ISN correction du snake

ISN/pygame/snake_corr.py

@@ -1,22 +1,180 @@
-import pygame
+"""
+ Snake pour l'ISN
 
+"""
+
+import pygame
+from random import randint
+
+def draw_grid():
+    """ Dessine la grille """
+    for i in range(COLUMN+1):
+        pygame.draw.line(screen, WHITE, (i*CELLSIZE, 0), (i*CELLSIZE, ROW*CELLSIZE))
+    for i in range(ROW+1):
+        pygame.draw.line(screen, WHITE, (0, i*CELLSIZE), (COLUMN*CELLSIZE, i*CELLSIZE))
+
+def draw_snake(snake):
+    """ Dessine le serpent """
+    for i, j in snake:
+        top_left = (i * CELLSIZE, j * CELLSIZE)
+        pygame.draw.rect(screen, GREEN, (*top_left, CELLSIZE, CELLSIZE))
+
+def draw_cherry(cherry):
+    """ Dessine les cherry (bonus) """
+    center = (int((cherry[0] + 0.5) * CELLSIZE), int((cherry[1] + 0.5) * CELLSIZE)) 
+    radius = int(0.5*CELLSIZE)
+    pygame.draw.circle(screen, RED, center, radius)
+
+def draw_right(score):
+    """ Dessine la partie droite de la fenête """
+    width_right_bar = s_width - COLUMN*CELLSIZE
+    top_left_right_bar = (COLUMN*CELLSIZE, 0)
+    title = TITLEFONT.render("SNAKE", True, WHITE)
+    title_rect = title.get_rect()
+    title_rect.centerx = int(top_left_right_bar[0] + width_right_bar/2)
+    title_rect.centery = 50
+    screen.blit(title, title_rect)
+
+    score_text = "Score " + str(score)
+    score = TEXTFONT.render(score_text, True, WHITE)
+    score_rect = score.get_rect()
+    score_rect.centerx = int(top_left_right_bar[0] + width_right_bar/2)
+    score_rect.centery = 100
+    screen.blit(score, score_rect)
+
+def random_place(row, col):
+    """ Retourne un lieu aléatoire sur la grille """
+    return [randint(0, row-1), randint(0, col-1)]
+
+def move_snake(snake, snake_direction, growing):
+    """ Retourne la nouvelle position du snake
+
+    Si growing est True, on ne supprime par le dernier élément de la queue pour que le serpent grandisse
+
+    L'idée est de trouver les coordonnées de la nouvelle tête (new_head) puis de coller le corp du serpent (en supprimant la dernière partie si l'on veut que le serpent de grandisse pas.
+    
+    """
+    new_head = [snake[0][0] + snake_direction[0], snake[0][1] + snake_direction[1]]
+    if growing:
+        return [new_head] + snake
+    else:
+        # [:-1] permet de dire que l'on veut la liste sauf le dernier élément.
+        return [new_head] + snake[:-1]
+
+def is_out(snake):
+    """ Retourne True si le snake est sorti de la grille """
+    # le snake[0] est la tête du serpent.
+    return snake[0][0] > COLUMN or \
+            snake[0][0] < 0 or \
+            snake[0][1] > ROW or\
+            snake[0][1] < 0
+
+def is_eating_queue(snake):
+    """ Retourne True si le serpent se mort la queue """
+    # On se demande si la tête du serpent est dans (in) la queue dans ce cas il se mort la queue
+    return snake[0] in snake[1:]
+
+def is_eating(snake, cherry):
+    """ Retroune True si le snake mange la cherry"""
+    return snake[0] == cherry
+
+# Call this function so the Pygame library can initialize itself
 pygame.init()
 
-largeur = 600
+# --- Globals ---
-hauteur = 400
+# Colors
-windowSurface = pygame.display.set_mode((largeur, hauteur), 0,32)
+BLACK = (0, 0, 0)
-
+GREEN = (0, 255, 0)
+RED = (255, 0, 0)
 WHITE = (255, 255, 255)
+# font
+TITLEFONT = pygame.font.SysFont(None, 48)
+TEXTFONT = pygame.font.SysFont(None, 30)
+
+# THE GRID
+ROW = 20
+COLUMN = 20
+
+# CELL
+CELLSIZE = 20
+
+# Create an 800x600 sized screen
+s_width = COLUMN * CELLSIZE + 200
+s_height = ROW * CELLSIZE + 1
+screen = pygame.display.set_mode([s_width, s_height])
+
+# Set the title of the window
+pygame.display.set_caption('Snake')
+
+clock = pygame.time.Clock()
+
+# The snake
+snake = [[5, 5], [4, 5], [3, 5]]
+snake_direction = [1, 0]
+
+# The cherry
+cherry = random_place(ROW, COLUMN)
+
+# The score
+score = 0
+growing = False
 
