/* draw a triangle with vertices at (x1, y1), (x2, y2)
* and (x3, y3) at z units away from the origin.
*/
-void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2,
+static void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2,
GLfloat y2, GLfloat x3, GLfloat y3, GLfloat z)
{
glBegin (GL_TRIANGLES);
}
/* draw a rectangular box with these outer x, y, and z values */
-void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1,
- GLfloat y2, GLfloat z1, GLfloat z2)
+static void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1,
+ GLfloat y2, GLfloat z1, GLfloat z2)
{
glColor3f (1.0, 1.0, 1.0);
glBegin (GL_LINE_LOOP);
/* drawScene draws 4 triangles and a wire frame
* which represents the viewing volume.
*/
-void drawScene (void)
+static void drawScene (void)
{
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
/* processHits prints out the contents of the selection array
*/
-void processHits (GLint hits, GLuint buffer[])
+static void processHits (GLint hits, GLuint buffer[])
{
GLint i;
GLuint j, names, *ptr;
*/
#define BUFSIZE 512
-void selectObjects(void)
+static void selectObjects(void)
{
GLuint selectBuf[BUFSIZE];
GLint hits;
processHits (hits, selectBuf);
}
-void init (void)
+static void init (void)
{
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_FLAT);
}
-void display(void)
+static void display(void)
{
glClearColor (0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
/* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
{
switch (key) {
case 27: