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Diffstat (limited to 'test/CubeView.cxx')
| -rw-r--r-- | test/CubeView.cxx | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/test/CubeView.cxx b/test/CubeView.cxx new file mode 100644 index 000000000..a8a846d70 --- /dev/null +++ b/test/CubeView.cxx @@ -0,0 +1,94 @@ +// +// "$Id: CubeView.cxx,v 1.1 1999/02/22 21:33:54 mike Exp $" +// +// CubeView class implementation for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-1999 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems to "fltk-bugs@easysw.com". +// + +#include "CubeView.h" +#include <math.h> + + +CubeView::CubeView(int x,int y,int w,int h,const char *l) + : Fl_Gl_Window(x,y,w,h,l) +{ + vAng = 0.0; + hAng=0.0; + size=10.0; + + /* The cube definition. These are the vertices of a unit cube + * centered on the origin.*/ + + boxv0[0] = -0.5; boxv0[1] = -0.5; boxv0[2] = -0.5; + boxv1[0] = 0.5; boxv1[1] = -0.5; boxv1[2] = -0.5; + boxv2[0] = 0.5; boxv2[1] = 0.5; boxv2[2] = -0.5; + boxv3[0] = -0.5; boxv3[1] = 0.5; boxv3[2] = -0.5; + boxv4[0] = -0.5; boxv4[1] = -0.5; boxv4[2] = 0.5; + boxv5[0] = 0.5; boxv5[1] = -0.5; boxv5[2] = 0.5; + boxv6[0] = 0.5; boxv6[1] = 0.5; boxv6[2] = 0.5; + boxv7[0] = -0.5; boxv7[1] = 0.5; boxv7[2] = 0.5; +}; + +// The color used for the edges of the bounding cube. +#define CUBECOLOR 255,255,255,255 + +void CubeView::drawCube() { +/* Draw a colored cube */ + glBegin(GL_LINE_LOOP); glColor4ub(CUBECOLOR); v3f(boxv0); v3f(boxv1); v3f(boxv2); v3f(boxv3); glEnd(); + glBegin(GL_LINE_LOOP); glColor4ub(CUBECOLOR); v3f(boxv5); v3f(boxv4); v3f(boxv7); v3f(boxv6); glEnd(); + glBegin(GL_LINE_LOOP); glColor4ub(CUBECOLOR); v3f(boxv0); v3f(boxv4); v3f(boxv5); v3f(boxv1); glEnd(); + glBegin(GL_LINE_LOOP); glColor4ub(CUBECOLOR); v3f(boxv2); v3f(boxv6); v3f(boxv7); v3f(boxv3); glEnd(); + glBegin(GL_LINE_LOOP); glColor4ub(CUBECOLOR); v3f(boxv0); v3f(boxv3); v3f(boxv7); v3f(boxv4); glEnd(); + glBegin(GL_LINE_LOOP); glColor4ub(CUBECOLOR); v3f(boxv1); v3f(boxv5); v3f(boxv6); v3f(boxv2); glEnd(); +#define ALPHA 128 + glBegin(GL_QUADS); glColor4ub( 0, 0, 255, ALPHA); v3f(boxv0); v3f(boxv1); v3f(boxv2); v3f(boxv3); glEnd(); + glBegin(GL_QUADS); glColor4ub(255, 255, 0, ALPHA); v3f(boxv0); v3f(boxv4); v3f(boxv5); v3f(boxv1); glEnd(); + glBegin(GL_QUADS); glColor4ub( 0, 255, 255, ALPHA); v3f(boxv2); v3f(boxv6); v3f(boxv7); v3f(boxv3); glEnd(); + glBegin(GL_QUADS); glColor4ub(255, 0, 0, ALPHA); v3f(boxv4); v3f(boxv5); v3f(boxv6); v3f(boxv7); glEnd(); + glBegin(GL_QUADS); glColor4ub(255, 0, 255, ALPHA); v3f(boxv0); v3f(boxv3); v3f(boxv7); v3f(boxv4); glEnd(); + glBegin(GL_QUADS); glColor4ub( 0, 255, 0, ALPHA); v3f(boxv1); v3f(boxv5); v3f(boxv6); v3f(boxv2); glEnd(); +};//drawCube + +void CubeView::draw() { + if (!valid()) { + glLoadIdentity(); + glViewport(0,0,w(),h()); + glOrtho(-10,10,-10,10,-20000,10000); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); + + glTranslatef(xshift, yshift, 0); + glRotatef(hAng,0,1,0); glRotatef(vAng,1,0,0); + glScalef(float(size),float(size),float(size)); + + drawCube(); + + glPopMatrix(); +}; + +// +// End of "$Id: CubeView.cxx,v 1.1 1999/02/22 21:33:54 mike Exp $". +// |