The ONLY Pet Display System You’ll Ever Need | Roblox Studio

How to Build a Modular Pet Display System in Roblox

Introduction to the Pet Display System

• The video addresses the challenges of hard-coded positions in pet displays within Roblox, emphasizing the need for a modular system that adapts dynamically to various numbers of pets.

• The creator aims to guide viewers through building a scalable pet display system that can arrange models in grids or columns effectively.

Basics of Displaying One Pet

• Before diving into advanced features, the tutorial starts with displaying a single pet model (a cat) in front of the camera.

• Proper setup requires defining a primary part for each model; for instance, the cat model has a transparent part as its primary component.

• Ensuring correct orientation is crucial; using indicators helps verify that models face the right direction.

Implementing a Simple Camera System

• A local script is introduced to create a basic camera system that updates every frame, positioning the pet relative to where the camera is facing.

• The position variable calculates where to place the pet by adding an offset based on the camera's look vector and distance from it (set at six studs).

• This ensures that when playtesting, pets are consistently positioned and oriented towards the camera view.

Expanding to Multiple Pets: Columns and Grids

• Transitioning from one pet to multiple pets involves creating scripts that manage their arrangement in columns and grids efficiently.

• Key functions include calculating necessary rows and columns based on total pets; edge cases are handled for scenarios with only one pet.

• The calculate grid function uses mathematical operations (like square roots) to determine optimal column width versus height ratios for better visual layout.

Calculating Grid Offsets

• Another critical function determines specific offsets for each pet's position within the grid based on its index, ensuring proper alignment across both axes (X and Y).

• By utilizing modulo operations and division, this function identifies which column and row each pet belongs to while centering them horizontally and vertically within their designated spaces.

• Adjustments are made so that spacing between pets is consistent, enhancing overall aesthetics when displayed together in groups.

Understanding Pet Positioning in a Grid

Y Offset Calculation

• The Y offset is adjusted by flipping the subtraction to ensure that the top row is positive and the bottom row is negative, allowing for correct vertical positioning of pets.

• The function responsible for updating pet positions calculates each pet's position in the grid based on camera parameters like position and look vectors.

Grid Dimensions and Pet Positioning

• The grid dimensions are determined by the number of pet models, looping through each pet to calculate its offset within the grid.

• Each pet's world position starts from the camera position, moving forward using a forward vector multiplied by a specified distance, then adjusting left/right with an X offset.

Rotation and Visual Adjustments

• Pets are oriented to face the same direction as the camera without directly following it to avoid unnatural movements; this includes adding a subtle tilt based on their horizontal placement.

• A final C frame is constructed for each pet that incorporates both orientation towards the camera and side angle adjustments for better visibility.

Starting and Stopping Pet Display

• The stop function disconnects any existing connections, destroys all pets, and resets the display table.

• When starting again, pets are cloned from storage into workspace while ensuring previous displays are cleared before initializing new ones.

Limitations of Pet Display System

• While displaying up to 15 pets looks good, increasing beyond this (e.g., 30 or more) can lead to spacing issues where some pets become invisible due to overcrowding.

• Although not perfect for extreme cases (like 99 pets), this system works well within typical game limits where maximum visible pets might be around eight due to game passes.

Utilizing Pet Display Module

Overview of Module Functionality

• A module version of the pet display system allows easier integration across different scripts while maintaining similar functionality as previously discussed.

Configuration Options

• Default configuration values include distance (8), spacing (2.5), and vertical offset (0), which can be customized when calling pet display.st.start.

Implementation Steps

• To implement this module, first retrieve it along with necessary assets from replicated storage before invoking its start method with desired configurations.

How to Manage Pet Displays in a Game

Cloning Pets for Display

• The process involves cloning a cat three times to create multiple instances for display. This method allows easy addition of more pets by simply copying the existing code.

• In this example, three cats are sent to the pet display without changing any configurations, demonstrating how to manage pet instances effectively.

Limitations on Number of Pets

• While displaying up to 30 pets looks acceptable, exceeding that number (like 40 or 50) can lead to cramped visuals.

• Most simulators typically limit the number of pets displayed at once to around eight, with some allowing up to 20 or 25.

Managing Pet Display Features

• The pet display system includes a stop function that halts pet hatching and an optional parameter for destroying models when stopped.

• Users can adjust spacing and distance between pets during an active display session, enhancing visual organization.

Vertical Offset Adjustments

• A vertical offset feature allows users to position pets higher or lower in the display; setting it to one stud raises them accordingly.

• Speed settings can be adjusted for animations; increasing speed makes movements quicker and more dynamic.

Animation Control with Promises

• To prevent overlapping animations (e.g., moving pets up then down), using promises ensures sequential execution of commands without interference.

• Additional features include instant vertical offset adjustments and methods for retrieving current offsets, providing flexibility in managing pet displays.