From 14f04c5c352643ec98fc954065eeb65651414feb Mon Sep 17 00:00:00 2001
From: titiger <titi_linux@megaglest.org>
Date: Sun, 15 Mar 2015 01:46:49 +0100
Subject: [PATCH] fix for mesh bound particles

---
 source/glest_game/type_instances/unit.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/source/glest_game/type_instances/unit.cpp b/source/glest_game/type_instances/unit.cpp
index bce185dc..8d312724 100644
--- a/source/glest_game/type_instances/unit.cpp
+++ b/source/glest_game/type_instances/unit.cpp
@@ -4178,7 +4178,13 @@ void Unit::setMeshPosInParticleSystem(UnitParticleSystem *ups){
 	if(ups->getMeshName()!=""){
 		string meshName=ups->getMeshName();
 		Model *model= getCurrentModelPtr();
-		model->updateInterpolationVertices(getAnimProgressAsFloat(), isAlive() && !isAnimProgressBound());
+
+		// as it can happen that anim progress is a bit out of range we correct it to get something valid for the particle positions.
+		float currentAnimProgress=getAnimProgressAsFloat();
+		if( currentAnimProgress>1.f || currentAnimProgress<0.f) {
+			currentAnimProgress=0.f;
+		}
+		model->updateInterpolationVertices(currentAnimProgress, isAlive() && !isAnimProgressBound());
 
 		bool foundMesh=false;
 		for(unsigned int i=0; i<model->getMeshCount() ; i++){