{"id":297,"date":"2021-01-25T19:45:28","date_gmt":"2021-01-25T11:45:28","guid":{"rendered":"http:\/\/apps.badjoerichards.com\/apps\/videohack\/?p=297"},"modified":"2021-01-25T19:51:25","modified_gmt":"2021-01-25T11:51:25","slug":"how-to-set-the-ending-or-starting-keyframe-value-in-an-expression-control-in-after-effects","status":"publish","type":"post","link":"https:\/\/apps.badjoerichards.com\/apps\/videohack\/how-to-set-the-ending-or-starting-keyframe-value-in-an-expression-control-in-after-effects\/","title":{"rendered":"How to set the ending or starting keyframe value in an Expression Control in After Effects?"},"content":{"rendered":"

To set ending keyframe value:<\/p>\n

[code]<\/p>\n

if (numKeys > 1){
\nnewV2 = comp(“DECAY”).layer(“Grass Controls”).effect(“Wind Speed”)(“Angle”);
\nv1 = valueAtTime(key(1).time);
\nv2 = valueAtTime(key(2).time);
\nlinear(value,v1,v2,v1,newV2);
\n}else{
\nvalue
\n}<\/p>\n

[\/code]<\/p>\n

 <\/p>\n

To set starting keyframe value:<\/p>\n

[code]<\/p>\n

if (numKeys > 1){
\nnewV2 = comp(“DECAY”).layer(“Grass Controls”).effect(“Wind Speed”)(“Angle”);
\nv1 = valueAtTime(key(1).time);
\nv2 = valueAtTime(key(2).time);
\nlinear(value,v2,v1,newV2,v1);
\n}else{
\nvalue
\n}<\/p>\n

[\/code]<\/p>\n

 <\/p>\n

Reference:<\/p>\n

Expression to Control a Single Keyframe’s value<\/a><\/p><\/blockquote>\n