int APIENTRY WinMain(
HINSTANCE instance,
HINSTANCE previousInstance,
LPSTR commandLine,
int commandShow)
{
DiceInvadersLib lib("DiceInvaders.dll");
IDiceInvaders* system = lib.get();
system->init(640, 480);
ISprite* sprite = system->createSprite("data/player.bmp");
float horizontalPosition = 320;
float lastTime = system->getElapsedTime();
while (system->update())
{
sprite->draw(int(horizontalPosition), 480-32);
float newTime = system->getElapsedTime();
float move = (newTime - lastTime) * 160.0f;
lastTime = newTime;
IDiceInvaders::KeyStatus keys;
system->getKeyStatus(keys);
if (keys.right)
horizontalPosition += move;
else if (keys.left)
horizontalPosition -= move;
}
sprite->destroy();
system->destroy();
return 0;
}
int APIENTRY WinMain(
HINSTANCE instance,
HINSTANCE previousInstance,
LPSTR commandLine,
int commandShow)
{
DiceInvadersLib lib("DiceInvaders.dll");
IDiceInvaders* system = lib.get();
static int screenX = 640;
static int screenY = 480;
system->init(screenX, screenY);
ISprite* sprite = system->createSprite("data/player.bmp");
ISprite* rocket = system->createSprite("data/rocket.bmp");
ISprite* alien1 = system->createSprite("data/enemy1.bmp");
ISprite* alien2 = system->createSprite("data/enemy2.bmp");
ISprite* bomb = system->createSprite("data/bomb.bmp");
//initiate player
Vec2f playerPos = Vec2f(screenX / 2, screenY - 32);
float lastTime = system->getElapsedTime();
std::vector<Vec2f> rocketPos;
static int maxNbrRockets = 6;
//initiate alienArmy
int aliensRow = 8;
int aliensCol =2;
std::vector<Vec2f> alienPos;
std::vector<Alien> aliens;
for (int i = 0; i < aliensCol; i++){
for (int j = 0; j < aliensRow; j++){
alienPos.push_back(Vec2f(j * 64, i * 64));
}
}
CreateArmy(aliens,*alien1,*alien2);
int rightAlien = alienPos.size() - 1;
int leftAlien = 0;
float alienDirection = 1.0f;
Vec2f alienMovement = Vec2f(0,0);
//int nbrBombs = 0;
std::vector<Vec2f> bombPos;
static int maxNbrBombs = 6;
int lives = 3;
float lastRocketFireTime = lastTime;
while (system->update())
{
//draw everything
//lives
system->drawText(screenX - 142, 8, "Lives: ");
for (int i = 1;i <= lives; i++){
sprite->draw(screenX - i * 32, 0);
}
//player
sprite->draw(int(playerPos.x), int(playerPos.y));
for (int i = 0; i < rocketPos.size(); i++){
rocket->draw(int(rocketPos[i].x), int(rocketPos[i].y));
}
//alien1->draw(screenX - 32, screenY - 32);
for (int i = 0; i < alienPos.size(); i++){
alien1->draw(int(alienPos[i].x), int(alienPos[i].y));
}
for (int i = 0; i < bombPos.size(); i++){
bomb->draw(int(bombPos[i].x), bombPos[i].y);
}
//get player movement
float newTime = system->getElapsedTime();
float move = (newTime - lastTime) * 160.0f;
float alienSpeed = (newTime - lastTime) * 120.0f;
lastTime = newTime;
IDiceInvaders::KeyStatus keys;
system->getKeyStatus(keys);
if (keys.right){
if (playerPos.x + move + 32 <= screenX)
playerPos.x += move;
}
else if (keys.left){
if (playerPos.x - move >= 0)
playerPos.x -= move;
}
//move rockets (before instantiating new ones)
for (int i = 0; i < rocketPos.size(); i++){
rocketPos[i].y -= move;
if (rocketPos[i].y < 0){//remove the rocket outside screen
rocketPos.erase(rocketPos.begin() + i);
}
}
if (keys.fire&&rocketPos.size() < maxNbrRockets){
if (lastRocketFireTime + 0.5f < newTime){
lastRocketFireTime = newTime;
rocketPos.push_back(Vec2f(playerPos.x, playerPos.y - 32));
}
}
//calculate alien movement
if (alienPos[alienPos.size() - 1].x + 32 >= screenX&&alienDirection == 1.0f){
alienDirection = -1.0f;
alienMovement = Vec2f(-alienSpeed, 32.0f);
}
else if (alienPos[leftAlien].x <= 0 && alienDirection == -1.0f){
alienDirection = 1.0f;
alienMovement = Vec2f(alienSpeed, 32.0f);
}
else{
alienMovement = Vec2f(alienSpeed*alienDirection, 0.0f);
}
//process aliens
for (auto it = alienPos.begin(); it < alienPos.end(); ++it){
//move
(*it) = (*it) + alienMovement;
if ((*it).y > screenY){
//game over
break;
}
}
//Split loops as a fix to a bug where the position whould randomly change on collision
for (auto it = alienPos.begin(); it < alienPos.end(); ++it){
//detect collision
for (int j = 0; j< rocketPos.size(); j++){
if (rocketPos[j].x + 16 >(*it).x && rocketPos[j].x + 16 < (*it).x + 32
&& rocketPos[j].y + 16 > (*it).y && rocketPos[j].y + 16 <(*it).y + 32){
it =alienPos.erase(it);
rocketPos.erase(rocketPos.begin() + j);
}
}
if (it != alienPos.end()&&(playerPos.x + 16 > (*it).x && playerPos.x + 16 < (*it).x + 32
&& playerPos.y< (*it).y))
{
lives--;
it = alienPos.erase(it);
}
if (it == alienPos.end())
break;//if we removed last object in vector
}
//spawn bombs
int random = rand()%100000;
if (random == 1 && bombPos.size()<maxNbrBombs){
int alien = rand() % alienPos.size();
bombPos.push_back(alienPos[alien]);
}
//move bombs
for (int i = 0; i < bombPos.size(); i++){
bombPos[i].y += move;
//collision detection
if (bombPos[i].x + 16 > playerPos.x && bombPos[i].x + 16 < playerPos.x + 32
&& bombPos[i].y + 16 > playerPos.y && bombPos[i].y + 16 < playerPos.y + 32){
lives--;
bombPos.erase(bombPos.begin() + i);
}
else if (bombPos[i].y > screenY ){//remove rockets outside screen
bombPos.erase(bombPos.begin() + i);
}
}
}
alien1->destroy();
rocket->destroy();
sprite->destroy();
system->destroy();
return 0;
}