-static GLfloat lightColor[] = {0.8, 1.0, 0.8, 1.0}; /* green-tinted */\r
-static GLfloat lightPosition[4];\r
-static float lightAngle = 0.0, lightHeight = 20;\r
+void drawSquare(int recurseLevel, GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {\r
+\r
+ printf("Recurse level %d\n", recurseLevel);\r
+\r
+ if ( drawFloorRecurse != recurseLevel ) {\r
+ GLfloat xm = (x1 + x2) / 2.0;\r
+ GLfloat ym = (y1 + y2) / 2.0;\r
+ int rnew = recurseLevel + 1;\r
+\r
+ // Split into four sub-quads\r
+ drawSquare(rnew, x1, y1, xm, ym);\r
+ drawSquare(rnew, x1, ym, xm, y2);\r
+ drawSquare(rnew, xm, ym, x2, y2);\r
+ drawSquare(rnew, xm, y1, x2, ym);\r
+ \r
+ } else {\r
+ printf("Drawing (%f, %f) -> (%f, %f)\n", x1, y2, x2, y2);\r
+ glBegin(GL_QUADS);\r
+ glVertex3f(x1, 0.0, y1);\r
+ glVertex3f(x1, 0.0, y2);\r
+ glVertex3f(x2, 0.0, y2);\r
+ glVertex3f(x2, 0.0, y1);\r
+ glEnd();\r
+ }\r