Portal Types & Improvements

[HexaField]

Base Functionality

• [x] Same-location portals
• [x] Capture envmap of the other spawn position
• [x] No model or preview mesh

Portal effects

• [x] Default - uses loading screen ui (refactor app state too)
• [ ] Fix spawn rotation
• [ ] Hyperspace effect
  • [x] Convert to inverted sphere mesh with the other scene envmap render
  • [ ] Mesh shrinks when arriving in the new location until the user exists the portal (have a nice spring lerp up when it becomes active)
  • [ ] Locked/deactivated portals
  • [ ] https://www.youtube.com/watch?v=VsGG5JYlqIU
  • [ ] Exponential ramp up the scene flying away behind you as you begin to warp, with the reverse happening when the new scene loads in
  • [ ] Add shooting star particle effects like star wars
  • [ ] Add more particle effects to spice it up