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[lsystem3d.git] / lsystem3d / src / model.h

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+// Copyright (C) 2006 Erik Dahlberg
+// 
+// This file is part of LSystem3d.
+// 
+// LSystem3D is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+// 
+// LSystem3D 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 General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with LSystem3D; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+
+
+#ifndef MODEL_H
+#define MODEL_H
+
+#include <GL/gl.h>
+
+
+
+/**
+ * The generated l-system model
+ * TODO: inheritance, i.e. Model<-OpenGLModel/WireModel/...?
+ */
+class Model
+{
+public:
+    /**
+     * Constructor
+     */
+    Model();
+
+    /**
+     * Destructor
+     */
+    ~Model();
+    
+    /**
+     * Connect two points
+     * @param diameter diameter of segment
+     * @param x1 x start point
+     * @param y1 y start point
+     * @param z1 z start point
+     * @param x2 x end point
+     * @param y2 y end point
+     * @param z2 z end point
+     */
+    void segment(double diameter, double x1, double y1, double z1, double x2, double y2, double z2);
+    
+    /**
+     * Draw model to screen
+     */
+    void draw();
+    
+    /**
+     * Clear the model
+     */
+    void clear();
+    
+    /**
+     * Start recording of drawing operations
+     */
+    void begin();
+    
+    /**
+     * Stop recording of drawing operations
+     */
+    void end();
+    
+    /**
+     * Begin creation of a filled surface
+     */
+    void fillBegin();
+    
+    /**
+     * End creation of a filled surface
+     */
+    void fillEnd();
+    
+    /**
+     * Create one vertex in the filled surface
+     * @param x x-coordinate
+     * @param y y-coordinate
+     * @param z z-coordinate
+     */
+    void point(double x, double y, double z);
+    
+protected:
+    
+    GLuint _displayList;    // all drawing operations
+};
+
+
+
+#endif