bug fixes

Author: jrturton

Pentominoes/Board.swift

@@ -53,9 +53,9 @@ extension Board {
             var distanceToDropPoint = CGFloat.max
             for square in squaresSurrounding(potentialSquare) {
                 if canPositionTile(tile, atSquare: square) {
-                    let center = pointAtCenterOfSquare(square, gridSize: gridSize)
-                    let xDistance = center.x - point.x
-                    let yDistance = center.y - point.y
+                    let origin = pointAtOriginOfSquare(square, gridSize: gridSize)
+                    let xDistance = origin.x - point.x
+                    let yDistance = origin.y - point.y
                     // No need to sqrt since we're just comparing
                     let distance = (xDistance * xDistance) + (yDistance * yDistance)
                     if distance < distanceToDropPoint {

Pentominoes/BoardView.swift

@@ -39,9 +39,11 @@ extension BoardView {
 
     var dropPath: CGPath? {
         set {
+            let origin = highlightLayer.position
             CATransaction.begin()
             CATransaction.setDisableActions(true)
             highlightLayer.path = newValue
+            highlightLayer.position = origin  
             CATransaction.commit()
         }
         get {

Pentominoes/PentominoesViewController.swift

@@ -76,6 +76,7 @@ public class PentominoesViewController: UIViewController {
 
     @IBAction func handleTap(sender: UITapGestureRecognizer) {
         activeTile?.rotate(true)
+        boardView.dropPath = activeTile?.tile.pathForSquares(true, gridSize: gridSize)
     }
 
     @IBAction func handlePan(sender: UIPanGestureRecognizer) {

Pentominoes/TileView.swift

@@ -30,11 +30,11 @@ public class TileView: UIView {
     }
 
     func rotate(clockwise: Bool) {
+        self.tile.rotate(clockwise)
         UIView.animateWithDuration(0.1, animations: {
             self.transform = CGAffineTransformMakeRotation(clockwise ? CGFloat(M_PI_2) : CGFloat(-M_PI_2))
             }, completion: { _ in
                 self.transform = CGAffineTransformIdentity
-                self.tile.rotate(clockwise)
                 self.shapeLayer.path = self.tilePath()
         })
     }