More physics stuff

CMakeLists.txt

@@ -11,6 +11,9 @@ include_directories(${SFML_INCLUDE_DIR})
 find_package(Eigen3 3.3 REQUIRED NO_MODULE)
 include_directories(${EIGEN3_INCLUDE_DIR})
 
+# Find and include ReactPhysics3D
+find_package(ReactPhysics3D REQUIRED)
+
 
 # Set up your project's source files
 set(SOURCES
@@ -21,8 +24,8 @@ set(SOURCES
         src/game/game.h
         src/util/easylogging++.cc
         src/util/easylogging++.h
-        src/coordinates/isometric_coordinate_transformer.cpp
-        src/coordinates/isometric_coordinate_transformer.h
+        src/coordinates/coordinate_transformer.cpp
+        src/coordinates/coordinate_transformer.h
         src/coordinates/translated_coordinates.cpp
         src/coordinates/translated_coordinates.h
         src/coordinates/coordinates.h
@@ -33,9 +36,17 @@ set(SOURCES
         src/game/game_factory.cpp
         src/game/game_factory.hpp)
 
+set(PHYSICS_00_SOURCES
+        src/prototypes/physics_00.cpp
+        )
+
 # Add an executable target
 add_executable(Holesome ${SOURCES})
+add_executable(Physics_00 ${PHYSICS_00_SOURCES})
 
 # Link SFML and other libraries to your executable target
 target_link_libraries(Holesome sfml-graphics sfml-audio)
 target_link_libraries(Holesome Eigen3::Eigen)
+target_link_libraries(Holesome ReactPhysics3D::ReactPhysics3D)
+
+target_link_libraries(Physics_00 ReactPhysics3D::ReactPhysics3D)

README.md

@@ -49,3 +49,19 @@ Potential expansions:
 ## Project Setup
 
 Install SFML and Eigen: `sudo apt install libsfml-dev libsfml-doc libeigen3-dev`
+
+### Compiling ReactPhysics3D from source
+
+Website: [ReactPhysics3D](https://www.reactphysics3d.com)
+
+1. Make sure cmake, g++ and make are installed
+2. Clone the repository `git clone https://github.com/DanielChappuis/reactphysics3d.git`
+3. Build and install the library
+```
+cd reactphysics3d
+mkdir build
+cd build
+cmake ..
+make
+sudo make install
+```

src/prototypes/physics_00.cpp

@@ -0,0 +1,42 @@
+#include <reactphysics3d/reactphysics3d.h>
+#include <iostream>
+
+// ReactPhysics3D namespace
+using namespace reactphysics3d;
+
+// Main function
+int main(int argc, char** argv) {
+
+    // First you need to create the PhysicsCommon object.
+    // This is a factory module that you can use to create physics
+    // world and other objects. It is also responsible for
+    // logging and memory management
+    PhysicsCommon physicsCommon;
+
+    // Create a physics world
+    PhysicsWorld* world = physicsCommon.createPhysicsWorld();
+
+    // Create a rigid body in the world
+    Vector3 position(0, 20, 0);
+    Quaternion orientation = Quaternion::identity();
+    Transform transform(position, orientation);
+    RigidBody* body = world->createRigidBody(transform);
+
+    const decimal timeStep = 1.0f / 60.0f;
+
+    // Step the simulation a few steps
+    for (int i=0; i < 20; i++) {
+
+        world->update(timeStep);
+
+        // Get the updated position of the body
+        const Transform& transform = body->getTransform();
+        const Vector3& position = transform.getPosition();
+
+        // Display the position of the body
+        std::cout << "Body Position: (" << position.x << ", " <<
+                  position.y << ", " << position.z << ")" << std::endl;
+    }
+
+    return 0;
+}