Cara Membuat Bangun Datar Persegi Pelangi Dengan 7 Warna Pada Dev C++ OpenGL

Berikut ini saya akan memberikan tutorial membuat bangun datar Persegi Pelangi dengan 7 warna pada Dev C++ OpenGL.
Jika ingin melihat tutorialnya buka saja di Membuat Objek Titik pada Dev C++ OpenGL

• Berikut Script Untuk Membuat Bangun Datar Persegi Pelangi :

1. #include<GL/glut.h>
2. void persegi();
3. main(int argc, char** argv)
4. {    
5. glutInit(&argc,argv);    
6. glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
7. glutInitWindowSize(640,640);    
8. glutInitWindowPosition(100,100);    
9. glutCreateWindow("Membuat Persegi Pelangi(RIAN UMRI");    
10. glClearColor(0.0,0.0,0.0,0.0);    
11. glMatrixMode(GL_PROJECTION);    
12. glOrtho(1.0,1.0,1.0,1.0,-1.0,1.0);    
13. glutDisplayFunc(persegi);    
14. glutMainLoop();
15. }
16. void persegi()
17. {    
18. glClear(GL_COLOR_BUFFER_BIT);    
20. glBegin(GL_POLYGON);
21. glPointSize(50.0f);    
22. glColor3f(1.0, 0.0 ,0.0);    
23. glVertex2f(-0.8f,-0.8f);
24. glVertex2f(-0.8f,0.8f);    
25. glVertex2f(0.8f,0.8f);
26. glVertex2f(0.8f,-0.8f);    
27. glVertex2f(-0.8f,-0.8f);    
28. glEnd();
30. glBegin(GL_POLYGON);    
31. glPointSize(50.0f);
32. glColor3f(1.0, 0.5, 0.0);    
33. glVertex2f(-0.7f,-0.7f);
34. glVertex2f(-0.7f,0.7f);
35. glVertex2f(0.7f,0.7f);
36. glVertex2f(0.7f,-0.7f);
37. glVertex2f(-0.7f,-0.7f);
38. glEnd();
40. glBegin(GL_POLYGON);
41. glPointSize(50.0f);    
42. glColor3f(1.0, 1.0, 0.0);    
43. glVertex2f(-0.6f,-0.6f);
44. glVertex2f(-0.6f,0.6f);    
45. glVertex2f(0.6f,0.6f);
46. glVertex2f(0.6f,-0.6f);    
47. glVertex2f(-0.6f,-0.6f);    
48. glEnd();  
50. glBegin(GL_POLYGON);
51. glPointSize(50.0f);    
52. glColor3f(0.0, 1.0, 0.0);    
53. glVertex2f(-0.5f,-0.5f);
54. glVertex2f(-0.5f,0.5f);    
55. glVertex2f(0.5f,0.5f);
56. glVertex2f(0.5f,-0.5f);    
57. glVertex2f(-0.5f,-0.5f);    
58. glEnd();
60. glBegin(GL_POLYGON);
61. glPointSize(50.0f);    
62. glColor3f(0.0, 1.0, 1.0);    
63. glVertex2f(-0.4f,-0.4f);
64. glVertex2f(-0.4f,0.4f);    
65. glVertex2f(0.4f,0.4f);
66. glVertex2f(0.4f,-0.4f);    
67. glVertex2f(-0.4f,-0.4f);    
68. glEnd();  
70. glBegin(GL_POLYGON);
71. glPointSize(50.0f);    
72. glColor3f(0.0, 0.0, 1.0);    
73. glVertex2f(-0.3f,-0.3f);
74. glVertex2f(-0.3f,0.3f);    
75. glVertex2f(0.3f,0.3f);
76. glVertex2f(0.3f,-0.3f);    
77. glVertex2f(-0.3f,-0.3f);    
78. glEnd();
80. glBegin(GL_POLYGON);
81. glPointSize(50.0f);    
82. glColor3f(0.53, 0.12, 0.47);    
83. glVertex2f(-0.2f,-0.2f);
84. glVertex2f(-0.2f,0.2f);    
85. glVertex2f(0.2f,0.2f);
86. glVertex2f(0.2f,-0.2f);    
87. glVertex2f(-0.2f,-0.2f);    
88. glEnd();                                  
89.                                
90. glFlush();
91. }

• Apabila sudah diketikkan maka hasilnya akan menjadi seperti ini :

• Lalu jalankan script dengan cara Execute > Compile & Run dan hasilnya akan menjadi seperti ini :

Terimakasih...SELAMAT MENCOBA :)

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