rotateWorld method

void rotateWorld(
  1. double degrees
)

Implementation

void rotateWorld(double degrees) {
  final double a = this.a, b = this.b, c = this.c, d = this.d;
  final double cos = MathUtils.cosDeg(degrees),
      sin = MathUtils.sinDeg(degrees);
  this.a = cos * a - sin * c;
  this.b = cos * b - sin * d;
  this.c = sin * a + cos * c;
  this.d = sin * b + cos * d;
  appliedValid = false;
}