public static FixTrans2 MakeScale(FixVec2 scale)
{
return(new FixTrans2(
scale.X, 0, 0,
0, scale.Y, 0
));
}
public static FixTrans2 MakeTranslation(FixVec2 delta)
{
return(new FixTrans2(
1, 0, delta.X,
0, 1, delta.Y
));
}
public FixTrans2 Scale(FixVec2 scale)
{
return(new FixTrans2(
_m11 * scale.X, _m12 * scale.X, _m13 * scale.X,
_m21 * scale.Y, _m22 * scale.Y, _m23 * scale.Y
));
}
public FixTrans2 Translate(FixVec2 delta)
{
return(new FixTrans2(
_m11, _m12, _m13 + delta.X,
_m21, _m22, _m23 + delta.Y
));
}
public FixTrans2(FixVec2 position, FixVec2 scale, Fix rotation)
{
Fix cos = FixMath.Cos(rotation);
Fix sin = FixMath.Sin(rotation);
_m11 = cos * scale.X; _m12 = -sin * scale.X; _m13 = position.X;
_m21 = sin * scale.Y; _m22 = cos * scale.Y; _m23 = position.Y;
}
public FixTrans2(FixVec2 position, FixVec2 scale, Fix rotation)
{
Fix cos = FixMath.Cos(rotation);
Fix sin = FixMath.Sin(rotation);
_m11 = cos * scale.X; _m12 = -sin * scale.X; _m13 = position.X;
_m21 = sin * scale.Y; _m22 = cos * scale.Y; _m23 = position.Y;
}
public override bool Equals(Object obj)
{
//Check for null and compare run-time types.
if ((obj == null) || !this.GetType().Equals(obj.GetType()))
{
return(false);
}
else
{
FixVec2 fv = (FixVec2)obj;
return(_x == fv._x.raw && _y.raw == fv._y.raw);
}
}
public static Fix Angle(FixVec2 from, FixVec2 to)
{
Fix denominator = FixMath.Sqrt(from.GetMagnitudeSquared() * to.GetMagnitudeSquared());
if (denominator < Fix.Epsilon)
{
return(Fix.zero);
}
Fix dot = FixMath.Clamp(FixVec2.Dot(from, to) / denominator, -Fix.one, Fix.one);
return(FixMath.Acos(dot) * FixMath.Rad2Deg);
}
public static FixVec2 Cross(FixVec2 lhs, Fix rhs)
{
return(new FixVec2(lhs.y * rhs, lhs.x * -rhs));
}
public static FixVec2 Cross(Fix lhs, FixVec2 rhs)
{
return(new FixVec2(rhs.y * -lhs, rhs.x * lhs));
}
public static Fix Cross(FixVec2 lhs, FixVec2 rhs)
{
return(lhs.x * rhs.y - lhs.y * rhs.x);
}
public static Fix Dot(FixVec2 lhs, FixVec2 rhs)
{
return(lhs.x * rhs.x + lhs.y * rhs.y);
}
public static FixVec2 Max(FixVec2 pointA, FixVec2 t)
{
return(new FixVec2(FixMath.Max(pointA.x, t.x), FixMath.Max(pointA.y, t.y)));
}
public static FixVec2 Abs(FixVec2 v)
{
return(new FixVec2(FixMath.Abs(v.x), FixMath.Abs(v.y)));
}
public FixVec2 Apply(FixVec2 vec)
{
return this * vec;
}
public Fix Cross(FixVec2 rhs)
{
return(_x * rhs._y - _y * rhs._x);
}
public Fix Cross(FixVec2 rhs)
{
return(x * rhs.y - y * rhs.x);
}
public FixTrans2 Scale(FixVec2 scale)
{
return new FixTrans2(
_m11 * scale.X, _m12 * scale.X, _m13 * scale.X,
_m21 * scale.Y, _m22 * scale.Y, _m23 * scale.Y
);
}
public FixTrans2 Translate(FixVec2 delta)
{
return new FixTrans2(
_m11, _m12, _m13 + delta.X,
_m21, _m22, _m23 + delta.Y
);
}
public FixPolygon(IEnumerable <FixVec2> points)
{
Points = points.ToArray();
Edges = new FixVec2[Points.Length];
BuildEdges();
}
public static Vector2 Floating(FixVec2 val)
{
return(new Vector2(Floating(val.X), Floating(val.Y)));
}
public Fix Dot(FixVec2 rhs)
{
return(x * rhs.x + y * rhs.y);
}
public FixVec2 Apply(FixVec2 vec)
{
return(this * vec);
}
public Fix Dot(FixVec2 rhs)
{
return(_x * rhs._x + _y * rhs._y);
}
public Fix Cross(FixVec2 rhs)
{
return _x * rhs._y - _y * rhs._x;
}
public static FixTrans2 MakeScale(FixVec2 scale)
{
return new FixTrans2(
scale.X, 0, 0,
0, scale.Y, 0
);
}
public static FixTrans2 MakeTranslation(FixVec2 delta)
{
return new FixTrans2(
1, 0, delta.X,
0, 1, delta.Y
);
}
public Fix Dot(FixVec2 rhs)
{
return _x * rhs._x + _y * rhs._y;
}
internal static FixVec2 Min(FixVec2 pointA, FixVec2 t)
{
return(new FixVec2(FixMath.Min(pointA.x, t.x), FixMath.Min(pointA.y, t.y)));
}
