static void Main()
{
Font _font = new Font("fonts/JetBrainsMono-Regular.ttf");
var es = new EntityManager();
const uint windowWidth = 1024;
const uint windowHeight = 768;
const int numEntities = 85000;
es.CreateEntities(numEntities);
var bounds = new FloatRect(.0f, .0f, windowWidth, windowHeight);
var window = new RenderWindow(new VideoMode(windowWidth, windowHeight), $"ECS Moving {numEntities} Circles");
window.Closed += (sender, e) => { ((Window)sender).Close(); };
var entities = es.GetEntities();
var cc = new ColorComponent(entities.Count);
var pc = new PositionComponent(entities.Count, ref bounds);
var rc = new RadiusComponent(entities.Count);
var vc = new VelocityComponent(entities.Count);
Text text = new Text("", _font, 24);
text.FillColor = Color.Yellow;
foreach (Entity entity in entities)
{
cc.AddComponent(entity);
pc.AddComponent(entity);
rc.AddComponent(entity);
vc.AddComponent(entity);
}
var ms = new MoveSystem(ref bounds);
Vertex[] vertexes = new Vertex[numEntities * 4];
for (int i = 0; i < numEntities * 4; i++)
{
vertexes[i] = new Vertex();
}
var ds = new DrawSystem(ref vertexes);
var clock = new Clock();
RenderStates _renderStates = new RenderStates(TextureManager.Instance.CircleTexture);
var cycle = 0;
int frames = 0;
while (window.IsOpen)
{
var dt = clock.Restart();
window.Clear();
foreach (Entity entity in entities)
{
ref Vector2f position = ref pc.GetComponent(entity);
ref var velocity = ref vc.GetComponent(entity);
ref var color = ref cc.GetComponent(entity);