(no commit message)

[atyndall/cits2231.git] / scene.c

diff --git a/scene.c b/scene.c
index 68c3df4..1aef061 100644 (file)
--- a/scene.c
+++ b/scene.c
@@ -10,6 +10,7 @@
 #include <math.h>\r
 #include <GL/gl.h>\r
 #include <GL/glut.h>\r
+#include <time.h>\r
 \r
 #include "bitmap.h"\r
 \r
@@ -483,8 +484,8 @@ void makeMenu() {
  * @param h New height\r
  */\r
 void windowReshape(int w, int h) {\r
-  GLdouble near = -10.0;\r
-  GLdouble far = 10.0;\r
+  GLdouble near = -1000.0;\r
+  GLdouble far = 1000.0;\r
 \r
   glViewport(0, 0, (GLsizei) w, (GLsizei) h);\r
   glMatrixMode(GL_PROJECTION);\r
@@ -555,8 +556,9 @@ motion(int x, int y)
 \r
 void idle() {\r
   angle = (int)(angle + 10) % 360;\r
-    angle2 = (int)(angle2 + 10) % 360;\r
-    printf("Angle 1: %d, Angle 2: %d", angle, angle2);\r
+    //angle2 = (int)(angle2 + 10) % 360;\r
+    printf("Angle 1: %f, Angle 2: %f\n", angle, angle2);\r
+    sleep(25);\r
     glutPostRedisplay();\r
 }\r
 \r
@@ -581,6 +583,8 @@ void drawFloor() {
     glVertex3fv(floorVertices[3]);\r
   glEnd();*/\r
 \r
+drawSquare(0, -1000, -1000, 1000, 1000);\r
+\r
   /*if (useTexture) {\r
     glDisable(GL_TEXTURE_2D);\r
   }*/\r
@@ -588,6 +592,39 @@ void drawFloor() {
   glEnable(GL_LIGHTING);\r
 }\r
 \r
+int drawFloorRecurse = 2;\r
+/*void drawSquare(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {\r
+  drawSquare(0, x1, y1, x2, y2);\r
+}*/\r
+\r
+void drawSquare(int recurseLevel, GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {\r
+\r
+  \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
+    printf("Recursing to level %d\n", rnew);\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.10, %f.10) -> (%f.10, %f.10)\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
+\r
+}\r
+\r
 /**\r
  * Display function\r
  */\r
@@ -620,7 +657,7 @@ void display() {
 \r
     glPushMatrix();\r
     \r
-      glTranslatef(0.0, 0.0, 0.0);\r
+      //glTranslatef(0.0, 0.0, 0.0);\r
       glutWireTeapot(30); // Draw teapot for test\r
     glPopMatrix();\r
 \r
@@ -648,10 +685,10 @@ void init() {
   glLoadIdentity();\r
 \r
   gluPerspective(\r
-     60.0,  /* field of view in degree */\r
-      1.0,  /* aspect ratio */ \r
-      0.0,  /* Z near */\r
-    900.0   /* Z far */\r
+       60.0,  /* field of view in degree */\r
+        1.0,  /* aspect ratio */\r
+    -1000.0,  /* Z near */\r
+     1000.0   /* Z far */\r
     );    \r
 \r
   glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);\r