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Blender摄像机环绕运动、动画渲染、视频合成
2022-07-02 06:36:00 【乔安鱼】
用blender为自己的模型做一个展示动画
一、环绕运动
添加一个摄像机和一个圆环——把圆环缩放到调好的摄像机处

选中摄像机,添加约束——跟随路径——路径选择圆环


约束后,摄像机的坐标跑到很远的地方,alt+G——恢复坐标

点击动画路径,摄像机才会开始运动
再添加一个约束——标准跟随——选中房子——调节跟随轴、向上来调整摄像机视图




改变摄像机速度:找到第一帧——在跟随曲线中选择固定位置——鼠标在偏移系数处按I键k帧——拖动标记到240帧处,把偏移系数改到1,按I键k帧





现在是渐入渐出的效果,调为平均速度:选中两个帧——T选择插值模式——线性
可以通过缩放和调整圆圈大小来改变摄像机视野
二、渲染
在“输出”中选择文件位置——格式PNG

三、视频合成
添加视频合成面板——添加图像序列——A全选所有序列帧


四、渲染导出
选择格式——编码容器改为MPEG-4

注意:渲染和视图选低一些,不然特别慢
注意:把活动物体设为摄像机,不然渲染出来是黑屏
五、视频合成
视频加速:添加——效果片段strips——速度控制——取消stretch to input strip length——利用速度系数和叠加次数加速


常用快捷键
0——摄像机视角
N——右侧属性栏
Alt G/R/S——恢复移动、恢复旋转、恢复缩放比例
.——回到物体
I——K帧(鼠标在偏移系数上)
A——全选
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