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Review easings PR

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Ray 2019-05-25 01:33:03 +02:00
parent 163a6581aa
commit 241c4c8d14
3 changed files with 108 additions and 235 deletions
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16
src/easings.h
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@ -90,7 +90,7 @@
#define EASEDEF extern
#endif
#include <tgmath.h> // Required for: sin(), cos(), sqrt(), pow()
#include <math.h> // Required for: sinf(), cosf(), sqrt(), pow()
#ifndef PI
#define PI 3.14159265358979323846f //Required as PI is not always defined in math.h
@ -107,9 +107,9 @@ EASEDEF float EaseLinearOut(float t, float b, float c, float d) { return (c*t/d
EASEDEF float EaseLinearInOut(float t,float b, float c, float d) { return (c*t/d + b); }
// Sine Easing functions
EASEDEF float EaseSineIn(float t, float b, float c, float d) { return (-c*cos(t/d*(PI/2.0f)) + c + b); }
EASEDEF float EaseSineOut(float t, float b, float c, float d) { return (c*sin(t/d*(PI/2.0f)) + b); }
EASEDEF float EaseSineInOut(float t, float b, float c, float d) { return (-c/2.0f*(cos(PI*t/d) - 1.0f) + b); }
EASEDEF float EaseSineIn(float t, float b, float c, float d) { return (-c*cosf(t/d*(PI/2.0f)) + c + b); }
EASEDEF float EaseSineOut(float t, float b, float c, float d) { return (c*sinf(t/d*(PI/2.0f)) + b); }
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); }
@ -221,7 +221,7 @@ EASEDEF float EaseElasticIn(float t, float b, float c, float d)
float s = p/4.0f;
float postFix = a*pow(2.0f, 10.0f*(t-=1.0f));
return (-(postFix*sin((t*d-s)*(2.0f*PI)/p )) + b);
return (-(postFix*sinf((t*d-s)*(2.0f*PI)/p )) + b);
}
EASEDEF float EaseElasticOut(float t, float b, float c, float d)
@ -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)*sin((t*d-s)*(2.0f*PI)/p) + c + b);
return (a*pow(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)
@ -248,12 +248,12 @@ 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));
return -0.5f*(postFix*sin((t*d-s)*(2.0f*PI)/p)) + b;
return -0.5f*(postFix*sinf((t*d-s)*(2.0f*PI)/p)) + b;
}
float postFix = a*pow(2.0f, -10.0f*(t-=1.0f));
return (postFix*sin((t*d-s)*(2.0f*PI)/p)*0.5f + c + b);
return (postFix*sinf((t*d-s)*(2.0f*PI)/p)*0.5f + c + b);
}
#ifdef __cplusplus