moveUpLeft method
Move player to Up and Left
Implementation
@override
void moveUpLeft(double speedX, double speedY, {VoidCallback? onCollision}) {
if (animation?.runUpLeft != null) {
animation?.play(SimpleAnimationEnum.runUpLeft);
} else {
animation?.play(SimpleAnimationEnum.runLeft);
}
super.moveUpLeft(speedX, speedY, onCollision: onCollision);
}