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34 lines
No EOL
589 B
C++
34 lines
No EOL
589 B
C++
#ifndef _VEC3_H
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#define _VEC3_H
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#include <cstdint>
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#include "matrix4.h"
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struct vec3
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{
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float x, y, z;
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vec3()
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{
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x = 0.0f;
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y = 0.0f;
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z = 0.0f;
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}
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vec3( float x, float y, float z )
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{
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this->x = x;
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this->y = y;
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this->z = z;
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};
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};
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static vec3 operator*( const vec3& lhs, const matrix4& rhs )
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{
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vec3 ret;
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ret.x = rhs( 0, 0 ) * lhs.x + rhs( 0, 1 ) * lhs.y + rhs( 0, 2 ) * lhs.z;
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ret.y = rhs( 1, 0 ) * lhs.x + rhs( 1, 1 ) * lhs.y + rhs( 1, 2 ) * lhs.z;
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ret.z = rhs( 2, 0 ) * lhs.x + rhs( 2, 1 ) * lhs.y + rhs( 2, 2 ) * lhs.z;
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return ret;
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};
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#endif |