SPoint.ts 4.3 KB

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  1. /*
  2. * *********************************************************************************************************************
  3. *
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  19. * .:R888888I
  20. * .&888888I Copyright (c) 2016-2020. 博锐尚格科技股份有限公司
  21. * ~8888'
  22. * .!88~ All rights reserved.
  23. *
  24. * *********************************************************************************************************************
  25. */
  26. /**
  27. * 点数据类型定义
  28. *
  29. * @author 庞利祥(sybotan@126.com)
  30. */
  31. import { SMatrix } from "@persagy-web/base";
  32. export class SPoint {
  33. ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  34. // 属性定义
  35. /** X轴坐标 */
  36. x: number;
  37. /** Y轴坐标 */
  38. y: number;
  39. ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  40. // 构造函数
  41. /**
  42. * 构造函数
  43. */
  44. constructor();
  45. /**
  46. * 构造函数
  47. *
  48. * @param p 点
  49. */
  50. constructor(p: SPoint);
  51. /**
  52. * 构造函数
  53. *
  54. * @param x X轴坐标
  55. * @param y Y轴坐标
  56. */
  57. constructor(x: number, y: number);
  58. /**
  59. * 构造函数(重载实现)
  60. *
  61. * @param x X轴坐标 | 点 | undefined
  62. * @param y Y轴坐标
  63. */
  64. constructor(x?: number | SPoint, y?: number) {
  65. if (x == undefined) {
  66. this.x = 0;
  67. this.y = 0;
  68. } else if (x instanceof SPoint) {
  69. this.x = x.x;
  70. this.y = x.y;
  71. } else {
  72. this.x = x as number;
  73. this.y = y as number;
  74. }
  75. } // Function constructor()
  76. /**
  77. * 设置点
  78. * @param pos 点
  79. */
  80. setPoint(pos: SPoint): void;
  81. /**
  82. * 设置点
  83. * @param x X轴坐标
  84. * @param y Y轴坐标
  85. */
  86. setPoint(x: number, y: number): void;
  87. /**
  88. * 设置点(重载实现)
  89. * @param x X轴坐标 | 点
  90. * @param y Y轴坐标
  91. */
  92. setPoint(x: number | SPoint, y?: number): void {
  93. if (x instanceof SPoint) {
  94. this.x = x.x;
  95. this.y = x.y;
  96. } else {
  97. this.x = x as number;
  98. this.y = y as number;
  99. }
  100. } // Function setPoint()
  101. /**
  102. * 布线长度
  103. *
  104. * @return 返回 |X| + |Y|
  105. */
  106. manhattanLength(): number {
  107. // noinspection JSSuspiciousNameCombination
  108. return Math.abs(this.x) + Math.abs(this.y);
  109. } // Function manhattanLength()
  110. /**
  111. * 返回点矩阵变换后的值
  112. *
  113. * @return 变换后的点
  114. * */
  115. matrixTransform(mat: SMatrix): SPoint {
  116. const p = new SPoint();
  117. p.x = this.x * mat.a + this.y * mat.b + mat.e;
  118. p.y = this.x * mat.c + this.y * mat.d + mat.f;
  119. return p;
  120. } // Function matrixTransform()
  121. /**
  122. * 平移点
  123. *
  124. * @param dx X轴位移
  125. * @param dy Y轴位移
  126. */
  127. translate(dx: number, dy: number): void {
  128. this.x += dx;
  129. this.y += dy;
  130. } // Function translate()
  131. } // Class SPoint