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genjik
06-09-2002, 04:54 AM
i want to make an 3d axis to draw an cylinder which can move it s for my final exam
anyone can help me

jmathies
06-09-2002, 05:48 AM
Originally posted by genjik:
i want to make an 3d axis to draw an cylinder which can move it s for my final exam
anyone can help me


One 3D axis coming up:

static void util_drawAxis( int length )
{
float width;
glGetFloatv( GL_LINE_WIDTH, &width );

glPushAttrib( GL_ENABLE_BIT );

glEnable( GL_LINE_SMOOTH );

glPushMatrix();

glLineWidth( 1 );

/* x axis */
glColor4f( 0, 0, 1, 1 );
glBegin( GL_LINES );
glVertex3f( -10, 0, 0 );
glVertex3f( (float)length, 0, 0 );
glEnd();

/* y axis */
glColor4f( 1, 0, 0, 1 );
glBegin( GL_LINES );
glVertex3f( 0, -10, 0 );
glVertex3f( 0, (float)length, 0 );
glEnd();

/* z axis */
glColor4f( 1, 1, 0, 1 );
glBegin( GL_LINES );
glVertex3f( 0, 0, -10 );
glVertex3f( 0, 0, (float)length );
glEnd();

glLineWidth( width );

glPopMatrix();
glPopAttrib();

}