benkyd/OLCCodeJam2020-The-Great-Machine
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entity spawning

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Ben
2020-09-06 13:29:30 +01:00
parent 27d52c05ad
commit 5f1c63cd59
6 changed files with 36 additions and 12 deletions
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36
The Great Machine/Dungeon.cpp
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@@ -472,6 +472,13 @@ void Dungeon::Input(olc::PixelGameEngine* engine, float fTime)
lastTile = currentTile;
}
template<typename T>
float vecDistance(T v1, T v2)
{
return sqrt(pow(v2.x - v1.x, 2.0f) + pow(v2.y - v1.y, 2.0f) * 1.0f);
}
void Dungeon::Update(olc::PixelGameEngine* engine, float fTime)
{
ActiveCamera->Update(fTime);
@@ -479,25 +486,36 @@ void Dungeon::Update(olc::PixelGameEngine* engine, float fTime)
if (!HasBegun) return;
// spawn enemies
if (Enemies.size() == 0)// rand() % 1000 < 1)
if (rand() % 100 < 1)
{
Enemy* enemy = new Enemy();
enemy->Type = EEntity::Type::Enemy;
enemy->Renderable = EnemyRenderable;
enemy->Animator = EnemyAnimator;
enemy->Coords = { Player->Coords.x + static_cast<float>((rand() % 100) - 50 ), Player->Coords.y + static_cast<float>((rand() % 100) - 50) };
enemy->Coords = { static_cast<float>(((float)rand() / (float)RAND_MAX) * 1280.0f), static_cast<float>(((float)rand() / (float)RAND_MAX) * 720.0f) };
enemy->dxdy = { static_cast<float>(rand() % 10 - 5), static_cast<float>(rand() % 10 - 5) };
float distanceFromPlayer = vecDistance(Player->Coords, enemy->Coords);
_Logger.Debug(enemy->Coords.x, " ", enemy->Coords.y);
if (distanceFromPlayer > 100)
{
enemy->HitBox = new Collider{ 0, 0, 28, 36 };
Enemies.push_back(enemy);
}
else
{
delete enemy;
}
enemy->HitBox = new Collider{ 0, 0, 28, 36 };
Enemies.push_back(enemy);
}
olc::vf2d desiredLocation = Player->Coords;
for (auto enemy : Enemies)
{
enemy->Velocity = static_cast<float>(TileSize) * (fTime * (Player->Speed / 1.5f) * olc::vf2d(desiredLocation - enemy->Coords).norm());
enemy->dxdy = static_cast<float>(TileSize) * (fTime * (Player->Speed / 1.5f) * olc::vf2d(desiredLocation - enemy->Coords).norm());
enemy->Coords += enemy->Velocity;
enemy->Coords += enemy->dxdy;
}
}
@@ -611,6 +629,12 @@ void Dungeon::Draw(olc::PixelGameEngine* engine, float fTime)
// left
engine->FillRectDecal({0.0f, 0.0f}, {lightLeft, static_cast<float>(engine->ScreenHeight())}, olc::BLACK);
// UI Layer
engine->SetDrawTarget(1);
engine->Clear(olc::BLANK);
engine->DrawString({15, 15}, std::to_string(Enemies.size()), olc::WHITE, 5);
}
Dungeon::~Dungeon()