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<section id="pygame-examples-chimp-py">
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/usr/bin/env python</span>
<span class="sd">""" pygame.examples.chimp</span>
<span class="sd">This simple example is used for the line-by-line tutorial</span>
<span class="sd">that comes with pygame. It is based on a 'popular' web banner.</span>
<span class="sd">Note there are comments here, but for the full explanation,</span>
<span class="sd">follow along in the tutorial.</span>
<span class="sd">"""</span>
<span class="c1"># Import Modules</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">pygame</span> <span class="k">as</span> <span class="nn">pg</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">pg</span><span class="o">.</span><span class="n">font</span><span class="p">:</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"Warning, fonts disabled"</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">pg</span><span class="o">.</span><span class="n">mixer</span><span class="p">:</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"Warning, sound disabled"</span><span class="p">)</span>
<span class="n">main_dir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span><span class="vm">__file__</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">data_dir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">main_dir</span><span class="p">,</span> <span class="s2">"data"</span><span class="p">)</span>
<span class="c1"># functions to create our resources</span>
<span class="k">def</span> <span class="nf">load_image</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">colorkey</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="mi">1</span><span class="p">):</span>
<span class="n">fullname</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">data_dir</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
<span class="n">image</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">image</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">fullname</span><span class="p">)</span>
<span class="n">image</span> <span class="o">=</span> <span class="n">image</span><span class="o">.</span><span class="n">convert</span><span class="p">()</span>
<span class="n">size</span> <span class="o">=</span> <span class="n">image</span><span class="o">.</span><span class="n">get_size</span><span class="p">()</span>
<span class="n">size</span> <span class="o">=</span> <span class="p">(</span><span class="n">size</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="n">scale</span><span class="p">,</span> <span class="n">size</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="n">scale</span><span class="p">)</span>
<span class="n">image</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">scale</span><span class="p">(</span><span class="n">image</span><span class="p">,</span> <span class="n">size</span><span class="p">)</span>
<span class="k">if</span> <span class="n">colorkey</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="n">colorkey</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
<span class="n">colorkey</span> <span class="o">=</span> <span class="n">image</span><span class="o">.</span><span class="n">get_at</span><span class="p">((</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="n">image</span><span class="o">.</span><span class="n">set_colorkey</span><span class="p">(</span><span class="n">colorkey</span><span class="p">,</span> <span class="n">pg</span><span class="o">.</span><span class="n">RLEACCEL</span><span class="p">)</span>
<span class="k">return</span> <span class="n">image</span><span class="p">,</span> <span class="n">image</span><span class="o">.</span><span class="n">get_rect</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">load_sound</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
<span class="k">class</span> <span class="nc">NoneSound</span><span class="p">:</span>
<span class="k">def</span> <span class="nf">play</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">pg</span><span class="o">.</span><span class="n">mixer</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">pg</span><span class="o">.</span><span class="n">mixer</span><span class="o">.</span><span class="n">get_init</span><span class="p">():</span>
<span class="k">return</span> <span class="n">NoneSound</span><span class="p">()</span>
<span class="n">fullname</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">data_dir</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
<span class="n">sound</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">mixer</span><span class="o">.</span><span class="n">Sound</span><span class="p">(</span><span class="n">fullname</span><span class="p">)</span>
<span class="k">return</span> <span class="n">sound</span>
<span class="c1"># classes for our game objects</span>
<span class="k">class</span> <span class="nc">Fist</span><span class="p">(</span><span class="n">pg</span><span class="o">.</span><span class="n">sprite</span><span class="o">.</span><span class="n">Sprite</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""moves a clenched fist on the screen, following the mouse"""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">pg</span><span class="o">.</span><span class="n">sprite</span><span class="o">.</span><span class="n">Sprite</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="c1"># call Sprite initializer</span>
<span class="bp">self</span><span class="o">.</span><span class="n">image</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="n">load_image</span><span class="p">(</span><span class="s2">"fist.png"</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fist_offset</span> <span class="o">=</span> <span class="p">(</span><span class="o">-</span><span class="mi">235</span><span class="p">,</span> <span class="o">-</span><span class="mi">80</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">punching</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""move the fist based on the mouse position"""</span>
<span class="n">pos</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">mouse</span><span class="o">.</span><span class="n">get_pos</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">topleft</span> <span class="o">=</span> <span class="n">pos</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">move_ip</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fist_offset</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">punching</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">move_ip</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="mi">25</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">punch</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">target</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""returns true if the fist collides with the target"""</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">punching</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">punching</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">hitbox</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">inflate</span><span class="p">(</span><span class="o">-</span><span class="mi">5</span><span class="p">,</span> <span class="o">-</span><span class="mi">5</span><span class="p">)</span>
