X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=cb6fd4e7eca2bea194fe8f1604f867fb4570a9ba;hp=0c5329b2d01d38f5f52c0f66e6eeb991bc5002fb;hb=9644796a64e902273a02a75c68e22da05b3a87ec;hpb=84eea711e741871dfb6cc595a0989e1369998d7f

diff --git a/scene.c b/scene.c
index 0c5329b..cb6fd4e 100644
--- a/scene.c
+++ b/scene.c
@@ -184,7 +184,8 @@ void makeMenu() {
  */
 void windowReshape(int w, int h) {
   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
-  // **NOTE: windowReshape needs to be re-written using glFrustrum and perspective projection calculations
+  width = w;
+  height = h;
 }
 
 /**
@@ -285,8 +286,36 @@ 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;
+  if ( width <= height ) {
+    aspect = (float)height / (float)width;
+  } else {
+    aspect = (float)width / (float)height;
+  }
+
+  gluPerspective(
+    75.0,
+    aspect,
+    0.1,
+    200
+    );
+
+  glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
+  gluLookAt(
+    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 */
+    );
+
+  glRotatef(75.0, 1.0, 0.0, 0.0);
+
   /* Reposition the light source. */
   lightPosition[0] = 12*cos(lightAngle);
   lightPosition[1] = lightHeight;
@@ -332,9 +361,6 @@ void display() {
  * init function; sets initial OpenGL state
  */
 void init() {
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-
   glLightfv(GL_LIGHT0, GL_POSITION, light0_pos);
   glLightfv(GL_LIGHT0, GL_AMBIENT, ambient0);
   glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse0);
@@ -345,11 +371,11 @@ void init() {
 
   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, glightmodel);
 
-  glMaterialfv(GL_FRONT, GL_AMBIENT, ambient);
-  glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuse);
-  glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
-  glMaterialfv(GL_FRONT, GL_EMISSION, emission0);
-  glMaterialf(GL_FRONT, GL_SHININESS, shine);
+  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);
@@ -386,26 +412,10 @@ int main(int argc, char **argv) {
   glDepthRange(0,1);
   glEnable(GL_DEPTH_TEST); // Enables Depth Testing
   glDepthFunc(GL_LEQUAL);  // the type
-  glEnable(GL_CULL_FACE);
   glEnable(GL_TEXTURE_2D);
+  glEnable(GL_NORMALIZE);
   glLineWidth(1.0);
 
-  // **NOTE: Currently the perspective and look-at code is static, for testing purposes
-  glMatrixMode(GL_PROJECTION);
-  gluPerspective(
-     40.0, /* field of view in degree */
-      1.0, /* aspect ratio */
-      1.0, /* Z near */ // **NOTE: Seems to be issue with near < 0 causing invisible everything
-    100.0  /* Z far */
-    );
-
-  glMatrixMode(GL_MODELVIEW);
-  gluLookAt(
-    0.0,  35.0, -20.0,  /* eye is at (x,y,z) */
-    0.0,  10.0,  0.0,  /* center is at (x,y,z) */
-    0.0,  1.0,   0.0   /* up is in postivie Y direction */
-    );
-
   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 
   glutReshapeFunc(windowReshape);