From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Fri, 28 Aug 2015 13:28:13 +0000 (+0200)
Subject: fix divide by zero in Chaser AI
X-Git-Url: https://git.localhorst.tv/?a=commitdiff_plain;h=cda510e480aba3702e95059163378822ccac8d17;p=blank.git

fix divide by zero in Chaser AI
---

diff --git a/src/ai/ai.cpp b/src/ai/ai.cpp
index 4a2e310..8cd4f14 100644
--- a/src/ai/ai.cpp
+++ b/src/ai/ai.cpp
@@ -30,6 +30,10 @@ Chaser::~Chaser() {
 void Chaser::Update(int dt) {
 	glm::vec3 diff(Target().AbsoluteDifference(Controlled()));
 	float dist = length(diff);
+	if (dist < std::numeric_limits<float>::epsilon()) {
+		Controlled().Velocity(glm::vec3(0.0f));
+		return;
+	}
 	glm::vec3 norm_diff(diff / dist);
 
 	bool line_of_sight = true;