mapmaker

Build pixel-perfect 2D maps for your game.

Takes a directory with images as an input and allows positioning them on a map.

Usage: mapmaker map.json imagesDirectory/

Hotkeys

Key	Action
Arrow Key	Move item by 1 px
Alt + Drag	Clone item
Alt + Arrow Key	Clone item and place nearby (useful for cloning ladder parts, road pieces etc)
Delete / Backspace	Delete item
Shift + Drag	Add items to selection
Ctrl + Click	Add item to selection
Esc	Deselect all

Image metadata

For imagename.png, optionally create imagename-meta.json.

Following fields are supported:

• dockpoints: [ { x: Double, y, Double } ] - dock to specified points while dragging.

Example:

For ladder.png, create ladder-meta.json:

{
  "dockPoints": [
    { "x": 5, "y": 0 },
    { "x": 5, "y": 14 }
  ]
}