144 lines
4.2 KiB
C++
144 lines
4.2 KiB
C++
/****************************************************************************
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*
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* Open Watcom Project
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*
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* ========================================================================
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*
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* This file contains Original Code and/or Modifications of Original
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* Code as defined in and that are subject to the Sybase Open Watcom
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* Public License version 1.0 (the 'License'). You may not use this file
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* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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* provided with the Original Code and Modifications, and is also
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* available at www.sybase.com/developer/opensource.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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* NON-INFRINGEMENT. Please see the License for the specific language
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* governing rights and limitations under the License.
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*
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* ========================================================================
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*
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* Description: Low level classes for 3D objects.
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*
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****************************************************************************/
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// For our purposes, view the world down the Z axis
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//
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// Y
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// |
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// |
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// |
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// *------X
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// /
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// /
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//Z
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//
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// So other words used for clarity are 'across', 'height' and 'depth'
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extern "C" void draw_box( float x1, float x2, float y1, float y2,
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float z1, float z2,
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unsigned red, unsigned green, unsigned blue );
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class point {
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private:
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static float world_scale;
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static float vertical_shift;
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protected:
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float x;
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float y;
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float z;
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public:
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enum orientation {
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FRONT = 0, RIGHT, BACK, LEFT }; // anticlockwise
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point( float x0, float y0, float z0 );
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point( point& src );
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// Define the world
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static void world_size( float wide, float deep, float high );
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// Shifts
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void moveto( float x0, float y0, float z0 );
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void moveto( point& origin );
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void shift( float x0, float y0, float z0 );
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void shift( point& vector );
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void move_left( float amount );
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void move_right( float amount );
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void move_up( float amount );
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void move_down( float amount );
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void move_forward( float amount );
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void move_back( float amount );
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// Rotates -- only about Y axis, only by 90 degree increments
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void rotate( orientation );
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friend class box;
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};
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class color {
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protected:
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unsigned char r, g, b;
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public:
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color(unsigned char red,unsigned char green,unsigned char blue);
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color(const color& src);
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color();
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void rgb(unsigned char r, unsigned char g, unsigned char b);
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void rgb(color& src);
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void rgb(color* src);
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void red( unsigned char intensity = 255 );
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void green( unsigned char intensity = 255 );
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void blue( unsigned char intensity = 255 );
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};
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class box : public point, public color {
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private:
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point size_vector;
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orientation facing;
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box * children;
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box * sibling;
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public:
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box( float across, float depth, float height );
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~box();
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void draw( point& origin, orientation face);
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void add(box* child);
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// Dimensions
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float width();
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float height();
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float depth();
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// Change rgb of entire piece
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void change_color( color newclr );
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// Change orientation
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void orient( orientation rotation );
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void orient( box * other );
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// Assign relative position
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void left( float x0 );
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void right( float x0 );
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void front( float z0 );
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void back( float z0 );
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void top( float y0 );
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void bottom( float y0 );
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void position_to_right_of( box& to_left );
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// Position -- notice names are overloaded
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float left();
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float right();
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float top();
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float bottom();
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float front();
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float back();
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float mid_width();
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float mid_height();
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float mid_depth();
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};
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