New shape function: Airplane

Parameter 1, Wing position

Parameter 2, Wing Distortion

Parameter 3, Wing anglecut

Parameter 4, Fuselage angle

Changelog:  09.07.2018

• Added more palettes
• Added new buttons - H V B - it changes small details in noise generation
• Added debug mode - press F12
• Added new shape function - Airplane
  Airplane has parameters to modify, position and shape of wings,
  and shape of fuselage
• Changed texture generation a bit
• Changed presets and added more of them
• Changed palette button
• Fixed bug that was crashing generation