X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=079433c9b26172f87f968e39e8db5de2dad97672;hp=7ce67e4394c6473846a68dcf611830cb395ed59e;hb=9630fcbe763ed8c935c60a44c0d8ace778383109;hpb=9ab79af89d0b03214e2455e8541a949dd47ef73b

diff --git a/scene.c b/scene.c
index 7ce67e4..079433c 100644
--- a/scene.c
+++ b/scene.c
@@ -182,19 +182,11 @@ void makeMenu() {
  * @param w New width
  * @param h New height
  */
-/*void windowReshape(int w, int h) {
+void windowReshape(int w, int h) {
   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  if (w <= h) 
-    glOrtho(near, far, near*(GLfloat)h/(GLfloat)w,
-             far*(GLfloat)h/(GLfloat)w, -100, 100);
-  else
-    glOrtho(near*(GLfloat)w/(GLfloat)h,
-             far*(GLfloat)w/(GLfloat)h, near, far, nearClip, farClip);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-}*/
+  width = w;
+  height = h;
+}
 
 /**
  * Called when mouse event occurs
@@ -231,6 +223,7 @@ void mouse(int button, int state, int x, int y) {
  * w/s increase/decrease the z
  * a/d increase/decrease the x
  * q/e increase/decrease the y
+ * z/x increase/decrease the angle
  * @param key Key pressed
  * @param x x co-ordinate of mouse
  * @param y y co-ordinate of mouse
@@ -293,18 +286,31 @@ void motion(int x, int y) {
  */
 void display() {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  
+  // Redraw projection matrix
+  glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
+
+  float aspect = (float)height / (float)width;
+  if ( width > height ) aspect = (float)width / (float)height;
+
+  gluPerspective(
+    90.0,
+    aspect,
+    0.1,
+    100
+    );
+
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+
   gluLookAt(
-    100.0, 100.0, 100.0,  /* 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 */
+    0.0,  0.0,  5.0,  /* 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 */
     );
 
-  glTranslatef(camx, camy, camz);
-  
-  // **NOTE: Currently this rotation function is all that moves the camera off
-  //         the flat surface. Need to integrate function into gluLookAt
-  glRotatef(rot, 1.0, 0.0, 0.0);
+  glRotatef(45.0, 1.0, 0.0, 0.0);
 
   /* Reposition the light source. */
   lightPosition[0] = 12*cos(lightAngle);
@@ -314,9 +320,11 @@ void display() {
 
   glPushMatrix();
 
-    /* Perform scene rotations based on user mouse input. */
+    /* Perform scene rotations based on user mouse/keyboard input. */
     glRotatef(angle, 0.0, 1.0, 0.0);
-    glRotatef(angle2, 1.0, 0.0, 0.0); //**NOTE: Only one degree of freedom
+    glRotatef(angle2, 1.0, 0.0, 0.0);
+    glTranslatef(camx, camy, camz);
+    glRotatef(rot, 1.0, 0.0, 0.0);
 
     glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
 
@@ -326,15 +334,15 @@ void display() {
     
     // Draw teapot for a test object
     glPushMatrix();
-      glTranslatef(0.0, 1.0, 0.0); // **NOTE: Teapot does not rest on surface
-      glColor3f(0.5, 0.5, 0.5);
-      glutSolidTeapot(25);
+      glTranslatef(0.0, 0.5, 0.0); // **NOTE: Teapot currently does not rest on surface
+      glColor3f(0.0, 0.0, 0.0);
+      glutSolidTeapot(1);
     glPopMatrix();
 
     // Draw a white ball over the light source
     glPushMatrix();
       glDisable(GL_LIGHTING);
-      glColor3f(1.0, 1.0, 1.0);
+      glColor3f(1.0, 1.0, 0.0);
       glTranslatef(lightPosition[0], lightPosition[1], lightPosition[2]);
       glutSolidSphere(1.0, 50, 50);
       glEnable(GL_LIGHTING);
@@ -349,33 +357,24 @@ void display() {
  * init function; sets initial OpenGL state
  */
 void init() {
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-
-   gluPerspective(
-    60.0,  /* field of view in degree */
-     1.0,  /* aspect ratio */
-    nearClip,  /* Z near */
-     farClip   /* Z far */
-    );
-  
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-
   glLightfv(GL_LIGHT0, GL_POSITION, light0_pos);
   glLightfv(GL_LIGHT0, GL_AMBIENT, ambient0);
   glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse0);
   glLightfv(GL_LIGHT0, GL_SPECULAR, specular0);
+  glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, direction0);
+
+  glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 90.0);
+
   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, glightmodel);
-  glEnable(GL_LIGHT0);
-  glEnable(GL_LIGHTING);
-  glEnable(GL_COLOR_MATERIAL);
-  glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );
-  glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR, specular0);
-  glMaterialfv( GL_FRONT_AND_BACK, GL_EMISSION, emission0);
 
-  
+  glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, ambient);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diffuse);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, specular);
+  glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, emission0);
+  glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, shine);
 
+  glEnable(GL_LIGHT0);
+  glEnable(GL_LIGHTING);
 }
 
 /**
@@ -406,6 +405,7 @@ int main(int argc, char **argv) {
   glShadeModel(GL_SMOOTH); // Enables Smooth Shading
   glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black Background
   glClearDepth(1.0f); // Depth Buffer Setup
+  glDepthRange(0,1);
   glEnable(GL_DEPTH_TEST); // Enables Depth Testing
   glDepthFunc(GL_LEQUAL);  // the type
   glEnable(GL_CULL_FACE);
@@ -414,7 +414,7 @@ int main(int argc, char **argv) {
 
   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 
-  //glutReshapeFunc(windowReshape);
+  glutReshapeFunc(windowReshape);
   glutDisplayFunc(display);
   glutMouseFunc(mouse);
   glutKeyboardFunc(keyboard);
@@ -425,4 +425,4 @@ int main(int argc, char **argv) {
   init();
 
   glutMainLoop();
-}
+}
\ No newline at end of file