{"id":494,"date":"2009-09-27T13:13:03","date_gmt":"2009-09-27T05:13:03","guid":{"rendered":"http:\/\/test999.eblhost.com\/blog\/?p=494"},"modified":"2009-11-17T11:01:13","modified_gmt":"2009-11-17T03:01:13","slug":"processing%ef%bc%9a%e4%ba%92%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=494","title":{"rendered":"Processing\uff1a\u4e92\u52a8"},"content":{"rendered":"

1. setup()\u91cc\u7684\u5185\u5bb9\u4ec5\u6267\u884c\u4e00\u6b21\uff0c\u800c\u540e\u8df3\u5230draw()\uff0cdraw()\u91cc\u7684\u5185\u5bb9\u65e0\u9650\u5faa\u73af\u8fd0\u884c\uff0c\u76f4\u5230\u4f60\u8bbe\u7f6e\u5b83\u505c\u6216\u624b\u52a8\u8ba9\u5176\u505c\u6b62\u3002<\/p>\n

2. setup()\u91cc\u7684\u5185\u5bb9\u6700\u5148\u8fd0\u884c\uff0csize()\u5e94\u5f53\u59cb\u7ec8\u4f5c\u4e3asetup()\u91cc\u7684\u7b2c\u4e00\u884c\uff0c\u56e0\u4e3a\u8fd9\u662fpr\u7684\u4e60\u60ef\u3002\u3002<\/p>\n

3. mouseX\u548cmouseY\u662f\u4e24\u4e2a\u5173\u952e\u503c\uff0c\u4f60\u53ef\u4ee5\u6682\u65f6\u5c06\u5b83\u4eec\u7528\u505a\u76ee\u524d\u7684\u53d8\u91cf\u3002\u7528\u5b83\u4eec\u4ee3\u66ff\u4e00\u4e9b\u503c\u8bd5\u8bd5\uff0c\u4f1a\u6709\u597d\u73a9\u7684\u4e92\u52a8\u3002<\/p>\n

4. pmouseX, pmouseY\uff1a\u9f20\u6807\u7684\u4e0a\u4e00\u4e2a\u5750\u6807\u503c\u3002<\/p>\n

5. \u5c06\u503c\u653e\u5230abs()\u4e2d\u5c06\u5f97\u5230\u5b83\u7684\u7edd\u5bf9\u503c\uff08absolute value\uff09\u3002\u56e0\u6b64\uff0c\u9f20\u6807\u79fb\u52a8\u901f\u5ea6\u7684\u7edd\u5bf9\u503c\u5c31\u662fabs( mouseX – pmouseX ) \u3002<\/p>\n

6. mousePressed() \uff1a\u9f20\u6807\u6309\u4e0b\uff1bkeyPressed()\uff1a\u952e\u76d8\u6309\u952e\u6309\u4e0b\u3002\u5bf9\u5e94\u7684\uff0c\u4f60\u4e0d\u80fd\u8ba9\u8fd9\u4e2a\u52a8\u4f5c\u65e0\u9650\u5faa\u73af\u6267\u884c\u4e0b\u53bb\uff0c\u56e0\u6b64\uff0c\u4f60\u9700\u8981\u5199\u7b2c\u4e09\u5806\u4ee3\u7801\uff0c\u4f8b\u5b50\u5982\u4e0b\uff1a
\nvoid setup()
\n{
\nsize(200,200);
\nbackground(255);
\n}
\n\/\/ \u672c\u4f8b\u4e2d\uff0cdraw()\u5185\u4e0d\u53d1\u751f\u4efb\u4f55\u4e8b
\nvoid draw()
\n{
\n}
\n\/\/ \u65e0\u8bba\u4f55\u65f6\u7528\u6237\u70b9\u51fb\u9f20\u6807\uff0cmousePressed()\u5185\u7684\u4ee3\u7801\u88ab\u6267\u884c
\nvoid mousePressed() {
\nstroke(0);
\nfill(175);
\nrectMode(CENTER);
\nrect(mouseX,mouseY,16,16);
\n}
\n\/\/ \u65e0\u8bba\u4f55\u65f6\u7528\u6237\u70b9\u51fb\u952e\u76d8\uff0ckeyPressed()\u5185\u7684\u4ee3\u7801\u88ab\u6267\u884c
\nvoid keyPressed() {
\nbackground(255);
\n}<\/em><\/p>\n

