X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=be5f9381e976de4e18bfcb35472b8b68cdfa8b82;hb=15e7eefe2053b417820ea6c806edef2e9212289e;hp=64fcdb5959a2086e94a5fd7ce9b181894c6d51cb;hpb=a452fcff3f30b458535e11d3d241d363bfc993b4;p=atyndall%2Fcits2231.git diff --git a/scene.c b/scene.c index 64fcdb5..be5f938 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(); } @@ -592,23 +592,26 @@ drawSquare(0, -1000, -1000, 1000, 1000); glEnable(GL_LIGHTING); } -int drawFloorRecurse = 10; +int drawFloorRecurse = 3; /*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); + printf("Recurse level %d\n", 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); + GLfloat xm = (x1 + x2) / 2.0; + GLfloat ym = (y1 + y2) / 2.0; + int rnew = recurseLevel + 1; + + // 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 (%f, %f) -> (%f, %f)\n", x1, y2, x2, y2); glBegin(GL_QUADS);