Added physics constants

SHADE_Engine/src/Physics/RP3DWrapper/SHPhysicsWorldState.cpp

@@ -11,7 +11,7 @@
 #include <SHpch.h>
 
 // Primary Header
-#include "SHPhysicsWorld.h"
+#include "SHPhysicsWorldState.h"
 
 namespace SHADE
 {

SHADE_Engine/src/Physics/RP3DWrapper/SHPhysicsWorldState.h

@@ -1,7 +1,7 @@
 /****************************************************************************************
- * \file      SHPhysicsWorld.h
+ * \file      SHPhysicsWorldState.h
  * \author    Diren D Bharwani, diren.dbharwani, 390002520
- * \brief     Interface for a Physics World.
+ * \brief     Interface for a Physics World State.
  *
  * \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
  *            disclosure of this file or its contents without the prior written consent
@@ -14,6 +14,7 @@
 
 // Project Headers
 #include "Math/Vector/SHVec3.h"
+#include "Physics/SHPhysicsConstants.h"
 
 namespace SHADE
 {
@@ -37,8 +38,8 @@ namespace SHADE
       /*-------------------------------------------------------------------------------*/
 
       SHVec3    gravity                     = SHVec3{ 0.0f, -9.81f, 0.0f };
-      uint16_t  numVelocitySolverIterations = 10;
+      uint16_t  numVelocitySolverIterations = SHPhysicsConstants::DEFAULT_VELOCITY_ITERATIONS;
-      uint16_t  numPositionSolverIterations = 5;
+      uint16_t  numPositionSolverIterations = SHPhysicsConstants::DEFAULT_POSITION_ITERATIONS;
       bool      sleepingEnabled             = true;
     };
 

SHADE_Engine/src/Physics/SHPhysicsConstants.h

@@ -0,0 +1,25 @@
+/****************************************************************************************
+ * \file      SHPhysicsConstants.h
+ * \author    Diren D Bharwani, diren.dbharwani, 390002520
+ * \brief     Declaration of Constants used for physics simulations
+ *
+ * \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
+ *            disclosure of this file or its contents without the prior written consent
+ *            of DigiPen Institute of Technology is prohibited.
+****************************************************************************************/
+
+#pragma once
+
+// Project Headers
+#include "Math/Vector/SHVec3.h"
+
+namespace SHADE
+{
+  struct SHPhysicsConstants
+  {
+    static constexpr double DEFAULT_FIXED_DT              = 1.0 / 60.0;
+
+    static constexpr int    DEFAULT_VELOCITY_ITERATIONS   = 10;
+    static constexpr int    DEFAULT_POSITION_ITERATIONS   = 5;
+  };
+}

SHADE_Engine/src/Physics/System/SHPhysicsSystem.cpp

@@ -34,7 +34,7 @@ namespace SHADE
   SHPhysicsSystem::SHPhysicsSystem() noexcept
   : worldUpdated        { false }
   , interpolationFactor { 0.0 }
-  , fixedDT             { DEFAULT_FIXED_STEP }
+  , fixedDT             { SHPhysicsConstants::DEFAULT_FIXED_DT }
   {
     // Add more events here to register them
 
@@ -63,11 +63,6 @@ namespace SHADE
     return fixedDT;
   }
 
-  double SHPhysicsSystem::GetDefaultFixedDT() const noexcept
-  {
-    return DEFAULT_FIXED_STEP;
-  }
-
   const std::vector<SHCollisionInfo>& SHPhysicsSystem::GetAllCollisionInfo() const noexcept
   {
     return collisionListener.GetCollisionInfoContainer();

SHADE_Engine/src/Physics/System/SHPhysicsSystem.h

@@ -21,7 +21,7 @@
 #include "Math/Geometry/SHAABB.h"
 #include "Physics/Collision/SHCollisionInfo.h"
 #include "Physics/Interface/PhysicsObject/SHPhysicsObjectManager.h"
-#include "Physics/RP3DWrapper/SHPhysicsWorld.h"
+#include "Physics/RP3DWrapper/SHPhysicsWorldState.h"
 #include "Physics/RP3DWrapper/SHCollisionListener.h"
 #include "Physics/RP3DWrapper/SHRaycaster.h"
 #include "Scene/SHSceneGraph.h"
@@ -59,7 +59,6 @@ namespace SHADE
 
