void hugWallL(int16 wallDistance){
if((wallDistance > (DIST_THRESHOLD_L - SENSOR_NOISE)) && (wallDistance < (DIST_THRESHOLD_L + SENSOR_NOISE))){
resetSpeed();
moveForward(10);
}
if(wallDistance > (DIST_THRESHOLD_L + SENSOR_NOISE)){
accelerateLeft(100);
moveForward(10);
}
if(wallDistance < (DIST_THRESHOLD_L - SENSOR_NOISE)){
accelerateRight(100);
moveForward(10);
}
return;
}
bool Camera::pollEvent( SDL_Event *event )
// This should be called at regular intervals to avoid key-response lag
{
if( !SDL_PollEvent(event) ) {
if( event->type==SDL_QUIT )
exit(0);
if( event->type!=SDL_KEYDOWN )
{
step();
return false;
}
}
switch( event->key.keysym.sym ) {
case SDLK_LEFT:
if( event->key.keysym.mod & KMOD_SHIFT )
revolveLeft();
else if( event->key.keysym.mod & KMOD_CTRL )
rotateCW();
else if( event->key.keysym.mod & KMOD_ALT )
accelerateLeft(accInc);
else
panLeft();
break;
case SDLK_RIGHT:
if( event->key.keysym.mod & KMOD_SHIFT )
revolveRight();
else if( event->key.keysym.mod & KMOD_CTRL )
rotateCCW();
else if( event->key.keysym.mod & KMOD_ALT )
accelerateRight(accInc);
else
panRight();
break;
case SDLK_UP:
if( event->key.keysym.mod & KMOD_SHIFT )
revolveUp();
else if( event->key.keysym.mod & KMOD_ALT )
accelerateUp(accInc);
else
panUp();
break;
case SDLK_DOWN:
if( event->key.keysym.mod & KMOD_SHIFT )
revolveDown();
else if( event->key.keysym.mod & KMOD_ALT )
accelerateDown(accInc);
else
panDown();
break;
case SDLK_f:
case SDLK_PERIOD:
accelerate(accInc);
break;
case SDLK_b:
case SDLK_COMMA:
accelerate(-accInc);
break;
case SDLK_SPACE:
stop();
break;
case SDLK_F1:
accInc = accel[0];
break;
case SDLK_F2:
accInc = accel[1];
break;
case SDLK_F3:
accInc = accel[2];
break;
case SDLK_F4:
accInc = accel[3];
break;
case SDLK_F5:
accInc = accel[4];
break;
case SDLK_F6:
accInc = accel[5];
break;
case SDLK_F7:
accInc = accel[6];
break;
case SDLK_F8:
accInc = accel[7];
break;
case SDLK_F9:
accInc = accel[8];
break;
case SDLK_ESCAPE:
exit(0);
break;
case SDLK_TAB:
if( event->key.keysym.mod & KMOD_SHIFT )
storeCamera(camStore);
else
restoreCamera(camStore);
stop();
break;
default:
break;
}
step();
return true;
}