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authordos-reis <gdr@axiomatics.org>2008-03-09 03:47:21 +0000
committerdos-reis <gdr@axiomatics.org>2008-03-09 03:47:21 +0000
commit6e07ce8f0c6c77b61cfa2f8be54781160018ff91 (patch)
tree91e5069719c924bd58242e932bd585d3e676112b /src/graph/view3D/pot3d.c
parent3f7d906f8cd6edd2597a49f629bd31914de8ca08 (diff)
downloadopen-axiom-6e07ce8f0c6c77b61cfa2f8be54781160018ff91.tar.gz
* graph/: Depamphletize.
* include/addfile.h: Move from hyper. * include/addfile.H1: Move external declarations into addfile.h. Remove.
Diffstat (limited to 'src/graph/view3D/pot3d.c')
-rw-r--r--src/graph/view3D/pot3d.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/src/graph/view3D/pot3d.c b/src/graph/view3D/pot3d.c
new file mode 100644
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+++ b/src/graph/view3D/pot3d.c
@@ -0,0 +1,97 @@
+/*
+ Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+ All rights reserved.
+ Copyright (C) 2007-2008, Gabriel Dos Reis.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ - Neither the name of The Numerical ALgorithms Group Ltd. nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#define _POT3D_C
+#include "axiom-c-macros.h"
+
+#include "header.h"
+#include "all_3d.H1"
+
+/****************************/
+/*** void getPotValue() ***/
+/****************************/
+
+mouseCoord
+#ifdef _NO_PROTO
+getPotValue(eX,eY,xH,yH)
+ short eX,eY,xH,yH;
+#else
+getPotValue(short eX,short eY,short xH,short yH)
+#endif
+{
+
+ mouseCoord whereMouse;
+ float x,y;
+
+ x = (float)eX/xH - 1;
+ y = -((float)eY/yH -1);
+
+ /* make non-linear potentiometer */
+ whereMouse.x = x*x*x;
+ whereMouse.y = y*y*y;
+ if (whereMouse.x > 1.0) whereMouse.x = 1.0;
+ if (whereMouse.y > 1.0) whereMouse.y = 1.0;
+ if (whereMouse.x < -1.0) whereMouse.x = -1.0;
+ if (whereMouse.y < -1.0) whereMouse.y = -1.0;
+
+ return(whereMouse);
+
+} /* getPotValue() */
+
+
+
+/**********************************/
+/*** void getLinearPotValue() ***/
+/**********************************/
+
+mouseCoord
+#ifdef _NO_PROTO
+getLinearPotValue(eX,eY,xH,yH)
+ short eX,eY,xH,yH;
+#else
+getLinearPotValue(short eX,short eY,short xH,short yH)
+#endif
+{
+
+ mouseCoord whereMouse;
+
+ whereMouse.x = (float)eX/xH - 1;
+ whereMouse.y = -((float)eY/yH -1);
+
+ return(whereMouse);
+
+} /* getLinearPotValue() */
+
+