@woosh/meep-engine/src/engine/animation/curve/animation_curve_subdivide.d.ts

Pure JavaScript game engine. Fully featured and production ready.

/**
 * Subdivide a curve segment by introducing a new keyframe at a given normalized time.
 * Subdivision does not alter the curve shape in any way, it is intended primarily for editing purposes.
 *
 * @param {Keyframe} out keyframe to be added at the point of subdivision, its tangents, time and value will be overwritten
 * @param {Keyframe} key0 start of the segment
 * @param {Keyframe} key1 end of the segment
 * @param {number} t normalized time in [0..1] between key0 and key1 where new frame is to be inserted
 * @returns {Keyframe} `out`, for convenience
 *
 * @see AnimationCurve
 * @example
 *  const new_frame = animation_curve_subdivide(new Keyframe(), key0, key1, 0.5);
 *  curve.add(new_frame);
 */
export function animation_curve_subdivide(out: Keyframe, key0: Keyframe, key1: Keyframe, t: number): Keyframe;
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