return this;
}
+ /** this = a * this */
+ public Affine premultiply(Affine A) {
+ float _a = A.a * this.a + A.b * this.c;
+ float _b = A.a * this.b + A.b * this.d;
+ float _c = A.c * this.a + A.d * this.c;
+ float _d = A.c * this.b + A.d * this.d;
+ float _e = A.e * this.a + A.f * this.c + this.e;
+ float _f = A.e * this.b + A.f * this.d + this.f;
+ a = _a; b = _b; c = _c; d = _d; e = _e; f = _f;
+ return this;
+ }
+
public void invert() {
float det = 1 / (a * d - b * c);
float _a = d * det;