def setMouseOffset(myCanvas, tiles, selectedTiles, mouseLoc, isDrag,
selectedTile, grid, gridRes):
# Only areas near the clicked tile are checked to see if they were
# clicked on
areasToCheck = getAreasToCheck(mouseLoc, grid, gridRes)
for area in areasToCheck:
for tile in area:
# Part of this next block insures that only the tile on top
# of other tiles is selected
if (not isDrag and common.isInSquare(mouseLoc, tile.position,
tile.radius) and
common.getDistance(mouseLoc, tile.position) <
tile.radius and (selectedTile is None or
tiles.index(tile) > tiles.index(selectedTile))):
selectedTile = tile
# If there has been a left click, a single tile is selected. If
# there has been a right click, a group of snapped tiles is
# selected.
if selectedTile is not None:
if myCanvas.isLDown:
selectedTiles = [selectedTile]
else:
selectedTiles = []
for tile in selectedTile.tileGroup:
selectedTiles.append(tile)
isDrag = True
for tile in selectedTile.tileGroup:
tile.mouseOffset = common.mySub(mouseLoc, tile.position)
# The next two lines move all the tiles in a seleted group
# of tiles to the top layer of the tiles
tiles.remove(tile)
tiles.append(tile)
return selectedTiles, isDrag, selectedTile
def checkPallet(myCanvas, tiles, mouseLoc, isDrag, selectedTile):
for tile in myCanvas.tilePallet:
if (not isDrag and common.isInSquare(mouseLoc, tile.position,
tile.radius) and common.getDistance(mouseLoc, tile.position) <
tile.radius):
newTile = objects.Tile(myCanvas, tile.image)
newTile.setPosition(tile.position)
tiles.append(newTile)
newTile.mouseOffset = common.mySub(mouseLoc, tile.position)
selectedTile = newTile
isDrag = True
return isDrag, selectedTile
def findMatch(sideA, sideB, minDistance, isMatch, snapdSide, adjSide):
# This block only runs if the two sides are of the same color, and
# also neither side is already snapped to another tile.
if (sideA.color == sideB.color and
common.isInSquare(sideA.corner.getPosition(),
sideB.corner.getPosition(), minDistance) and not sideB.isSnapped):
# When this code is run on different combinations of sides, this
# code makes sure to only set the closest two compatible sides
# as the sides to be used for snapping.
distance = common.getDistance(sideA.corner.getPosition(),
sideB.corner.getPosition())
if distance < minDistance:
minDistance = distance
snapdSide = sideA
adjSide = sideB
isMatch = True
return minDistance, isMatch, snapdSide, adjSide
def checkBorderSnap(mouseLoc, sideA, sideB, checkedTiles, isDragging,
isSnapped, sidesToSnap, snapdTile, isConflict, selectedTiles):
if common.isInSquare(sideA.corner.getAbsPosition(),
sideB.corner.getAbsPosition(), 1):
if not isConflict:
if (sideA.color == sideB.color and not
sideA.isSnapped and not sideB.isSnapped):
sideA.adjSide = sideB
sideB.adjSide = sideA
# If colors match and both sides aren't snapped, they
# are added to a list of sides to snap if there is an
# unclick
sidesToSnap.append(sideA)
else:
if isDragging:
movers.noSnapMove(mouseLoc, selectedTiles)
isSnapped, sidesToSnap, snapdTile, isConflict = \
misc.unSnapAll(sidesToSnap)
isConflict = True
# If there has been a conflict with another tile in the group of
# the tile who's side is being checked, then the tile is just
# added to a list of tiles which have already been checked
checkedTiles.append(sideB.tile)
return isSnapped, sidesToSnap, snapdTile, isConflict
