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@mattakinUnityゲーム開発者ギルド

charge effectっぽいものをshader graphでつくってみる (SGL003)

Last updated at Posted at 2022-01-14

シェーダグラフで毎日１つなんか作って見る運動

完成品

集中線がなんか回転しながら伸びたり縮んだりするようなエフェクトを作りたかった

全体像

shader graph overview

つくりかた

concentration lines

極座標をθとrに分解して、θ似関してgradient noiseをかける.
rは範囲内に収まるように適当にremapする
addして合成すると集中線っぽいものができる

add theta

集中線のθは時間のsin波から適当に0-1で回転をつけて合成する.

image.png

smoothstepで線をくっきりさせるが、その閾値を時間sin波で波立たせることで、集中線の大きさの強弱をつける.

あとはBaseColorに接続して完成!

code

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