Balancing issues with feedback reports. Additional blood effects.

The following changes were made to rebalance some fights:

• added difficulty level and shifted normal to hard.

• changed shooting algorithm of NPCs.

• changed behaviour on some NPCs, making their bullets more distinguishable.

The following changes were made to reduce motion sickness that some players experienced

• smoothed movement

• adjustable size and opacity of crosshair

• slightly adjusted height of the player

The following bugs were fixed:

• smoothed movement

• adjustable size and opacity of crosshair

• slightly adjusted height of the player

• movement of the camera of the camera

This update features new gory effects to offer better feedback to the player when hitting an enemy (and is also cool).