Automatic Proximity Reactions in After Effects
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Tutorial Expressions:
INFLUENCE POSITION
nullPos = thisComp.layer("NULL").transform.position;
objPos = transform.position;
maxDist = thisComp.layer("CONTROLLER").effect("Max Distance")("Slider");
strength = thisComp.layer("CONTROLLER").effect("Strength")("Slider");
dist = length(nullPos, objPos);
dir = normalize(objPos - nullPos);
moveAmount = strength * (1 - clamp(dist / maxDist, 0, 1));
newPos = objPos + dir * moveAmount;
newPos;
INFLUENCE TIME REMAP
nullLayer = thisComp.layer("NULL");
distance = length(nullLayer.position, transform.position);
maxDist = thisComp.layer("CONTROLLER").effect("Max Distance Time")("Slider");
strengthDist = thisComp.layer("CONTROLLER").effect("Strength Time")("Slider");
effectiveDist = clamp(strengthDist, 0, maxDist);
timeStart = 0;
timeEnd = 5;
clampedDistance = clamp(distance, effectiveDist, maxDist);
remapTime = linear(clampedDistance, maxDist, effectiveDist, timeStart, timeEnd);
remapTime;
EFFECTS ANGLE
nullPos = thisComp.layer("NULL").transform.position;
objPos = thisLayer.transform.position;
angle = -radiansToDegrees(Math.atan2(objPos[1] - nullPos[1], objPos[0] - nullPos[0])) + 180;
EFFECTS OPACITY:
nullPos = thisComp.layer("NULL").transform.position;
objPos = thisLayer.transform.position;
maxDist = thisComp.layer("CONTROLLER").effect("Max Distance")("Slider");
dist = length(nullPos - objPos);
opacity = 100 * (2 - 2 * clamp(dist / maxDist, 0, 1));
00:00 Intro
00:38 Influence Position
02:40 Motion Array
03:50 Influence Offset
05:26 Influence Time
07:10 Influence Offset
08:38 Influence Effects
11:30 Outro
Watch video Automatic Proximity Reactions in After Effects online without registration, duration hours minute second in high quality. This video was added by user olly 29 October 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 81,597 once and liked it 8.2 thousand people.