From: Ash Tyndall <git@atyndall.net>
Date: Tue, 18 Oct 2011 11:30:06 +0000 (+0800)
Subject: (no commit message)
X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=commitdiff_plain;h=9f1ff4bb4917d0dedec9d57c50d066a99d890241

---

diff --git a/scene.c b/scene.c
index aa3967b..a2da934 100644
--- a/scene.c
+++ b/scene.c
@@ -583,6 +583,8 @@ void drawFloor() {
     glVertex3fv(floorVertices[3]);
   glEnd();*/
 
+drawSquare(0, -1000, -1000, 1000, 1000);
+
   /*if (useTexture) {
     glDisable(GL_TEXTURE_2D);
   }*/
@@ -590,6 +592,32 @@ void drawFloor() {
   glEnable(GL_LIGHTING);
 }
 
+int drawFloorRecurse = 10;
+/*void drawSquare(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {
+  drawSquare(0, x1, y1, x2, y2);
+}*/
+
+void drawSquare(int recurseLevel, GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {
+
+  if ( drawFloorRecurse != recurseLevel ) {
+    GLfloat xm = (x2 - x1) / 2;
+    if ( x1 > x2 ) {
+      xm = (x1 - x2) / 2;
+    }
+
+    drawSquare(recurseLevel + 1, x1, y1, xm, y2);
+    drawSquare(recurseLevel + 1, xm, y1, x2, y2);
+  } else {
+    glBegin(GL_QUADS);
+      glVertex3f(x1, 0.0, y1);
+      glVertex3f(x1, 0.0, y2);
+      glVertex3f(x2, 0.0, y2);
+      glVertex3f(x2, 0.0, y1);
+    glEnd();
+  }
+
+}
+
 /**
  * Display function
  */