3D Renderer

Writing a 3D software renderer to learn the basics of 3D graphics.

Uses SDL for window and input management and for drawing pixels to a color buffer.

Compiling and Running

Follow these steps to build and run the project:

1. Open /projects/Pikuma3DGraphics.sln in Visual Studio 2022.
2. Right click on the 3DRenderer project and go to Properties.
3. Go to Debugging -> And set Working Directory to $(SolutionDir)..\data\ for All Configurations.
4. Click OK.
5. Start debugging by clicking on the Local Windows Debugger green arrow. This will compile and run the project.

Controls

• Escape to quit.
• F9 to take a screenshot. Saved as screenshot-{timestamp}.bmp in the executable directory.
• p to pause.
• f to toggle logging of FPS and average frame time to the terminal.
• g to toggle rendering of background grid.
• z to toggle visualization of the Z buffer.
• 1 to draw only wireframe and vertices.
• 2 to display only wireframe.
• 3 to draw filled.
• 4 to draw both filled and wireframe.
• 5 to enable flat shading.
• 6 to disable shading.
• 7 to display textured.
• 8 to display textured and wireframe.
• c to toggle backface culling.
• WASD - Basic FPS camera movement.
• up/down arrows- Move camera up/down vertically.