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learn-wgpu/assets/js/11.65c8dcc2.js

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operator"}},[t._v("*")]),t._v("physical_size"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("WindowEvent")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ScaleFactorChanged")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v(" new_inner_size"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("..")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// new_inner_size is &&mut so we have to dereference it twice")]),t._v("\n state"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("resize")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),t._v("new_inner_size"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// ...")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])])]),n("h2",{attrs:{id:"input"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#input"}},[t._v("#")]),t._v(" input()")]),t._v(" "),n("p",[n("code",[t._v("input()")]),t._v(" returns a "),n("code",[t._v("bool")]),t._v(" to indicate whether an event has been fully processed. If the method returns "),n("code",[t._v("true")]),t._v(", the main loop won't process the event any further.")]),t._v(" "),n("p",[t._v("We're just going to return false for now because we don't have any events we want to capture.")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// impl State")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("fn")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function-definition function"}},[t._v("input")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("mut")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("self")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" event"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("WindowEvent")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("->")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("bool")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token boolean"}},[t._v("false")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])])]),n("p",[t._v("We need to do a little more work in the event loop. We want "),n("code",[t._v("State")]),t._v(" to have priority over "),n("code",[t._v("main()")]),t._v(". Doing that (and previous changes) should have your loop looking like this.")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// main()")]),t._v("\nevent_loop"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("move")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token closure-params"}},[n("span",{pre:!0,attrs:{class:"token closure-punctuation punctuation"}},[t._v("|")]),t._v("event"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" _"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" control_flow"),n("span",{pre:!0,attrs:{class:"token closure-punctuation punctuation"}},[t._v("|")])]),t._v(" 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window"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("id")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("if")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("!")]),t._v("state"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("input")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("event"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// UPDATED!")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token 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"),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ElementState")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Pressed")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n virtual_keycode"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Some")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("VirtualKeyCode")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Escape")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("..")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token 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"),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("WindowEvent")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("ScaleFactorChanged")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v(" new_inner_size"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("..")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n state"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("resize")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),n("span",{pre:!0,attrs:{class:"token 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punctuation"}},[t._v("}")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),n("h2",{attrs:{id:"update"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#update"}},[t._v("#")]),t._v(" update()")]),t._v(" "),n("p",[t._v("We don't have anything to update yet, so leave the method empty.")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("fn")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function-definition function"}},[t._v("update")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("mut")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("self")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// remove `todo!()`")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])])]),n("h2",{attrs:{id:"render"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#render"}},[t._v("#")]),t._v(" render()")]),t._v(" "),n("p",[t._v("Here's where the magic happens. First we need to get a frame to render to. This will include a "),n("code",[t._v("wgpu::Texture")]),t._v(" and "),n("code",[t._v("wgpu::TextureView")]),t._v(" that will hold the actual image we're drawing to (we'll cover this more when we talk about textures).")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// impl State")]),t._v("\n\n"),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("fn")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token function-definition function"}},[t._v("render")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("mut")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("self")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("->")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Result")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("wgpu"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")])]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("SwapChainError")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" frame "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("self")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("swap_chain\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("get_current_frame")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("?")