Prabrothers'

Quartz Composer Diary

Glossary

    • Clear
      Clear patch clears the canvas for fresh rendering. It helps remove the visual debris when used inside the Render in Image Patch
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    • Billboard
      A Billboard is a customizable rectangular area on the screen. It displays an image it's provided on the screen which can be customized to have custom width and height. It lacks the 3D properties of a Sprite patch and doesn't work inside 3D Transformation Macro Patch.
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    • Interpolation
      An interpolation patch interpolates between the Start Value and End Value within the specified duration. The Repeat Mode port enables controlling how the animation loops. Interpolation controls the transition from Start to End Value through a mathematical functions designed like ease-in-out.
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    • Logic
      The logic patch is the implemantation of logic gates in Quartz Composer. The OR gate outputs a value 1 if any of the input values is 1. The AND gate outputs a value 1 only if both of the incoming inputs are 1.
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    • Image Dimensions
      The Image Dimension patch feteches the dimensions of an image such as it's width, height and aspect ratio. It also outputs these values in pixel dimensions.
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    • Smooth
      Smooth patch smoothes instantaneuos transitions. For example if 0 turns 1 in an instant, if it is passed through the smooth patch, it makes sure that the intermittent decimal values like 0.001…0.999
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