Remove recalculation of tile bounds from arcade physics

Author: mikewesthad

src/physics/arcade/inc/tilemap/SeparateTile.js

@@ -55,7 +55,7 @@ var SeparateTile = function (i, body, tile, tileWorldRect, tilemapLayer, tileBia
     {
         if (faceHorizontal)
         {
-            ox = TileCheckX(body, tile, tilemapLayer, tileBias);
+            ox = TileCheckX(body, tile, tileLeft, tileRight, tileBias);
 
             //  That's horizontal done, check if we still intersects? If not then we can return now
             if (ox !== 0 && !TileIntersectsBody(tileWorldRect, body))
@@ -66,14 +66,14 @@ var SeparateTile = function (i, body, tile, tileWorldRect, tilemapLayer, tileBia
 
         if (faceVertical)
         {
-            oy = TileCheckY(body, tile, tilemapLayer, tileBias);
+            oy = TileCheckY(body, tile, tileTop, tileBottom, tileBias);
         }
     }
     else
     {
         if (faceVertical)
         {
-            oy = TileCheckY(body, tile, tilemapLayer, tileBias);
+            oy = TileCheckY(body, tile, tileTop, tileBottom, tileBias);
 
             //  That's vertical done, check if we still intersects? If not then we can return now
             if (oy !== 0 && !TileIntersectsBody(tileWorldRect, body))
@@ -84,7 +84,7 @@ var SeparateTile = function (i, body, tile, tileWorldRect, tilemapLayer, tileBia
 
         if (faceHorizontal)
         {
-            ox = TileCheckX(body, tile, tilemapLayer, tileBias);
+            ox = TileCheckX(body, tile, tileLeft, tileRight, tileBias);
         }
     }
 

src/physics/arcade/inc/tilemap/TileCheckX.js

@@ -10,12 +10,9 @@ var ProcessTileSeparationX = require('./ProcessTileSeparationX');
 * @param {Phaser.TilemapLayer} tilemapLayer - The tilemapLayer to collide against.
 * @return {number} The amount of separation that occurred.
 */
-var TileCheckX = function (body, tile, tilemapLayer, tileBias)
+var TileCheckX = function (body, tile, tileLeft, tileRight, tileBias)
 {
     var ox = 0;
-    var tileLeft = tilemapLayer.tileToWorldX(tile.x);
-    var tileWidth = tile.width * tilemapLayer.scaleX;
-    var tileRight = tileLeft + tileWidth;
 
     if (body.deltaX() < 0 && !body.blocked.left && tile.collideRight && body.checkCollision.left)
     {

src/physics/arcade/inc/tilemap/TileCheckY.js

@@ -10,12 +10,9 @@ var ProcessTileSeparationY = require('./ProcessTileSeparationY');
 * @param {Phaser.TilemapLayer} tilemapLayer - The tilemapLayer to collide against.
 * @return {number} The amount of separation that occurred.
 */
-var TileCheckY = function (body, tile, tilemapLayer, tileBias)
+var TileCheckY = function (body, tile, tileTop, tileBottom, tileBias)
 {
     var oy = 0;
-    var tileTop = tilemapLayer.tileToWorldX(tile.y);
-    var tileHeight = tile.height * tilemapLayer.scaleY;
-    var tileBottom = tileTop + tileHeight;
 
     if (body.deltaY() < 0 && !body.blocked.up && tile.collideDown && body.checkCollision.up)
     {