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docs: MapTile

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This commit is contained in:
Hannes Janetzek 2014-03-16 15:30:06 +01:00
parent a475aa6c22
commit 56c4323959
1 changed files with 18 additions and 13 deletions
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31
vtm/src/org/oscim/layers/tile/MapTile.java
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@ -25,10 +25,10 @@ import org.oscim.utils.quadtree.Node;
import org.oscim.utils.quadtree.QuadTree;
/**
* Extends Tile class to hold state and data for concurrent use in
* TileManager (Main Thread),
* TileLoader (Worker Thread) and
* TileRenderer (GL Thread).
* Extends Tile class to hold state and data.
*
* Used concurrently in: TileManager (Main Thread), TileLoader (Worker Thread)
* and TileRenderer (GL Thread).
*/
public class MapTile extends Tile {
@ -117,18 +117,22 @@ public class MapTile extends Tile {
* Tile is in view region. Set by TileRenderer.
*/
public boolean isVisible;
/**
* Used for fade-effects
*/
public long fadeTime;
/**
* Pointer to access relatives in QuadTree
*/
public final TileNode node;
/**
* to avoid drawing a tile twice per frame
* Used to avoid drawing a tile twice per frame
* TODO remove
*/
int lastDraw = 0;
/**
* Pointer to access relatives in {@link QuadTree}
*/
public final TileNode node;
public final static int PROXY_CHILD1 = 1 << 0;
public final static int PROXY_CHILD2 = 1 << 1;
@ -221,15 +225,16 @@ public class MapTile extends Tile {
}
/**
* Test whether it is save to access a proxy item through
* this.rel.*
* Test whether it is save to access a proxy item
* through this.node.*
*/
public boolean hasProxy(int proxy) {
return (proxies & proxy) != 0;
}
/**
* CAUTION: This function may only be called by {@link TileManager}
* CAUTION: This function may only be called
* by {@link TileManager}
*/
protected void clear() {
while (data != null) {