From 88f73581a5467cd00aaf7699cd43cfb6216bd1fc Mon Sep 17 00:00:00 2001
From: Stefan Suhren <suhren.stefan@fh-swf.de>
Date: Mon, 14 Dec 2015 16:50:02 +0100
Subject: Add bottom hit detection

---
 src/gldisc.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/gldisc.cpp b/src/gldisc.cpp
index a2c22b5..03a0c6b 100644
--- a/src/gldisc.cpp
+++ b/src/gldisc.cpp
@@ -82,12 +82,21 @@ void GLDisc::makeSurface(QVector<GLPoint> *pointContainer,
 
 bool GLDisc::isHit(QVector3D p1, QVector3D p2)
 {
-    if(!GLBody::isHit(p1, p2))
+    if (!GLBody::isHit(p1, p2))
     {
         return false;
     }
 
+    QVector3D lineVector = p2 - p1;
 
+    QVector3D vecBottom = p1 + lineVector * (-p1.z() / lineVector.z());
+
+    if (vecBottom.length() < m_circleRadius)
+    {
+        return true;
+    }
+
+    return false;
 }
 
 QVector2D GLDisc::calculatePoint(double sideAngle)
-- 
cgit v1.2.3-70-g09d2