//Move os invaders baseado na sua direção atual
//Move invaders based on there current direction
int move_invaders(int speed) {
set_invaders_speed();
int i,j;
switch (invaders.direction) {
case left:
for (i = 0; i < 10; i++) {
for (j = 0; j < 5; j++) {
if (invaders.enemy[j][i].alive == 1) {
if (invaders.enemy[j][i].hitbox.x <= 0) {
invaders.direction = right;
move_invaders_down();
return 0;
}
if (invaders.state_time + invaders.state_speed < SDL_GetTicks()) {
invaders.state_time = SDL_GetTicks();
if (invaders.state == 1) {
invaders.state = 0;
} else {
invaders.state = 1;
}
}
//altera a velocidade em numero de pixels dos invaders
//move invader speed number of pixels
invaders.enemy[j][i].hitbox.x -= invaders.speed;
}
}
}
break;
case right:
for (i = 9; i >= 0; i--) {
for (j = 0; j < 5; j++) {
if (invaders.enemy[j][i].alive == 1) {
if (invaders.enemy[j][i].hitbox.x + E_WIDTH >= WIDTH) {
invaders.direction = left;
move_invaders_down();
return 0;
}
if (invaders.state_time + invaders.state_speed < SDL_GetTicks()) {
invaders.state_time = SDL_GetTicks();
if (invaders.state == 1) {
invaders.state = 0;
} else {
invaders.state = 1;
}
}
invaders.enemy[j][i].hitbox.x += invaders.speed;
}
}
}
break;
default:
break;
}
return 0;
}
//Move invaders based on there current direction
int move_invaders(int speed) {
set_invaders_speed();
int i,j;
switch (invaders.direction) {
case left:
for (i = 0; i < ROW_INVADERS; i++) {
for (j = 0; j < COL_INVADERS; j++) {
if (invaders.enemy[i][j].alive == 1) {
if (invaders.enemy[i][j].hitbox.x <= 0) {
invaders.direction = right;
move_invaders_down();
return 0;
}
if (invaders.state_time + invaders.state_speed < SDL_GetTicks()) {
invaders.state_time = SDL_GetTicks();
if (invaders.state == 1) {
invaders.state = 0;
} else {
invaders.state = 1;
}
}
//move invader speed number of pixels
invaders.enemy[i][j].hitbox.x -= invaders.speed;
}
}
}
break;
case right:
for (i = 0; i < ROW_INVADERS; i++) {
for (j = 0; j < COL_INVADERS; j++) {
if (invaders.enemy[i][j].alive == 1) {
if (invaders.enemy[i][j].hitbox.x + E_WIDTH >= WIDTH) {
invaders.direction = left;
move_invaders_down();
return 0;
}
if (invaders.state_time + invaders.state_speed < SDL_GetTicks()) {
invaders.state_time = SDL_GetTicks();
if (invaders.state == 1) {
invaders.state = 0;
} else {
invaders.state = 1;
}
}
invaders.enemy[i][j].hitbox.x += invaders.speed;
}
}
}
break;
default:
break;
}
return 0;
}