     [[nodiscard]] double                              GetFixedUpdateRate  ()  const noexcept;
     [[nodiscard]] double                              GetFixedDT          ()  const noexcept;
-    [[nodiscard]] double                              GetDefaultFixedDT   ()  const noexcept;
 
     [[nodiscard]] const std::vector<SHCollisionInfo>& GetAllTriggerInfo   ()  const noexcept;
     [[nodiscard]] const std::vector<SHCollisionInfo>& GetAllCollisionInfo ()  const noexcept;
@@ -70,6 +69,7 @@ namespace SHADE
 
     void  SetFixedUpdateRate  (double fixedUpdateRate)  noexcept;
     void  SetFixedDT          (double fixedDt)          noexcept;
+
     /*---------------------------------------------------------------------------------*/
     /* Function Members                                                                */
     /*---------------------------------------------------------------------------------*/

SHADE_Engine/src/Physics/System/SHPhysicsSystemInterface.cpp

@@ -60,21 +60,11 @@ namespace SHADE
     return 0.0;
   }
 
-  double SHPhysicsSystemInterface::GetDeafultFixedDT() noexcept
+  void SHPhysicsSystemInterface::SetFixedDT(double fixedDT) noexcept
   {
     auto* physicsSystem = SHSystemManager::GetSystem<SHPhysicsSystem>();
     if (physicsSystem)
-      return physicsSystem->GetDefaultFixedDT();
+      physicsSystem->SetFixedDT(fixedDT);
-
-    SHLOGV_WARNING("Failed to get defualt fixed delta time. 0.0 returned instead.");
-    return 0.0;
-  }
-
-  void SHPhysicsSystemInterface::SetFixedDT(double value) noexcept
-  {
-    auto* physicsSystem = SHSystemManager::GetSystem<SHPhysicsSystem>();
-    if (physicsSystem)
-      physicsSystem->SetFixedDT(value);
 
     SHLOGV_WARNING("Failed to set fixed delta time.");
   }
@@ -89,6 +79,16 @@ namespace SHADE
     return 0.0;
   }
 
+  void SHPhysicsSystemInterface::SetFixedUpdateRate(double fixedUpdateRate) noexcept
+  {
+    auto* physicsSystem = SHSystemManager::GetSystem<SHPhysicsSystem>();
+    if (physicsSystem)
+      return physicsSystem->SetFixedUpdateRate(fixedUpdateRate);
+
+    SHLOGV_WARNING("Failed to set fixed update rate.");
+  }
+
+
   const std::vector<SHPhysicsRaycastResult>& SHPhysicsSystemInterface::Raycast(const RaycastInfo& info) noexcept
   {
     static std::vector<SHPhysicsRaycastResult> emptyVec;

SHADE_Engine/src/Physics/System/SHPhysicsSystemInterface.h

@@ -93,9 +93,9 @@ namespace SHADE
     [[nodiscard]] static const std::vector<SHCollisionInfo>&        GetCollisionInfo    ()                        noexcept;
     [[nodiscard]] static const std::vector<SHCollisionInfo>&        GetTriggerInfo      ()                        noexcept;
     [[nodiscard]] static double                                     GetFixedDT          ()                        noexcept;
-    [[nodiscard]] static void                                       SetFixedDT          (double value)  noexcept;
+    [[nodiscard]] static void                                       SetFixedDT          (double fixedDT)          noexcept;
-    [[nodiscard]] static double                                     GetDeafultFixedDT   ()  noexcept;
     [[nodiscard]] static int                                        GetFixedUpdateRate  ()                        noexcept;
+    [[nodiscard]] static void                                       SetFixedUpdateRate  (double fixedUpdateRate)  noexcept;
     [[nodiscard]] static const std::vector<SHPhysicsRaycastResult>& Raycast             (const RaycastInfo& info) noexcept;
 
   };

SHADE_Managed/src/Engine/Time.cxx

@@ -17,6 +17,7 @@ of DigiPen Institute of Technology is prohibited.
 // External Dependencies
 #include "FRC/SHFramerateController.h"
 #include "Physics/System/SHPhysicsSystemInterface.h"
+#include "Physics/SHPhysicsConstants.h"
 // Primary Header
 #include "Time.hxx"
 
@@ -47,7 +48,6 @@ namespace SHADE
 
     double Time::DefaultFixDeltaTime::get()
     {
-        return SHPhysicsSystemInterface::GetDeafultFixedDT();
+        return SHPhysicsConstants::DEFAULT_FIXED_DT;
     }
-
 }