public static bool HandleCollisions(TankState state, TankAppliance appliance, VectorGroup oppos, float elapsed)
{
var selfBounds = appliance.Bounds
.Rotate(appliance.Origin, state.Rotation)
.Move(state.Position);
var intersected = false;
var interections = selfBounds.FindIntersections(oppos);
foreach (var((c, d), (a, b)) in interections)
{
intersected = true;
var dir = state.Position.X * (a.Y - b.Y) * state.Position.Y * (b.X - a.X) + (a.X * b.Y - a.Y * b.X);
var v = b - a;
if (dir == 0) // sorry, that's magic
{
continue;
}
var n = new Vector(v.Y, -v.X) * -(dir / MathF.Abs(dir)); // direction to throw body away
state.Speed = 0;
state.Position += n * 0.05f * elapsed;
}
return(intersected);
}
public static void Update(TankState state, TankAppliance appliance, PlayerData data, float elapsed)
{
state.Position += Vector.FromAngle(state.Rotation) * state.Speed * elapsed;
if (data.keys.Contains("W"))
{
state.Speed += (float)(appliance.Acceleration *
Math.Cos(Math.PI * (state.Speed / appliance.MaxSpeed) / 2f) * elapsed);
}
if (data.keys.Contains("S"))
{
state.Speed = (float)PolyTanks.Helpers.MathF.Max(0, state.Speed - appliance.Acceleration * elapsed);
}
if (data.keys.Contains("A"))
{
var movement = appliance.RotationSpeed * elapsed;
state.Rotation += movement;
state.GunRotation += movement;
}
if (data.keys.Contains("D"))
{
var movement = appliance.RotationSpeed * elapsed;
state.Rotation -= movement;
state.GunRotation -= movement;
}
state.Loading += 0.5f * elapsed;
//gun rotation
var target = 0f;
if (Math.Abs(data.mouseDir - state.GunRotation) > 180)
{
if (state.GunRotation > 0)
{
target = 180;
}
else if (state.GunRotation < 0)
{
target = -180;
}
}
else
{
target = data.mouseDir;
}
if (state.GunRotation == 180 || state.GunRotation == -180)
{
state.GunRotation = 179 * Math.Sign(data.mouseDir);
}
else
{
state.GunRotation = MathF.Reach(state.GunRotation, target, appliance.TurretSpeed * elapsed);
}
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
if (DateTime.Now - lastMouseEvent > MouseCooldown)
{
var x = e.Location.X / (float)Width * 2 - 1;
var y = e.Location.Y / (float)Height * 2 - 1;
var angle = MathF.Atan2(y, x);
roomHub.SendAsync("MouseMove", angle);
lastMouseEvent = DateTime.Now;
}
}
