(no commit message)

[atyndall/cits2231.git] / scene.c

diff --git a/scene.c b/scene.c
index 166cf8c..dd12fb8 100644 (file)
--- a/scene.c
+++ b/scene.c
@@ -464,7 +464,20 @@ void makeMenu() {
  * @param h New height\r
  */\r
 void windowReshape(int w, int h) {\r
-\r
+  GLdouble near = -10.0;\r
+  GLdouble far = 10.0;\r
+\r
+  glViewport(0, 0, (GLsizei) w, (GLsizei) h);\r
+  glMatrixMode(GL_PROJECTION);\r
+  glLoadIdentity();\r
+  if (w <= h) \r
+    glOrtho(near, far, near*(GLfloat)h/(GLfloat)w,\r
+             far*(GLfloat)h/(GLfloat)w, near, far);\r
+  else\r
+    glOrtho(near*(GLfloat)w/(GLfloat)h,\r
+             far*(GLfloat)w/(GLfloat)h, near, far, near, far);\r
+   glMatrixMode(GL_MODELVIEW); \r
+   glLoadIdentity();\r
 }\r
 \r
 /**\r
@@ -485,16 +498,21 @@ void display() {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);\r
    glLoadIdentity();\r
 \r
-   glTranslatef(-1.5f, 0.0f, -6.0f);\r
-\r
+   glTranslatef( 0.0f,  0.0f,  0.0f);\r
    glBegin(GL_QUADS);\r
-     glVertex3f(-1.0f, 1.0f, 0.0f); // Top left\r
-     glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right\r
-     glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right\r
-     glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left\r
+     glVertex3f( 0.0f,  1.0f, -1.0f);\r
+     glVertex3f( 0.0f,  1.0f,  1.0f);\r
+     glVertex3f( 0.0f, -1.0f,  1.0f);\r
+     glVertex3f( 0.0f, -1.0f, -1.0f);\r
    glEnd();\r
 \r
-   glFlush();\r
+\r
+   glTranslatef( 0.0f, 0.0f, -5.0f); // Move into the Screen 10.0\r
+   glutSolidTeapot(1);\r
+\r
+   gluLookAt(0.7f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f);\r
+\r
+   glutSwapBuffers();\r
 }\r
 \r
 /**\r
@@ -521,11 +539,25 @@ int main(int argc, char **argv) {
     glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);\r
     glutInitWindowSize(500, 500);\r
     glutCreateWindow("Scene Editor");\r
+\r
+    glShadeModel(GL_SMOOTH); // Enables Smooth Shading\r
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black Background\r
+    glClearDepth(1.0f); // Depth Buffer Setup\r
+    glEnable(GL_DEPTH_TEST); // Enables Depth Testing\r
+    glDepthFunc(GL_LEQUAL);  // the type\r
+\r
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);          // Really Nice Perspective Calculations\r
+\r
     glutReshapeFunc(windowReshape);\r
     glutDisplayFunc(display);\r
     glutMouseFunc(mouse);\r
-    glEnable(GL_DEPTH_TEST); // Enable hidden surface removal\r
 \r
     makeMenu();\r
+\r
+    glMatrixMode(GL_PROJECTION);\r
+    glLoadIdentity();\r
+    gluPerspective( 60, 1, 0.1, 1000.0);\r
+    glMatrixMode(GL_MODELVIEW);\r
+\r
     glutMainLoop();\r
 }\r