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#include "vec2.h"
float2
tofloat2(int2 a)
{
return F2(a.x, a.y);
}
int2
toint2(float2 a)
{
return I2(a.x, a.y);
}
float2
float2_sub(float2 a, float2 b)
{
return F2(a.x - b.x, a.y - b.y);
}
float2
float2_add(float2 a, float2 b)
{
return F2(a.x + b.x, a.y + b.y);
}
float2
float2_mul(float2 a, float x)
{
return F2(a.x * x, a.y * x);
}
float2
float2_div(float2 a, float x)
{
return F2(a.x / x, a.y / x);
}
float
float2_length(float2 a)
{
return sqrtf(a.x * a.x + a.y * a.y);
}
float2
float2_normalize(float2 a)
{
const auto len = float2_length(a);
if (len < 1.0)
return a;
return F2(a.x / len, a.y / len);
}
float
float2_angle(float2 a)
{
return atanf(a.y / a.x) / 3.125 / 2 + 0.5 * (a.x < 0);
}
int2
float2_round(float2 a)
{
return I2(roundf(a.x), roundf(a.y));
}
float2
float2_clamp(float2 min, float2 a, float2 max)
{
forloop (i, 0, 2) {
if (a.a[i] < min.a[i])
a.a[i] = min.a[i];
if (a.a[i] > max.a[i])
a.a[i] = max.a[i];
}
return a;
}
float2
float2_swp(float2 a)
{
return F2(a.y, a.x);
}
int2
int2_sub(int2 a, int2 b)
{
return I2(a.x - b.x, a.y - b.y);
}
int2
int2_add(int2 a, int2 b)
{
return I2(a.x + b.x, a.y + b.y);
}
int2
int2_mul(int2 a, float x)
{
return I2(a.x * x, a.y * x);
}
int2
int2_div(int2 a, float x)
{
return I2(a.x / x, a.y / x);
}
static int
___abs(int a)
{
return (a < 0) ? (-a) : (a);
}
int2
int2_abs(int2 a)
{
return I2(___abs(a.x), ___abs(a.y));
}
int2
int2_swp(int2 a)
{
return I2(a.y, a.x);
}
int2
int2_inv(int2 a)
{
return I2(-a.x, -a.y);
}
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