Computer-Grahics-Lab/Lab 4 Rotation Task at main · krishnodey/Computer-Grahics-Lab · GitHub

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#include <GL/glut.h>
#include <stdlib.h>
#include <stdlib.h>
#include <math.h>

static GLfloat spin = 0.0;
static float	tx	=  0.0;
static float	ty	=  0.0;

void display(void)
{
    glClear(GL_COLOR_BUFFER_BIT);

	glPushMatrix();

	glRotatef(spin, 0.0, 0.0, 1.0);
	glColor3f(1.0, 1.0, 1.0);


	glTranslatef(tx,ty,0);
    //right
    glColor3f(.80, .90, 90);
    glRectf(25.0, 10.0, 50.0, -10.0);
    //left
    glColor3f(.80, .90, .90);
    glRectf(-25.0, 10.0, -50.0, -10.0);

    //right square
    glColor3f(.10, .90, 0);
    glRectf(50.0, 20.0, 90.0, -20.0);

    //left square
    glColor3f(.10, .90, 0);
    glRectf(-50.0, 20.0, -90.0, -20.0);


	glPopMatrix();
    //top box
	glColor3f(1.0, 1.0, .0);
    glRectf(-25.0, -25.0, 25.0, 25.0);
    //stand
    glColor3f(.40, .90, .50);
    glRectf(-11.0, -25.0, 11.0, -80.0);

    //bottom
    glColor3f(.10, .70, 1.0);
    glRectf(-19.0, -105.0, 19.0, -80.0);


	glFlush();
}

void spinDisplay_left(void)
{
   spin = spin + 1;
   if (spin > 360.0)
      spin = spin - 360.0;
   glutPostRedisplay();
}

void spinDisplay_right(void)
{
   spin = spin - 1;
   if (spin > 360.0)
      spin = spin - 360.0;
   glutPostRedisplay();
}


void init(void)
{
	glClearColor (.60, 0.20, 0.0, 0.0);
	glOrtho(-100.0, 100.0, -110.0, 110.0, -1.0, 1.0);
}


void my_keyboard(unsigned char key, int x, int y)
{

	switch (key) {

		case 'l':
			spinDisplay_left();
			break;

		case 'r':
			spinDisplay_right();
			break;


		case 's':
			 glutIdleFunc(NULL);
			 break;

	  default:
			break;
	}
}

void spe_key(int key, int x, int y)
{

	switch (key) {

		case GLUT_KEY_LEFT:
				tx -=5;
				glutPostRedisplay();
				break;

			//spinDisplay_left();
			//break;

		case GLUT_KEY_RIGHT:
				tx +=5;
				glutPostRedisplay();
				break;

			//spinDisplay_right();
			//break;

		/*case GLUT_KEY_DOWN:
				ty -=5;
				glutPostRedisplay();
				break;

			//spinDisplay_left();
			//break;

		case GLUT_KEY_UP:
				ty +=5;
				glutPostRedisplay();
				break;*/

	  default:
			break;
	}
}


void my_mouse(int button, int state, int x, int y)
{
   switch (button) {
      case GLUT_LEFT_BUTTON:
         if (state == GLUT_DOWN)
            glutIdleFunc(spinDisplay_left);
         break;
      case GLUT_MIDDLE_BUTTON:
      case GLUT_RIGHT_BUTTON:
         if (state == GLUT_DOWN)
			glutIdleFunc(spinDisplay_right);
          break;
      default:
         break;
   }
}


int main()
{
	glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
	glutInitWindowSize (600, 600);
	glutInitWindowPosition (100, 100);
	glutCreateWindow ("Spinnig: **Nagordola**");
	init();
    glutDisplayFunc(display);
	glutKeyboardFunc(my_keyboard);
	glutSpecialFunc(spe_key);
	glutMouseFunc(my_mouse);
	glutMainLoop();
	return 0;
}