0.3.1 - Underwater and Fixes

Additions

• Added underwater effect
  • Increases fog, blue ambient lighting, shorter FOV amd swaps backface culling for water
• Added "canBeExploded" property to block materials to prevent things like water being blown up by explosives

Changes

• Block selection highlight is now light by the world
• Tweaked explosion particles

Fixes

• Fixed depth buffer not being cleared before drawing UI
• Fixed hotbar scrolling while in menu
• Held item model now updates when dropping tool
• Fix crash when trying to drop item from empty slot
• Held tool model is now set when joining a world
• Fixed items with restore_health tag actually doing damage
• Fixed entities not rendering behind/through water