preliminary physics, sound, hud

[chaz/yoink] / src / Moof / Rectangle.hh

diff --git a/src/Moof/Rectangle.hh b/src/Moof/Rectangle.hh
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+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ 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.
+ 
+ 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 HOLDER 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.
+
+*******************************************************************************/
+
+#ifndef _MOOF_RECTANGLE_HH_
+#define _MOOF_RECTANGLE_HH_
+
+#include <Moof/Math.hh>
+
+
+namespace Mf {
+
+
+/**
+ * Axis-aligned Bounding Box
+ */
+
+struct Rectangle
+{
+       Vector2 min;
+       Vector2 max;
+
+
+       Rectangle() {}
+
+       Rectangle(const Vector2& a, const Vector2& b)
+       {
+               init(a, b);
+       }
+
+       Rectangle(Scalar ax, Scalar ay, Scalar bx, Scalar by)
+       {
+               Vector2 a(ax, ay);
+               Vector2 b(bx, by);
+
+               init(a, b);
+       }
+
+       inline void init(const Vector2& a, const Vector2& b)
+       {
+               if (a[0] < b[0])
+               {
+                       min[0] = a[0];
+                       max[0] = b[0];
+               }
+               else
+               {
+                       min[0] = b[0];
+                       max[0] = a[0];
+               }
+               if (a[1] < b[1])
+               {
+                       min[1] = a[1];
+                       max[1] = b[1];
+               }
+               else
+               {
+                       min[1] = b[1];
+                       max[1] = a[1];
+               }
+       }
+
+       inline Vector2 getCenter() const
+       {
+               return Vector2((min[0] + max[0]) / 2.0,
+                                          (min[1] + max[1]) / 2.0);
+       }
+
+       void getCorners(Vector2 corners[4]) const;
+};
+
+
+} // namespace Mf
+
+#endif // _MOOF_RECTANGLE_HH_
+
+/** vim: set ts=4 sw=4 tw=80: *************************************************/
+