7. frameRate()\uff1a\u5728draw()\u91cc\u5faa\u73af\u6bcf\u79d2\u7684\u5e27\u6570\uff0c\u53ef\u4ee5\u586b\u51651\uff5e60\uff0c\u4f8b\uff1aframeRate(30)\uff0c\u4ee3\u8868\u6bcf\u79d230\u5e27\u3002\u5982\u679c\u4e0d\u5305\u542b\u8fd9\u4e2a\u53c2\u6570\uff0c\u5219pr\u4f1a\u5c1d\u8bd5\u4ee5\u6bcf\u79d260\u5e27\u7684\u901f\u5ea6\u8fd0\u884c\u4f60\u7684sketch\u3002\u7531\u4e8e\u4e0d\u540c\u7684\u8ba1\u7b97\u673a\u4f1a\u4ee5\u4e0d\u540c\u7684\u901f\u5ea6\u8fd0\u884c\uff0c\u4e8e\u662fframeRate()\u53ef\u4ee5\u786e\u4fdd\u8de8\u8ba1\u7b97\u673a\u8fd0\u884c\u65f6\uff0c\u4fdd\u8bc1\u4f60sketch\u7684\u901f\u7387\u3002\u4f46\u8fd9\u4ec5\u662f\u4e00\u4e2a\u53c2\u6570\u800c\u5df2\uff0c\u5982\u679c\u4f60\u753b\u4e86\u4e00\u767e\u4e07\u4e2a\u77e9\u5f62\u5728\u4f60\u7684sketch\u91cc\uff0c\u90a3\u4e48draw\u5faa\u73af\u4ee5\u53ca\u8fd0\u884c\u7684\u901f\u5ea6\u90fd\u5c06\u5947\u6162\u65e0\u6bd4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

