From 18c08dd86022397a371326ed84499ed44998aefa Mon Sep 17 00:00:00 2001
From: Patrick Greene <patrickisgreene@protonmail.com>
Date: Mon, 6 Sep 2021 19:16:08 +0000
Subject: [PATCH] add get_history function to Diagnostic (#2772)

# Objective

- Allow access to diagnostic history value.
- Fixes #2771.

## Solution

- Add Diagnostic::get_history function.
---
 crates/bevy_diagnostic/src/diagnostic.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/crates/bevy_diagnostic/src/diagnostic.rs b/crates/bevy_diagnostic/src/diagnostic.rs
index 4256d72e98..7d8cfaebca 100644
--- a/crates/bevy_diagnostic/src/diagnostic.rs
+++ b/crates/bevy_diagnostic/src/diagnostic.rs
@@ -119,6 +119,14 @@ impl Diagnostic {
     pub fn get_max_history_length(&self) -> usize {
         self.max_history_length
     }
+
+    pub fn values(&self) -> impl Iterator<Item = &f64> {
+        self.history.iter().map(|x| &x.value)
+    }
+
+    pub fn measurements(&self) -> impl Iterator<Item = &DiagnosticMeasurement> {
+        self.history.iter()
+    }
 }
 
 /// A collection of [Diagnostic]s