Pyra Engine

A from-scratch C++ game engine featuring DirectX 11 rendering and 11 modular systems, validated through multiple game demos.

Custom C++ EngineDX11GraphicSystem Design

Duration:
Role:

2024.9 - now
Sole Developer

Input System
- Keyboard, Mouse, Xbox Controller (up to 4)
- Priority-based Input Consumer pattern
Audio System using FMOD (3D Audio support)
Event System with command registration
Dev Console with runtime commands
Dear ImGui integration
Game UI System
- Widget hierarchy (Panel, Button, UIImage, UIText)
- Stack-based Panel management
Spatial Optimization
- BVH Tree 2D
- Quad Tree
Math Library
- EulerAngles, Matrix, Quaternion
- Geometric Primitives (AABB, OBB, Plane, Capsule, ConvexHull)
- Spline 2D/3D (Cubic Bezier, Hermite)
- Raycast 2D/3D (vs Disc, AABB, OBB, Sphere, Cylinder, Plane)
- Easing Functions

2D Raycast and Overlap Tests

3D Raycast Tests

2D Physics Test

Spline and Easing Fuctions

Convex Poly and Convex Hull

Spatial and Objects Partitions (BVH and Quad Tree)

A top-down space shooter featuring intense arcade-style combat with diverse enemies and weapons in a rich parallax scrolling environment
- 4 different weapon systems with unique firing patterns and 5 distinct enemy types with unique behavior patterns
- Real-time minimap display providing strategic overview of battlefield positioning
- Multi-layer parallax scrolling background system

A top-down tactical shooter featuring advanced AI pathfinding and procedural map generation with dynamic terrain interaction systems.
- Four distinct enemy types powered by heat map-based pathfinding algorithms with AI route shortcut optimization
- Five unique map types with procedurally generated layouts, multiple ground obstacle types
- High-performance raycast vs grid-based terrian algorithm
- Fluid player movement system and 2 weapons.

A 2D farming simulation game inspired by Stardew Valley, built on custom C++ engine with advanced tile rendering and modular UI systems.
- Advanced tile rendering engine supporting Tiled editor file import, multi-layer rendering, and ruled tile dynamic generation
- Internal UI system organized by Panel-based layer updates, with all components inheriting from Widget base class in tree structure
- Configuration file-based item properties and game data definition system
- Character Animation State Machine

A 3D chess game implementation featuring modern graphics rendering and networked multiplayer gameplay with authentic chess mechanics.
- Blinn-Phong shading model with comprehensive lighting support including point lights and spotlights
- Dynamic shadow generation using shadow mapping techniques
- Skybox implementation creating atmospheric background environments
- Local area network multiplayer support using TCP protocol

Chunk-based Voxel World: 32×32×128 block chunks with dynamic loading/unloading
Terrain Generation: Biome-driven generation using continentalness, erosion, peaks/valleys, temperature, and humidity parameters with procedural tree placement
Multithreaded Chunk Management: Asynchronous chunk generation via Job System with separate queues for generation, loading, and saving
Water Rendering: SSR with refraction, depth-based fog effects, and multi-layer normal-mapped wave animations
Procedural Sky Rendering: Gradient-based atmospheric shader with dynamic sun positioning and view-angle dependent color blending
Dynamic Lighting System: Indoor and outdoor light propagation with smooth brightness transitions
Entity Physics: Swept AABB collision detection using raycast, supporting walking/flying/noclip modes

A 2D farming simulation game inspired by Stardew Valley, built on custom C++ engine with advanced tile rendering and modular UI systems.
- Advanced tile rendering engine supporting Tiled editor file import, multi-layer rendering, and ruled tile dynamic generation
- Internal UI system organized by Panel-based layer updates, with all components inheriting from Widget base class in tree structure
- Configuration file-based item properties and game data definition system
- Character Animation State Machine

A 2D farming simulation game inspired by Stardew Valley, built on custom C++ engine with advanced tile rendering and modular UI systems.
- Advanced tile rendering engine supporting Tiled editor file import, multi-layer rendering, and ruled tile dynamic generation
- Internal UI system organized by Panel-based layer updates, with all components inheriting from Widget base class in tree structure
- Configuration file-based item properties and game data definition system
- Character Animation State Machine