46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*
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Copyright (C) 2020 Akaneyu
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MATH_UTIL_H_
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#define MATH_UTIL_H_
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const float PI = 3.1415927f;
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void multiplyMatrix4fVector4f(float *out, float *mat, float *v);
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void multiplyMatrix4fVector3f(float *out, float *mat, float *v);
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void multiplyVector4fValue(float *out, float *v, float val);
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void multiplyVector3fValue(float *out, float *v, float val);
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void copyVector4f(float *out, float *v);
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void copyVector4fValue(float *out, float val);
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void copyVector3f(float *out, float *v);
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void copyVector3fValue(float *out, float val);
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void copyVector3i(int *out, int *v);
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void copyVector3iValue(int *out, int val);
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void copyVector2f(float *out, float *v);
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void copyVector2i(int *out, int *v);
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void copyVector2iValue(int *out, int val);
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void subtractVector3f(float *out, float *v1, float *v2);
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void normalizeVector3f(float *v);
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float dotVector3f(float *v1, float *v2);
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float crossTriVector2f(float *v1, float *v2, float *v3);
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float lenSquaredVector2f(float *v1, float *v2);
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void printVector2f(float *v);
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void printVector4f(float *v);
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void printMatrix4f(float *mat);
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#endif // MATH_UTIL_H_
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