gravity/Readme.md

Gravity Simulator

Runs in a browser. Just serve index.html and associated css and js.

Uses npm for eslint.

Screenshots

TODO

• Selection Box
• Feature: Object List
• Feature: Object Detail
• Feature: Zoom to Object
• Feature: Teleport Object
• Enhancement: Create Time class and refactor to use
• Enhancement: Create Vector class and refactor to use
• Enhancement: Create Panning class and refactor to use
• Enhancement: Handle pointerleave or other mechanism when window loses focus
• Enhancement: Calculate Work as FxD as measure of energy flux
• Feature: Automatically slow time when energy flux is greater
• Enhancement: Add z-axis (Initially nothing changes, z = 0)
• Feature: Isometric 3d View
• Feature: Grid
• Feature: Polar Coordinates
• Feature: Cylindrical Coordinates
• Feature: Spherical Coordinates
• Feature: Camera Velocity Display
• Enhancement: World State Snapshots
• Feature: List / Save / Load World States
• Enhancement: Save / Load Snapshots from Local Storage
• Feature: Import / Export / Share Snapshots
• Feature: Left Button Panning
• Feature: Middle Button Pause
• Feature: Parameter Slider (Invisible, mouse/touch drag)
• Enhancement: Zoom Easing
• Feature: 2-touch Pan & Zoom Either continuous zoom, or discrete with animation of bounding box proposed changes
• Feature: Multi-touch Mass Create
• Feature: Camera Rotation
  • 2-touch Rotation
  • Spinning Frame
• Feature: Undo
  • Undo "Clear Traces" Action
  • In general have a user action history
  • Point-in-time restoral of world state (Marked points, i.e. Snapshots)
• Feature: Time Control: Reverse Time
• Feature: Lossy Rescaling To Widen Zoom (Handling overflow/underflow)
• Enhancement: Track farthest reaches, min/max in each dimension (x, y)
• Fix: Unpause panning when initiated while sim is paused
• Enhancement: Refactor to use viewOrigin as center of display canvas