From 87ce1a7351da490571de518590998d4b803fe344 Mon Sep 17 00:00:00 2001
From: AnyOldName3 <krizdjali+github@gmail.com>
Date: Thu, 28 Jan 2021 23:30:24 +0000
Subject: [PATCH] Explain stomp constants

---
 files/shaders/groundcover_vertex.glsl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/files/shaders/groundcover_vertex.glsl b/files/shaders/groundcover_vertex.glsl
index 9cba204d69..d7d221e45f 100644
--- a/files/shaders/groundcover_vertex.glsl
+++ b/files/shaders/groundcover_vertex.glsl
@@ -68,8 +68,10 @@ vec2 groundcoverDisplacement(in vec3 worldpos, float h)
     float d = length(worldpos.xy - footPos.xy);
 #endif
     vec2 stomp = vec2(0.0);
-    if (d < 150.0 && d > 0.0)
-        stomp = (60.0 / d - 0.4) * (worldpos.xy - footPos.xy);
+    const float STOMP_RANGE = 150.0; // maximum distance from player that grass is affected by stomping
+    const float STOMP_DISTANCE = 60.0; // maximum distance stomping can move grass
+    if (d < STOMP_RANGE && d > 0.0)
+        stomp = (STOMP_DISTANCE / d - STOMP_DISTANCE / STOMP_RANGE) * (worldpos.xy - footPos.xy);
 
 #if 1
     stomp *= clamp((worldpos.z - footPos.z) / h, 0.0, 1.0);