private void CastHorizontal()
{
LineFunction func = new LineFunction(from, to);
for (int i = 0; i < lines.Count; i++)
{
Vector2 vecOut;
if (lines[i].funct.CollidesWith(func, out vecOut))
{
contacts.Add(vecOut);
}
}
}
public override bool CollidesWith(LineFunction line, out Vector2 crossPoint)
{
if (m == line.m)
{
crossPoint = Vector2.Zero;
return(false);
}
float x = (line.b - b) / (m - line.m);
float y = line.ValueAt(x);
crossPoint = new Vector2(x, y);
return(Line.AreOrdered(from.X, x, to.X) && Line.AreOrdered(line.from.X, x, line.to.X));//(x >= from.X && x <= to.X) && (x >= line.from.X && x <= line.to.X);
//x = (b2 - b1) / (m1 - m2)
}
public override bool CollidesWith(LineFunction line, out Vector2 crossPoint)
{
return line.CollidesWith(this, out crossPoint);
}
public abstract bool CollidesWith(LineFunction line, out Vector2 crossPoint);