174 lines
7.8 KiB
TypeScript
174 lines
7.8 KiB
TypeScript
import {
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ControlId,
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DEFAULT_LAYOUT,
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MultiTouchRouter,
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applySafeArea,
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classifyDirection,
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hitTest,
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isInsideCircle,
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isInsideRect,
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joystickDirection,
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ZERO_DIRECTION,
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} from '@ui/InputModel';
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describe('InputModel — layout geometry', () => {
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it('default landscape layout places joystick on left, attacks on right', () => {
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expect(DEFAULT_LAYOUT.joystick.cx).toBeLessThan(480);
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expect(DEFAULT_LAYOUT.shuriken.cx).toBeGreaterThan(480);
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expect(DEFAULT_LAYOUT.ninjaSword.cx).toBeGreaterThan(DEFAULT_LAYOUT.shuriken.cx);
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});
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it('isInsideRect is correct for corners and near-misses', () => {
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const r = { cx: 100, cy: 100, w: 40, h: 40 };
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expect(isInsideRect(r, 100, 100)).toBe(true);
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expect(isInsideRect(r, 120, 120)).toBe(true);
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// With HIT_TOLERANCE=15, the effective boundary is ±35 (=halfW/halfH + tolerance).
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// 121 is outside the visual box (120) but within tolerance (135).
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expect(isInsideRect(r, 121, 100)).toBe(true);
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// 79 is below the visual bottom (80) but within tolerance (65).
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expect(isInsideRect(r, 100, 79)).toBe(true);
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// Far outside even the tolerance range.
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expect(isInsideRect(r, 136, 100)).toBe(false);
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expect(isInsideRect(r, 100, 64)).toBe(false);
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});
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it('isInsideCircle matches circular button shape', () => {
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const r = { cx: 765, cy: 100, w: 90, h: 90 }; // shuriken button
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// Centre — always a hit.
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expect(isInsideCircle(r, 765, 100)).toBe(true);
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// On the circle edge (radius = 45).
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expect(isInsideCircle(r, 765 + 45, 100)).toBe(true); // right edge
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expect(isInsideCircle(r, 765, 100 + 45)).toBe(true); // top edge (upper semicircle)
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expect(isInsideCircle(r, 765 - 45, 100)).toBe(true); // left edge
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expect(isInsideCircle(r, 765, 100 - 45)).toBe(true); // bottom edge
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// Within HIT_TOLERANCE (15) outside the circle.
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expect(isInsideCircle(r, 765 + 60, 100)).toBe(true); // right + tolerance
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expect(isInsideCircle(r, 765, 100 + 60)).toBe(true); // top + tolerance (upper arc)
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// Corner of the bounding rect but OUTSIDE the circle — should miss.
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// Distance from centre to (765+45, 100+45) = sqrt(45²+45²) ≈ 63.6 > 45+15=60
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expect(isInsideCircle(r, 765 + 45, 100 + 45)).toBe(false);
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// Well outside.
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expect(isInsideCircle(r, 765 + 70, 100)).toBe(false);
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});
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});
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describe('InputModel — hitTest priority', () => {
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it('routes a finger pressing both an attack and the joystick to the attack', () => {
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// Arrange: stretch the joystick rect so it overlaps the shuriken button.
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const layout = {
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...DEFAULT_LAYOUT,
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joystick: { cx: 120, cy: 100, w: 900, h: 200 },
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};
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const id = hitTest(layout, layout.shuriken.cx, layout.shuriken.cy);
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expect(id).toBe(ControlId.Shuriken);
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});
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it('returns null when the touch misses every control', () => {
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expect(hitTest(DEFAULT_LAYOUT, 480, 400)).toBeNull();
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});
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});
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describe('InputModel — joystick dead zone (req 1.5)', () => {
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it('returns ZERO_DIRECTION inside the 10px dead-zone', () => {
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const dir = joystickDirection(DEFAULT_LAYOUT, DEFAULT_LAYOUT.joystick.cx + 4, DEFAULT_LAYOUT.joystick.cy - 3);
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expect(dir).toBe(ZERO_DIRECTION);
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});
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it('returns a normalised vector with magnitude > deadzone outside it', () => {
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const dir = joystickDirection(
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DEFAULT_LAYOUT,
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DEFAULT_LAYOUT.joystick.cx + 60,
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DEFAULT_LAYOUT.joystick.cy + 0
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);
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expect(dir.magnitude).toBeCloseTo(60);
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expect(dir.x).toBeCloseTo(1);
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expect(dir.y).toBeCloseTo(0);
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});
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});
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describe('InputModel — parabolic angle classification (req 2.5, 20.3)', () => {
