Release 6.1.1

Guribo · May 3, 2024 · cb79b81 · cb79b81
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diff --git a/Packages/tlp.udonutils/README.md b/Packages/tlp.udonutils/README.md
@@ -30,6 +30,20 @@ The used pattern MAJOR.MINOR.PATCH indicates:
 
 All notable changes to this project will be documented in this file.
 
+### [6.1.1] - 2024-05-03
+
+#### 🚀 Features
+
+- *(Physics)* Add PhysicsUtils class with function CalculateAccelerationAndVelocity from positions
+
+#### 🐛 Bug Fixes
+
+- *(DemoBlackListToggle)* Add check for unset White-/Blacklist buttons
+
+#### ⚙️ Miscellaneous Tasks
+
+- Prevent creating new branches on Github
+
 ### [6.0.0] - 2024-04-19
 
 #### 🚀 Features

diff --git a/Packages/tlp.udonutils/Runtime/Physics/PhysicsUtils.cs b/Packages/tlp.udonutils/Runtime/Physics/PhysicsUtils.cs
@@ -0,0 +1,47 @@
+using JetBrains.Annotations;
+using UnityEngine;
+
+namespace TLP.UdonUtils.Runtime.Physics
+{
+    /// <summary>
+    /// Utilities to calculate velocities, accelerations etc.
+    /// </summary>
+    public static class PhysicsUtils
+    {
+        /// <summary>
+        /// Based on s(t) = 0.5 at² + v0t + s0 solved to a = 2(s(t) - v0t - s0) / t² with t != 0; v(t) = at + v0
+        ///
+        /// <remarks>The accuracy of the results is HIGHLY dependent
+        /// on the correctness of the <see cref="initialVelocity"/>!
+        /// Using this function multiple times with the output velocity as input will eventually produce wrong results
+        /// due to floating point errors!!! If possible calculate the initial velocity differently.</remarks>
+        /// </summary>
+        /// <param name="firstPosition"></param>
+        /// <param name="secondPosition"></param>
+        /// <param name="initialVelocity">Velocity at <see cref="firstPosition"/></param>
+        /// <param name="deltaTime">Time elapsed while the position changed from
+        /// <see cref="firstPosition"/> to <see cref="secondPosition"/></param>
+        /// <param name="acceleration">result: calculated acceleration, is zero if t == 0</param>
+        /// <param name="velocity">calculated velocity based on calculated <see cref="acceleration"/>
+        /// at point <see cref="secondPosition"/></param>
+        [PublicAPI]
+        public static void CalculateAccelerationAndVelocity(
+                Vector3 firstPosition,
+                Vector3 secondPosition,
+                Vector3 initialVelocity,
+                float deltaTime,
+                out Vector3 acceleration,
+                out Vector3 velocity
+        ) {
+            if (deltaTime == 0) {
+                acceleration = Vector3.zero; // technically it is infinity, but that is not usable
+                velocity = initialVelocity;
+                return;
+            }
+
+            acceleration = 2f * (secondPosition - initialVelocity * deltaTime - firstPosition) /
+                           (deltaTime * deltaTime);
+            velocity = acceleration * deltaTime + initialVelocity;
+        }
+    }
+}
diff --git a/Packages/tlp.udonutils/Runtime/Physics/PhysicsUtils.cs.meta b/Packages/tlp.udonutils/Runtime/Physics/PhysicsUtils.cs.meta
diff --git a/Packages/tlp.udonutils/Runtime/Scenes/Examples/BlackListing/DemoBlackListToggle.cs b/Packages/tlp.udonutils/Runtime/Scenes/Examples/BlackListing/DemoBlackListToggle.cs
@@ -24,6 +24,16 @@ public class DemoBlackListToggle : TlpBaseBehaviour
     public PlayerBlackList PlayerBlackList;
 
     public void OnEnable() {
+        if (!Utilities.IsValid(WhiteListButton)) {
+            ErrorAndDisableGameObject($"{nameof(WhiteListButton)} is not set");
+            return;
+        }
+
+        if (!Utilities.IsValid(BlackListButton)) {
+            ErrorAndDisableGameObject($"{nameof(BlackListButton)} is not set");
+            return;
+        }
+
         WhiteListButton.gameObject.SetActive(PlayerBlackList.IsBlackListed(Networking.LocalPlayer.DisplayNameSafe()));
         BlackListButton.gameObject.SetActive(PlayerBlackList.IsWhiteListed(Networking.LocalPlayer.DisplayNameSafe()));
     }

diff --git a/...p.udonutils/Runtime/Testing/Prefabs/TestGameTimeVsDeltaTime/TestGameTimeVsDeltaTime.asset b/...p.udonutils/Runtime/Testing/Prefabs/TestGameTimeVsDeltaTime/TestGameTimeVsDeltaTime.asset
@@ -12,7 +12,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: c333ccfdd0cbdbc4ca30cef2dd6e6b9b, type: 3}
   m_Name: TestGameTimeVsDeltaTime
   m_EditorClassIdentifier: 
-  serializedUdonProgramAsset: {fileID: 11400000, guid: 2ca44091b1ff76846a13041f0c977bba,
+  serializedUdonProgramAsset: {fileID: 11400000, guid: 9c341850c7f1bdd4c9ae387ce71e6693,
     type: 2}
   udonAssembly: 
   assemblyError: 

diff --git a/Packages/tlp.udonutils/package.json b/Packages/tlp.udonutils/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tlp.udonutils",
   "displayName": "TLP UdonUtils",
-  "version": "6.0.0",
+  "version": "6.1.1",
   "description": "Contains the base scripts/tools for TLP packages as well as prefabs and potentially helpful scripts for VRChat worlds.",
   "gitDependencies": {},
   "legacyFolders": {

diff --git a/README.md b/README.md
@@ -30,6 +30,20 @@ The used pattern MAJOR.MINOR.PATCH indicates:
 
 All notable changes to this project will be documented in this file.
 
+### [6.1.1] - 2024-05-03
+
+#### 🚀 Features
+
+- *(Physics)* Add PhysicsUtils class with function CalculateAccelerationAndVelocity from positions
+
+#### 🐛 Bug Fixes
+
+- *(DemoBlackListToggle)* Add check for unset White-/Blacklist buttons
+
+#### ⚙️ Miscellaneous Tasks
+
+- Prevent creating new branches on Github
+
 ### [6.0.0] - 2024-04-19
 
 #### 🚀 Features