‘‘‘
Shuffled?Camera?Feed?Puzzle
===========================

This?demonstrates?using?Scatter?widgets?with?a?live?camera.
You?should?see?a?shuffled?grid?of?rectangles?that?make?up?the
camera?feed.?You?can?drag?the?squares?around?to?see?the
unscrambled?camera?feed?or?double?click?to?scramble?the?grid
again.
‘‘‘


from?kivy.app?import?App
from?kivy.uix.camera?import?Camera
from?kivy.uix.widget?import?Widget
from?kivy.uix.slider?import?Slider
from?kivy.uix.scatter?import?Scatter
from?kivy.animation?import?Animation
from?kivy.graphics?import?Color?Rectangle
from?kivy.properties?import?NumericProperty
from?random?import?randint?random
from?functools?import?partial


class?Puzzle（Camera）:

????blocksize?=?NumericProperty（100）

????def?on_texture_size（self?instance?value）:
????????self.build（）

????def?on_blocksize（self?instance?value）:
????????self.build（）

????def?build（self）:
????????self.clear_widgets（）
????????texture?=?self.texture
????????if?not?texture:
????????????return
????????bs?=?self.blocksize
????????tw?th?=?self.texture_size
????????for?x?in?range（int（tw?/?bs））:
????????????for?y?in?range（int（th?/?bs））:
????????????????bx?=?x?*?bs
????????????????by?=?y?*?bs
????????????????subtexture?=?texture.get_region（bx?by?bs?bs）
????????????????#?node?=?PuzzleNode（texture=subtexture
????????????????#??????????????????size=（bs?bs）?pos=（bx?by））
????????????????node?=?Scatter（pos=（bx?by）?size=（bs?bs））
????????????????with?node.canvas:
????????????????????Color（1?1?1）
????????????????????Rectangle（size=node.size?texture=subtexture）
????????????????self.add_widget（node）

????????self.shuffle（）

????def?shuffle（self）:
????????texture?=?self.texture
????????bs?=?self.blocksize
????????tw?th?=?self.texture_size
????????count?=?int（tw?/?bs）?*?int（th?/?bs）
????????indices?=?list（range（count））
????????childindex?=?0
????????while?indices:
????????????index?=?indices.pop（randint（0?len（indices）?-?1））
????????????x?=?bs?*?（index?%?int（tw?/?bs））
????????????y?=?bs?*?int（index?/?int（tw?/?bs））
????????????child?=?self.children[childindex]
????????????a?=?Animation（d=random（）?/?4.）?+?Animation（pos=（x?y）
???????????????????????????????????????????????????????t=‘out_quad‘?d=.4）
????????????a.start（child）
????????????childindex?+=?1

????def?on_touch_down（self?touch）:
????????if?touch.is_double_tap:
????????????self.shuffle（）
????????????return?True
????????super（Puzzle?self）.on_touch_down（touch）


class?PuzzleApp（App）:
????def?build（self）:
????????root?=?Widget（）
????????puzzle?=?Puzzle（resolution=（640?480）?play=True）
????????slider?=?Slider（min=100?max=200?step=10?size=（800?50））
????????slider.bind（value=partial（self.on_value?puzzle））

????????root.add_widget（puzzle）
????????root.add_widget（slider）
????????return?root

????def?on_value（self?puzzle?instance?value）:
????????value?=?int（（value?+?5）?/?10）?*?10
????????puzzle.blocksize?=?value
????????instance.value?=?value


PuzzleApp（）.run（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-20?11:15??demo\
?????文件????????2957??2018-04-20?11:15??demo\camera_puzzle.py
?????目錄???????????0??2018-04-20?11:17??demo\kivycatalog\
?????目錄???????????0??2018-04-20?11:17??demo\kivycatalog\.idea\
?????文件??????????11??2018-04-20?11:17??demo\kivycatalog\.idea\.name
?????文件?????????159??2018-04-20?11:17??demo\kivycatalog\.idea\encodings.xml
?????文件?????????284??2018-04-20?11:17??demo\kivycatalog\.idea\kivycatalog.iml
?????文件?????????701??2018-04-20?11:17??demo\kivycatalog\.idea\misc.xml
?????文件?????????274??2018-04-20?11:17??demo\kivycatalog\.idea\modules.xml
?????文件???????15318??2018-04-20?11:17??demo\kivycatalog\.idea\workspace.xml
?????目錄???????????0??2018-04-20?11:15??demo\kivycatalog\container_kvs\
?????文件?????????261??2018-04-20?11:15??demo\kivycatalog\container_kvs\AnchorLayoutContainer.kv
?????文件?????????246??2018-04-20?11:15??demo\kivycatalog\container_kvs\BoxLayoutContainer.kv
?????文件?????????635??2018-04-20?11:15??demo\kivycatalog\container_kvs\ButtonContainer.kv
?????文件?????????489??2018-04-20?11:15??demo\kivycatalog\container_kvs\CheckBoxContainer.kv
?????文件?????????430??2018-04-20?11:15??demo\kivycatalog\container_kvs\FileChooserContainer.kv
?????文件?????????296??2018-04-20?11:15??demo\kivycatalog\container_kvs\FloatLayoutContainer.kv
?????文件?????????355??2018-04-20?11:15??demo\kivycatalog\container_kvs\GridLayoutContainer.kv
?????文件????????1763??2018-04-20?11:15??demo\kivycatalog\container_kvs\LabelContainer.kv
?????文件?????????183??2018-04-20?11:15??demo\kivycatalog\container_kvs\MediaContainer.kv
?????文件?????????748??2018-04-20?11:15??demo\kivycatalog\container_kvs\PlaygroundContainer.kv
?????文件?????????911??2018-04-20?11:15??demo\kivycatalog\container_kvs\PopupContainer.kv
?????文件?????????335??2018-04-20?11:15??demo\kivycatalog\container_kvs\ProgressBarContainer.kv
?????文件?????????220??2018-04-20?11:15??demo\kivycatalog\container_kvs\RestContainer.kv
?????文件?????????336??2018-04-20?11:15??demo\kivycatalog\container_kvs\ScatterContainer.kv
?????文件?????????292??2018-04-20?11:15??demo\kivycatalog\container_kvs\SelectorsContainer.kv
?????文件?????????477??2018-04-20?11:15??demo\kivycatalog\container_kvs\StackLayoutContainer.kv
?????文件?????????527??2018-04-20?11:15??demo\kivycatalog\container_kvs\TextContainer.kv
?????文件????????4695??2018-04-20?11:15??demo\kivycatalog\kivycatalog.kv
?????文件????????6949??2018-04-20?11:15??demo\kivycatalog\main.py
?????目錄???????????0??2018-04-20?11:15??demo\multistroke\
............此處省略64個文件信息