As the title says.
In the Decal/Livery/Design Editor, the opacity for each individual shape can be adjusted by a slider. This is all well and good but overlapping shapes (for example, both squares with opacity of 50%) creates errors in the design.
To simulate a consistent 50% opacity in a complex decal group, we’d need to layer a 50% opacity shape on top of it matching the base color of the car. Using masks is also no good as it completely hides the shape, and mask opacity cannot be adjusted either.
Adding an opacity slider for the decal/mask group would greatly improve design quality for all designers/creators in the upcoming game.
Agree this is a great idea, essentially make your own complex shape out of simple shapes, then change the opacity as a group so it looks like one consistent translucent shape.
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Good idea. But
“Using masks is also no good as it completely hides the shape, and mask opacity cannot be adjusted either.”
If your base color is black masking works fine with no color mixing. Also you can adjust the transparency of masks very easily. Still good idea
I would go further and suggest introducing different types of opacity stacking to your idea.
Currently, we have what I’d call “additive opacity”, which makes the opacity of the area where two effects are stacked on top of each other stack additively (for example, two circles with opacity of 0.50 create a shape with opacity of 0.75 (eyeballed) in the space where they are on top of each other).
Your idea would be contained in “average opacity”, where the opacity of the area where two shapes are stacked on top of each other would have the average value from between all stacked shapes. So it could be used as you described, for example with two circles that have an opacity of 0.50, the area where they are stacked on top of each other would still look like opacity 0.50. However, it would have more uses than that. For example, if you had a circle with opacity of 0.75 and another with opacity of 0.25, the area where they are on top of each other would appear to have the average of their opacity values, in this case 0.50, letting you create a group that visually contains more colors than it has shapes (in that example, that would be three different colors using two shapes).
Finally the “subtractive opacity” - the reverse of additive opacity, where the area where two shapes are on top of each other appears less opaque than those two shapes.
Of course, opacity stacking type could only be changed for a group of shapes, and would only affect shapes within that group. To prevent weird interactions between different types, all opacity interactions between single shapes, or between different groups, would be additive as they are right now.
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