Fix final compile errors in robot project

- Add new Pose2d(Double, Double, Double) constructor
- Add @JvmStatic on Pose2dWithCurvature.identity()
- Make Twist2d members public
- Add Translation2d.fromPolar()

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 group 'com.team1816'
-version '0.1.2'
+version '0.1.3'
 
 repositories {
     mavenCentral()

src/commonMain/kotlin/com/team254/lib/geometry/Pose2d.kt

@@ -23,6 +23,10 @@ class Pose2d : IPose2d<Pose2d> {
         rotation_ = rotation
     }
 
+    constructor(x: Double, y: Double, rotation: Double): this(
+        x, y, Rotation2d.fromDegrees(rotation)
+    )
+
     constructor(translation: Translation2d, rotation: Rotation2d) {
         translation_ = translation
         rotation_ = rotation

src/commonMain/kotlin/com/team254/lib/geometry/Pose2dWithCurvature.kt

@@ -2,6 +2,7 @@ package com.team254.lib.geometry
 
 import com.team254.lib.util.Util
 import com.team254.lib.util.format
+import kotlin.jvm.JvmStatic
 
 class Pose2dWithCurvature : IPose2d<Pose2dWithCurvature>,
     ICurvature<Pose2dWithCurvature> {
@@ -101,6 +102,8 @@ class Pose2dWithCurvature : IPose2d<Pose2dWithCurvature>,
 
     companion object {
         private val kIdentity = Pose2dWithCurvature()
+
+        @JvmStatic
         fun identity(): Pose2dWithCurvature {
             return kIdentity
         }

src/commonMain/kotlin/com/team254/lib/geometry/Translation2d.kt

@@ -139,6 +139,17 @@ class Translation2d : ITranslation2d<Translation2d> {
             return kIdentity
         }
 
+        /**
+         * fromPolar courtesy 1323
+         * @param direction
+         * @param magnitude
+         * @return
+         */
+        @JvmStatic
+        fun fromPolar(direction: Rotation2d, magnitude: Double): Translation2d {
+            return Translation2d(direction.cos() * magnitude, direction.sin() * magnitude)
+        }
+
         @JvmStatic
         fun dot(a: Translation2d, b: Translation2d): Double {
             return a.x_ * b.x_ + a.y_ * b.y_

src/commonMain/kotlin/com/team254/lib/geometry/Twist2d.kt

@@ -13,8 +13,9 @@ import kotlin.jvm.JvmStatic
  * A Twist can be used to represent a difference between two poses, a velocity, an acceleration, etc.
  */
 class Twist2d(
-    val dx: Double, val dy: Double, // Radians!
-    val dtheta: Double
+    public val dx: Double,
+    public val dy: Double,
+    public val dtheta: Double // Radians!
 ) {
     fun scaled(scale: Double): Twist2d {
         return Twist2d(dx * scale, dy * scale, dtheta * scale)