Easiest way would be to create a composite material instead of standard one (and check "keep ol material"), which will turn your material into an entry of the new composite material. That entry will have a special alpha parameter, that you will have to animate for the functionality you described.
Another way is to set material blend mode to "blend". Also set Color as a second alpha channel, and animate its alpha or color itself. Also, make sure that your first alpha has only white and black parts, and reduce alpha threshold parameter to something small like 10, to not let your material disappear when second alpha channel will be below the threshold. And if your mesh will loook awkward because of blend mode, check "Z fill pass" box for the material.
LIke the whole mesh disappaers through the grades of transparency? Or like a wave of disappearance consuming it without transparency (some death anims using it)?
Both can be achieved by animating alpha related perameters. But first way requires the material to be in blend mode. And simply alpha color can be used, nit a texture.
While for the second way opaque mode would be fine, but alpha texture should be gradiental, and alpha threshold parameter should be involved to decide what alpha level changes mesh to invisible.
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Easiest way would be to create a composite material instead of standard one (and check "keep ol material"), which will turn your material into an entry of the new composite material. That entry will have a special alpha parameter, that you will have to animate for the functionality you described.
Another way is to set material blend mode to "blend". Also set Color as a second alpha channel, and animate its alpha or color itself. Also, make sure that your first alpha has only white and black parts, and reduce alpha threshold parameter to something small like 10, to not let your material disappear when second alpha channel will be below the threshold. And if your mesh will loook awkward because of blend mode, check "Z fill pass" box for the material.
LIke the whole mesh disappaers through the grades of transparency? Or like a wave of disappearance consuming it without transparency (some death anims using it)?
Both can be achieved by animating alpha related perameters. But first way requires the material to be in blend mode. And simply alpha color can be used, nit a texture.
While for the second way opaque mode would be fine, but alpha texture should be gradiental, and alpha threshold parameter should be involved to decide what alpha level changes mesh to invisible.