X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=73e04ee54289719aea1130d1fd9e3d174eb38408;hp=af895dedbc35692dcda2e3429b5d0be765ff9090;hb=306ea5fbd16870427a441b947c4d700f3a7147de;hpb=ce62731a7b410f8514d121cc296ed53d96c5ddf3

diff --git a/scene.c b/scene.c
index af895de..73e04ee 100644
--- a/scene.c
+++ b/scene.c
@@ -484,8 +484,8 @@ void makeMenu() {
  * @param h New height
  */
 void windowReshape(int w, int h) {
-  GLdouble near = -10.0;
-  GLdouble far = 10.0;
+  GLdouble near = -1000.0;
+  GLdouble far = 1000.0;
 
   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
   glMatrixMode(GL_PROJECTION);
@@ -556,10 +556,37 @@ motion(int x, int y)
 
 void idle() {
   angle = (int)(angle + 10) % 360;
-    angle2 = (int)(angle2 + 10) % 360;
-    printf("Angle 1: %d, Angle 2: %d", angle, angle2);
-    sleep(2);
-    glutPostRedisplay();
+  //angle2 = (int)(angle2 + 10) % 360;
+  printf("Angle 1: %f, Angle 2: %f\n", angle, angle2);
+  sleep(1);
+  glutPostRedisplay();
+}
+
+
+int drawFloorRecurse = 5;
+
+void drawSquare(int recurseLevel, float x1, float y1, float x2, float y2) {
+
+  if ( drawFloorRecurse != recurseLevel ) {
+    float xm = (x1 + x2) / 2.0;
+    float 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 {
+    glBegin(GL_QUADS);
+      glVertex3f(x1, 0.0, y1);
+      glVertex3f(x1, 0.0, y2);
+      glVertex3f(x2, 0.0, y2);
+      glVertex3f(x2, 0.0, y1);
+    glEnd();
+  }
+
 }
 
 /**
@@ -583,6 +610,8 @@ void drawFloor() {
     glVertex3fv(floorVertices[3]);
   glEnd();*/
 
+drawSquare(0, -1000.0, -1000.0, 1000.0, 1000.0);
+
   /*if (useTexture) {
     glDisable(GL_TEXTURE_2D);
   }*/
@@ -590,6 +619,10 @@ void drawFloor() {
   glEnable(GL_LIGHTING);
 }
 
+/*void drawSquare(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {
+  drawSquare(0, x1, y1, x2, y2);
+}*/
+
 /**
  * Display function
  */
@@ -622,7 +655,7 @@ void display() {
 
     glPushMatrix();
     
-      glTranslatef(0.0, 0.0, 0.0);
+      //glTranslatef(0.0, 0.0, 0.0);
       glutWireTeapot(30); // Draw teapot for test
     glPopMatrix();
 
@@ -650,10 +683,10 @@ void init() {
   glLoadIdentity();
 
   gluPerspective(
-     60.0,  /* field of view in degree */
-      1.0,  /* aspect ratio */ 
-      0.0,  /* Z near */
-    900.0   /* Z far */
+       60.0,  /* field of view in degree */
+        1.0,  /* aspect ratio */
+    -1000.0,  /* Z near */
+     1000.0   /* Z far */
     );    
 
   glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);