TinyEngine

A tiny game engine based on opengl (Not Finished)

Main Feature

• Now
  • Forward Rendering
  • Shadow mapping
  • PCF/PCSS
  • Deferred Rendering
  • PBR
  • Tonemapping
  • SSR
  • FXAA (Console)
  • ImGUI
  • Skeletal Animation
• Later (If I have time and interest later)
  • Cloth Simulation
  • SPH/PBD

Environment

• VS2019 x86 DEBUG
• glad glfw3 Dear Imgui-Dock assimp-v.5.0.0.rc2

User Guide

• Camera Control: W/S/A/D/Q/E forward / back / left / right / up / down
• H -> hide mouse cursor
• If you want to show different pass texture, please define DEBUG in macro.h
• Create Lights in graphics/light/LightManager.cpp InitBasicLights()
• Create Models in graphics/Scene.cpp init
• If you want to enable SSR please edit in PassThrough.frag
• The Sponza resource is too big, I don't upload

Show some result

• Simple GUI

• Simple Linear Skeleton Animation

• Simple SSR

Problem encountered:

• PCSS may light leaking, we should avoid higher object hiding lower object in shadow map space. Otherwise, bigger filtersize will be choose

• Dear IMGUI TreeNode's input name should be different, otherwise they are the same, you will control all at the same time
• Circular Include
• Skeleton Animation, pass int (when pass BoneID) Should use "glVertexAttribIPointer" not "glVertexAttribPointer"