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我可以不清除 Quartz Composer 中的背景吗?我想在屏幕上移动图像并使其在旧位置保持可见以产生某种跟踪效果。
谢谢和问候, 塞巴斯蒂安·梅克伦堡
在Render In Image补丁中进行渲染,并将其输出连接到Addition补丁。将输出连接Addition到Accumulator补丁,并将补丁的输出连接到Accumulator补丁的“背景图像”端口Addition,以创建反馈回路。然后将Addition补丁连接到Billboard.
Render In Image
Addition
Accumulator
Billboard
Render In Image选中补丁属性下的“启用反馈渲染” 。