X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=4852a51833bdab7c197ce2516440fde0c0f28159;hb=71afe748d9068eefceef10fd828c95e3a4c65606;hp=c546975575f95eeaded7137d644d5d0da4bb476c;hpb=1974078227af3b4da18ff6813f9cf5ed231d9205;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index c546975..4852a51 100644
--- a/scene.c
+++ b/scene.c
@@ -1,9 +1,7 @@
-// compile this program using:
-//   gcc -O3 -Wall -std=c99 -o scene scene.c bitmap.c -lglut
-// Or, with cygwin:        (-mno-cygwin is only so the executable runs from windows)
-//   gcc -mno-cygwin -O3 -Wall -std=c99 -o scene scene.c bitmap.c -lglut32 -lglu32 -lopengl32
-// Or, use make via the supplied Makefile:     (For cygwin, install the package for make)
-//   make
+/**
+ * CITS2231 Graphics Scene Editor
+ * @author Ashley Tyndall (20915779)
+ */
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -460,13 +458,62 @@ void makeMenu() {
   glutAttachMenu(GLUT_RIGHT_BUTTON);
 }
 
+/**
+ * Called when window is resized
+ * @param w New width
+ * @param h New height
+ */
+void windowReshape(int width, int height) {
+  glViewport(0, 0, (GLsizei)width, (GLsizei)height); 
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity(); 
+  
+  if (width <= height)
+    gluPerspective(60,  (GLfloat)width / (GLfloat) height, 0.1, 1000.0);
+  else
+    gluPerspective(60, (GLfloat)height / (GLfloat) width, 0.1, 1000.0);
+  glMatrixMode(GL_MODELVIEW);
+  
+  /*glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION); /* switch matrix mode
+    glLoadIdentity();
+    if (w <= h)
+      gluOrtho2D(-2.0, 2.0, -2.0 * (GLfloat) h / (GLfloat) w, 2.0 * (GLfloat) h / (GLfloat) w);
+    else
+      gluOrtho2D(-2.0 * (GLfloat) w / (GLfloat) h, 2.0 * (GLfloat) w / (GLfloat) h, -2.0, 2.0);
+    glMatrixMode(GL_MODELVIEW); /* return to modelview mode */
+}
+
+/**
+ * Called when mouse event occurs
+ * @param btn Mouse button
+ * @param state State of mouse button
+ * @param x Mouse x position
+ * @param y Mouse y position
+ */
+void mouse(int btn, int state, int x, int y) {
+  
+}
+
 /**
  * Display function
  */
 void display() {
-   // You probably want to change both of the following.
-   glClear(GL_COLOR_BUFFER_BIT);
-   glFlush();
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   glLoadIdentity();
+
+   glTranslatef(0.0f,0.0f,-6.0f);                 // Move Left 1.5 Units And Into The Screen 6.0
+
+
+   glBegin(GL_QUADS);
+     glColor3f(1.0f,0.0f,0.0f);     // Set The Color To Red
+     glVertex3f(-1.0f, 1.0f, 0.0f); // Top left
+     glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right
+     glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right
+     glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left
+   glEnd();
+
+   glutSwapBuffers();
 }
 
 /**
@@ -488,12 +535,23 @@ int main(int argc, char **argv) {
     for(int i=0; i<NMESH; i++) meshes[i]=NULL;
     for(int i=0; i<NTEXTURE; i++) textures[i]=NULL;
 
-    // The following is enough to run the program, but you'll
-    // need to change it significantly.
-
     glutInit(&argc, argv);
+
+    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+    glutInitWindowSize(500, 500);
     glutCreateWindow("Scene Editor");
+
+    glShadeModel(GL_SMOOTH);                        // Enables Smooth Shading
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);                   // Black Background
+    glClearDepth(1.0f);                         // Depth Buffer Setup
+    glEnable(GL_DEPTH_TEST);                        // Enables Depth Testing
+    glDepthFunc(GL_LEQUAL);                         // The Type Of Depth Test To Do
+
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);          // Really Nice Perspective Calculations
+
+    glutReshapeFunc(windowReshape);
     glutDisplayFunc(display);
+    glutMouseFunc(mouse);
 
     makeMenu();
     glutMainLoop();