 running = True
 while running:
-
+    # Event loop
-    pygame.draw.line(windowSurface, WHITE, (0,10), (600,10))
-
-    pygame.display.update()
-
     for event in pygame.event.get():
         if event.type == pygame.QUIT:
             running = False
+        elif event.type == pygame.KEYUP:
+            # On empèche que le snake fasse demi tour
+            if event.key == pygame.K_UP:
+                if snake_direction != [0, 1]:
+                    snake_direction = [0, -1]
+            elif event.key == pygame.K_DOWN:
+                if snake_direction != [0, -1]:
+                    snake_direction = [0, 1]
+            elif event.key == pygame.K_LEFT:
+                if snake_direction != [1, 0]:
+                    snake_direction = [-1, 0]
+            elif event.key == pygame.K_RIGHT:
+                if snake_direction != [-1, 0]:
+                    snake_direction = [1, 0]
+
+    # Move the snake
+    if growing:
+        snake = move_snake(snake, snake_direction, True)
+        growing = False
+    else:
+        snake = move_snake(snake, snake_direction, False)
+
+    # Draw elements
+    screen.fill(BLACK)
+    draw_grid()
+    draw_right(score)
+    draw_snake(snake)
+    draw_cherry(cherry)
+
+    # Flip screen
+    pygame.display.flip()
+
+    if is_eating(snake, cherry):
+        score = score + 1
+        growing = True
+        cherry = random_place(ROW, COLUMN)
+
+    # loosing!
+    if is_out(snake) or is_eating_queue(snake):
+        screen.fill(BLACK)
+        text = TITLEFONT.render('You loose!!', True, BLACK,WHITE)
+        textRect = text.get_rect()
+        textRect.centerx = screen.get_rect().centerx
+        textRect.centery = screen.get_rect().centery
+        screen.blit(text, textRect)
+        pygame.display.flip()
+        pygame.time.wait(1000)
+        running = False
+
+    # Pause
+    clock.tick(2)
 
 pygame.quit()

