TilemapLayer / Tileset performance and documentation #1250
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TilemapLayer
- Added "delta scroll rendering"
- Enabled (by default) via `renderSettings.enableScrollDelta`
- Dramatic CPU reduction: 30% to 2% scrolling 50x37 region
- Side-effect: fixed some Chrome de-opt issues with `render`
- Various rendering updates and removal of many `_mc` field
- Made `index` a read-only propert that reflects the layer.index
- Creates a local cache from tile index -> tileset, added `resetTilesetCache`
- Also prevents crash when an index not associated with a tileset is
used; see `missingImageOverfill`.
- Various debug options moved to `debugSettings` and simplified; documentation updated.
- Uses `debugSettings.missingImageOverfill` and `tileColor` (deprecated) to display invalid tileset images
- Only change the context alpha when the tile alpha changes; in Chrome 38
this removed a .5% penalty
- Added `renderSettings` which controls misc. rendering/optimizations.
- Updated documentation to @member, clarified
Tileset
- Added `containsTileIndex` method to allow being queried if the specific tile index is handled/supported.
- Uses a firstgid bias and interlacing to fit the data in single densely packed array.
- Updated documentation to @member, clarified
- Minor regression fix, increasing argument specifity/documentation
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This should also fix: #1240 |
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These changes should alleviate some scrolling performance boos. The only breaking API changes are against some of the |
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May alleviate #1194 - if this does shown an improvement (esp. in Canvas) then the next step is to add in overdraw and bounding support for texture moving for additional performance improvements in WebGL. |
| * @param {integer} x | ||
| * @param {integer} y | ||
| */ | ||
| Phaser.TilemapLayer.prototype.shiftCanvas = function (context, x, y) |
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Shifting the canvas is alot more efficient then redrawing the entire canvas.
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Merging for test. If this goes forward I'm going to have to bump the version to 2.2.0 imho (especially given the ScaleManager updates as well) |
photonstorm
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TilemapLayer / Tileset performance and documentation
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Huge scrolling-performance efficiency increase and some cleanup.