<span class="k">return</span> <span class="n">hitbox</span><span class="o">.</span><span class="n">colliderect</span><span class="p">(</span><span class="n">target</span><span class="o">.</span><span class="n">rect</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">unpunch</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""called to pull the fist back"""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">punching</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">class</span> <span class="nc">Chimp</span><span class="p">(</span><span class="n">pg</span><span class="o">.</span><span class="n">sprite</span><span class="o">.</span><span class="n">Sprite</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""moves a monkey critter across the screen. it can spin the</span>
<span class="sd"> monkey when it is punched."""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">pg</span><span class="o">.</span><span class="n">sprite</span><span class="o">.</span><span class="n">Sprite</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="c1"># call Sprite initializer</span>
<span class="bp">self</span><span class="o">.</span><span class="n">image</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="n">load_image</span><span class="p">(</span><span class="s2">"chimp.png"</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="mi">4</span><span class="p">)</span>
<span class="n">screen</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">get_surface</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">area</span> <span class="o">=</span> <span class="n">screen</span><span class="o">.</span><span class="n">get_rect</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">topleft</span> <span class="o">=</span> <span class="mi">10</span><span class="p">,</span> <span class="mi">90</span>
<span class="bp">self</span><span class="o">.</span><span class="n">move</span> <span class="o">=</span> <span class="mi">18</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""walk or spin, depending on the monkeys state"""</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_spin</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_walk</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">_walk</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""move the monkey across the screen, and turn at the ends"""</span>
<span class="n">newpos</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">move</span><span class="p">((</span><span class="bp">self</span><span class="o">.</span><span class="n">move</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">area</span><span class="o">.</span><span class="n">contains</span><span class="p">(</span><span class="n">newpos</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">left</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">area</span><span class="o">.</span><span class="n">left</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">right</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">area</span><span class="o">.</span><span class="n">right</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">move</span> <span class="o">=</span> <span class="o">-</span><span class="bp">self</span><span class="o">.</span><span class="n">move</span>
<span class="n">newpos</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">move</span><span class="p">((</span><span class="bp">self</span><span class="o">.</span><span class="n">move</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">image</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">flip</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">image</span><span class="p">,</span> <span class="kc">True</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="n">newpos</span>
<span class="k">def</span> <span class="nf">_spin</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""spin the monkey image"""</span>
<span class="n">center</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">center</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span> <span class="o">+</span> <span class="mi">12</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span> <span class="o">>=</span> <span class="mi">360</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">image</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">original</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">rotate</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">rotate</span>
<span class="bp">self</span><span class="o">.</span><span class="n">image</span> <span class="o">=</span> <span class="n">rotate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">original</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">image</span><span class="o">.</span><span class="n">get_rect</span><span class="p">(</span><span class="n">center</span><span class="o">=</span><span class="n">center</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">punched</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""this will cause the monkey to start spinning"""</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dizzy</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">original</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">image</span>
<span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
<span class="w"> </span><span class="sd">"""this function is called when the program starts.</span>
<span class="sd"> it initializes everything it needs, then runs in</span>
<span class="sd"> a loop until the function returns."""</span>
<span class="c1"># Initialize Everything</span>
<span class="n">pg</span><span class="o">.</span><span class="n">init</span><span class="p">()</span>
<span class="n">screen</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">set_mode</span><span class="p">((</span><span class="mi">1280</span><span class="p">,</span> <span class="mi">480</span><span class="p">),</span> <span class="n">pg</span><span class="o">.</span><span class="n">SCALED</span><span class="p">)</span>
<span class="n">pg</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">set_caption</span><span class="p">(</span><span class="s2">"Monkey Fever"</span><span class="p">)</span>
<span class="n">pg</span><span class="o">.</span><span class="n">mouse</span><span class="o">.</span><span class="n">set_visible</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span>
<span class="c1"># Create The Background</span>
