First public release of Rapier.

src/counters/collision_detection_counters.rs

@@ -0,0 +1,32 @@
+use crate::counters::Timer;
+use std::fmt::{Display, Formatter, Result};
+
+/// Performance counters related to collision detection.
+#[derive(Default, Clone, Copy)]
+pub struct CollisionDetectionCounters {
+    /// Number of contact pairs detected.
+    pub ncontact_pairs: usize,
+    /// Time spent for the broad-phase of the collision detection.
+    pub broad_phase_time: Timer,
+    /// Time spent for the narrow-phase of the collision detection.
+    pub narrow_phase_time: Timer,
+}
+
+impl CollisionDetectionCounters {
+    /// Creates a new counter initialized to zero.
+    pub fn new() -> Self {
+        CollisionDetectionCounters {
+            ncontact_pairs: 0,
+            broad_phase_time: Timer::new(),
+            narrow_phase_time: Timer::new(),
+        }
+    }
+}
+
+impl Display for CollisionDetectionCounters {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        writeln!(f, "Number of contact pairs: {}", self.ncontact_pairs)?;
+        writeln!(f, "Broad-phase time: {}", self.broad_phase_time)?;
+        writeln!(f, "Narrow-phase time: {}", self.narrow_phase_time)
+    }
+}