LesserPanda

Class: CollisionMap

CollisionMap

Collision map is a 2D tilemap specifically designed for collision.
All the Entity instances will trace against this map during update.

new CollisionMap(tilesize, data)

Parameters:
Name Type Description
tilesize Number

Tile size in pixel
data Array

A 2D array representing the map.
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Members

data :Array

Map data as a 2D array

Type:
  • Array
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<readonly> height

Height of this map, in tile

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tilesize :Number

Size of tiles in pixel

Type:
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<readonly> width

Width of this map, in tile

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Methods

getTile(r, q)

Get the tile index with its row and column number

Parameters:
Name Type Description
r Number

Row of this tile
q Number

Column of this tile
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Returns:

Tile index

Type
Number

getTileAt(x, y)

Get the tile index at a specific position(in pixel)

Parameters:
Name Type Description
x Number

X position
y Number

Y position
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Returns:

Tile index

Type
Number

setTile(r, q, tile)

Set the tile at the giving row and column

Parameters:
Name Type Description
r Number

Row of this tile
q Number

Column of this tile
tile Number

New tile index
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setTileAt(x, y, tile)

Set the tile at a specific position

Parameters:
Name Type Description
x Number

X position
y Number

Y position
tile Number

New tile index
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trace(coll, sx, sy, res)

Trace a collider against this map.

Parameters:
Name Type Description
coll Collider

Collider object.
sx Number

Movement on x-axis.
sy Number

Movement on y-axis.
res Object

Resolved movement result.
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