void
moving (void)
{
double now, dt, dx, dy, theta;
struct unit *up;
for (up = first_unit; up; up = up->next) {
now = get_secs ();
if (up->moving) {
dx = up->moveto_x - up->center_x;
dy = up->moveto_y - up->center_y;
theta = atan2 (dy, dx);
dt = now - up->lasttime;
up->mov_x = SPEED * dt * cos (theta);
up->mov_y = SPEED * dt * sin (theta);
if (fabs (up->mov_x) > fabs (dx)
&& fabs (up->mov_y) > fabs (dy)) {
up->x = up->moveto_x - up->w / 2;
up->y = up->moveto_y - up->h / 2;
up->moving = 0;
} else {
if (collision_x (up)) {
up->mov_x = 0;
}
up->x += up->mov_x;
if (collision_y (up)) {
up->mov_y = 0;
}
up->y += up->mov_y;
}
up->lasttime = now;
unit_def (up, NULL);
}
}
}
int Character::move(){
int return_value = 0;
//poruszanie się w poziomie
x += ox*speed_up;
int c = collision_x();
if( (c>=20) || (c==0)) {
x = c;
}
switch(c){ //rozpoznanie z jakim blokiem jest kolizja
case StaticObject::TRAP_BLOCK:
if(die()){
return_value=GAME_OVER;
}
break;
case StaticObject::COIN:
return_value=StaticObject::COIN;
break;
case StaticObject::EXIT:
return_value=StaticObject::EXIT;
break;
}
//poruszanie się w pionie
if(up && !max_jump_reached){ //jeżeli wciśnięty skok w górę i nie osiągnięto jeszcze max wys skoku
y+=oy*(MAX_JUMP-jump_height+20)/60;
jump_height-=oy*(MAX_JUMP-jump_height+20)/60;
if(jump_height >= MAX_JUMP){
max_jump_reached = true;
}
int c = collision_y();
if( (c>=20) || (c==0)){
y=c;
max_jump_reached = true;
}
switch(c){ //rozpoznanie z jakim blokiem jest kolizja
case StaticObject::TRAP_BLOCK:
if(die()){
return_value=GAME_OVER;
}
break;
case StaticObject::COIN:
return_value=StaticObject::COIN;
break;
case StaticObject::EXIT:
return_value=StaticObject::EXIT;
break;
}
}else{ //spadek lub spoczywanie na platformie
if(jump_height != 0){
y += move_speed_y*(MAX_JUMP-jump_height+20)/60;
}else{
y += move_speed_y;
}
if(jump_height > 0){
jump_height -= move_speed_y*(MAX_JUMP-jump_height+20)/60;
}
int c = collision_y();
if( (c>=20) || (c==0) ){
y=c;
max_jump_reached = false;
jump_height = 0;
}
switch(c){ //rozpoznanie z jakim blokiem jest kolizja
case StaticObject::TRAP_BLOCK:
if(die()){
return_value=GAME_OVER;
}
break;
case StaticObject::COIN:
return_value=StaticObject::COIN;
break;
case StaticObject::EXIT:
return_value=StaticObject::EXIT;
break;
}
}
return return_value;
}
