28 lines
1.2 KiB
C
28 lines
1.2 KiB
C
#ifndef INCLUDE_WAYLANDCLIENT_MATRIX_H_
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#define INCLUDE_WAYLANDCLIENT_MATRIX_H_
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#include "types.h"
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struct mat3x3 {
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float m11, m21, m31, _p1;
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float m12, m22, m32, _p2;
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float m13, m23, m33, _p3;
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};
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#define IDENT3x3 \
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(struct mat3x3){.m11 = 1.f, \
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.m21 = 0.f, \
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.m31 = 0.f, \
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.m12 = 0.f, \
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.m22 = 1.f, \
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.m32 = 0.f, \
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.m13 = 0.f, \
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.m23 = 0.f, \
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.m33 = 1.f}
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struct mat3x3 multiply3x3(struct mat3x3 a, struct mat3x3 b);
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struct mat3x3 translate3x3(struct Vec2 offset);
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struct mat3x3 rotate3x3(float alpha);
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struct mat3x3 scale3x3(struct Vec2 scale);
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#endif // INCLUDE_WAYLANDCLIENT_MATRIX_H_
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