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Update easings.h ()

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Make easings.h use powf and sqrtf instead of pow and sqrt.
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flashback-fx 2020-04-21 21:17:58 +02:00 committed by GitHub
parent 00b3199859
commit 596499416f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 13 deletions

26
src/easings.h

@ -90,7 +90,7 @@
#define EASEDEF extern
#endif
#include <math.h> // Required for: sinf(), cosf(), sqrt(), pow()
#include <math.h> // Required for: sinf(), cosf(), sqrtf(), powf()
#ifndef PI
#define PI 3.14159265358979323846f //Required as PI is not always defined in math.h
@ -112,12 +112,12 @@ EASEDEF float EaseSineOut(float t, float b, float c, float d) { return (c*sinf(t
EASEDEF float EaseSineInOut(float t, float b, float c, float d) { return (-c/2.0f*(cosf(PI*t/d) - 1.0f) + b); }
// Circular Easing functions
EASEDEF float EaseCircIn(float t, float b, float c, float d) { t /= d; return (-c*(sqrt(1.0f - t*t) - 1.0f) + b); }
EASEDEF float EaseCircOut(float t, float b, float c, float d) { t = t/d - 1.0f; return (c*sqrt(1.0f - t*t) + b); }
EASEDEF float EaseCircIn(float t, float b, float c, float d) { t /= d; return (-c*(sqrtf(1.0f - t*t) - 1.0f) + b); }
EASEDEF float EaseCircOut(float t, float b, float c, float d) { t = t/d - 1.0f; return (c*sqrtf(1.0f - t*t) + b); }
EASEDEF float EaseCircInOut(float t, float b, float c, float d)
{
if ((t/=d/2.0f) < 1.0f) return (-c/2.0f*(sqrt(1.0f - t*t) - 1.0f) + b);
t -= 2.0f; return (c/2.0f*(sqrt(1.0f - t*t) + 1.0f) + b);
if ((t/=d/2.0f) < 1.0f) return (-c/2.0f*(sqrtf(1.0f - t*t) - 1.0f) + b);
t -= 2.0f; return (c/2.0f*(sqrtf(1.0f - t*t) + 1.0f) + b);
}
// Cubic Easing functions
@ -139,15 +139,15 @@ EASEDEF float EaseQuadInOut(float t, float b, float c, float d)
}
// Exponential Easing functions
EASEDEF float EaseExpoIn(float t, float b, float c, float d) { return (t == 0.0f) ? b : (c*pow(2.0f, 10.0f*(t/d - 1.0f)) + b); }
EASEDEF float EaseExpoOut(float t, float b, float c, float d) { return (t == d) ? (b + c) : (c*(-pow(2.0f, -10.0f*t/d) + 1.0f) + b); }
EASEDEF float EaseExpoIn(float t, float b, float c, float d) { return (t == 0.0f) ? b : (c*powf(2.0f, 10.0f*(t/d - 1.0f)) + b); }
EASEDEF float EaseExpoOut(float t, float b, float c, float d) { return (t == d) ? (b + c) : (c*(-powf(2.0f, -10.0f*t/d) + 1.0f) + b); }
EASEDEF float EaseExpoInOut(float t, float b, float c, float d)
{
if (t == 0.0f) return b;
if (t == d) return (b + c);
if ((t/=d/2.0f) < 1.0f) return (c/2.0f*pow(2.0f, 10.0f*(t - 1.0f)) + b);
if ((t/=d/2.0f) < 1.0f) return (c/2.0f*powf(2.0f, 10.0f*(t - 1.0f)) + b);
return (c/2.0f*(-pow(2.0f, -10.0f*(t - 1.0f)) + 2.0f) + b);
return (c/2.0f*(-powf(2.0f, -10.0f*(t - 1.0f)) + 2.0f) + b);
}
// Back Easing functions
@ -219,7 +219,7 @@ EASEDEF float EaseElasticIn(float t, float b, float c, float d)
float p = d*0.3f;
float a = c;
float s = p/4.0f;
float postFix = a*pow(2.0f, 10.0f*(t-=1.0f));
float postFix = a*powf(2.0f, 10.0f*(t-=1.0f));
return (-(postFix*sinf((t*d-s)*(2.0f*PI)/p )) + b);
}
@ -233,7 +233,7 @@ EASEDEF float EaseElasticOut(float t, float b, float c, float d)
float a = c;
float s = p/4.0f;
return (a*pow(2.0f,-10.0f*t)*sinf((t*d-s)*(2.0f*PI)/p) + c + b);
return (a*powf(2.0f,-10.0f*t)*sinf((t*d-s)*(2.0f*PI)/p) + c + b);
}
EASEDEF float EaseElasticInOut(float t, float b, float c, float d)
@ -247,11 +247,11 @@ EASEDEF float EaseElasticInOut(float t, float b, float c, float d)
if (t < 1.0f)
{
float postFix = a*pow(2.0f, 10.0f*(t-=1.0f));
float postFix = a*powf(2.0f, 10.0f*(t-=1.0f));
return -0.5f*(postFix*sinf((t*d-s)*(2.0f*PI)/p)) + b;
}
float postFix = a*pow(2.0f, -10.0f*(t-=1.0f));
float postFix = a*powf(2.0f, -10.0f*(t-=1.0f));
return (postFix*sinf((t*d-s)*(2.0f*PI)/p)*0.5f + c + b);
}