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17 lines
531 B
TypeScript
17 lines
531 B
TypeScript
import { lerp } from '../lerp';
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describe('Linear interpolation', () => {
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describe('lerp', () => {
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it('should interpolate the min-max range based on a delta', () => {
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expect(lerp(0.5, 0, 100)).toEqual(50);
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expect(lerp(0.75, 0, 100)).toEqual(75);
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});
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it('should clamp the value between min and max', () => {
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expect(lerp(-999, 0, 100)).toEqual(0);
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expect(lerp(0, 0, 100)).toEqual(0);
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expect(lerp(999, 0, 100)).toEqual(100);
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expect(lerp(1, 0, 100)).toEqual(100);
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});
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});
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});
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