feat(processReflection): Добавлена функция для изменеия горизонтальной и вертикальной скорости мяча в зависимости от места попадания в ракетку

2026-07-18 15:39:36 +03:00
parent fbdd865da8
commit b0bbb6df96
2 changed files with 299 additions and 0 deletions
@@ -0,0 +1,223 @@
+import { Ball } from '../../entities/ball/ball';
+import { Paddle } from '../../entities/paddle/paddle';
+import { processReflection } from './processReflection';
+
+describe('processReflection', () => {
+  it('Корректно обрабатывает неверное значения аргумента paddle', () => {
+    const ball = new Ball(0, 0, 1, 1, 0);
+    const sectorAmount = 1;
+    const minAngle = 1;
+    const maxAngle = 179;
+    const speed = 1;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(null, ball, sectorAmount, minAngle, maxAngle, speed);
+
+    expect(result).toBeNull();
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+  });
+
+  it('Корректно обрабатывает неверное значения аргумента ball', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const sectorAmount = 1;
+    const minAngle = 1;
+    const maxAngle = 179;
+    const speed = 1;
+
+    const result = processReflection(paddle, null, sectorAmount, minAngle, maxAngle, speed);
+
+    expect(result).toBeNull();
+  });
+
+  it('Корректно обрабатывает неверное значения аргумента paddleSectorAmount', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const ball = new Ball(0, 0, 1, 1, 0);
+    const minAngle = 1;
+    const maxAngle = 179;
+    const speed = 1;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(paddle, ball, null, minAngle, maxAngle, speed);
+
+    expect(result).toBeNull();
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+
+    expect(processReflection(paddle, ball, 0, minAngle, maxAngle, speed)).toBeNull();
+    expect(processReflection(paddle, ball, -1, minAngle, maxAngle, speed)).toBeNull();
+    expect(processReflection(paddle, ball, 1.5, minAngle, maxAngle, speed)).toBeNull();
+  });
+
+  it('Корректно обрабатывает неверное значения аргумента minAngle', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const ball = new Ball(0, 0, 1, 1, 0);
+    const sectorAmount = 1;
+    const maxAngle = 178;
+    const speed = 1;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(paddle, ball, sectorAmount, null, maxAngle, speed);
+
+    expect(result).toBeNull();
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+
+    expect(processReflection(paddle, ball, sectorAmount, -1, maxAngle, speed)).toBeNull();
+    expect(processReflection(paddle, ball, sectorAmount, 360, maxAngle, speed)).toBeNull();
+
+    const minAngleBiggerThanMaxAngle = 179;
+    expect(processReflection(paddle, ball, sectorAmount, minAngleBiggerThanMaxAngle, maxAngle, speed)).toBeNull();
+  });
+
+  it('Корректно обрабатывает неверное значения аргумента maxAngle', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const ball = new Ball(0, 0, 1, 1, 0);
+    const sectorAmount = 1;
+    const minAngle = 1;
+    const speed = 1;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(paddle, ball, sectorAmount, minAngle, null, speed);
+
+    expect(result).toBeNull();
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+
+    expect(processReflection(paddle, ball, sectorAmount, minAngle, -1, speed)).toBeNull();
+    expect(processReflection(paddle, ball, sectorAmount, minAngle, 360, speed)).toBeNull();
+  });
+
+  it('Корректно обрабатывает неверное значения аргумента speed', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const ball = new Ball(0, 0, 1, 1, 0);
+    const sectorAmount = 1;
+    const minAngle = 1;
+    const maxAngle = 179;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, null);
+
+    expect(result).toBeNull();
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+
+    expect(processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, -1)).toBeNull();
+  });
+
+  it('Корректно обрабатывает неверное значения аргумента speed', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const ball = new Ball(0, 0, 1, 1, 0);
+    const sectorAmount = 1;
+    const minAngle = 1;
+    const maxAngle = 179;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, null);
+
+    expect(result).toBeNull();
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+
+    expect(processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, -1)).toBeNull();
+  });
+
+  it('Ничего не изменяет при отсутствии столкновения ракетки и мяча', () => {
+    const paddle = new Paddle(0, 0, 2, 1);
+    const ball = new Ball(10, 10, 1, 1, 0);
+    const sectorAmount = 1;
+    const minAngle = 1;
+    const maxAngle = 179;
+    const speed = 1;
+
+    const ballX = ball.x;
+    const ballY = ball.y;
+    const verticalSpeed = ball.verticalSpeed;
+    const horizontalSpeed = ball.horizontalSpeed;
+
+    const result = processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, speed);
+
+    expect(ball.x).toEqual(ballX);
+    expect(ball.y).toEqual(ballY);
+    expect(ball.verticalSpeed).toEqual(verticalSpeed);
+    expect(ball.horizontalSpeed).toEqual(horizontalSpeed);
+  });
+
+  it('Отражает мяч влево при попадании в левый сектор ракетки', () => {
+    const paddle = new Paddle(0, 100, 90, 10);
+    const ball = new Ball(5, 99, 1, 5, 0); // левый край, летит вниз
+    const sectorAmount = 3;
+    const minAngle = 30;
+    const maxAngle = 150;
+    const speed = 10;
+
+    processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, speed);
+
+    expect(ball.horizontalSpeed).toBeLessThan(0);
+    expect(ball.verticalSpeed).toBeLessThan(0);
+  });
+
+  it('Отражает мяч вправо при попадании в правый сектор ракетки', () => {
+    const paddle = new Paddle(0, 100, 90, 10);
+    const ball = new Ball(85, 99, 1, 5, 0);
+    const sectorAmount = 3;
+    const minAngle = 30;
+    const maxAngle = 150;
+    const speed = 10;
+
+    processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, speed);
+
+    expect(ball.horizontalSpeed).toBeGreaterThan(0);
+    expect(ball.verticalSpeed).toBeLessThan(0);
+  });
+
+  it('Отражает мяч вертикально вверх при попадании в центральный сектор', () => {
+    const paddle = new Paddle(0, 100, 90, 10);
+    const ball = new Ball(45, 99, 1, 5, 0);
+    const sectorAmount = 3;
+    const minAngle = 30;
+    const maxAngle = 150;
+    const speed = 10;
+
+    processReflection(paddle, ball, sectorAmount, minAngle, maxAngle, speed);
+
+    expect(ball.horizontalSpeed).toBeCloseTo(0);
+    expect(ball.verticalSpeed).toBeCloseTo(-speed);
+  });
+});