Creating a 3D Minecraft-like game involves several key components that mimic the core features of Minecraft while ensuring an engaging gameplay experience. To start, you will need a game engine that supports 3D graphics, such as Unity or Unreal Engine. The first step is to implement procedural terrain generation, which can be achieved using Perlin noise or similar algorithms to create varied landscapes. This will allow for the dynamic creation of terrain as players explore the world. Next, you should develop an inventory system that allows players to collect, store, and use items. This can be done by creating a data structure to hold item information, such as type, quantity, and properties. The inventory should be accessible through a user interface that players can easily navigate. Incorporating a survival mode requires implementing health and hunger mechanics, where players must gather resources to survive. This includes adding mobs, which can be programmed with simple AI to interact with players, either as threats or as passive creatures. Building and breaking mechanics are essential; you can achieve this by allowing players to place and remove blocks from the world, updating the game state accordingly. To create a blocky sun that glows, you can use a directional light source in your game engine, ensuring it casts shadows and illuminates the environment realistically. Optimization is crucial for performance; implement frustum culling to ensure that only blocks within the player's view are rendered. This can be done by checking the camera's view frustum against the positions of the blocks in the world. Finally, ensure that the game runs smoothly by profiling performance and making adjustments as necessary, such as reducing the number of polygons in models or using lower-resolution textures for distant objects. By following these steps, you can create a 3D game that captures the essence of Minecraft while providing a unique experience for players.