mirror of https://github.com/axmolengine/axmol.git
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
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Copyright (c) 2008, Luke Benstead.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef UTILITY_H_INCLUDED
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#define UTILITY_H_INCLUDED
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#include "platform/CCPlatformMacros.h"
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#include <math.h>
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#ifndef kmScalar
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#define kmScalar float
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#endif
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#ifndef kmBool
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#define kmBool unsigned char
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#endif
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#ifndef kmEnum
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#define kmEnum unsigned int
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#endif
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#ifndef KM_FALSE
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#define KM_FALSE 0
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#endif
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#ifndef KM_TRUE
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#define KM_TRUE 1
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#endif
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#define kmPI 3.141592f
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#define kmPIOver180 0.017453f // PI / 180
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#define kmPIUnder180 57.295779f // 180 / PI
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#define kmEpsilon 1.0 / 64.0
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#ifdef __cplusplus
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extern "C" {
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#endif
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CC_DLL kmScalar kmSQR(kmScalar s);
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CC_DLL kmScalar kmDegreesToRadians(kmScalar degrees);
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CC_DLL kmScalar kmRadiansToDegrees(kmScalar radians);
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CC_DLL kmScalar kmMin(kmScalar lhs, kmScalar rhs);
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CC_DLL kmScalar kmMax(kmScalar lhs, kmScalar rhs);
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CC_DLL kmBool kmAlmostEqual(kmScalar lhs, kmScalar rhs);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UTILITY_H_INCLUDED */
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