(no commit message)

[atyndall/cits2231.git] / scene.c

diff --git a/scene.c b/scene.c
index 6441466..e2d17e6 100644 (file)
--- a/scene.c
+++ b/scene.c
@@ -491,6 +491,42 @@ void mouse(int btn, int state, int x, int y) {
   \r
 }\r
 \r
+static GLfloat floorVertices[4][3] = {\r
+  { -20.0, 0.0, 20.0 },\r
+  { 20.0, 0.0, 20.0 },\r
+  { 20.0, 0.0, -20.0 },\r
+  { -20.0, 0.0, -20.0 },\r
+};\r
+\r
+/* Draw a floor (possibly textured). */\r
+static void\r
+drawFloor(void)\r
+{\r
+  glDisable(GL_LIGHTING);\r
+\r
+  //if (useTexture) {\r
+  //  glEnable(GL_TEXTURE_2D);\r
+  //}\r
+\r
+  glBegin(GL_QUADS);\r
+    glTexCoord2f(0.0, 0.0);\r
+    glVertex3fv(floorVertices[0]);\r
+    glTexCoord2f(0.0, 16.0);\r
+    glVertex3fv(floorVertices[1]);\r
+    glTexCoord2f(16.0, 16.0);\r
+    glVertex3fv(floorVertices[2]);\r
+    glTexCoord2f(16.0, 0.0);\r
+    glVertex3fv(floorVertices[3]);\r
+  glEnd();\r
+\r
+  /*if (useTexture) {\r
+    glDisable(GL_TEXTURE_2D);\r
+  }*/\r
+\r
+  glEnable(GL_LIGHTING);\r
+}\r
+\r
+\r
 /**\r
  * Display function\r
  */\r
@@ -498,21 +534,39 @@ void display() {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);\r
    glLoadIdentity();\r
 \r
-   glTranslatef(0.0f, 0.0f, 0.0f);\r
+   glTranslatef( 0.0f,  0.0f,  0.0f);\r
    glBegin(GL_QUADS);\r
-     glVertex3f(-1.0f, 1.0f, 0.0f);\r
-     glVertex3f( 1.0f, 1.0f, 0.0f);\r
-     glVertex3f( 1.0f,-1.0f, 0.0f);\r
-     glVertex3f(-1.0f,-1.0f, 0.0f);\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
+     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
+   glTranslatef( 0.0f, 0.0f, -5.0f); // Move into the Screen 10.0\r
    glutSolidTeapot(1);\r
 \r
+   /*glMatrixMode(GL_MODELVIEW);\r
+   glLoadIdentity();\r
+   gluLookAt(0.7f, 0.4f, 0.9f, -2.0f, -1.0f, -7.0f, 1.0f, 10.0f, 1.0f);\r
+\r
+\r
+   glMatrixMode(GL_PROJECTION);\r
+  glLoadIdentity();*/\r
+   drawFloor();\r
    glutSwapBuffers();\r
 }\r
 \r
+/**\r
+ * init function, sets OpenGL's starting state\r
+ */\r
+void init() {\r
+  glMatrixMode(GL_PROJECTION);\r
+  glLoadIdentity();\r
+  gluPerspective( 60, 1, 0.1, 1000.0);\r
+  glMatrixMode(GL_MODELVIEW);\r
+}\r
+\r
 /**\r
  * Main function\r
  * @param argc Number of arguments\r
@@ -552,10 +606,7 @@ int main(int argc, char **argv) {
 \r
     makeMenu();\r
 \r
-    glMatrixMode(GL_PROJECTION);\r
-    glLoadIdentity();\r
-    gluPerspective( 60, 1, 0.1, 1000.0);\r
-    glMatrixMode(GL_MODELVIEW);\r
+    init();\r
 \r
     glutMainLoop();\r
 }\r