SsamOlej.pl

void szescian(void)
{
	glBegin(GL_QUADS);

	glColor3d(1, 0.5, 0);
	glVertex3d(20, 20, 20);
	glVertex3d(-20, 20, 20);
	glVertex3d(-20, -20, 20);
	glVertex3d(20, -20, 20);

	glColor3d(0, 0.5, 1);
	glVertex3d(20, 20, 20);
	glVertex3d(20, -20, 20);
	glVertex3d(20, -20, -20);
	glVertex3d(20, 20, -20);

	glColor3d(1, 0, 0.5);
	glVertex3d(20, 20, 20);
	glVertex3d(20, 20, -20);
	glVertex3d(-20, 20, -20);
	glVertex3d(-20, 20, 20);

	glColor3d(0.5, 0, 1);
	glVertex3d(-20, 20, -20);
	glVertex3d(20, 20, -20);
	glVertex3d(20, -20, -20);
	glVertex3d(-20, -20, -20);

	glColor3d(0, 0.5, 0);
	glVertex3d(-20, 20, 20);
	glVertex3d(-20, 20, -20);
	glVertex3d(-20, -20, -20);
	glVertex3d(-20, -20, 20);

	glColor3d(0.5, 0.5, 0.5);
	glVertex3d(20, -20, 20);
	glVertex3d(-20, -20, 20);
	glVertex3d(-20, -20, -20);
	glVertex3d(20, -20, -20);

	glEnd();
}

void walec(double r, double h)
{
	double PI = 3.14, alpha,x,y;

	glBegin(GL_TRIANGLE_FAN);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, 0, 0);

	for (alpha = 0.0; alpha <= 2 * PI; alpha += PI / 8) {
		x = r*sin(alpha);
		y = r*cos(alpha);
		glVertex3d(x, y, 0);
	}

	glEnd();

	glBegin(GL_QUAD_STRIP);
	glColor3d(1, 0, 0.5);

	for (alpha = 0.0; alpha <= 2 * PI; alpha += PI / 8) {
		x = r*sin(alpha);
		y = r*cos(alpha);
		glVertex3d(x, y, 0);
		glVertex3d(x, y, h);
	}

	glEnd();

	glBegin(GL_TRIANGLE_FAN);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, 0, h);

	for (alpha = 0.0; alpha >= -2 * PI; alpha -= PI / 8) {
		x = r*sin(alpha);
		y = r*cos(alpha);
		glVertex3d(x, y, h);
	}

	glEnd();
}

void ramie(double r1, double r2,  double h, double d)
{
	double PI = 3.14, alpha, x, y;

	glBegin(GL_TRIANGLE_FAN);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, 0, 0);

	for (alpha = PI; alpha <= 2 * PI; alpha += PI / 8) {
		x = r1*sin(alpha);
		y = r1*cos(alpha);
		glVertex3d(x, y, 0);
	}

	glEnd();

	glBegin(GL_QUAD_STRIP);
	glColor3d(1, 0, 0.5);

	for (alpha = PI; alpha <= 2 * PI; alpha += PI / 8) {
		x = r1*sin(alpha);
		y = r1*cos(alpha);
		glVertex3d(x, y, 0);
		glVertex3d(x, y, h);
	}

	glEnd();

	glBegin(GL_TRIANGLE_FAN);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, 0, h);

	for (alpha = 0.0; alpha >= - PI; alpha -= PI / 8) {
		x = r1*sin(alpha);
		y = r1*cos(alpha);
		glVertex3d(x, y, h);
	}

	glEnd();



	glBegin(GL_QUADS);

	glColor3d(1, 0.5, 0);
	glVertex3d(0, r1, h);
	glVertex3d(0, -r1, h);
	glVertex3d(d, -r2, h);
	glVertex3d(d, r2, h);


	glVertex3d(0, -r1, 0);
	glVertex3d(0, r1, 0);
	glVertex3d(d, r2, 0);
	glVertex3d(d, -r2, 0);


	glColor3d(1, 0, 0.5);
	glVertex3d(0, r1, 0);
	glVertex3d(0, r1, h);
	glVertex3d(d, r2, h);
	glVertex3d(d, r2, 0);


	glVertex3d(0, -r1, h);
	glVertex3d(0, -r1, 0);
	glVertex3d(d, -r2, 0);
	glVertex3d(d, -r2, h);
	glEnd();



	glBegin(GL_TRIANGLE_FAN);
	glColor3d(1, 0.5, 0);
	glVertex3d(d, 0, 0);

	for (alpha = 0.0; alpha <= PI; alpha += PI / 8) {
		x = r2*sin(alpha);
		y = r2*cos(alpha);
		glVertex3d(d+x, y, 0);
	}

	glEnd();

	glBegin(GL_QUAD_STRIP);
	glColor3d(1, 0, 0.5);

	for (alpha = 0.0; alpha <= PI; alpha += PI / 8) {
		x = r2*sin(alpha);
		y = r2*cos(alpha);
		glVertex3d(d+x, y, 0);
		glVertex3d(d+x, y, h);
	}

	glEnd();

	glBegin(GL_TRIANGLE_FAN);
	glColor3d(1, 0.5, 0);
	glVertex3d(d, 0, h);

	for (alpha = -PI; alpha >= -2 * PI; alpha -= PI / 8) {
		x = r2*sin(alpha);
		y = r2*cos(alpha);
		glVertex3d(d+x, y, h);
	}

	glEnd();
}

int element = 3;
double R1 = 30, R2 = 20, H = 10, D = 100;



switch (element) {
	case 1:
		szescian();
		break;
	case 2:
		walec(R1, H);
		break;
	case 3:
		ramie(R1, R2, H, D);
	}





	case WM_KEYDOWN:
	{
		if (wParam == VK_UP)
			xRot -= 5.0f;

		if (wParam == VK_DOWN)
			xRot += 5.0f;

		if (wParam == VK_LEFT)
			yRot -= 5.0f;

		if (wParam == VK_RIGHT)
			yRot += 5.0f;

		xRot = (const int)xRot % 360;
		yRot = (const int)yRot % 360;

		InvalidateRect(hWnd, NULL, FALSE);

		if (wParam == 'Y')
			R1 += 1;
		if (wParam == 'H')
			R1 -= 1;
		if (wParam == 'U')
			R2 += 1;
		if (wParam == 'J')
			R2 -= 1;
		if (wParam == 'I')
			H += 1;
		if (wParam == 'K')
			H -= 1;
		if (wParam == 'O')
			D += 1;
		if (wParam == 'L')
			D -= 1;

	}
	break;

	// A menu command
	case WM_COMMAND:
	{
		switch (LOWORD(wParam))
		{
			// Exit the program
		case ID_FILE_EXIT:
			DestroyWindow(hWnd);
			break;
		case ID_ELEMENT_SZESCIAN:
			element = 1;
			break;
		case ID_ELEMENT_WALEC:
			element = 2;
			break;
		case ID_ELEMENT_RAMIE:
			element = 3;
			break;

		}
		RenderScene();
		SwapBuffers(hDC);
	}
	break;