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wall collision

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This commit is contained in:
Vinzenz Schroeter 2024-04-07 18:18:26 +02:00
parent 54b840da3e
commit dd6b0fffc1
6 changed files with 68 additions and 39 deletions
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8
TanksServer/Services/PixelDrawer.cs
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@ -75,7 +75,7 @@ internal sealed class PixelDrawer : ITickStep
{
foreach (var tank in _tanks)
{
var pos = new PixelPosition((int)tank.Position.X, (int)tank.Position.Y);
var pos = tank.Position.ToPixelPosition();
var rotationVariant = (int)Math.Floor(tank.Rotation);
for (var dy = 0; dy < MapService.TileSize; dy++)
{
@ -83,9 +83,11 @@ internal sealed class PixelDrawer : ITickStep
for (var dx = 0; dx < MapService.TileSize; dx++)
{
if (!TankSpriteAt(dx, dy, rotationVariant))
continue;
var i = rowStartIndex + pos.X + dx;
if (TankSpriteAt(dx, dy, rotationVariant))
buf.Pixels[i] = true;
buf.Pixels[i] = true;
}
}
}

67
TanksServer/Services/TankManager.cs
View file

@ -6,7 +6,7 @@ using TanksServer.Models;
namespace TanksServer.Services;
internal sealed class TankManager(ILogger<TankManager> logger, IOptions<TanksConfiguration> options)
internal sealed class TankManager(ILogger<TankManager> logger, IOptions<TanksConfiguration> options, MapService map)
: ITickStep, IEnumerable<Tank>
{
private readonly ConcurrentBag<Tank> _tanks = new();
@ -33,38 +33,51 @@ internal sealed class TankManager(ILogger<TankManager> logger, IOptions<TanksCon
logger.LogTrace("moving tank for player {}", tank.Owner.Id);
var player = tank.Owner;
// move turret
if (player.Controls.TurnLeft) Rotate(tank, -_config.TurnSpeed);
if (player.Controls.TurnRight) Rotate(tank, +_config.TurnSpeed);
if (player.Controls.TurnLeft)
tank.Rotation -= _config.TurnSpeed;
if (player.Controls.TurnRight)
tank.Rotation += _config.TurnSpeed;
if (player.Controls is { Forward: false, Backward: false })
double speed;
switch (player.Controls)
{
case { Forward: false, Backward: false }:
case { Forward: true, Backward: true }:
return false;
case { Forward: true }:
speed = +_config.MoveSpeed;
break;
case { Backward: true }:
speed = -_config.MoveSpeed;
break;
default:
return false;
}
var angle = tank.Rotation / 16d * 2d * Math.PI;
var newX = tank.Position.X + Math.Sin(angle) * speed;
var newY = tank.Position.Y - Math.Cos(angle) * speed;
return TryMove(tank, new FloatPosition(newX, newY))
|| TryMove(tank, tank.Position with { X = newX })
|| TryMove(tank, tank.Position with { Y = newY });
}
private bool TryMove(Tank tank, FloatPosition newPosition)
{
var x0 = (int)Math.Floor(newPosition.X / MapService.TileSize);
var x1 = (int)Math.Ceiling(newPosition.X / MapService.TileSize);
var y0 = (int)Math.Floor(newPosition.Y / MapService.TileSize);
var y1 = (int)Math.Ceiling(newPosition.Y / MapService.TileSize);
TilePosition[] positions = { new(x0, y0), new(x0, y1), new(x1, y0), new(x1, y1) };
if (positions.Any(map.IsCurrentlyWall))
return false;
var direction = player.Controls.Forward ? 1 : -1;
var angle = tank.Rotation / 16d * 2d * Math.PI;
var newX = tank.Position.X + Math.Sin(angle) * direction * _config.MoveSpeed;
var newY = tank.Position.Y - Math.Cos(angle) * direction * _config.MoveSpeed;
return TryMove(tank, newX, newY)
|| TryMove(tank, newX, tank.Position.Y)
|| TryMove(tank, tank.Position.X, newY);
}
private static bool TryMove(Tank tank, double newX, double newY)
{
// TODO implement
tank.Position = new FloatPosition(newX, newY);
tank.Position = newPosition;
return true;
}
private void Rotate(Tank t, double speed)
{
var newRotation = (t.Rotation + speed + 16) % 16;
logger.LogTrace("rotating tank for {} from {} to {}", t.Owner.Id, t.Rotation, newRotation);
t.Rotation = newRotation;
}
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
public IEnumerator<Tank> GetEnumerator() => _tanks.GetEnumerator();
}