18 lines
No EOL
496 B
C
18 lines
No EOL
496 B
C
#include "arc/math/vector2.h"
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#include <math.h>
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void ARC_Vector2_Normalize(ARC_Vector2 *vector){
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float length = sqrtf((vector->x * vector->x) + (vector->y * vector->y));
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if(length == 0){
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return;
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}
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vector->x /= length;
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vector->y /= length;
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}
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void ARC_Vector2_RotateDegree(ARC_Vector2 *vector, float angle){
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ARC_Vector2 temp = *vector;
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vector->x = (temp.x * cos(angle)) - (temp.y * sin(angle));
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vector->y = (temp.x * sin(angle)) + (temp.y * cos(angle));
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} |