target: esp32 or PIC32MK.
This engine uses a scanline method. Raytrace generates high-quality images, but it's also too slow to use as a real-time rendering engine. Only flat shading is supported for now. Memory for z-buffer size can be adjusted to your project, it's a trade-off between performance and memory resources.

===drawing speed===
esp32 @240MHz
1800 faces (triangles, 300 poly x 6 models), 20fps.
ST7735S

pic32mk @114.54MHz (60MHz of CPU resources is used to generate NTSC signal;;)
500 faces 20fps
NTSC (for TV, 1024 colors)