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  1. //main.cpp
  2. #include "main.h"
  3.  
  4. void setCamera( void ) {
  5. 	glViewport( 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT );
  6.  
  7. 	glMatrixMode( GL_PROJECTION );
  8. 	glLoadIdentity();
  9. 	gluPerspective( 30.f, ( GLdouble ) WINDOW_WIDTH / ( GLdouble ) WINDOW_HEIGHT, 0.1f, 100.f );
  10.  
  11. 	glMatrixMode( GL_MODELVIEW );
  12. 	glLoadIdentity();
  13. 	gluLookAt( 0.f, 0.f, 20.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f );
  14. }
  15.  
  16. void setLight( void )
  17. {
  18. 	//点光源
  19. 	GLfloat light_position[ 4 ] = { 5.f, 5.f, 5.f, 1.f };
  20. 	GLfloat light_ambient[ 4 ] = { 0.3f, 0.3f, 0.3f, 0.f };
  21. 	GLfloat light_diffuse[ 4 ] = { 1.f, 1.f, 1.f, 1.f };
  22. 	GLfloat light_specular[ 4 ] = { 1.f, 1.f, 1.f, 1.f };
  23. 	glLightfv( GL_LIGHT0, GL_POSITION, light_position );
  24. 	glLightfv( GL_LIGHT0, GL_AMBIENT, light_ambient );
  25. 	glLightfv( GL_LIGHT0, GL_DIFFUSE, light_diffuse );
  26. 	glLightfv( GL_LIGHT0, GL_SPECULAR, light_specular );
  27. }
  28.  
  29. void displaySphere( float radius, float dr, float dg, float db, float sr, float sg, float sb, float shininess )
  30. {
  31. 	float diffuse[ 4 ] = { dr, dg, db, 1.f };
  32. 	float specular[ 4 ] = { sr, sg, sb, 1.f };
  33. 	glMaterialfv( GL_FRONT_AND_BACK, GL_DIFFUSE, diffuse );
  34. 	glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR, specular );
  35. 	glMaterialf( GL_FRONT_AND_BACK, GL_SHININESS, shininess );
  36. 	glutSolidSphere( radius, 100, 100 );
  37. }
  38.  
  39. void displayAxis( float length )
  40. {
  41. 	glBegin( GL_LINES );
  42. 	glColor3f( 1.f, 0.f, 0.f );
  43. 	glVertex3f( 0.f, 0.f, 0.f );
  44. 	glVertex3f( length, 0.f, 0.f );
  45.  
  46. 	glColor3f( 0.f, 1.f, 0.f );
  47. 	glVertex3f( 0.f, 0.f, 0.f );
  48. 	glVertex3f( 0.f, length, 0.f );
  49.  
  50. 	glColor3f( 0.f, 0.f, 1.f );
  51. 	glVertex3f( 0.f, 0.f, 0.f );
  52. 	glVertex3f( 0.f, 0.f, length );
  53. 	glEnd();
  54. }
  55.  
  56. //速度と位置の初期化
  57. void initSphere( void )
  58. {
  59. 	vx[ 0 ] = 1.f;
  60. 	vy[ 0 ] = 1.f;
  61. 	vx[ 1 ] = 0.f;
  62. 	vy[ 1 ] = 0.f;
  63. 	px[ 0 ] = 0.f;
  64. 	py[ 0 ] = 0.f;
  65. 	px[ 1 ] = 3.f;
  66. 	py[ 1 ] = 3.f;
  67. }
  68.  
  69. void keyboardFunction( unsigned char key, int x, int y )
  70. {
  71. 	switch( key ) {
  72. 		case 'q':
  73. 		exit( 0 );
  74. 		break;
  75.  
  76. 		default:
  77. 			break;
  78. 	}
  79. 	glutPostRedisplay();
  80. }
  81.  
  82. void display( void )
  83. {
  84.  
  85. 	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
  86. 	setCamera();
  87. 	setLight();
  88.  
  89. 	displayAxis( 10.f );
  90.  
  91. 	glEnable( GL_LIGHTING );
  92. 	glEnable( GL_LIGHT0 );
  93.  
  94. 	glPushMatrix();
  95. 	glTranslatef( px[ 0 ], py[ 0 ], 0.f );
  96. 	displaySphere( 1.f, 0.f, 0.3f, 1.f, 0.3f, 0.3f, 0.3f, 30.f );
  97. 	glPopMatrix();
  98.  
  99. 	glPushMatrix();
  100. 	glTranslatef( px[ 1 ], py[ 1 ], 0.f );
  101. 	displaySphere( 1.f, 1.f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 30.f );
  102. 	glPopMatrix();
  103.  
  104. 	glDisable( GL_LIGHT0 );
  105. 	glDisable( GL_LIGHTING );
  106.  
  107. 	glutSwapBuffers();
  108. }
  109.  
  110. void update( void )
  111. {
  112. 	for( int i = 0; i < numSpheres; i++ ) {
  113. 		px[ i ] += vx[ i ] * dt;
  114. 		py[ i ] += vy[ i ] * dt;
  115. 	}
  116. 	glutPostRedisplay();
  117. }
  118.  
  119.  
  120. int main( int argc, char** argv )
  121. {
  122. 	glutInit( &argc, argv );
  123. 	glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE );
  124. 	glutInitWindowSize( WINDOW_WIDTH, WINDOW_HEIGHT );
  125. 	glutCreateWindow( "OpenGL Based Renderer" );
  126. 	glClearColor( 0.f, 0.f, 0.f, 0.f );
  127. 	glEnable( GL_DEPTH_TEST );
  128. 	glDepthFunc( GL_LESS );
  129.  
  130. 	initSphere();
  131. 	glutDisplayFunc( display );
  132. 	glutKeyboardFunc( keyboardFunction );
  133. 	glutIdleFunc( update );
  134. 	glutMainLoop();
  135.  
  136. 	return 0;
  137.  
  138. }
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
prog.cpp:2:18: fatal error: main.h: No such file or directory
 #include "main.h"
                  ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/yfsHwB
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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