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Update AP physics to handle tiles where tileSize !== baseTileSize

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This commit is contained in:
Michael Hadley 2018-01-17 11:27:29 -06:00
parent 108b6bd2a3
commit 5bc09a2c5c
1 changed files with 32 additions and 4 deletions
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36
src/physics/arcade/inc/CollideSpriteVsTilemapLayer.js
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@ -11,10 +11,30 @@ var CollideSpriteVsTilemapLayer = function (sprite, tilemapLayer, collideCallbac
return false;
}
var mapData = tilemapLayer.getTilesWithinWorldXY(
body.position.x, body.position.y,
body.width, body.height
);
var x = body.position.x;
var y = body.position.y;
var w = body.width;
var h = body.height;
// TODO: this logic should be encapsulated within the Tilemap API at some point.
// If the map's base tile size differs from the layer's tile size, we need to adjust the
// selection area by the difference between the two.
var layerData = tilemapLayer.layer;
if (layerData.tileWidth > layerData.baseTileWidth)
{
// The x origin of a tile is the left side, so x and width need to be adjusted.
let xDiff = (layerData.tileWidth - layerData.baseTileWidth) * tilemapLayer.scaleX;
x -= xDiff;
w += xDiff;
}
if (layerData.tileHeight > layerData.baseTileHeight)
{
// The y origin of a tile is the bottom side, so just the height needs to be adjusted.
let yDiff = (layerData.tileHeight - layerData.baseTileHeight) * tilemapLayer.scaleY;
h += yDiff;
}
var mapData = tilemapLayer.getTilesWithinWorldXY(x, y, w, h);
if (mapData.length === 0)
{
@ -29,6 +49,14 @@ var CollideSpriteVsTilemapLayer = function (sprite, tilemapLayer, collideCallbac
tile = mapData[i];
tileWorldRect.left = tilemapLayer.tileToWorldX(tile.x);
tileWorldRect.top = tilemapLayer.tileToWorldY(tile.y);
// If the map's base tile size differs from the layer's tile size, only the top of the rect
// needs to be adjusted since it's origin is (0, 1).
if (tile.baseHeight !== tile.height)
{
tileWorldRect.top -= (tile.height - tile.baseHeight) * tilemapLayer.scaleY;
}
tileWorldRect.right = tileWorldRect.left + tile.width * tilemapLayer.scaleX;
tileWorldRect.bottom = tileWorldRect.top + tile.height * tilemapLayer.scaleY;