Experience an endless array of objects

Question

Experience an endless array of objects

This demonstration showcases the ability to navigate within a group of spheres within specific boundaries. My goal is to explore infinitely among them. What steps should I take to achieve this?

javascript three.js

Answer 1

Answer №1

To effectively optimize performance in a WebGL game, consider reusing spheres positioned behind the camera by moving them in front of it. An example of this technique can be seen here, where the programmer anticipates the user's direction and strategically removes unnecessary elements.

If implementing a similar strategy in your project, where user direction is unpredictable, adjust your code accordingly. One approach is to regularly check the distances of all spheres in relation to the camera. If a sphere is too distant, mirror it to face the camera while concealing it behind the fog.

Depending on the number of spheres in your scene, the frequency of distance checking can vary:

For smaller scenes with few spheres, checking distances in the render loop is feasible, albeit resource-intensive. Alternatively, consider utilizing a web worker to offload computations and optimize performance.
Opting for a web worker allows for more efficient processing, sending position data to compute sphere movements and receiving instructions for updating positions. Determine the optimal frequency based on your scene complexity and performance requirements.

For scenes with numerous objects, merging them into a single geometry can enhance performance by reducing the number of individual meshes. Consider optimizing for efficiency by organizing spheres based on position attributes or vertex indices.

However, consolidating meshes may increase processing time for the web worker. Balance the trade-off between performance gains and computational overhead based on your project's specific needs.

While optimizing performance through merging objects can streamline rendering, be mindful of potential trade-offs with level of detail. Consider integrating custom solutions to maintain clarity while implementing performance enhancements.

Answer 2

To effectively optimize performance in a WebGL game, consider reusing spheres positioned behind the camera by moving them in front of it. An example of this technique can be seen here, where the programmer anticipates the user's direction and strategically removes unnecessary elements.

If implementing a similar strategy in your project, where user direction is unpredictable, adjust your code accordingly. One approach is to regularly check the distances of all spheres in relation to the camera. If a sphere is too distant, mirror it to face the camera while concealing it behind the fog.

Depending on the number of spheres in your scene, the frequency of distance checking can vary:

For smaller scenes with few spheres, checking distances in the render loop is feasible, albeit resource-intensive. Alternatively, consider utilizing a web worker to offload computations and optimize performance.
Opting for a web worker allows for more efficient processing, sending position data to compute sphere movements and receiving instructions for updating positions. Determine the optimal frequency based on your scene complexity and performance requirements.

For scenes with numerous objects, merging them into a single geometry can enhance performance by reducing the number of individual meshes. Consider optimizing for efficiency by organizing spheres based on position attributes or vertex indices.

However, consolidating meshes may increase processing time for the web worker. Balance the trade-off between performance gains and computational overhead based on your project's specific needs.

While optimizing performance through merging objects can streamline rendering, be mindful of potential trade-offs with level of detail. Consider integrating custom solutions to maintain clarity while implementing performance enhancements.

Answer 3

Answer №2

To create the illusion of an infinite world, consider the following steps:

Divide your world space into regions, such as cubes.
Determine the region you are currently in.
Ensure that neighboring regions have objects (spheres). Fill empty regions if necessary.
Clean up regions that are no longer needed.

You can implement a class like the following:

class Region {
    bool isEmpty = true;
    Vector3 center;
    float radius; // or 'range'
    Array<Sphere> = null; // store your objects

    // constructors / destructor

    generateObjects(params); // consider using perlin noise
    removeObjects();
}

Periodically update regions with a method like this:

void updateRegions() {
    computeClosestGridCoord(myPosition); // center of your current region
    lookForNeighbourRegions(regionsArray); // add new Region if necessary
    deleteOldRegionsStuff(regionsArray);
}

Answer 4

To create the illusion of an infinite world, consider the following steps:

Divide your world space into regions, such as cubes.
Determine the region you are currently in.
Ensure that neighboring regions have objects (spheres). Fill empty regions if necessary.
Clean up regions that are no longer needed.

You can implement a class like the following:

class Region {
    bool isEmpty = true;
    Vector3 center;
    float radius; // or 'range'
    Array<Sphere> = null; // store your objects

    // constructors / destructor

    generateObjects(params); // consider using perlin noise
    removeObjects();
}

Periodically update regions with a method like this:

void updateRegions() {
    computeClosestGridCoord(myPosition); // center of your current region
    lookForNeighbourRegions(regionsArray); // add new Region if necessary
    deleteOldRegionsStuff(regionsArray);
}

Experience an endless array of objects

Answer №1

Answer №2

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