How Do I Implement Snake Body Growth and Movement in a Video Game?

How Can I Extend the Snake and Connect Its Body Components During Movement?

When implementing a snake video game, you want its body to lengthen with each consumption of food and follow the head's path.

There are two main types of snake movement patterns: grid-based and free-form.

Grid-Based Snake

In this scenario, the snake moves within a grid, and its body components are constrained to specific grid cells. When the head moves, a new component is added to the front of the list, and the tail component is removed from the end. This maintains the list's constant length and the snake's position within the grid.

Free-Form Snake

With this type, the snake's movement is not restricted to grid cells, allowing it to move smoothly through the playing field. To achieve this, you need to maintain a list of the snake's head positions (track). As the head moves, the list is expanded.

To determine where to place the body components, you calculate the distance between the last component and the head's current position. When the distance exceeds a specified threshold, a new body component is added to the list.

This process ensures that the snake's body components form a chain-like pattern, following the head's movement.

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