-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#include <cmath>
-#include <GL/gl.h>
+#include "matrix.h"
#include "projection.h"
namespace Msp {
namespace GL {
-void ortho(double left, double right, double bottom, double top, double near, double far)
+extern MatrixStack *active_stack;
+
+void ortho(double left, double right, double bottom, double top, double nearr, double farr)
{
- glOrtho(left, right, bottom, top, near, far);
+ *active_stack *= Matrix::ortho(left, right, bottom, top, nearr, farr);
}
void ortho_centered(double width, double height)
ortho(0, width, height, 0, 0, 1);
}
-void frustum(double left, double right, double bottom, double top, double near, double far)
+void frustum(double left, double right, double bottom, double top, double nearr, double farr)
{
- glFrustum(left, right, bottom, top, near, far);
+ *active_stack *= Matrix::frustum(left, right, bottom, top, nearr, farr);
}
-void frustum_centered(double width, double height, double near, double far)
+void frustum_centered(double width, double height, double nearr, double farr)
{
- glFrustum(-width/2, width/2, -height/2, height/2, near, far);
+ frustum(-width/2, width/2, -height/2, height/2, nearr, farr);
}
-void perspective(double fov_y, double aspect, double near, double far)
+void perspective(double fov_y, double aspect, double nearr, double farr)
{
- double hh=tan(fov_y*M_PI/360)*near;
- frustum(-hh*aspect, hh*aspect, -hh, hh, near, far);
+ double hh = tan(fov_y*M_PI/360)*nearr;
+ frustum(-hh*aspect, hh*aspect, -hh, hh, nearr, farr);
}
} // namespace GL