/* Handle user input */
void myKeyHandler(unsigned char ch, int x, int y) {
switch(ch) {
case 'c':
resetCamera();
printf("Camera reset.\n");
break;
case 's':
case 'S':
if (disp_style == DS_SOLID) {
disp_style = DS_WIRE;
} else {
disp_style = DS_SOLID;
}
print_disp_style();
break;
case 'd':
/* Cycle through the various display modes */
disp_mode = (disp_mode + 1) % DM_MAX;
print_disp_mode();
break;
case 'D':
/* Cycle through the various display modes backwards */
/* By adding DM_MAX, the args to "%" wil never be negative */
disp_mode = (disp_mode + DM_MAX - 1) % DM_MAX;
print_disp_mode();
break;
case ',':
rotateCamera(5, X_AXIS);
break;
case '<':
rotateCamera(-5, X_AXIS);
break;
case '.':
rotateCamera(5, Y_AXIS);
break;
case '>':
rotateCamera(-5, Y_AXIS);
break;
case '/':
rotateCamera(5, Z_AXIS);
break;
case '?':
rotateCamera(-5, Z_AXIS);
break;
case '+':
/* Zoom in */
zoomCamera(-0.1);
break;
case '=':
/* Zoom out */
zoomCamera(0.1);
break;
case 'z':
myResize(win_width, win_height);
printf("Window set to default size.\n");
break;
case 't':
performanceTest();
break;
case 'q':
/* Quit with exit code 0 */
endCanvas(0);
break;
/*********************************************/
/* ADD ADDITIONAL KEYS HERE */
/*********************************************/
case 'i':
// If disp mode is not in cone_tri_calc, don't change variable
if (disp_mode != DM_CONE_TRI_CALC) {
break;
} // if
// Increases the radius of triangles in draw_cone_tri_calc
r += 0.1;
printf("Radius increased by 0.1\n");
break;
case 'I':
// If disp mode is not in cone_tri_calc, don't change variable
if (disp_mode != DM_CONE_TRI_CALC) {
break;
} // if
r -= 0.1;
if (r < 0.1) {
r = 0.1;
} // if
else {
printf("Radius decreased by 0.1\n");
} // else
break;
case 'o':
// If disp mode is not in cone_tri_calc, don't change variable
if (disp_mode != DM_CONE_TRI_CALC) {
break;
} // if
// Increase the height of triangles in draw_cone_tri_calc
h += 0.1;
printf("Height increased by 0.1\n");
break;
case 'O':
// If disp mode is not in cone_tri_calc, don't change variable
if (disp_mode != DM_CONE_TRI_CALC) {
break;
} // if
h -= 0.1;
if (h < 0.1) {
h = 0.1;
} // if
else {
printf("Height decreased by 0.1\n");
} // else
break;
case 'p':
// If disp mode is not in cone_tri_calc, don't change variable
if (disp_mode != DM_CONE_TRI_CALC) {
break;
} // if
// Increase number of triangles in draw_cone_tri_calc
n += 1;
printf("Number of triangles increased by 1\n");
break;
case 'P':
// If disp mode is not in cone_tri_calc, don't change variable
if (disp_mode != DM_CONE_TRI_CALC) {
break;
} // if
n -= 1;
if (n < 3) {
n = 3;
} // if
else {
printf("Number of triangles decreased by 1\n");
} // else
break;
case 'v':
if (disp_mode != DM_VRML) {
break;
} // if
vr_object = (vr_object + 1) % VR_MAX;
print_vrml_object();
break;
default:
/* Unrecognized key press, just return */
return;
break;
}
/*
* If control reaches here, the key press was recognized. Refresh
* the screen, since most key presses change the display in some way.
*/
myDisplay();
return;
}
/* Handle user input */
void myKeyHandler(unsigned char ch, int x, int y) {
switch(ch) {
case 'c':
resetCamera();
printf("Camera reset.\n");
break;
case 's':
case 'S':
if (disp_style == DS_SOLID) {
disp_style = DS_WIRE;
} else {
disp_style = DS_SOLID;
}
print_disp_style();
break;
case 'd':
/* Cycle through the various display modes */
disp_mode = (disp_mode + 1) % DM_MAX;
print_disp_mode();
break;
case 'D':
/* Cycle through the various display modes backwards */
/* By adding DM_MAX, the args to "%" wil never be negative */
disp_mode = (disp_mode + DM_MAX - 1) % DM_MAX;
print_disp_mode();
break;
case ',':
rotateCamera(5, X_AXIS);
break;
case '<':
rotateCamera(-5, X_AXIS);
break;
case '.':
rotateCamera(5, Y_AXIS);
break;
case '>':
rotateCamera(-5, Y_AXIS);
break;
case '/':
rotateCamera(5, Z_AXIS);
break;
case '?':
rotateCamera(-5, Z_AXIS);
break;
case '+':
/* Zoom in */
zoomCamera(-0.1);
break;
case '=':
/* Zoom out */
zoomCamera(0.1);
break;
case 'z':
myResize(win_width, win_height);
printf("Window set to default size.\n");
break;
case 't':
performanceTest();
break;
case 'q':
/* Quit with exit code 0 */
endCanvas(0);
break;
/*********************************************/
/* ADD ADDITIONAL KEYS HERE */
/*********************************************/
//Controls for cone triangle calculation
case 'I':
radius += 0.1;
printf("Radius increased to %.1f.\n", radius);
break;
case 'i':
if(radius > 0.1) {
radius -= 0.1;
}
printf("Radius decreased to %.1f.\n", radius);
break;
case 'O':
height += 0.1;
printf("Height increased to %.1f.\n", height);
break;
case 'o':
if(height > 0.1) {
height -= 0.1;
}
printf("Height decreased to %.1f.\n", height);
break;
case 'P':
sides += 1;
printf("Sides increased to %d.\n", sides);
break;
case 'p':
if(sides > 3) {
sides -= 1;
}
printf("Sides decreased to %d.\n", sides);
break;
//Controls for switching between vrml objects
case 'v':
vr_object++;
if(vr_object >= VR_MAX) {
vr_object = 0;
}
print_vrml_object();
break;
/* Switching between free scene modes */
case 'f':
free_scene_mode++;
break;
case 'F':
free_scene_mode--;
case 'a':
animate = !animate;
if(animate) {
printf("Animation engaged.\n");
}
else {
printf("Animation disengaged.\n");
}
break;
/* Allows mathematical shading on display mode 7 */
case 'y':
color_change = !color_change;
if(color_change) {
printf("Mathematical shading for Display Mode 7.\n");
}
else {
printf("Regular displace in Display Mode 7.\n");
}
break;
case 'l':
lighting = !lighting;
if(lighting) {
printf("Lighting Engaged. \n");
light_me_up();
glutPostRedisplay();
}
else {
printf("Lighting Disengaged. \n");
turn_out_lights();
glutPostRedisplay();
}
default:
/* Unrecognized key press, just return */
return;
break;
}
/*
* If control reaches here, the key press was recognized. Refresh
* the screen, since most key presses change the display in some way.
*/
myDisplay();
return;
}