38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
Rust
//! This example illustrates how to create a custom diagnostic.
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use bevy::{
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diagnostic::{Diagnostic, DiagnosticId, Diagnostics, LogDiagnosticsPlugin},
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prelude::*,
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};
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins)
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// The "print diagnostics" plugin is optional.
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// It just visualizes our diagnostics in the console.
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.add_plugin(LogDiagnosticsPlugin::default())
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.add_systems(Startup, setup_diagnostic_system)
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.add_systems(Update, my_system)
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.run();
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}
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// All diagnostics should have a unique DiagnosticId.
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// For each new diagnostic, generate a new random number.
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pub const SYSTEM_ITERATION_COUNT: DiagnosticId =
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DiagnosticId::from_u128(337040787172757619024841343456040760896);
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fn setup_diagnostic_system(mut diagnostics: ResMut<Diagnostics>) {
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// Diagnostics must be initialized before measurements can be added.
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// In general it's a good idea to set them up in a "startup system".
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diagnostics.add(Diagnostic::new(
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SYSTEM_ITERATION_COUNT,
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"system_iteration_count",
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10,
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));
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}
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fn my_system(mut diagnostics: ResMut<Diagnostics>) {
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// Add a measurement of 10.0 for our diagnostic each time this system runs.
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diagnostics.add_measurement(SYSTEM_ITERATION_COUNT, || 10.0);
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}
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