public Matrixf22 Add(Matrixf22 other)
{
return(new Matrixf22(
a + other.a,
b + other.b,
c + other.c,
d + other.d));
}
public Matrixf22 Subtract(Matrixf22 other)
{
return(new Matrixf22(
a - other.a,
b - other.b,
c - other.c,
d - other.d));
}
public Matrixf22 Mul(Matrixf22 other)
{
var newA = a * other.a + b * other.c;
var newB = a * other.b + b * other.d;
var newC = c * other.a + d * other.c;
var newD = c * other.b + d * other.d;
return(new Matrixf22(newA, newB, newC, newD));
}
public static Vector2 Mul(this Vector2 v, Matrixf22 m)
{
return(new Vector2(
v.x * m.a + v.y * m.c,
v.x * m.b + v.y * m.d));
}
public bool Equals(Matrixf22 other)
{
var areEqual = (a == other.a) && (b == other.b) && (c == other.c) && (d == other.d);
return(areEqual);
}
public Matrixf22 Div(Matrixf22 other)
{
return(Mul(other.Inv()));
}