Instead, the trail determines how fast the color it picked up is dropped off. The length of the effect is also affected.īoth Smearing and Dulling have a “smudge trail”, but in the case of Dulling, the brush shape is preserved. Spacing with Dulling: the lower the spacing, the stronger the effect: lowering the spacing too much can make the dulling effect too strong (it picks up a color and never lets go of it). The strength of the effect remains more or less the same however. Spacing affects the length of the smudge trail, but to a much lesser extent. Spacing with Smearing: the lower the spacing, the smoother the effect, so for smearing with a round brush you may prefer a value of 0.05 or less. Opacity: Below 50%, there is practically no smudging left: keep opacity over 50%. Unchecking the smudge length function sets smudge length to 100% (not 0.00). But it allows for more: it is a little quicker, and it has a better separation between the Color Rate and the Smudge Length. The new smudge algorithm was initially introduced to allow lightness and gradient modes on the color smudge. This can be helpful to get a more opaque effect, as if laying down thick layers of paint, without losing the smudge effect.ĭifferent strokes showing how smear alpha functions. Smear AlphaĬontrols whether the transparency of the smeared pixels is taken into account when painting. This means that smudge length at 100% will never decrease, but smudge lengths under that will decrease based on Spacing and Opacity. ¶ StrengthĪffects how much the smudge length takes from the previous dab its sampling. Same as above, but then for the Dulling Mode. The resulting stroke can be made stronger by increasing the smudge radius or the opacity. It’s recommended to increase the spacing on dulling brushes as much as possible without the stroke looking choppy, as it speeds up the brush without losing smudge quality. Using an arithmetic blending type, Dulling is great for more smooth type of painting. Picks the color underneath the brush dab (using the Smudge Radius, if applicable), and first fills the whole dab with that before applying the color and the opacity. The bottom two strokes are using the Color Dodge blending mode, which does not have any meaningful effect, given the Color Rate is set to 0%. Left-hand set being the old algorithm and the right-hand set the new algorithm. It’s recommended to have a low spacing for Smear, as this will result in a less grainy looking smear.Ī variety of color smudge strokes in the Smear Mode with different opacities, smudge lengths and spacing. Great for making brushes that have a very impasto oil feel to them. This results in a smoother result for Smear Mode, and a more opaque result for Dulling Mode.Ĭopies the area underneath the previous position of the brush onto the new position, taking opacity into account. The former controls how many dabs are placed, and thus how many samples are made.
Smudging is greatly affected by Spacing as well as Opacity. Smudge Length ¶Īffects smudging and allows you to set it to Sensors. This effectively means that color smudge brushes with a blending mode other than Normal will be greatly affected by Color Rate in addition to Spacing and opacity. When using the gradient mode, the Color Rate will control the colored brush tip instead of a flat color.īlending modes are applied when the color part is composed onto the smudge part. This is useful as a starting point for brushes that only need a little smudge. Using the new algorithm, turning off the smudge length is all that’s needed to make a brush that is similar to the Pixel Brush Engine. Same as figure above, but then in Dulling Mode.
But instead, the new algorithm simplifies brush creation, with it being far clearer which elements interact with Color Rate. With the old algorithm, the Color Rate will be affected by both smudge length and opacity, while with the new algorithm, Color Rate will only interact with Opacity.Īt first glance, this may seem like it reduces nuance. New in version 5.0: The option Use new smudge algorithm greatly affects how the Color Rate works.
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