30 lines
728 B
JavaScript
30 lines
728 B
JavaScript
OV.BezierTweenFunction = function (distance, index, count)
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{
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let t = index / count;
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return distance * (t * t * (3.0 - 2.0 * t));
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};
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OV.LinearTweenFunction = function (distance, index, count)
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{
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return index * distance / count;
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};
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OV.ParabolicTweenFunction = function (distance, index, count)
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{
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let t = index / count;
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let t2 = t * t;
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return distance * (t2 / (2.0 * (t2 - t) + 1.0));
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};
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OV.TweenCoord3D = function (a, b, count, tweenFunc)
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{
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let dir = OV.SubCoord3D (b, a).Normalize ();
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let distance = OV.CoordDistance3D (a, b);
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let result = [];
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for (let i = 0; i < count; i++) {
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let step = tweenFunc (distance, i, count - 1);
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result.push (a.Clone ().Offset (dir, step));
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}
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return result;
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};
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