5) produces about 5 wiggles per second with an average size of about 20 pixels.
Use this parameter if you want the output to be a wiggle of the property value sampled at a different time.Įxample: position.wiggle(5, 20, 3. The default is 0.5 make it closer to 1 to have the harmonics added at the same amplitude as the base frequency, or closer to 0 to add in less detail. This value controls how fast the harmonics drop off. Make this value higher than the default of 1 to include higher frequencies or lower to include amplitude harmonics in the wiggle.Īmp_mult is the amount that amp is multiplied by for each octave. This value controls how much detail is in the wiggle. Octaves is the number of octaves of noise to add together. Randomly shakes (wiggles) the value of the property.įreq value is the frequency in wiggles per second.Īmp value is the amplitude in units of the property to which it is applied. Value to a random value that does not vary with time: seedRandom(123456, true) īy 100 in this example converts the value in the range 0–1 returnedīy the random method into a number in the rangeĠ–100 this range is more typically useful for the Opacity property,Īrgument type: freq, amp, octaves, amp_mult, and t are Numbers. The initial value of the wiggle function.Įxample, this expression on the Opacity property sets the Opacity The timeless argument allows you to generateĪ random number that doesn’t vary depending on the time of evaluation.īut not the timeless value, is also used to control The timeless argument to not use the current Other than 0 to create a different random sequence. Call seedRandom to set the offset to something The property within the layer, the current time, and an offset value ofĠ. The seed is computed as a function of a unique layer identifier, Use a seed value that controls the sequence of numbers.
Information for the standard JavaScript language, including pagesįor the JavaScript Math and String objects. The W3Schools JavaScript reference website provides Specific dimension is not included, the dimension of the returnedĪrray depends on the dimension of the input. Specifies the dimension of the returned property or Array. Some return-value descriptions include a number in square brackets-this number Number indicates the dimension of the expected property or Array. Some argument descriptions include a number in square brackets-this Then the argument uses the included default value if you don’t specify If an argument description contains an equal sign ( =)Īnd a value (such as t=time or width=.2), Language menu at any time to insert methods and attributes intoĪn expression, and you can use the pick whip at any time to insert JavaScript elements to write your expressions. Use the After Effects expression elements along with standard
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Shape attributes, paint operations, and path operations for shape layers.Paint tools: Brush, Clone Stamp, and Eraser.Overview of shape layers, paths, and vector graphics.Replace images and videos in Motion Graphics templates and Essential Properties.Work with Essential Properties to create Motion Graphics templates.Use expressions to create drop-down lists in Motion Graphics templates.Work with Motion Graphics templates in After Effects.Examples and resources for text animation.Formatting paragraphs and the Paragraph panel.Formatting characters and the Character panel.Importing and interpreting footage items.Importing and interpreting video and audio.Importing from After Effects and Adobe Premiere Pro.View detailed performance information with the Composition Profiler.Precomposing, nesting, and pre-rendering.
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