ISN/pygame/snake_expl.svg

@@ -0,0 +1,311 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 801.33331 570.66669"
+   height="570.66669"
+   width="801.33331"
+   id="svg869"
+   version="1.1"
+   sodipodi:docname="snake_expl.svg"
+   inkscape:version="0.92.2 2405546, 2018-03-11">
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1052"
+     id="namedview48"
+     showgrid="false"
+     inkscape:zoom="1.1697"
+     inkscape:cx="323.7925"
+     inkscape:cy="206.6537"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg869" />
+  <metadata
+     id="metadata875">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs873">
+    <marker
+       inkscape:stockid="Arrow1Mend"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="Arrow1Mend"
+       style="overflow:visible;"
+       inkscape:isstock="true">
+      <path
+         id="path986"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.4) rotate(180) translate(10,0)" />
+    </marker>
+    <marker
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="marker8051"
+       style="overflow:visible;">
+      <path
+         id="path8049"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.8) rotate(180) translate(12.5,0)" />
+    </marker>
+    <marker
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="marker7709"
+       style="overflow:visible">
+      <path
+         id="path7707"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.8) translate(12.5,0)" />
+    </marker>
+    <marker
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="marker7395"
+       style="overflow:visible">
+      <path
+         id="path7393"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.8) translate(12.5,0)" />
+    </marker>
+    <marker
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="marker7379"
+       style="overflow:visible;">
+      <path
+         id="path7377"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.8) rotate(180) translate(12.5,0)" />
+    </marker>
+    <marker
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="marker7119"
+       style="overflow:visible;">
+      <path
+         id="path7117"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         transform="scale(0.8) rotate(180) translate(12.5,0)" />
+    </marker>
+    <marker
+       style="overflow:visible;"
+       id="marker1407"
+       refX="0.0"
+       refY="0.0"
+       orient="auto">
+      <path
+         transform="scale(0.8) rotate(180) translate(12.5,0)"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         id="path1405" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="marker1237"
+       refX="0.0"
+       refY="0.0"
+       orient="auto">
+      <path
+         transform="scale(0.8) translate(12.5,0)"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         id="path1235" />
+    </marker>
+    <marker
+       style="overflow:visible;"
+       id="Arrow1Lend"
+       refX="0.0"
+       refY="0.0"
+       orient="auto">
+      <path
+         transform="scale(0.8) rotate(180) translate(12.5,0)"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         id="path928" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="Arrow1Lstart"
+       refX="0.0"
+       refY="0.0"
+       orient="auto">
+      <path
+         transform="scale(0.8) translate(12.5,0)"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         id="path925" />
+    </marker>
+    <marker
+       style="overflow:visible"
+       id="Arrow1Mstart"
+       refX="0.0"
+       refY="0.0"
+       orient="auto">
+      <path
+         transform="scale(0.4) translate(10,0)"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1;fill:#000000;fill-opacity:1"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         id="path931" />
+    </marker>
+  </defs>
+  <image
+     sodipodi:absref="/home/lafrite/Cours/Prof/Enseignements/2017-2018/ISN/pygame/fig/snake_corr.png"
+     xlink:href="fig/snake_corr.png"
+     y="109.27795"
+     x="144.4212"
+     id="image877"
+     preserveAspectRatio="none"
+     height="352.11078"
+     width="494.43591" />
+  <path
+     id="path879"
+     d="M 145.96232,87.695672 H 637.31601"
+     style="fill:none;stroke:#000000;stroke-width:1.00157475;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Arrow1Lstart);marker-end:url(#Arrow1Lend)" />
+  <path
+     id="path881"
+     d="M 648.04522,135.73483 V 462.01432"
+     style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-start:url(#marker1237);marker-end:url(#marker1407)" />
+  <g
+     id="g917">
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;line-height:1;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+       x="132.58679"
+       y="143.47269"
+       id="text885"><tspan
+         x="132.58679"
+         y="143.47269"
+         id="tspan887"
+         style="font-size:13.33333302px;line-height:1">0</tspan><tspan
+         x="132.58679"
+         y="159.47269"
+         style="font-size:13.33333302px;line-height:1"
+         id="tspan893">1</tspan><tspan
+         x="132.58679"
+         y="175.47269"
+         id="tspan889"
+         style="font-size:13.33333302px;line-height:1">2</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:13.33333302px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+       x="115.35721"
+       y="456.22137"
+       id="text897"><tspan
+         id="tspan895"
+         x="115.35721"
+         y="456.22137">ROW</tspan></text>
+  </g>
+  <text
+     id="text901"
+     y="479.93118"
+     x="152.74573"
+     style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+     xml:space="preserve"><tspan
+       y="491.57919"
+       x="152.74573"
+       id="tspan899" /></text>
+  <g
+     id="g923">
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:-1.29999995px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+       x="148.18616"
+       y="474.45969"
+       id="text905"><tspan
+         id="tspan903"
+         x="148.18616"
+         y="474.45969">0 1 2</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+       x="439.54291"
+       y="474.12369"
+       id="text909"><tspan
+         id="tspan907"
+         x="439.54291"
+         y="474.12369">COLUMN</tspan></text>
+  </g>
+  <text
+     id="text1743"
+     y="77.378532"
+     x="357.61792"
+     style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+     xml:space="preserve"><tspan
+       y="77.378532"
+       x="357.61792"
+       id="tspan1741">s_width</tspan></text>
+  <text
+     id="text1747"
+     y="288.85159"
+     x="671.25879"
+     style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+     xml:space="preserve"><tspan
+       y="288.85159"
+       x="671.25879"
+       id="tspan1745">s_height</tspan></text>
+  <text
+     id="text7577"
+     y="274.75037"
+     x="64.289993"
+     style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:13.33333302px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+     xml:space="preserve"><tspan
+       y="274.75037"
+       x="64.289993"
+       id="tspan7575">CELLSIZE</tspan></text>
+  <path
+     style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-start:url(#Arrow1Mstart);marker-end:url(#Arrow1Mend)"
+     d="m 132.51261,263.9641 v 14.31991"
+     id="path915"
+     inkscape:connector-curvature="0" />
+  <path
+     style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-start:url(#marker1237);marker-end:url(#marker7119)"
+     d="M 479.61017,497.14356 H 636.06055"
+     id="path1319"
+     inkscape:connector-curvature="0" />
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:13.33333302px;line-height:1.25;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;-inkscape-font-specification:'Consolas, Liberation Mono, Menlo, Courier, monospace';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+     x="496.70856"
+     y="519.37146"
+     id="text1323"><tspan
+       sodipodi:role="line"
+       id="tspan1321"
+       x="496.70856"
+       y="519.37146">width_right_bar</tspan></text>
+</svg>