X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=c37c4a3d2719c23fba4f27326aac67a8c8393225;hp=cc96c000b02175c00ea79f6ea6da46dcf7d1632d;hb=eb6ba5c01c4256e8212dfc5d9b6630dcdb258dc2;hpb=9288707184d4d55b5302ebdb0dd6055cf883cd15

diff --git a/scene.c b/scene.c
index cc96c00..c37c4a3 100644
--- a/scene.c
+++ b/scene.c
@@ -556,61 +556,29 @@ motion(int x, int y)
 
 void idle() {
   angle = (int)(angle + 10) % 360;
-    //angle2 = (int)(angle2 + 10) % 360;
-    printf("Angle 1: %f, Angle 2: %f\n", angle, angle2);
-    sleep(25);
-    glutPostRedisplay();
-}
-
-/**
- * Draw a floor.
- */
-void drawFloor() {
-  glDisable(GL_LIGHTING);
-
-  //if (useTexture) {
-  //  glEnable(GL_TEXTURE_2D);
-  //}
-
-  /*glBegin(GL_QUADS);
-    glTexCoord2f(0.0, 0.0);
-    glVertex3fv(floorVertices[0]);
-    glTexCoord2f(0.0, 16.0);
-    glVertex3fv(floorVertices[1]);
-    glTexCoord2f(16.0, 16.0);
-    glVertex3fv(floorVertices[2]);
-    glTexCoord2f(16.0, 0.0);
-    glVertex3fv(floorVertices[3]);
-  glEnd();*/
-
-drawSquare(0, -1000, -1000, 1000, 1000);
-
-  /*if (useTexture) {
-    glDisable(GL_TEXTURE_2D);
-  }*/
-
-  glEnable(GL_LIGHTING);
+  //angle2 = (int)(angle2 + 10) % 360;
+  printf("Angle 1: %f, Angle 2: %f\n", angle, angle2);
+  sleep(1);
+  glutPostRedisplay();
 }
 
-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) {
+int drawFloorRecurse = 5;
 
-  printf("Recurse level %d\n", recurseLevel);
+void drawSquare(int recurseLevel, float x1, float y1, float x2, float y2) {
 
   if ( drawFloorRecurse != recurseLevel ) {
-    GLfloat xm = (x2 - x1) / 2.0;
-    if ( x1 > x2 ) {
-      xm = (x1 - x2) / 2.0;
-    }
+    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);
 
-    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);
@@ -621,6 +589,23 @@ void drawSquare(int recurseLevel, GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2
 
 }
 
+/**
+ * Draw a floor.
+ */
+void drawFloor() {
+ 
+drawSquare(0, -1000.0, -1000.0, 1000.0, 1000.0);
+
+  /*if (useTexture) {
+    glDisable(GL_TEXTURE_2D);
+  }*/
+
+}
+
+/*void drawSquare(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {
+  drawSquare(0, x1, y1, x2, y2);
+}*/
+
 /**
  * Display function
  */
@@ -628,7 +613,7 @@ void display() {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   glLoadIdentity();
   gluLookAt(
-    0.0, 0.0, 60.0,  /* eye is at (x,y,z) */
+    0.0, 0.0, 30.0,  /* eye is at (x,y,z) */
     0.0, 0.0,  0.0,  /* center is at (x,y,z) */
     0.0, 1.0,  0.0   /* up is in postivie Y direction */
     );
@@ -641,7 +626,7 @@ void display() {
 
   glPushMatrix();
       /* Perform scene rotations based on user mouse input. */
-    glRotatef(angle2, 1.0, 0.0, 0.0);
+    //glRotatef(angle2, 1.0, 0.0, 0.0);
     glRotatef(angle, 0.0, 1.0, 0.0);
 
     glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);