From acb184e15d1fc4e4ed834cb8a2000cae40d079f3 Mon Sep 17 00:00:00 2001
From: Joshua Barretto <joshua.s.barretto@gmail.com>
Date: Thu, 27 Jun 2019 15:37:33 +0100
Subject: [PATCH] Made physics cheaper still

---
 common/src/lib.rs      |  2 +-
 common/src/sys/phys.rs | 13 ++++++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/common/src/lib.rs b/common/src/lib.rs
index 28d881aefa..4a2b6dcaa2 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -1,4 +1,4 @@
-#![type_length_limit = "1652471"]
+#![type_length_limit = "1664759"]
 #![feature(
     euclidean_division,
     duration_float,
diff --git a/common/src/sys/phys.rs b/common/src/sys/phys.rs
index cd51d6ae32..f95d6b839a 100644
--- a/common/src/sys/phys.rs
+++ b/common/src/sys/phys.rs
@@ -145,12 +145,15 @@ impl<'a> System<'a> for Sys {
             vel.0 = integrate_forces(dt.0, vel.0, friction);
 
             // Basic collision with terrain
-            let player_rad = 0.3; // half-width of the player's AABB
-            let player_height = 1.7;
+            let player_rad = 0.3f32; // half-width of the player's AABB
+            let player_height = 1.55f32;
 
-            let dist = 2; // distance to probe the terrain for collisions
-            let near_iter = (-dist..=dist)
-                .map(move |i| (-dist..=dist).map(move |j| (-dist..=dist).map(move |k| (i, j, k))))
+            // Probe distances
+            let hdist = player_rad.ceil() as i32;
+            let vdist = player_height.ceil() as i32;
+            // Neighbouring blocks iterator
+            let near_iter = (-hdist..=hdist)
+                .map(move |i| (-hdist..=hdist).map(move |j| (0..=vdist).map(move |k| (i, j, k))))
                 .flatten()
                 .flatten();