(no commit message)

[atyndall/cits2231.git] / scene.c

diff --git a/scene.c b/scene.c
index c546975..dd12fb8 100644 (file)
--- a/scene.c
+++ b/scene.c
@@ -1,9 +1,7 @@
-// compile this program using:\r
-//   gcc -O3 -Wall -std=c99 -o scene scene.c bitmap.c -lglut\r
-// Or, with cygwin:        (-mno-cygwin is only so the executable runs from windows)\r
-//   gcc -mno-cygwin -O3 -Wall -std=c99 -o scene scene.c bitmap.c -lglut32 -lglu32 -lopengl32\r
-// Or, use make via the supplied Makefile:     (For cygwin, install the package for make)\r
-//   make\r
+/**\r
+ * CITS2231 Graphics Scene Editor\r
+ * @author Ashley Tyndall (20915779)\r
+ */\r
 \r
 #include <stdlib.h>\r
 #include <stdio.h>\r
@@ -460,13 +458,61 @@ void makeMenu() {
   glutAttachMenu(GLUT_RIGHT_BUTTON);\r
 }\r
 \r
+/**\r
+ * Called when window is resized\r
+ * @param w New width\r
+ * @param h New height\r
+ */\r
+void windowReshape(int w, int h) {\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
+ * Called when mouse event occurs\r
+ * @param btn Mouse button\r
+ * @param state State of mouse button\r
+ * @param x Mouse x position\r
+ * @param y Mouse y position\r
+ */\r
+void mouse(int btn, int state, int x, int y) {\r
+  \r
+}\r
+\r
 /**\r
  * Display function\r
  */\r
 void display() {\r
-   // You probably want to change both of the following.\r
-   glClear(GL_COLOR_BUFFER_BIT);\r
-   glFlush();\r
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);\r
+   glLoadIdentity();\r
+\r
+   glTranslatef( 0.0f,  0.0f,  0.0f);\r
+   glBegin(GL_QUADS);\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
+\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
@@ -488,13 +534,30 @@ int main(int argc, char **argv) {
     for(int i=0; i<NMESH; i++) meshes[i]=NULL;\r
     for(int i=0; i<NTEXTURE; i++) textures[i]=NULL;\r
 \r
-    // The following is enough to run the program, but you'll\r
-    // need to change it significantly.\r
-\r
     glutInit(&argc, argv);\r
+\r
+    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
 \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