mirror of
https://github.com/nitraiolo/CfgUSBLoader.git
synced 2024-12-04 17:14:14 +01:00
90 lines
4.6 KiB
C
90 lines
4.6 KiB
C
/*------------------------------------------------------------------------------
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Copyright (c) 2010 The GRRLIB Team
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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------------------------------------------------------------------------------*/
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/*
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* @file GRRLIB_collision.h
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* Inline functions for collision detection.
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*/
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/**
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* Determine whether the specified point lies within the specified rectangle.
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* @param hotx Specifies the x-coordinate of the upper-left corner of the rectangle.
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* @param hoty Specifies the y-coordinate of the upper-left corner of the rectangle.
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* @param hotw The width of the rectangle.
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* @param hoth The height of the rectangle.
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* @param wpadx Specifies the x-coordinate of the point.
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* @param wpady Specifies the y-coordinate of the point.
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* @return If the specified point lies within the rectangle, the return value is true otherwise it's false.
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*/
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INLINE
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bool GRRLIB_PtInRect (const int hotx, const int hoty,
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const int hotw, const int hoth,
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const int wpadx, const int wpady) {
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return( ((wpadx>=hotx) && (wpadx<=(hotx+hotw))) &&
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((wpady>=hoty) && (wpady<=(hoty+hoth))) );
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}
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/**
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* Determine whether a specified rectangle lies within another rectangle.
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* @param rect1x Specifies the x-coordinate of the upper-left corner of the rectangle.
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* @param rect1y Specifies the y-coordinate of the upper-left corner of the rectangle.
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* @param rect1w Specifies the width of the rectangle.
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* @param rect1h Specifies the height of the rectangle.
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* @param rect2x Specifies the x-coordinate of the upper-left corner of the rectangle.
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* @param rect2y Specifies the y-coordinate of the upper-left corner of the rectangle.
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* @param rect2w Specifies the width of the rectangle.
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* @param rect2h Specifies the height of the rectangle.
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* @return If the specified rectangle lies within the other rectangle, the return value is true otherwise it's false.
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*/
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INLINE
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bool GRRLIB_RectInRect (const int rect1x, const int rect1y,
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const int rect1w, const int rect1h,
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const int rect2x, const int rect2y,
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const int rect2w, const int rect2h) {
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return ( (rect1x >= rect2x) && (rect1y >= rect2y) &&
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(rect1x+rect1w <= rect2x+rect2w) &&
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(rect1y+rect1h <= rect2y+rect2h) );
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}
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/**
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* Determine whether a part of a specified rectangle lies on another rectangle.
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* @param rect1x Specifies the x-coordinate of the upper-left corner of the first rectangle.
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* @param rect1y Specifies the y-coordinate of the upper-left corner of the first rectangle.
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* @param rect1w Specifies the width of the first rectangle.
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* @param rect1h Specifies the height of the first rectangle.
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* @param rect2x Specifies the x-coordinate of the upper-left corner of the second rectangle.
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* @param rect2y Specifies the y-coordinate of the upper-left corner of the second rectangle.
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* @param rect2w Specifies the width of the second rectangle.
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* @param rect2h Specifies the height of the second rectangle.
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* @return If the specified rectangle lies on the other rectangle, the return value is true otherwise it's false.
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*/
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INLINE
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bool GRRLIB_RectOnRect (const int rect1x, const int rect1y,
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const int rect1w, const int rect1h,
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const int rect2x, const int rect2y,
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const int rect2w, const int rect2h) {
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return GRRLIB_PtInRect(rect1x, rect1y, rect1w, rect1h, rect2x, rect2y) ||
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GRRLIB_PtInRect(rect1x, rect1y, rect1w, rect1h, rect2x+rect2w, rect2y) ||
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GRRLIB_PtInRect(rect1x, rect1y, rect1w, rect1h, rect2x+rect2w, rect2y+rect2h) ||
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GRRLIB_PtInRect(rect1x, rect1y, rect1w, rect1h, rect2x, rect2y+rect2h);
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}
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