<span class="n">background</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">Surface</span><span class="p">(</span><span class="n">screen</span><span class="o">.</span><span class="n">get_size</span><span class="p">())</span>
<span class="n">background</span> <span class="o">=</span> <span class="n">background</span><span class="o">.</span><span class="n">convert</span><span class="p">()</span>
<span class="n">background</span><span class="o">.</span><span class="n">fill</span><span class="p">((</span><span class="mi">170</span><span class="p">,</span> <span class="mi">238</span><span class="p">,</span> <span class="mi">187</span><span class="p">))</span>
<span class="c1"># Put Text On The Background, Centered</span>
<span class="k">if</span> <span class="n">pg</span><span class="o">.</span><span class="n">font</span><span class="p">:</span>
<span class="n">font</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">font</span><span class="o">.</span><span class="n">Font</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="mi">64</span><span class="p">)</span>
<span class="n">text</span> <span class="o">=</span> <span class="n">font</span><span class="o">.</span><span class="n">render</span><span class="p">(</span><span class="s2">"Pummel The Chimp, And Win $$$"</span><span class="p">,</span> <span class="kc">True</span><span class="p">,</span> <span class="p">(</span><span class="mi">10</span><span class="p">,</span> <span class="mi">10</span><span class="p">,</span> <span class="mi">10</span><span class="p">))</span>
<span class="n">textpos</span> <span class="o">=</span> <span class="n">text</span><span class="o">.</span><span class="n">get_rect</span><span class="p">(</span><span class="n">centerx</span><span class="o">=</span><span class="n">background</span><span class="o">.</span><span class="n">get_width</span><span class="p">()</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span> <span class="n">y</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span>
<span class="n">background</span><span class="o">.</span><span class="n">blit</span><span class="p">(</span><span class="n">text</span><span class="p">,</span> <span class="n">textpos</span><span class="p">)</span>
<span class="c1"># Display The Background</span>
<span class="n">screen</span><span class="o">.</span><span class="n">blit</span><span class="p">(</span><span class="n">background</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="n">pg</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">flip</span><span class="p">()</span>
<span class="c1"># Prepare Game Objects</span>
<span class="n">whiff_sound</span> <span class="o">=</span> <span class="n">load_sound</span><span class="p">(</span><span class="s2">"whiff.wav"</span><span class="p">)</span>
<span class="n">punch_sound</span> <span class="o">=</span> <span class="n">load_sound</span><span class="p">(</span><span class="s2">"punch.wav"</span><span class="p">)</span>
<span class="n">chimp</span> <span class="o">=</span> <span class="n">Chimp</span><span class="p">()</span>
<span class="n">fist</span> <span class="o">=</span> <span class="n">Fist</span><span class="p">()</span>
<span class="n">allsprites</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">sprite</span><span class="o">.</span><span class="n">RenderPlain</span><span class="p">((</span><span class="n">chimp</span><span class="p">,</span> <span class="n">fist</span><span class="p">))</span>
<span class="n">clock</span> <span class="o">=</span> <span class="n">pg</span><span class="o">.</span><span class="n">time</span><span class="o">.</span><span class="n">Clock</span><span class="p">()</span>
<span class="c1"># Main Loop</span>
<span class="n">going</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">while</span> <span class="n">going</span><span class="p">:</span>
<span class="n">clock</span><span class="o">.</span><span class="n">tick</span><span class="p">(</span><span class="mi">60</span><span class="p">)</span>
<span class="c1"># Handle Input Events</span>
<span class="k">for</span> <span class="n">event</span> <span class="ow">in</span> <span class="n">pg</span><span class="o">.</span><span class="n">event</span><span class="o">.</span><span class="n">get</span><span class="p">():</span>
<span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pg</span><span class="o">.</span><span class="n">QUIT</span><span class="p">:</span>
<span class="n">going</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pg</span><span class="o">.</span><span class="n">KEYDOWN</span> <span class="ow">and</span> <span class="n">event</span><span class="o">.</span><span class="n">key</span> <span class="o">==</span> <span class="n">pg</span><span class="o">.</span><span class="n">K_ESCAPE</span><span class="p">:</span>
<span class="n">going</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pg</span><span class="o">.</span><span class="n">MOUSEBUTTONDOWN</span><span class="p">:</span>
<span class="k">if</span> <span class="n">fist</span><span class="o">.</span><span class="n">punch</span><span class="p">(</span><span class="n">chimp</span><span class="p">):</span>
<span class="n">punch_sound</span><span class="o">.</span><span class="n">play</span><span class="p">()</span> <span class="c1"># punch</span>
<span class="n">chimp</span><span class="o">.</span><span class="n">punched</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">whiff_sound</span><span class="o">.</span><span class="n">play</span><span class="p">()</span> <span class="c1"># miss</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pg</span><span class="o">.</span><span class="n">MOUSEBUTTONUP</span><span class="p">:</span>
<span class="n">fist</span><span class="o">.</span><span class="n">unpunch</span><span class="p">()</span>
<span class="n">allsprites</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<span class="c1"># Draw Everything</span>
<span class="n">screen</span><span class="o">.</span><span class="n">blit</span><span class="p">(</span><span class="n">background</span><span class="p">,</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="n">allsprites</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">screen</span><span class="p">)</span>
<span class="n">pg</span><span class="o">.</span><span class="n">display</span><span class="o">.</span><span class="n">flip</span><span class="p">()</span>
<span class="n">pg</span><span class="o">.</span><span class="n">quit</span><span class="p">()</span>
<span class="c1"># Game Over</span>
<span class="c1"># this calls the 'main' function when this script is executed</span>
<span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s2">"__main__"</span><span class="p">:</span>
<span class="n">main</span><span class="p">()</span>
</pre></div>
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