AlmasB
diff --git a/‎fxgl-entity/src/main/java/com/almasb/fxgl/physics/box2d/collision/DistanceInput.java
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diff --git a/‎fxgl-entity/src/main/java/com/almasb/fxgl/physics/box2d/collision/DistanceOutput.java
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diff --git a/‎fxgl-entity/src/main/kotlin/com/almasb/fxgl/physics/box2d/collision/DistanceData.kt
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+/*
+ * FXGL - JavaFX Game Library. The MIT License (MIT).
+ * Copyright (c) AlmasB (almaslvl@gmail.com).
+ * See LICENSE for details.
+ */
+
+package com.almasb.fxgl.physics.box2d.collision
+
+import com.almasb.fxgl.core.math.Vec2
+import com.almasb.fxgl.physics.box2d.collision.Distance.DistanceProxy
+import com.almasb.fxgl.physics.box2d.common.Transform
+
+/**
+ *
+ * @author Almas Baimagambetov (almaslvl@gmail.com)
+ */
+
+/**
+ * Input for Distance with the option to use the shape radii in the computation.
+ */
+internal class DistanceInput {
+
+    @JvmField
+    var proxyA = DistanceProxy()
+
+    @JvmField
+    var proxyB = DistanceProxy()
+
+    @JvmField
+    var transformA = Transform()
+
+    @JvmField
+    var transformB = Transform()
+
+    @JvmField
+    var useRadii = false
+}
+
+/**
+ * Output for Distance.
+ */
+internal class DistanceOutput {
+
+    /**
+     * Closest point on shapeA.
+     */
+    @JvmField
+    val pointA = Vec2()
+
+    /**
+     * Closest point on shapeB.
+     */
+    @JvmField
+    val pointB = Vec2()
+
+    @JvmField
+    var distance = 0f
+
+    /**
+     * Number of gjk iterations used.
+     */
+    @JvmField
+    var iterations = 0
+}