X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=64fcdb5959a2086e94a5fd7ce9b181894c6d51cb;hb=a452fcff3f30b458535e11d3d241d363bfc993b4;hp=aa3967bf518a0b83cc9a16a08d05f26226bb6ba2;hpb=fe0a6a8ae3ff8a57f0f92e6f9de8d7814886c94d;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index aa3967b..64fcdb5 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 +592,35 @@ 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) {
+
+  printf("Recurse level %d", recurseLevel);
+
+  if ( drawFloorRecurse != recurseLevel ) {
+    GLfloat xm = (x2 - x1) / 2.0;
+    if ( x1 > x2 ) {
+      xm = (x1 - x2) / 2.0;
+    }
+
+    drawSquare(recurseLevel + 1, x1, y1, xm, y2);
+    drawSquare(recurseLevel + 1, xm, y1, x2, y2);
+  } else {
+    printf("Drawing (%f, %f) -> (%f, %f)\n", x1, y2, x2, y2);
+    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
  */