(no commit message)

[atyndall/cits2231.git] / scene.c

diff --git a/scene.c b/scene.c
index 3d5583f..9347092 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
@@ -124,7 +125,7 @@ int lightMoving = 0, lightStartX, lightStartY;
 \r
 /* Time varying or user-controled variables. */\r
 static float jump = 0.0;\r
-static float lightAngle = 0.0, lightHeight = 20;\r
+static float lightAngle = 0.0, lightHeight = 40;\r
 GLfloat angle = -150;   /* in degrees */\r
 GLfloat angle2 = 30;   /* in degrees */\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 = -100.0;\r
+  GLdouble far = 1000.0;\r
 \r
   glViewport(0, 0, (GLsizei) w, (GLsizei) h);\r
   glMatrixMode(GL_PROJECTION);\r
@@ -508,7 +509,7 @@ void windowReshape(int w, int h) {
  */\r
 /*void mouse(int btn, int state, int x, int y) {\r
   \r
-}*/\r
+}*//*\r
 static void\r
 mouse(int button, int state, int x, int y)\r
 {\r
@@ -551,37 +552,60 @@ motion(int x, int y)
     lightStartY = y;\r
     glutPostRedisplay();\r
   }\r
+}*/\r
+\r
+void idle() {\r
+  angle = (int)(angle + 10) % 360;\r
+  //angle2 = (int)(angle2 + 10) % 360;\r
+  printf("Angle 1: %f, Angle 2: %f\n", angle, angle2);\r
+  sleep(1);\r
+  glutPostRedisplay();\r
 }\r
 \r
 \r
+int drawFloorRecurse = 5;\r
+\r
+void drawSquare(int recurseLevel, float x1, float y1, float x2, float y2) {\r
+\r
+  if ( drawFloorRecurse != recurseLevel ) {\r
+    float xm = (x1 + x2) / 2.0;\r
+    float 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
+    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
  * Draw a floor.\r
  */\r
 void drawFloor() {\r
-  glDisable(GL_LIGHTING);\r
-\r
-  //if (useTexture) {\r
-  //  glEnable(GL_TEXTURE_2D);\r
-  //}\r
-\r
-  /*glBegin(GL_QUADS);\r
-    glTexCoord2f(0.0, 0.0);\r
-    glVertex3fv(floorVertices[0]);\r
-    glTexCoord2f(0.0, 16.0);\r
-    glVertex3fv(floorVertices[1]);\r
-    glTexCoord2f(16.0, 16.0);\r
-    glVertex3fv(floorVertices[2]);\r
-    glTexCoord2f(16.0, 0.0);\r
-    glVertex3fv(floorVertices[3]);\r
-  glEnd();*/\r
+ \r
+drawSquare(0, -1000.0, -1000.0, 1000.0, 1000.0);\r
 \r
   /*if (useTexture) {\r
     glDisable(GL_TEXTURE_2D);\r
   }*/\r
 \r
-  glEnable(GL_LIGHTING);\r
 }\r
 \r
+/*void drawSquare(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {\r
+  drawSquare(0, x1, y1, x2, y2);\r
+}*/\r
+\r
 /**\r
  * Display function\r
  */\r
@@ -589,11 +613,13 @@ void display() {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);\r
   glLoadIdentity();\r
   gluLookAt(\r
-    0.0, 0.0, 60.0,  /* eye is at (x,y,z) */\r
+    0.0, 0.0, 80.0,  /* eye is at (x,y,z) */\r
     0.0, 0.0,  0.0,  /* center is at (x,y,z) */\r
     0.0, 1.0,  0.0   /* up is in postivie Y direction */\r
     );\r
 \r
+  glRotatef(30.0, 1.0, 0.0, 0.0);\r
+\r
   /* Reposition the light source. */\r
   lightPosition[0] = 12*cos(lightAngle);\r
   lightPosition[1] = lightHeight;\r
@@ -602,7 +628,7 @@ void display() {
 \r
   glPushMatrix();\r
       /* Perform scene rotations based on user mouse input. */\r
-    glRotatef(angle2, 1.0, 0.0, 0.0);\r
+    \r
     glRotatef(angle, 0.0, 1.0, 0.0);\r
 \r
     glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);\r
@@ -615,7 +641,6 @@ void display() {
     glPushMatrix();\r
     \r
       //glTranslatef(0.0, 0.0, 0.0);\r
- \r
       glutWireTeapot(30); // Draw teapot for test\r
     glPopMatrix();\r
 \r
@@ -643,10 +668,10 @@ 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
@@ -692,14 +717,15 @@ int main(int argc, char **argv) {
   glDepthFunc(GL_LEQUAL);  // the type\r
   glEnable(GL_CULL_FACE);\r
   glEnable(GL_TEXTURE_2D);\r
-  glLineWidth(3.0);\r
+  glLineWidth(1.0);\r
 \r
   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);\r
 \r
   glutReshapeFunc(windowReshape);\r
   glutDisplayFunc(display);\r
-  glutMouseFunc(mouse);\r
-  glutMotionFunc(motion);\r
+  //glutMouseFunc(mouse);\r
+  //glutMotionFunc(motion);\r
+  glutIdleFunc(idle);\r
 \r
   makeMenu();\r
 \r