Introduction to 3D Rendering Technologies: OpenGL, OpenGL ES, WebGL, and Front‑End Engines
The article introduces core 3D rendering concepts, tracing the evolution from desktop OpenGL to mobile OpenGL ES and its JavaScript counterpart WebGL, explains GLSL shader programming, reviews common model formats like OBJ and FBX, highlights front‑end engines such as Three.js, compares rasterization with ray tracing, and mentions modeling tools and emerging AI‑driven techniques.