public Rectangle(Vector2f pos, Vector2f size)
{
X = pos.X;
Y = pos.Y;
Width = size.X;
Height = size.Y;
}
public Rectangle(Vector2f pos, float w, float h)
{
X = pos.X;
Y = pos.Y;
Width = w;
Height = h;
}
public void Draw(Texture2D texture, Vector2f position, Color color)
{
renderEffect.Begin();
renderEffect.BeginPass(0);
texture.Bind(0);
renderEffect.SetColor("c", color);
DrawPrimitive(new Rectangle(position, texture.Width, texture.Height));
renderEffect.EndPass();
renderEffect.End();
}
public static float GetDistance(Vector2f A, Vector2f B)
{
float xd = A.X - B.X;
float yd = A.Y - B.Y;
return (float)M.Sqrt(xd * xd + yd * yd);
}
public Vector2f(Vector2f other)
{
X = other.X;
Y = other.Y;
}
public Vector2f Set(Vector2f other)
{
X = other.X;
Y = other.Y;
return this;
}
public float GetSquaredDistance(Vector2f other)
{
return GetSquaredDistance(this, other);
}
public float Dot(Vector2f v)
{
return X * v.X + Y * v.Y;
}
public Transform(Vector2f pos, Rotation rot)
{
P = pos;
Q = rot;
}
public void SetVector(string name, Vector2f v)
{
handle.SetValue(name, new Vector2(v.X, v.Y));
}
public Vector2f Solve(Vector2f b)
{
float a11 = M00, a12 = M10, a21 = M01, a22 = M11;
float det = a11 * a22 - a12 * a21;
if (det != 0.0f)
{
det = 1.0f / det;
}
Vector2f x;
x.X = det * (a22 * b.X - a12 * b.Y);
x.Y = det * (a11 * b.Y - a21 * b.X);
return x;
}
public static Vector2f Min(Vector2f a, Vector2f b)
{
return new Vector2f(Math.Min(a.X, b.X), Math.Min(a.Y, b.Y));
}
public Vector2f Transform(Vector2f vec)
{
float rot = (float)Math.Atan(M10 / M11);
float sx = (float)Math.Sqrt(M00 * M00 + M01 * M01);
float sy = (float)Math.Sqrt(M10 * M10 + M11 * M11);
return new Vector2f((float)(M02 + sx * (Math.Cos(rot) * vec.X - Math.Sin(rot) * vec.Y)), (float)(M12 + sy * (Math.Sin(rot) * vec.X - Math.Cos(rot) * vec.Y)));
}
public Vector2f MulT(Vector2f v)
{
return new Vector2f(C * v.X + S * v.Y, -S * v.X + C * v.Y);
}
public static float GetSquaredDistance(Vector2f A, Vector2f B)
{
float xd = A.X - B.X;
float yd = A.Y - B.Y;
return xd * xd + yd * yd;
}
public float Cross(Vector2f v)
{
return X * v.X - Y * v.Y;
}
public void Set(Vector2f pos, float rot)
{
P = pos;
Q.Set(rot);
}