Text Effector rig in After Effects

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Here’s the timestamp of the video:

0:33 Keyframe animation

4:07 Expressions

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Expressions:

// 1. Placing the anchor point to the left-middle point:

var rect = thisLayer.sourceRectAtTime();

[rect.left, rect.top + rect.height / 2];

// 2. Rotation of the text layer:

dx = transform.position[0]-thisComp.layer("Null 1").transform.position[0];

dy = transform.position[1]-thisComp.layer("Null 1").transform.position[1] ;

distance = Math.sqrt(dx*dx+dy*dy);

angle = Math.atan2(dy,dx);

angleInDegree = radiansToDegrees(angle);

angleInDegree;

This is how to get the radians from the x, and y value:

// 3. Getting the X position on the circular path:

var x = transform.xPosition;

var y = transform.yPosition;

var nullX = thisComp.layer("Null 1").transform.position[0];

var nullY = thisComp.layer("Null 1").transform.position[1];

var yDistance = Math.abs(y - nullY);

var newX = x; // Create a new variable for the new x position

if(y < nullY && yDistance < 50){

newX = ease(yDistance, 50, 0, x*1.1, x); // Inversely map yDistance to the new x position

} if (y>nullY && yDistance<50){

newX = ease(yDistance,0,50,x*1.1,x);

}

newX;

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