From c52f0027f7fccb18818dae96c021a4baacdc1f48 Mon Sep 17 00:00:00 2001
From: Ash Tyndall <git@atyndall.net>
Date: Wed, 19 Oct 2011 20:15:15 +0800
Subject: [PATCH]

---
 scene.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/scene.c b/scene.c
index 9fb79f8..60fde81 100644
--- a/scene.c
+++ b/scene.c
@@ -607,6 +607,24 @@ void drawFloor() {
   drawSquare(0, -floorSize, -floorSize, floorSize, floorSize);
 }
 
+/**
+ * Draw x, z axis on floor
+ */
+void drawLine() {
+    glDisable(GL_TEXTURE_2D);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glColor4ub( 0.0, 0.0, 0.0, 0.0 );
+
+    glBegin(GL_LINES);
+    glVertex3i( 10.0, 0, 0.0);
+    glVertex3i( -10.0, 0, 0.0);
+    glEnd();
+
+    glDisable(GL_BLEND);
+    glEnable(GL_TEXTURE_2D);
+}
+
 /**
  * Display function
  */
@@ -639,6 +657,7 @@ void display() {
 
     drawFloor();
 
+
     // Draw teapot for a test object
     glPushMatrix();
       glTranslatef(0.0, 1.0, 0.0); // **NOTE: Teapot does not rest on surface
-- 
2.20.1