         (+getLast(withdrawFeeTimeseries).toPrecision(3)).toLocaleString() +
-        " DAI"
+        ` DAI (${withdrawCount} txs)`
     },
     {
-      label: `${
-        resultParameterDescriptions.slippage.name
-      } (avg tx size ${Math.round(avgTxSize).toLocaleString()} DAI)`,
+      label: resultParameterDescriptions.slippage.name,
       description: resultParameterDescriptions.slippage.text,
-      value: +(100 * avgSlippage).toFixed(3) + "%"
+      value:
+        +(100 * avgSlippage).toFixed(3) +
+        ` % (avg tx size ${Math.round(avgTxSize).toLocaleString()} DAI)`
     }
   ];
 
@@ -521,6 +520,7 @@ export default function App() {
                       priceTimeseries={priceTimeseries}
                       floorpriceTimeseries={floorpriceTimeseries}
                       totalFundsRaisedTimeseries={totalFundsRaisedTimeseries}
+                      simulationDuration={simulationDuration}
                       p0={p0}
                       p1={p1}
                     />
@@ -566,7 +566,10 @@ export default function App() {
                   </Box>
 
                   <Box className={classes.box}>
-                    <ResultParams resultFields={resultFields} />
+                    <ResultParams
+                      resultFields={resultFields}
+                      simulationDuration={simulationDuration}
+                    />
                   </Box>
                 </Paper>
               </Grid>

src/DotsLoader.tsx

@@ -0,0 +1,12 @@
+import React from "react";
+import "./dotsLoader.css";
+
+export default function DotsLoader() {
+  return (
+    <div className="spinner">
+      <div className="bounce1" />
+      <div className="bounce2" />
+      <div className="bounce3" />
+    </div>
+  );
+}

src/PriceSimulationChart.tsx

@@ -1,4 +1,4 @@
-import React from "react";
+import React, { useState, useEffect } from "react";
 import {
   AreaChart,
   Area,
@@ -34,12 +34,14 @@ function PriceSimulationChart({
   priceTimeseries,
   totalFundsRaisedTimeseries,
   floorpriceTimeseries,
+  simulationDuration,
   p0,
   p1
 }: {
   priceTimeseries: number[];
   totalFundsRaisedTimeseries: number[];
   floorpriceTimeseries: number[];
+  simulationDuration: number;
   p0: number;
   p1: number;
 }) {
@@ -59,6 +61,21 @@ function PriceSimulationChart({
     });
   }
 
+  /**
+   * When resizing the window the chart animation looks very bad
+   * Keep the animation active only during the initial animation time,
+   * but afterwards, deactivate to prevent the re-size ugly effect
+   */
+  const [isAnimationActive, setIsAnimationActive] = useState(true);
+  useEffect(() => {
+    const timeout = setTimeout(() => {
+      setIsAnimationActive(false);
+    }, simulationDuration + 100);
+    return () => {
+      clearTimeout(timeout);
+    };
+  });
+
   // Chart components
 
   const theme: any = useTheme();
@@ -171,7 +188,8 @@ function PriceSimulationChart({
         <Tooltip content={<CustomTooltip />} />
 
         <Area
-          isAnimationActive={false}
+          isAnimationActive={isAnimationActive}
+          animationDuration={simulationDuration}
           yAxisId="left"
           type="monotone"
           dataKey={keyVerticalLeft}
@@ -181,7 +199,8 @@ function PriceSimulationChart({
           strokeWidth={2}
         />
         <Area
-          isAnimationActive={false}
+          isAnimationActive={isAnimationActive}
+          animationDuration={simulationDuration}
           yAxisId="left"
           type="monotone"
           dataKey={keyVerticalLeft2}
@@ -208,7 +227,8 @@ function PriceSimulationChart({
 
