此模块指定粒子的颜色和透明度在其生命周期中如何变化。
属性: | 功能: |
---|---|
Color | 粒子在其生命周期内的颜色渐变。渐变条的左侧点表示粒子寿命的开始,而渐变条的右侧表示粒子寿命的结束。 在上图中,粒子从橙色开始,随着时间的推移逐渐变淡,并在其寿命结束时不可见。 |
许多类型的天然和超现实粒子的颜色随时间而变化,因此该属性有许多用途。例如,白色强火花在通过空气时会冷却,魔法可能会突然变成彩虹色。但同样重要的还有 Alpha(透明度)的变化。粒子在达到其生命周期终点时燃尽、褪色或消散是很常见的现象(例如,强火花、烟花和烟雾粒子),通过简单的梯度渐变即可产生这种效果。
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