Function damp

packages/melonjs/src/math/math.ts:237–244

(
	current: number,
	target: number,
	lambda: number,
	dt: number,
)

 * cameraX = math.damp(cameraX, target.x, 5, dt / 1000);
 */
export function damp(
	current: number,
	target: number,
	lambda: number,
	dt: number,
): number {
	return current + (target - current) * (1 - Math.exp(-lambda * dt));
}

/**
 * Linearly interpolate a value from an array at the given position.