python/pysfml-animatedsprite-class-supplies-next-method-to-adjus


python/pysfml-animatedsprite-class-supplies-next-method-to-adjus

PySFML AnimatedSprite class supplies Next method to adjust frames

.. code-block:: python

from PySFML import sf

class AnimatedSprite( sf.Sprite ): def init( self, image, columns=1,
rows=1, sequence=None, columnwidth=None, rowheight=None ): super(
AnimatedSprite, self ).__init__( image )

         totalwidth, totalheight = self.GetSize() 

         if columnwidth: self.columnwidth = columnwidth 
         else: self.columnwidth = int( totalwidth / columns )

         if rowheight: self.rowheight = rowheight
         else: self.rowheight = int( totalheight / rows )

         if sequence:
             self.sequence = sequence
         else:
             self.sequence = [ number for number in range( 1, ( columns * rows ) + 1 ) ]

         # create a frames list of column and row tuples
         self.frames = [ (x,y) for y in range( 1, rows + 1 ) for x in range( 1, columns + 1 ) ]

         self.current = self.tick = self.complete = 0

         # set the first frame 
         self.Next( self.tick )

     def Next( self, tickrate = 12 ):
         """
         Pass an optional tickrate.
         If tick is greater or equal to tickrate:
         Move the Sub Rectangle or view to the Next position.
         Set complete to True when sequence finishes.
         """
         self.tick += 1

         if self.tick >= tickrate:

             self.tick = 0
             column, row = self.frames[ self.sequence[ self.current ] - 1  ]

             subrect = sf.IntRect( 
                 self.columnwidth * ( column - 1 ), 
                 self.rowheight * ( row - 1 ), 
                 self.columnwidth * column,
                 self.rowheight * row
             ) 

             self.SetSubRect( subrect ) 

             self.current += 1
             if self.current >= len( self.sequence ):
                 self.complete = True
                 self.current = 0

Some example sprite timeline images

.. image:: /attachment/numbers.png :alt: