{"id":519,"date":"2019-01-12T16:32:25","date_gmt":"2019-01-12T08:32:25","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=519"},"modified":"2019-01-17T16:50:21","modified_gmt":"2019-01-17T08:50:21","slug":"creator-%e6%a9%a1%e7%9a%ae%e6%aa%ab","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=519","title":{"rendered":"creator \u6a61\u76ae\u6aab"},"content":{"rendered":"<p>\u5e9f\u8bdd\u4e0d\u903c\u903c \u76f4\u63a5\u4e0a\u4ee3\u7801<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-358\" src=\"http:\/\/blog.xrhoujie.com\/wp-content\/uploads\/2017\/11\/timg.jpeg\" alt=\"\" width=\"211\" height=\"124\" \/><\/p>\n<p>\u62c6\u5206\u4e00\u4e0b \uff0c\u56db\u4e2a\u72b6\u6001 \uff0c\u624b\u6307\u89e6\u5c4f\u5f00\u59cb\uff0c\u624b\u6307\u79fb\u52a8\u64e6\u9664\uff0c\u624b\u6307\u79bb\u5f00\u5c4f\u5e55\uff0c\u624b\u6307\u79bb\u5f00\u5c4f\u5e55\u5230canvas\u5916\u9762<\/p>\n<p>&nbsp;<\/p>\n<div><\/div>\n<p><code> this.node.on(cc.Node.EventType.TOUCH_START, this._onTouchBegin, this);<br \/>\nthis.node.on(cc.Node.EventType.TOUCH_MOVE, this._onTouchMoved, this);<br \/>\nthis.node.on(cc.Node.EventType.TOUCH_END, this._onTouchEnd, this);<br \/>\nthis.node.on(cc.Node.EventType.TOUCH_CANCEL, this._onTouchCancel, this);<\/code><\/p>\n<p>\u5b9a\u4e49\u597d\u56db\u4e2a\u72b6\u6001\u540e \u5f00\u59cb\u5199\u903b\u8f91<br \/>\n<code><br \/>\n_onTouch_onTouchBegin:function (event) {<\/code><br \/>\n<code><br \/>\ncc.log('touchBegin');<\/code><br \/>\n<code><br \/>\nvar point = event.touch.getLocation();<br \/>\npoint = this.node.convertToNodeSpaceAR(point);<br \/>\nthis._addCircle(point);<br \/>\n},<\/code><br \/>\n<code><br \/>\n_addCircle:function (point) {<br \/>\nvar stencil = this.mask._clippingStencil;<br \/>\nvar color = cc.color(255, 255, 255, 0);<br \/>\nstencil.drawPoly(this.mask._calculateCircle(point,cc.p(50,50), 64), color, 0, color);<br \/>\nif (!CC_JSB) {<br \/>\ncc.renderer.childrenOrderDirty = true;<br \/>\n}<br \/>\n},<\/code><\/p>\n<div>\n<div>_clippingStencil\u662fMask\u7ec4\u4ef6\u5185\u90e8\u5b9e\u73b0\u906e\u7f69\u7684\u4e1c\u897f\uff0c<\/div>\n<div>\u7528\u4e8e\u7ed9cc.ClippingNode\uff08cocos2dx\u7684\u906e\u7f69\u8282\u70b9\uff09\u4f5cstencil\u3002<\/div>\n<div>\u5982\u679cMask\u7ec4\u4ef6\u662fRECT\u6216ELLIPSE\u6a21\u5f0f\uff0c\u90a3_clippingStencil\u5c31\u662f\u4e00\u4e2acc.DrawNode\uff08\u4e5f\u662fcocos2dx\u7684\u4e1c\u897f\uff0c\u7406\u89e3\u4e3acc.Graphics\uff09\uff0c<\/div>\n<div>\u901a\u8fc7\u753b\u4e00\u4e2a\u77e9\u5f62\u6216\u8005\u692d\u5706\u6765\u751f\u6210\u906e\u7f69\u6a21\u677fstencil\uff08\u6240\u4ee5\u529f\u80fd\u8981\u5b9e\u73b0\u5fc5\u987b\u8bbe\u7f6eMask\u7684Type\u5c5e\u6027\u4e3aRECT\u6216ELLIPSE\uff09\u3002<\/div>\n<div>cc.ClippingNode\u548ccc.DrawNode\u662fcocos2dx\u7684\u4e1c\u897f\uff0c\u4e0d\u5728Creator\u7684\u5b98\u65b9API\u4e2d\uff0c\u6700\u597d\u901a\u8fc7Mask\u7ec4\u4ef6\u4f7f\u7528\uff0c\u4f46\u662f\u76f4\u63a5\u64cd\u4f5c\u5b83\u53ef\u4ee5\u83b7\u5f97\u66f4\u5927\u7684\u81ea\u7531\u5ea6\u3002<\/div>\n<\/div>\n<div><\/div>\n<div>demo\u5730\u5740 \uff1ahttps:\/\/github.com\/894658027\/HTML5-Games\/tree\/master\/cocosCreator\/creator-eraser<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5e9f\u8bdd\u4e0d\u903c\u903c \u76f4\u63a5\u4e0a\u4ee3\u7801 \u62c6\u5206\u4e00\u4e0b \uff0c\u56db\u4e2a\u72b6\u6001 \uff0c\u624b\u6307\u89e6\u5c4f\u5f00\u59cb\uff0c\u624b\u6307\u79fb\u52a8\u64e6\u9664\uff0c\u624b\u6307\u79bb\u5f00\u5c4f\u5e55\uff0c\u624b\u6307\u79bb\u5f00\u5c4f\u5e55\u5230can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[30],"tags":[32],"_links":{"self":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/519"}],"collection":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=519"}],"version-history":[{"count":3,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/519\/revisions"}],"predecessor-version":[{"id":522,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/519\/revisions\/522"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/media\/307"}],"wp:attachment":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=519"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}