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it.each([
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[45, 'parabolic_right'],
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[50, 'parabolic_right'],
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[40, 'parabolic_right'],
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[60, 'parabolic_right'],
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[135, 'parabolic_left'],
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[140, 'parabolic_left'],
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[120, 'parabolic_left'],
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[0, 'horizontal'],
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[180, 'horizontal'],
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[90, 'other'],
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] as Array<[number, string]>)('degree %p → %p', (deg, klass) => {
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const rad = (deg * Math.PI) / 180;
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const dir = { x: Math.cos(rad), y: Math.sin(rad), magnitude: 1 };
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expect(classifyDirection(dir)).toBe(klass);
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});
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it('hits ≥95% recognition rate when sampling evenly around 45° ± 15°', () => {
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let hits = 0;
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const samples = 200;
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for (let i = 0; i < samples; i++) {
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const deg = 30 + (i / samples) * 30; // 30°..60°
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const rad = (deg * Math.PI) / 180;
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const k = classifyDirection({ x: Math.cos(rad), y: Math.sin(rad), magnitude: 1 });
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if (k === 'parabolic_right') hits++;
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}
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expect(hits / samples).toBeGreaterThanOrEqual(0.95);
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});
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});
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describe('InputModel — applySafeArea (req 1.7, 18.6)', () => {
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it('slides left-group rightwards and right-group leftwards by the insets', () => {
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const shifted = applySafeArea(DEFAULT_LAYOUT, { left: 40, right: 60, top: 0, bottom: 0 });
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expect(shifted.joystick.cx).toBe(DEFAULT_LAYOUT.joystick.cx + 40);
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expect(shifted.jump.cx).toBe(DEFAULT_LAYOUT.jump.cx + 40);
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expect(shifted.shuriken.cx).toBe(DEFAULT_LAYOUT.shuriken.cx - 60);
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expect(shifted.ninjaSword.cx).toBe(DEFAULT_LAYOUT.ninjaSword.cx - 60);
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});
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it('keeps every control inside the visible area after shifting', () => {
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const shifted = applySafeArea(DEFAULT_LAYOUT, { left: 20, right: 20, top: 20, bottom: 20 });
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const all = [shifted.joystick, shifted.jump, shifted.shuriken, shifted.ninjaSword];
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for (const r of all) {
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expect(r.cx + r.w / 2).toBeLessThanOrEqual(960);
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expect(r.cx - r.w / 2).toBeGreaterThanOrEqual(0);
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expect(r.cy + r.h / 2).toBeLessThanOrEqual(540);
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expect(r.cy - r.h / 2).toBeGreaterThanOrEqual(0);
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}
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});
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});
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describe('MultiTouchRouter — req 1.8 (≥3 simultaneous touches)', () => {
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it('routes three fingers to joystick + jump + shuriken independently', () => {
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const router = new MultiTouchRouter(DEFAULT_LAYOUT);
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const j = router.begin(0, DEFAULT_LAYOUT.joystick.cx, DEFAULT_LAYOUT.joystick.cy, 0);
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const p = router.begin(1, DEFAULT_LAYOUT.jump.cx, DEFAULT_LAYOUT.jump.cy, 10);
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const s = router.begin(2, DEFAULT_LAYOUT.shuriken.cx, DEFAULT_LAYOUT.shuriken.cy, 20);
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expect(j).toBe(ControlId.Joystick);
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expect(p).toBe(ControlId.Jump);
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expect(s).toBe(ControlId.Shuriken);
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expect(router.activeTouchCount).toBe(3);
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expect(router.isPressed(ControlId.Jump)).toBe(true);
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});
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it('end() returns the previously-bound control and removes the slot', () => {
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const router = new MultiTouchRouter(DEFAULT_LAYOUT);
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router.begin(5, DEFAULT_LAYOUT.ninjaSword.cx, DEFAULT_LAYOUT.ninjaSword.cy, 0);
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expect(router.end(5)).toBe(ControlId.NinjaSword);
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expect(router.isPressed(ControlId.NinjaSword)).toBe(false);
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});
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it('falls through (returns null) when the touch lands outside all controls (req 1.3)', () => {
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const router = new MultiTouchRouter(DEFAULT_LAYOUT);
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expect(router.begin(7, 480, 400, 0)).toBeNull();
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});
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it('earliestPressTs returns the oldest timestamp among the given controls', () => {
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const router = new MultiTouchRouter(DEFAULT_LAYOUT);
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router.begin(0, DEFAULT_LAYOUT.jump.cx, DEFAULT_LAYOUT.jump.cy, 100);
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router.begin(1, DEFAULT_LAYOUT.shuriken.cx, DEFAULT_LAYOUT.shuriken.cy, 80);
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expect(router.earliestPressTs([ControlId.Jump, ControlId.Shuriken])).toBe(80);
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expect(router.earliestPressTs([ControlId.NinjaSword])).toBeUndefined();
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});
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});
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