         {/* Capital collected from withdraw fees - AREA */}
         <Area
-          isAnimationActive={false}
+          isAnimationActive={isAnimationActive}
+          animationDuration={simulationDuration}
           yAxisId="right"
           type="monotone"
           dataKey={keyVerticalRight}

src/ResultParams.tsx

@@ -1,8 +1,9 @@
-import React from "react";
+import React, { useState, useEffect } from "react";
 import { createStyles, makeStyles, Theme } from "@material-ui/core/styles";
 import Typography from "@material-ui/core/Typography";
 import Grid from "@material-ui/core/Grid";
 import TextWithPopover from "./TextWithPopover";
+import DotsLoader from "./DotsLoader";
 
 const useStyles = makeStyles((theme: Theme) =>
   createStyles({
@@ -42,14 +43,31 @@ const useStyles = makeStyles((theme: Theme) =>
 );
 
 export default function ResultParams({
-  resultFields
+  resultFields,
+  simulationDuration
 }: {
   resultFields: {
     label: string;
     description: string;
     value: number | string;
   }[];
+  simulationDuration: number;
 }) {
+  /**
+   * When resizing the window the chart animation looks very bad
+   * Keep the animation active only during the initial animation time,
+   * but afterwards, deactivate to prevent the re-size ugly effect
+   */
+  const [isAnimationActive, setIsAnimationActive] = useState(true);
+  useEffect(() => {
+    const timeout = setTimeout(() => {
+      setIsAnimationActive(false);
+    }, simulationDuration);
+    return () => {
+      clearTimeout(timeout);
+    };
+  });
+
   const classes = useStyles();
 
   return (
@@ -61,7 +79,11 @@ export default function ResultParams({
           </Grid>
 
           <Grid item xs={4} className={classes.centerContainer}>
-            <Typography gutterBottom>{value}</Typography>
+            {isAnimationActive ? (
+              <DotsLoader />
+            ) : (
+              <Typography gutterBottom>{value}</Typography>
+            )}
           </Grid>
         </Grid>
       ))}

src/SupplyVsDemandChart.tsx

@@ -15,6 +15,7 @@ import { getLinspaceTicks } from "./utils";
 import { getInitialParams, getPriceR } from "./math";
 import { useTheme } from "@material-ui/styles";
 
+const isAnimationActive = false;
 const keyHorizontal = "x";
 const keyVertical = "Supply (tokens) / Reserve (DAI)";
 
@@ -181,7 +182,7 @@ function SupplyVsDemandChart({
         />
         <Tooltip content={<CustomTooltip />} />
         <Area
-          isAnimationActive={false}
+          isAnimationActive={isAnimationActive}
           type="monotone"
           dataKey={keyVertical}
           stroke={theme.palette.primary.main}

src/dotsLoader.css

@@ -0,0 +1,51 @@
+/*Huge thanks to @tobiasahlin at http://tobiasahlin.com/spinkit/ */
+.spinner {
+  opacity: 0.5;
+  width: 70px;
+  text-align: center;
+}
+
+.spinner > div {
+  width: 10px;
+  height: 10px;
+  margin-right: 4px;
+  background-color: #9aa3ad;
+  border-radius: 100%;
+  display: inline-block;
+  -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
+  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
+}
+
+.spinner .bounce1 {
+  -webkit-animation-delay: -0.32s;
+  animation-delay: -0.32s;
+}
+
+.spinner .bounce2 {
+  -webkit-animation-delay: -0.16s;
+  animation-delay: -0.16s;
+}
+
+@-webkit-keyframes sk-bouncedelay {
+  0%,
+  80%,
+  100% {
+    -webkit-transform: scale(0);
+  }
+  40% {
+    -webkit-transform: scale(1);
+  }
+}
+
+@keyframes sk-bouncedelay {
+  0%,
+  80%,
+  100% {
+    -webkit-transform: scale(0);
+    transform: scale(0);
+  }
+  40% {
+    -webkit-transform: scale(1);
+    transform: scale(1);
+  }
+}