1. setup()\u91cc\u7684\u5185\u5bb9\u4ec5\u6267\u884c\u4e00\u6b21\uff0c\u800c\u540e\u8df3\u5230draw()\uff0cdraw()\u91cc\u7684\u5185\u5bb9\u65e0\u9650\u5faa\u73af\u8fd0\u884c\uff0c\u76f4\u5230\u4f60\u8bbe\u7f6e\u5b83\u505c\u6216\u624b\u52a8\u8ba9\u5176\u505c\u6b62\u3002 2. setup()\u91cc\u7684\u5185\u5bb9\u6700\u5148\u8fd0\u884c\uff0csize()\u5e94\u5f53\u59cb\u7ec8\u4f5c\u4e3asetup()\u91cc\u7684\u7b2c\u4e00\u884c\uff0c\u56e0\u4e3a\u8fd9\u662fpr\u7684\u4e60\u60ef\u3002\u3002 3. mouseX\u548cmouseY\u662f\u4e24\u4e2a\u5173\u952e\u503c\uff0c\u4f60\u53ef\u4ee5\u6682\u65f6\u5c06\u5b83\u4eec\u7528\u505a\u76ee\u524d\u7684\u53d8\u91cf\u3002\u7528\u5b83\u4eec\u4ee3\u66ff\u4e00\u4e9b\u503c\u8bd5\u8bd5\uff0c\u4f1a\u6709\u597d\u73a9\u7684\u4e92\u52a8\u3002 4. pmouseX, pmouseY\uff1a\u9f20\u6807\u7684\u4e0a\u4e00\u4e2a\u5750\u6807\u503c\u3002 5. \u5c06\u503c\u653e\u5230abs()\u4e2d\u5c06\u5f97\u5230\u5b83\u7684\u7edd\u5bf9\u503c\uff08absolute value\uff09\u3002\u56e0\u6b64\uff0c\u9f20\u6807\u79fb\u52a8\u901f\u5ea6\u7684\u7edd\u5bf9\u503c\u5c31\u662fabs( mouseX – pmouseX ) \u3002 6. mousePressed() \uff1a\u9f20\u6807\u6309\u4e0b\uff1bkeyPressed()\uff1a\u952e\u76d8\u6309\u952e\u6309\u4e0b\u3002\u5bf9\u5e94\u7684\uff0c\u4f60\u4e0d\u80fd\u8ba9\u8fd9\u4e2a\u52a8\u4f5c\u65e0\u9650\u5faa\u73af\u6267\u884c\u4e0b\u53bb\uff0c\u56e0\u6b64\uff0c\u4f60\u9700\u8981\u5199\u7b2c\u4e09\u5806\u4ee3\u7801\uff0c\u4f8b\u5b50\u5982\u4e0b\uff1a void setup() { size(200,200); background(255); } \/\/ \u672c\u4f8b\u4e2d\uff0cdraw()\u5185\u4e0d\u53d1\u751f\u4efb\u4f55\u4e8b void draw() { } \/\/ \u65e0\u8bba\u4f55\u65f6\u7528\u6237\u70b9\u51fb\u9f20\u6807\uff0cmousePressed()\u5185\u7684\u4ee3\u7801\u88ab\u6267\u884c void mousePressed() { stroke(0); fill(175); rectMode(CENTER); rect(mouseX,mouseY,16,16); } \/\/ \u65e0\u8bba\u4f55\u65f6\u7528\u6237\u70b9\u51fb\u952e\u76d8\uff0ckeyPressed()\u5185\u7684\u4ee3\u7801\u88ab\u6267\u884c void keyPressed() { background(255); } 7. frameRate()\uff1a\u5728draw()\u91cc\u5faa\u73af\u6bcf\u79d2\u7684\u5e27\u6570\uff0c\u53ef\u4ee5\u586b\u51651\uff5e60\uff0c\u4f8b\uff1aframeRate(30)\uff0c\u4ee3\u8868\u6bcf\u79d230\u5e27\u3002\u5982\u679c\u4e0d\u5305\u542b\u8fd9\u4e2a\u53c2\u6570\uff0c\u5219pr\u4f1a\u5c1d\u8bd5\u4ee5\u6bcf\u79d260\u5e27\u7684\u901f\u5ea6\u8fd0\u884c\u4f60\u7684sketch\u3002\u7531\u4e8e\u4e0d\u540c\u7684\u8ba1\u7b97\u673a\u4f1a\u4ee5\u4e0d\u540c\u7684\u901f\u5ea6\u8fd0\u884c\uff0c\u4e8e\u662fframeRate()\u53ef\u4ee5\u786e\u4fdd\u8de8\u8ba1\u7b97\u673a\u8fd0\u884c\u65f6\uff0c\u4fdd\u8bc1\u4f60sketch\u7684\u901f\u7387\u3002\u4f46\u8fd9\u4ec5\u662f\u4e00\u4e2a\u53c2\u6570\u800c\u5df2\uff0c\u5982\u679c\u4f60\u753b\u4e86\u4e00\u767e\u4e07\u4e2a\u77e9\u5f62\u5728\u4f60\u7684sketch\u91cc\uff0c\u90a3\u4e48draw\u5faa\u73af\u4ee5\u53ca\u8fd0\u884c\u7684\u901f\u5ea6\u90fd\u5c06\u5947\u6162\u65e0\u6bd4\u3002<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[58],"class_list":["post-494","post","type-post","status-publish","format-standard","hentry","category-processing","tag-processing"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=494"}],"version-history":[{"count":5,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/494\/revisions"}],"predecessor-version":[{"id":769,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/494\/revisions\/769"}],"wp:attachment":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}