// This callback function gets called by the Glut
// system whenever the window is resized by the user.
void reshape(int w, int h)
{
// Reset our global variables to the new width and height.
screen_x = w;
screen_y = h;
if (current_view == top_view){
SetTopView(w,h);
}
else if ( current_view == perspective_view){
SetPerspectiveView(w,h);
}
else { // current_view == rat_view
SetPerspectiveView(w,h);
}
// Set the pixel resolution of the final picture (Screen coordinates).
glViewport(0, 0, w, h);
// Set the projection mode to 2D orthographic, and set the world coordinates:
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//pixel coordinates
//gluOrtho2D(0, w, 0, h);
//scale of 0-10
gluOrtho2D(0, 10, 0, 10);
glMatrixMode(GL_MODELVIEW);
}
// This callback function gets called by the Glut
// system whenever a key is pressed.
void keyboard(unsigned char c, int x, int y)
{
switch (c)
{
case 27: // escape character means to quit the program
exit(0);
break;
case 'r':
current_view = rat_view;
SetPerspectiveView(screen_x,screen_y);
break;
case 't':
current_view = top_view;
SetTopView(screen_x,screen_y);
break;
case 'p':
current_view = perspective_view;
SetPerspectiveView(screen_x,screen_y);
break;
case 'b':
// do something when 'b' character is hit.
break;
default:
return; // if we don't care, return without glutPostRedisplay()
}
glutPostRedisplay();
}
// This callback function gets called by the Glut
// system whenever the window is resized by the user.
void reshape(int w, int h)
{
// Reset our global variables to the new width and height.
screen_x = w;
screen_y = h;
// Set the pixel resolution of the final picture (Screen coordinates).
glViewport(0, 0, w, h);
if(terrain.current_view == terrain.top_view)
{
SetTopView(w,h);
}
else if(terrain.current_view == terrain.perspective_view)
{
SetPerspectiveView(w,h);
}
else // current_view == rat_view
{
SetPerspectiveView(w,h);
}
}
// This callback function gets called by the Glut
// system whenever a key is pressed.
void keyboard(unsigned char c, int x, int y)
{
switch (c)
{
case 'a':
slope+=.01;
break;
case 'b':
slope-=.01;
break;
case 'c':
waterLevel+=.01;
break;
case 'd':
waterLevel-=.01;
break;
case 'r':
terrain.current_view = terrain.eye_view;
SetPerspectiveView(screen_x, screen_y);
break;
case 'p':
terrain.current_view = terrain.perspective_view;
SetPerspectiveView(screen_x, screen_y);
break;
case 't':
terrain.current_view = terrain.top_view;
SetTopView(screen_x, screen_y);
break;
case 'z':
right_button_down = false;
if (left_button_down == true) {
left_button_down = false;
}
else{
left_button_down = true;
}
middle_button_down = false;
break;
case 'v':
left_button_down = false;
if (right_button_down == true) {
right_button_down = false;
}
else{
right_button_down = true;
}
middle_button_down = false;
break;
case 'w':
left_button_down = false;
right_button_down = false;
if (middle_button_down == true) {
middle_button_down = false;
}
else{
middle_button_down = true;
}
break;
case 'q':
case 27: // escape character means to quit the program
exit(0);
break;
default:
return; // if we don't care, return without glutPostRedisplay()
}
glutPostRedisplay();
}