21/05/01
Claudio Rocchini
19
Dragging 2
•glDrawBuffer( GL_FRONT ); // Modalita’ disegno
•glDepthFunc( GL_ALWAYS );
•glLineStipple( 1, 0xF6F6 );
•
•glMatrixMode( GL_MODELVIEW ); // Vista
•glPushMatrix();
•glLoadIdentity();
•
•glMatrixMode( GL_PROJECTION ); // Proiezione
•glPushMatrix();
•glLoadIdentity();
•glOrtho( 0, vport[2], 0, vport[3], 0, 1 );