Added analog metrics.

src/stats/common.ts

@@ -83,6 +83,9 @@ export interface OverallType extends PlayerIndexedType {
   successfulConversions: RatioType;
   inputsPerMinute: RatioType;
   digitalInputsPerMinute: RatioType;
+  joystickDistanceTraveled: number;
+  joystickMetersTraveled: number;
+  joystickAverageVelocity: RatioType;
   openingsPerKill: RatioType;
   damagePerOpening: RatioType;
   neutralWinRatio: RatioType;

src/stats/inputs.ts

@@ -24,6 +24,7 @@ export interface PlayerInput {
   cstickInputCount: number;
   buttonInputCount: number;
   triggerInputCount: number;
+  joystickDistanceTraveled: number;
 }
 
 export class InputComputer implements StatComputer<PlayerInput[]> {
@@ -41,6 +42,7 @@ export class InputComputer implements StatComputer<PlayerInput[]> {
         cstickInputCount: 0,
         buttonInputCount: 0,
         triggerInputCount: 0,
+        joystickDistanceTraveled: 0,
       };
       this.state.set(indices, playerState);
     });
@@ -115,6 +117,12 @@ function handleInputCompute(
     state.inputCount += 1;
     state.triggerInputCount += 1;
   }
+
+  // Track the distance that the joystick has traveled. These are in unit coordinates and can
+  // be converted into meters, provided the controller being used has a standard gamecube stick.
+  const deltaX = playerFrame.joystickX - prevPlayerFrame.joystickX;
+  const deltaY = playerFrame.joystickY - prevPlayerFrame.joystickY;
+  state.joystickDistanceTraveled += getJoystickAnalogDistance(deltaX, deltaY);
 }
 
 function countSetBits(x: number): number {
@@ -131,6 +139,10 @@ function countSetBits(x: number): number {
   return count;
 }
 
+function getJoystickAnalogDistance(x: number, y: number): number {
+  return Math.sqrt(x * x + y * y)
+}
+
 function getJoystickRegion(x: number, y: number): JoystickRegion {
   let region = JoystickRegion.DZ;
 

src/stats/overall.ts

@@ -45,6 +45,11 @@ export function generateOverallStats(
     const totalDamage = _.sumBy(opponentStocks, "currentPercent") || 0;
     const killCount = opponentEndedStocks.length;
 
+    const analogDistance = _.get(playerInputs, "joystickDistanceTraveled");
+    // Distance from stick top to gyro center is ~2cm. Distance from center to edge of gate is ~.47 rad.
+    // If there are more detailed measurements that have been taken, this is the place to use them.
+    const metersTraveled = analogDistance * (.02 * .47);
+
     return {
       playerIndex: playerIndex,
       opponentIndex: opponentIndex,
@@ -56,6 +61,9 @@ export function generateOverallStats(
       successfulConversions: getRatio(successfulConversionCount, conversionCount),
       inputsPerMinute: getRatio(inputCounts.total, gameMinutes),
       digitalInputsPerMinute: getRatio(inputCounts.buttons, gameMinutes),
+      joystickDistanceTraveled: analogDistance,
+      joystickMetersTraveled: metersTraveled,
+      joystickAverageVelocity: getRatio(metersTraveled, gameMinutes * 60),
       openingsPerKill: getRatio(conversionCount, killCount),
       damagePerOpening: getRatio(totalDamage, conversionCount),
       neutralWinRatio: getOpeningRatio(conversionsByPlayerByOpening, playerIndex, opponentIndex, "neutral-win"),