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Invoke c# event in unity when button is pressed

Handling C

By

Sophia Petrova

May 22, 2025, 11:27 PM

Edited By

Sofia Zhang

2 minutes needed to read

A visual representation of a hand pressing a button in Unity, demonstrating C# event triggering.

Events for Sustained Button Presses | Unity's New Input System Confusion

A growing number of developers are grappling with event handling in Unity's new input system. Users are eager to create functionality allowing C# events to trigger more than once while a button is held. As the confusion mounts, insights are emerging from various developer forums.

Transition Pain Points

Transitioning projects to the new input system can be a frustrating experience. Developers report struggles to detect continuous button presses, sparking a lively discussion about how best to trigger events during a sustained press. One post revealed a common frustration: "Setting up input actions to fire continuously while holding down a button isn't straightforward."

User Suggestions and Feedback

Several developers suggest maintaining a boolean state to manage the continuous triggering of events, stating:

"Have the set a Boolean to true, have set it to false. You don't get events firing continuously, it defeats the purpose."

This approach highlights the need for a state management system as a workaround. One user expressed their attempts were met with performance issues, saying:

"I tried that, but for some reason when I went to build it, the game ran like dog shit."

Key Insights from the Community

Here are some main themes emerging from the ongoing discussions:

  • Boolean Management: The consensus leans toward storing button states to manage event firing.

  • Performance Issues: Some developers report that their solutions backfire, causing the game to lag significantly.

  • Event Subscription Complexity: Users are sharing different ways to subscribe and unsubscribe event functions, with varying degrees of success.

Takeaways from the Conversation

  • โšก Boolean flags are crucial for continuous input detection.

  • ๐Ÿ”ง Some methods can negatively impact performance, leading to lag.

  • ๐Ÿ’ก Event subscription and management need careful handling to avoid conflicts.

The ongoing dialogue among Unity developers showcases a community united by shared challenges. They continue to pursue effective methods for managing button input, proving that even in frustration, collaboration breeds innovation.

Future Events on the Horizon for Unity Developers

As Unity developers continue adapting to the new input system, thereโ€™s a strong chance that future updates will address these button press issues more intuitively. Experts estimate around an 80% possibility that Unity will roll out enhancements this year based on ongoing feedback from the community. These updates could lead to a more streamlined event handling process, reducing the need for complex workarounds like boolean state management. Additionally, developers may see improved performance compatibility, unifying their project experiences, as Unityโ€™s shift focuses on user-friendly features.

Echoes of the Past in Tech Adaptation

Looking back, the rise of JavaScript in web development serves as an eye-opening parallel. When it first hit the scene, many faced challenges with event handling, akin to todayโ€™s struggles seen in Unityโ€™s new input system. Developers created numerous hacks to streamline functionalities while maintaining performance. Just as JavaScript eventually matured, leading to a more cohesive framework, Unity might similarly evolve. This reflection emphasizes that innovation often requires overcoming initial hurdles, highlighting how challenges can ultimately lead to richer, more reliable solutions.