forked from kdx/jtmm2-old
30 lines
662 B
C
30 lines
662 B
C
#ifndef _DEF_VEC
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#define _DEF_VEC
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typedef struct Vec
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{
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int x;
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int y;
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} Vec;
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/* like memcpy but for vectors */
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void vec_cpy(Vec *destination, Vec source);
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/* apply a force on a vector */
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void vec_add(Vec *vector, Vec force);
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/* apply the opposite of a force on a vector */
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void vec_sub(Vec *vector, Vec force);
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/* multiply a vector by a scale */
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void vec_mul(Vec *vector, float scale);
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/* divise a vector by a scale */
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void vec_div(Vec *vector, float scale);
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/* Linear interpolation between two vectors.
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* Require a scale ranging from 0 to 1 (0 is instant, 1 is completly still). */
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void vec_lerp(Vec *from, Vec to, float scale);
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#endif /* _DEF_VEC */
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