X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=cad5534fb6f7423db27f4af1b37dad283edc478c;hp=aa3967bf518a0b83cc9a16a08d05f26226bb6ba2;hb=925203328b5abd6d6260181cd45c437d2acadb33;hpb=fe0a6a8ae3ff8a57f0f92e6f9de8d7814886c94d

diff --git a/scene.c b/scene.c
index aa3967b..cad5534 100644
--- a/scene.c
+++ b/scene.c
@@ -558,7 +558,7 @@ void idle() {
   angle = (int)(angle + 10) % 360;
     //angle2 = (int)(angle2 + 10) % 360;
     printf("Angle 1: %f, Angle 2: %f\n", angle, angle2);
-    sleep(2);
+    sleep(25);
     glutPostRedisplay();
 }
 
@@ -583,6 +583,8 @@ void drawFloor() {
     glVertex3fv(floorVertices[3]);
   glEnd();*/
 
+drawSquare(0, -1000, -1000, 1000, 1000);
+
   /*if (useTexture) {
     glDisable(GL_TEXTURE_2D);
   }*/
@@ -590,6 +592,39 @@ void drawFloor() {
   glEnable(GL_LIGHTING);
 }
 
+int drawFloorRecurse = 2;
+/*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 = (x1 + x2) / 2.0;
+    GLfloat ym = (y1 + y2) / 2.0;
+    int rnew = recurseLevel + 1;
+    printf("Recursing to level %d\n", rnew);
+
+    // Split into four sub-quads
+    drawSquare(rnew, x1, y1, xm, ym);
+    drawSquare(rnew, x1, ym, xm, y2);
+    drawSquare(rnew, xm, ym, x2, y2);
+    drawSquare(rnew, xm, y1, x2, ym);
+    
+  } else {
+    printf("Drawing (%.10f, %.10f) -> (%.10f, %.10f)\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
  */