From 8b384fb257f144212a17692bd91cf77b94d5c963 Mon Sep 17 00:00:00 2001
From: Auke Kok <sofar@foo-projects.org>
Date: Sat, 16 Apr 2016 12:13:13 -0700
Subject: [PATCH] TNT: randomly vary ejecting velocity

We add a +/- 0.5 random value to the velocity vector of
ejecting nodes.

I've spotted a lot of nodes going exactly straight up if blowing
up sand above TNT. The extra variation looks less artificial.
---
 mods/tnt/init.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mods/tnt/init.lua b/mods/tnt/init.lua
index b48a56b9..1c92c5e4 100644
--- a/mods/tnt/init.lua
+++ b/mods/tnt/init.lua
@@ -123,6 +123,13 @@ local function calc_velocity(pos1, pos2, old_vel, power)
 	-- Add old velocity
 	vel = vector.add(vel, old_vel)
 
+	-- randomize it a bit
+	vel = vector.add(vel, {
+		x = math.random() - 0.5,
+		y = math.random() - 0.5,
+		z = math.random() - 0.5,
+	})
+
 	-- Limit to terminal velocity
 	dist = vector.length(vel)
 	if dist > 250 then