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Animate values smoothly using exponential decay instead of linear interpolation.
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| name | smooth-interpolation |
| description | Animate values smoothly using exponential decay instead of linear interpolation. |
Animate values smoothly using exponential decay instead of linear interpolation.
Use exponential smoothing formulas to interpolate between current and target values. This creates a natural easing effect that's frame-rate independent.
(target - current) * (1 - Math.exp(-speed * dt))target + (current - target) * Math.exp(-decay * dt)const addSmoothExp = (current: number, target: number, speed: number, dt: number) =>
(target - current) * (1 - Math.exp(-speed * dt))
const expDecay = (current: number, target: number, decay: number, dt: number) =>
target + (current - target) * Math.exp(-decay * dt)
useFrame((_, delta) => {
mesh.position.x += addSmoothExp(mesh.position.x, targetX, 3, delta)
// or
mesh.position.x = expDecay(mesh.position.x, targetX, 3, delta)
})
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