You will use these calculations to update the player's coordinates and then redraw the scene from the player's new perspective. You should create custom blocks (functions) to handle repetitive tasks, such as drawing the grid, rendering walls, or calculating the FOV (Field of View).
Mastering Player Controls for a 3D Scratch Game
You draw vertical lines across the screen, and for each line, you calculate the distance to the nearest wall by stepping through the 3D grid. This process involves understanding perspective, depth, and spatial logic to trick the brain into seeing volume where there is only a flat stage.
In a 3D environment, you must handle strafing (moving left and right) and forward/backward motion relative to the direction the player is facing, not just the left-right axis of the stage. A successful 3D environment, even a simple one, requires a clear design.
Mastering Player Controls for 3D Movement in Scratch
The height of the line on the screen is determined by the distance, creating the illusion of walls stretching into the distance. Understanding the 3D Illusion in a 2D World The foundation of any 3D game in Scratch is the illusion of depth.
More About How to make a 3d game in scratch
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