26 wiersze
842 B
TypeScript
26 wiersze
842 B
TypeScript
import { normalToAttachmentSpaceDegrees } from "./attach";
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describe("normalToAttachmentSpaceDegrees()", () => {
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it("Treats 'up' in canvas space as 0 degrees", () => {
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expect(normalToAttachmentSpaceDegrees({ x: 0, y: -1 })).toBe(0);
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});
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it("Treats 'right' in canvas space as 90 degrees", () => {
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expect(normalToAttachmentSpaceDegrees({ x: 1, y: 0 })).toBe(90);
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});
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it("Treats 'left' in canvas space as 270 degrees", () => {
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expect(normalToAttachmentSpaceDegrees({ x: -1, y: 0 })).toBe(270);
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});
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it("Treats 'almost left' in canvas space as ~270 degrees", () => {
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expect(
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normalToAttachmentSpaceDegrees({ x: -0.9999, y: 0.004 })
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).toBeCloseTo(269.189);
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});
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it("Treats 'down' in canvas space as 180 degrees", () => {
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expect(normalToAttachmentSpaceDegrees({ x: 0, y: 1 })).toBe(180);
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});
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});
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