{"id":33185,"date":"2024-11-25T16:21:41","date_gmt":"2024-11-25T08:21:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33185\/"},"modified":"2024-11-25T16:21:41","modified_gmt":"2024-11-25T08:21:41","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%88%ae%e5%88%ae%e5%8d%a1%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33185\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u522e\u522e\u5361\u7684\u5b9e\u73b0"},"content":{"rendered":"

\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u522e\u522e\u5361\u7684\u5b9e\u73b0\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5b9e\u73b0\u522e\u522e\u5361\u7684\u6548\u679c\u5462\uff1f<\/p>\n

\u601d\u8def\u662f\uff1a<\/p>\n

1\u3001\u5148\u5c06\u4e2d\u5956\u7684\u56fe\u7247\u6216\u8005\u6587\u5b57\u4f4d\u7f6e\u548c\u5927\u5c0f\u786e\u5b9a<\/p>\n

2\u3001\u5f00\u59cb\u753bcanvas\uff0c\u5c06\u4f4d\u7f6e\u548c\u5927\u5c0f\u8ddf\u4e4b\u524d\u4e2d\u5956\u7684\u6587\u6848\u7684\u4f4d\u7f6e\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n

3\u3001\u5728canvas\u4e0a\u8986\u76d6\u4e00\u5c42\u7070\u8272\u7684\u8499\u5c42\uff0c\u4f5c\u51fa\u522e\u522e\u5361\u672a\u522e\u4e4b\u524d\u7684\u6548\u679c<\/p>\n

\u5177\u4f53\u4ee3\u7801\u5982\u4e0b<\/p>\n

let left=0;\nthis.data.awardCanvas.moveTo(left,0)\nthis.data.awardCanvas.lineTo(left+400,0);\nthis.data.awardCanvas.lineTo(left+400,150);\nthis.data.awardCanvas.lineTo(left,150);\nthis.data.awardCanvas.stroke()\nthis.data.awardCanvas.setFillStyle('#ddd')\nthis.data.awardCanvas.fill()\nthis.data.awardCanvas.draw()<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4\u3001\u5f00\u59cb\u505a\u522e\u522e\u5361\u7684\u52a8\u4f5c\uff0c\u5728canvas\u5b9a\u4e49bindtouchstart\u548cbindtouchmove\u4e24\u4e2a\u89e6\u53d1\u7684\u52a8\u4f5c<\/p>\n
bindtouchstart\u662f\u5f00\u59cb\u843d\u624b\u6307\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\uff0cbindtouchmove\u662f\u624b\u6307\u79fb\u52a8\u7684\u4f4d\u7f6e<\/p>\n
\u5176\u4e2d\u91cd\u8981\u4e00\u4e2acanvas\u5c5e\u6027\u662fclearRect\uff0c\u6e05\u9664\u753b\u5e03\u4e0a\u7684\u5185\u5bb9<\/p>\n
clearRect(\u6e05\u9664\u4f4d\u7f6e\u7684X\u5750\u6807\uff0c\u6e05\u9664\u4f4d\u7f6e\u7684Y\u5750\u6807,\u6e05\u9664\u7684\u5bbd\u5ea6\uff0c\u6e05\u9664\u7684\u9ad8\u5ea6)<\/p>\n
\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
this.data.awardCanvas.clearRect(x,y,15,15);\nthis.data.awardCanvas.draw(true)<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5177\u4f53\u7684\u4ee3\u7801\u5728https:\/\/github.com\/zhaodengping\/scratch-mini<\/span><\/em><\/p>\n
\u5feb\u53bb\u8bd5\u8bd5\u5427\uff0c\u4e5f\u8bb8\u80fd\u522e\u5230\u4e00\u7b49\u5956\u54e6\uff5e\uff5e<\/p>\n
\u63a8\u8350\u6559\u7a0b\uff1a\u300a\u300b<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u522e\u522e\u5361\u7684\u5b9e\u73b0\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5b9e\u73b0\u522e\u522e\u5361\u7684\u6548\u679c\u5462\uff1f \u601d\u8def\u662f\uff1a 1\u3001\u5148\u5c06\u4e2d\u5956\u7684\u56fe\u7247\u6216\u8005\u6587\u5b57\u4f4d\u7f6e\u548c\u5927\u5c0f\u786e\u5b9a 2\u3001\u5f00\u59cb\u753bcanvas\uff0c\u5c06\u4f4d\u7f6e\u548c\u5927\u5c0f\u8ddf\u4e4b\u524d\u4e2d\u5956\u7684\u6587\u6848\u7684\u4f4d\u7f6e\u4fdd\u6301\u4e00\u81f4\u3002 3\u3001\u5728canvas\u4e0a\u8986\u76d6\u4e00\u5c42\u7070\u8272\u7684\u8499\u5c42\uff0c\u4f5c\u51fa\u522e\u522e\u5361\u672a\u522e\u4e4b\u524d\u7684\u6548\u679c \u5177\u4f53\u4ee3\u7801\u5982\u4e0b let left=0; this.data.awardCanvas.moveTo(left,0) this.data.awardCanvas.lineTo(left+400,0); this.data.awardCanvas.lineTo(left+400,150); this.data.awardCanvas.lineTo(left,150); this.data.awardCanvas.stroke() this.data.awardCanvas.setFillStyle(‘#ddd’) this.data.awardCanvas.fill() this.data.awardCanvas.draw() \u767b\u5f55\u540e\u590d\u5236 4\u3001\u5f00\u59cb\u505a\u522e\u522e\u5361\u7684\u52a8\u4f5c\uff0c\u5728canvas\u5b9a\u4e49bindtouchstart\u548cbindtouchmove\u4e24\u4e2a\u89e6\u53d1\u7684\u52a8\u4f5c bindtouchstart\u662f\u5f00\u59cb\u843d\u624b\u6307\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\uff0cbindtouchmove\u662f\u624b\u6307\u79fb\u52a8\u7684\u4f4d\u7f6e \u5176\u4e2d\u91cd\u8981\u4e00\u4e2acanvas\u5c5e\u6027\u662fclearRect\uff0c\u6e05\u9664\u753b\u5e03\u4e0a\u7684\u5185\u5bb9 clearRect(\u6e05\u9664\u4f4d\u7f6e\u7684X\u5750\u6807\uff0c\u6e05\u9664\u4f4d\u7f6e\u7684Y\u5750\u6807,\u6e05\u9664\u7684\u5bbd\u5ea6\uff0c\u6e05\u9664\u7684\u9ad8\u5ea6) \u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a this.data.awardCanvas.clearRect(x,y,15,15); this.data.awardCanvas.draw(true) \u767b\u5f55\u540e\u590d\u5236 \u5177\u4f53\u7684\u4ee3\u7801\u5728https:\/\/github.com\/zhaodengping\/scratch-mini \u5feb\u53bb\u8bd5\u8bd5\u5427\uff0c\u4e5f\u8bb8\u80fd\u522e\u5230\u4e00\u7b49\u5956\u54e6\uff5e\uff5e \u63a8\u8350\u6559\u7a0b\uff1a\u300a\u300b \u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u522e\u522e\u5361\u7684\u5b9e\u73b0\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-33185","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=33185"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33185\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=33185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=33185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=33185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}