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("output"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),n("p",[t._v("We also need to create a "),n("code",[t._v("CommandEncoder")]),t._v(" to create the actual commands to send to the gpu. Most modern graphics frameworks expect commands to be stored in a command buffer before being sent to the gpu. The "),n("code",[t._v("encoder")]),t._v(" builds a command buffer that we can then send to the gpu.")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("let")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("mut")]),t._v(" encoder "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("self")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("device"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("create_command_encoder")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("wgpu"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")])]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("CommandEncoderDescriptor")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n label"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Some")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"Render Encoder"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),n("p",[t._v("Now we can actually get to clearing the screen (long time coming). We need to use the "),n("code",[t._v("encoder")]),t._v(" to create a "),n("code",[t._v("RenderPass")]),t._v(". The "),n("code",[t._v("RenderPass")]),t._v(" has all the methods to do the actual drawing. 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"),n("code",[t._v("encoder.begin_render_pass(...)")]),t._v(" borrows "),n("code",[t._v("encoder")]),t._v(" mutably (aka "),n("code",[t._v("&mut self")]),t._v("). We can't call "),n("code",[t._v("encoder.finish()")]),t._v(" until we release that mutable borrow. The "),n("code",[t._v("{}")]),t._v(" around "),n("code",[t._v("encoder.begin_render_pass(...)")]),t._v(" tells rust to drop any variables within them when the code leaves that scope thus releasing the mutable borrow on "),n("code",[t._v("encoder")]),t._v(" and allowing us to "),n("code",[t._v("finish()")]),t._v(" it. If you don't like the "),n("code",[t._v("{}")]),t._v(", you can also use "),n("code",[t._v("drop(render_pass)")]),t._v(" to achieve the same effect.")]),t._v(" "),n("p",[t._v("We can get the same results by removing the "),n("code",[t._v("{}")]),t._v(", and the "),n("code",[t._v("let _render_pass =")]),t._v(" line, but we need access to the "),n("code",[t._v("_render_pass")]),t._v(" in the next tutorial, so we'll leave it as is.")]),t._v(" "),n("p",[t._v("The last lines of the code tell "),n("code",[t._v("wgpu")]),t._v(" to finish the command buffer, and to submit it to the gpu's render queue.")]),t._v(" "),n("p",[t._v("We need to update the event loop again to call this method. We'll also call update before it too.")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// main()")]),t._v("\nevent_loop"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),n("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("move")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token closure-params"}},[n("span",{pre:!0,attrs:{class:"token closure-punctuation punctuation"}},[t._v("|")]),t._v("event"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" _"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" control_flow"),n("span",{pre:!0,attrs:{class:"token closure-punctuation punctuation"}},[t._v("|")])]),t._v(" "),n("span",{pre:!0,attrs:{class:"token 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this.")]),t._v(" "),n("p",[n("img",{attrs:{src:a(196),alt:"Window with a blue background"}})]),t._v(" "),n("h2",{attrs:{id:"wait-what-s-going-on-with-renderpassdescriptor"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#wait-what-s-going-on-with-renderpassdescriptor"}},[t._v("#")]),t._v(" Wait, what's going on with RenderPassDescriptor?")]),t._v(" "),n("p",[t._v("Some of you may be able to tell what's going on just by looking at it, but I'd be remiss if I didn't go over it. Let's take a look at the code again.")]),t._v(" "),n("div",{staticClass:"language-rust extra-class"},[n("pre",{pre:!0,attrs:{class:"language-rust"}},[n("code",[n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("wgpu"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("::")])]),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("RenderPassDescriptor")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n label"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Some")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),n("span",{pre:!0,attrs:{class:"token string"}},[t._v('"Render Pass"')]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n color_attachments"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("[")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// ...")]),t._v("\n "),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("]")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n depth_stencil_attachment"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),n("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("None")]),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n"),n("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])])]),n("p",[t._v("A "),n("code",[t._v("RenderPassDescriptor")]),t._v(" only has three fields: "),n("code",[t._v("label")]),t._v(", "),n("code",[t._v("color_attachments")]),t._v(" and "),n("code",[t._v("depth_stencil_attachment")]),t._v(". 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Currently we are clearing the screen with a bluish color.")]),t._v(" "),n("div",{staticClass:"note"},[n("p",[t._v("It's not uncommon to not clear the screen if the screen is going to be completely covered up with objects. If your scene doesn't cover the entire screen however you can end up with something like this.")]),t._v(" "),n("p",[n("img",{attrs:{src:a(197),alt:"./no-clear.png"}})])]),t._v(" "),n("h2",{attrs:{id:"challenge"}},[n("a",{staticClass:"header-anchor",attrs:{href:"#challenge"}},[t._v("#")]),t._v(" Challenge")]),t._v(" "),n("p",[t._v("Modify the "),n("code",[t._v("input()")]),t._v(" method to capture mouse events, and update the clear color using that. "),n("em",[t._v("Hint: you'll probably need to use "),n("code",[t._v("WindowEvent::CursorMoved")])]),t._v(".")]),t._v(" "),n("AutoGithubLink")],1)}),[],!1,null,null,null);s.default=e.exports}}]);
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