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);
}
