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cables DocumentationHow To UseWorking with filesKeyboard ShortcutsUser Interface WalkthroughBeginner TutorialBeginner 1: Drawing A CircleBeginner 2: TransformationsBeginner 3: ColorMore TransformationsintermediateImage CompositionsPost-Processing 3D Scenescommunicationcables APICommunication with an Arduino via SerialCommunicating with Arduino over MQTTExporting And EmbeddingHow to serve files externally and fix CORS headersExporting PatchesExport using the cables command line interfaceExport via IframeExport creating a standalone executableExport to github (pages)Export and deploy to netlifyExport a ZIP fileExternal triggers / functionsUsing variablesPreviewing / uploading exported cables patchescoding opsCreating AttachmentsGeneral op/Port CallbacksPortsDynamic PortsArray PortsBoolean portsInteger Number PortsObject PortsString portsTrigger PortsFloating Point Number PortsGUI/UI attributesHello Op - Part 1LibrariesDeveloping OpsGuidelinesObject PortsWriting ShadersWeb Audio Op DevelopmentHTML and CSS in cablesLightingLightsShadowsWorking with audioBasic Audio SetupWorking with EffectsReal-Time Audio Analyzation & Audio VisualizationOffline Audio Visualization & AnalyzationFAQEmbeddingHow to integrate my cables patch into my CMS (webflow/wix/squarespace/...)?getting a warning when running the patch in electronHow to remove grey rectangles on touch (mobile)?Why doesn't the DownloadTexture op work on iOS?How to disable page scrolling on mobile?Mobile tippsTransparent CanvasFeatures and SupportHow to contribute code to cablesWill there be support for (animated) GIFs?How to report a bug in cablesGeneral questionsLicences and paymentWhat licence do i need to use cables?Will I have to pay for it in the future?How is my work licenced when using cables?Does cables support midi and OSC?ShadertoyTechnical questionsUI / EditorGuide to VR in cablesWebGL1 and WebGL2

More Transformations

Back to part 3

To reuse the circle and draw multiple instances of them you can use the Ops.Trigger.Repeat

Add it like this:

Now you still see one circle, but the num-parameter of Repeat-op has a value 5. The 5 circles are currently drawn at the exact same position. To change this, we need to use the Transform-op again:

  • Connect the outgoing index-port of Repeat to the x-port of the 2nd transform object.
  • Now there will be 5 circles, this is because the Repeat object outputs a number for each instance. In this case 1 to 5. Feeding this into the Transform x port moves each circle as far as it's index number.
  • You may have to insert a new Transform-op before the Repeat-op and adjust the position of them to see them all (use x/y/z transforms to center them)

It should now look like this:

You can add another Repeat-op to make a 2D array of circles like this:

With some more practice and adjustments it is possible to create a 3D cube of cubes. This example uses only two new ops: matCapMaterial and cube:

That’s it. You have finished the beginner tutorial series. Now you should have a look at the existing examples and public projects to learn more…

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