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Apr 25th, 2019
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  1. import java.awt.*;
  2.  
  3. /*
  4. Aufgabe 3) Schleifen und Verzweigungen - Optische Täuschungen
  5. */
  6. public class Aufgabe3 {
  7.  
  8. public static void main(String[] args) {
  9. //TODO: Implementieren Sie hier Ihre Lösung für die Angabe
  10.  
  11. StdDraw.setCanvasSize(300,600);
  12. StdDraw.setXscale(0,300);
  13. StdDraw.setYscale(0,600);
  14. StdDraw.setPenRadius(0.002);
  15. StdDraw.setPenColor(Color.black);
  16.  
  17. int choice = 2;
  18.  
  19. if (choice == 1){
  20. int y0 = 0;
  21. int y1 = 600;
  22. for (int i = 0; i < 21; i++) {
  23. StdDraw.line(0, y0, 300, y1);
  24. y0 += 30;
  25. y1 -= 30;
  26. }
  27.  
  28. int xa = 30;
  29. int xb = 270;
  30. for (int i = 0; i < 3; i++) {
  31. StdDraw.line(xa, 600, xb, 0);
  32. StdDraw.line(xb, 600, xa, 0);
  33. xa += 30;
  34. xb -= 30;
  35. }
  36.  
  37. StdDraw.setPenColor(Color.red);
  38. StdDraw.setPenRadius(0.01);
  39. StdDraw.line(120,600,120,0);
  40. StdDraw.line(180,600,180,0);
  41.  
  42.  
  43. }
  44.  
  45. else{
  46. int ya = 0;
  47. for (int i = 0; i < 21; i++) {
  48. StdDraw.line(0, 300, 150, ya);
  49. StdDraw.line(300, 300, 150 , ya);
  50. ya += 30;
  51. }
  52.  
  53. int xa = 60;
  54. int xb = 240;
  55. for (int i = 0; i < 3; i++) {
  56. StdDraw.line(0, 300, xa, 600);
  57. StdDraw.line(0, 300, xa, 0);
  58. xa += 30;
  59. StdDraw.line(300, 300, xb, 600);
  60. StdDraw.line(300, 300, xb, 0);
  61. xb -= 30;
  62.  
  63. }
  64.  
  65. StdDraw.setPenColor(Color.cyan);
  66. StdDraw.setPenRadius(0.01);
  67. StdDraw.line(120,600,120,0);
  68. StdDraw.line(180,600,180,0);
  69. }
  70.  
  71. }
  72. }
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