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13 lines
468 B
TypeScript
13 lines
468 B
TypeScript
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// Simple linear interpolation.
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// Returns a value between min and max based on a delta.
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// The delta is a number between 0 and 1.
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// If the delta is not within the 0-1 range, this function will
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// clamp the value between min and max, depending on whether
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// the delta >= 1 or <= 0.
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export function lerp(delta: number, from: number, to: number): number {
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if (delta >= 1) { return to; }
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else if (delta <= 0) { return from; }
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return from + (to - from) * delta;
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}
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