A real-time 2D physics simulation engine built with C++ and OpenGL, featuring gravitational and electric field simulations with interactive object manipulation.
- Real-time Physics Simulation: Accurate gravitational and electric field calculations
- Interactive Object Creation: Create circles with customizable properties
- Object Manipulation: Drag and drop objects with real-time physics response
- Visual Feedback: Real-time velocity and acceleration visualization
- ImGui Interface: User-friendly interface for controlling simulation parameters
- Cross-platform Support: Windows-compatible with OpenGL rendering
- Time Control: Adjustable time scale for slowing down or speeding up simulations
- Vertical Sync Control: Toggle vertical sync for optimal performance
- Object Management: Create, modify, and delete objects in real-time
- Field Direction Controls: Precise control over gravitational and electric field directions
- Charge Presets: Quick charge value selection for electric field interactions
- Velocity Limiting: Maximum velocity constraints for realistic object movement
2DPhysics/
├── src/
│ ├── main.cpp # Main application and rendering loop
├── include/
│ ├── axioms.h # Physics constants and field definitions
│ ├── Circle.h # Circle object implementation
│ ├── polygon.h # Polygon object implementation
├── Dependencies/ # External libraries (GLEW, GLFW, ImGui, cPhysics)
├── CMakeLists.txt # CMake build configuration
├── 2DPhysics.rc # Windows resource file
└── icon.ico # Application iconThe simulation implements realistic physics including:
- Gravitational Fields: Objects experience gravitational forces based on mass
- Electric Fields: Charged objects interact with electric fields
- Newtonian Mechanics: Velocity, acceleration, and force calculations
- Collision Detection: Basic collision handling between objects
- Universal Gravitation: Realistic gravitational interactions between all objects
- Coulomb's Law: Electric force calculations between charged objects
- Field Superposition: Combined effects of multiple fields
- Mass and Charge Properties: Objects can have both mass and charge for multi-field interactions
- Customizable radius and mass
- Real-time physics simulation
- Visual representation with smooth rendering
- Charge properties for electric field interactions
- Adjustable movement status (fixed or movable)
- Multi-sided shape support
- Physics simulation capabilities
- Customizable properties
- CMake 3.10+
- C++23 compatible compiler
- OpenGL development libraries
- Windows SDK (for Windows builds)
# Create build directory
mkdir build && cd build
# Configure with CMake
cmake ..
# Build the project
cmake --build . --config Release- Run the application: Launch the executable to start the simulation
- Create Objects: Use the creation tools to add circles with customizable properties
- Adjust Fields: Modify gravitational and electric field parameters and directions
- Interact: Drag objects to apply forces and observe physics behavior
- Manage Objects: Modify object properties or delete objects as needed
- Control Simulation: Adjust time scale and toggle vertical sync for optimal performance
- Observe: Watch realistic physics interactions in real-time
- Mouse Drag: Select and move objects with velocity transfer
- Left Click: Create new circles in creation mode
- UI Controls: Adjust simulation parameters through the ImGui interface
- Object Creation: Use the creation panel to add new objects with customizable properties
- Field Controls: Modify field magnitudes and directions with sliders and preset buttons
- Time Control: Adjust simulation speed with time scale slider
- Vertical Sync: Toggle vertical sync for optimal performance
- Object Deletion: Remove objects using the delete button in the objects panel
- Rendering: OpenGL 3.3+ with immediate mode rendering
- Physics: Real-time numerical integration with time step control
- UI: ImGui for interactive controls and parameter adjustment
- Window Management: GLFW for cross-platform window handling
- Extensions: GLEW for OpenGL extension loading
- Physics Engine: Custom physics implementation with cPhysics library integration
- Collision Detection: Basic collision resolution between objects
- Time Management: Delta time calculation for consistent physics across different frame rates
- GLFW: Download link: https://www.glfw.org/download.html
- GLEW: Download link: https://glew.sourceforge.net/
- ImGui: Project link: https://github.com/ocornut/imgui
- cPhysics: Project link: https://github.com/TheUserWW/cPhysics.git