From 9ac3e6642165d953cb376f3122f7aba69bce301f Mon Sep 17 00:00:00 2001
From: Kyle K <kylek389@gmail.com>
Date: Fri, 15 Oct 2010 00:54:02 -0500
Subject: Check OpenGL version, moved some code around, renamed functions

---
 sdl/gltools.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

(limited to 'sdl/gltools.c')

diff --git a/sdl/gltools.c b/sdl/gltools.c
index d6c518f..756112b 100644
--- a/sdl/gltools.c
+++ b/sdl/gltools.c
@@ -2,6 +2,8 @@
  *
  * OpenGL Tools
  *
+ * notes: some function modify current color, just fyi
+ *
  */
 
 #include "math3d.h"
@@ -235,6 +237,25 @@ void gltDrawTriangle(void)
     glEnd();
 }
 
+void gltDrawGround(void)
+{
+    GLfloat fExtent = 20.0f;
+    GLfloat fStep = 0.5f;
+    GLfloat y = -0.4f;
+    GLfloat iLine;
+
+    glLineWidth(1.0f);
+    glBegin(GL_LINES);
+    for (iLine = -fExtent; iLine <= fExtent; iLine += fStep)
+    {
+        glVertex3f(iLine, y, fExtent);
+        glVertex3f(iLine, y, -fExtent);
+        glVertex3f(fExtent, y, iLine);
+        glVertex3f(-fExtent, y, iLine);
+    }
+    glEnd();
+}
+
 void gltDrawUnitAxes(void)
 {
     GLUquadricObj *pObj; /* temporary, used for quadrics */
@@ -345,20 +366,10 @@ void gltDrawTorus(GLfloat majorRadius, GLfloat minorRadius, GLint numMajor,
     }
 }
 
-/* this function just specifically draws the jet */
-/* FIXME: needs to accepts parameters of location and lightning */
-void gltDrawJet(int nShadow)
+void gltDrawJet(void)
 {
     M3DVector3f vNormal;
 
-    /* nose cone, set material color, note we only have to set to black 
-     * for the shadow once 
-     */
-    if (nShadow == 0)
-        glColor3ub(128, 128, 128);
-    else
-        glColor3ub(0, 0, 0);
-
     /* nose cone, points straight down, set material color */
     /* follow few lines use manual approach */
     glBegin(GL_TRIANGLES);
-- 
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