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fix(anim): fix bounce path

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This commit is contained in:
Gabor Kiss-Vamosi
2020-11-26 15:22:58 +01:00
parent 313f7f30a7
commit d6d5903be1
1 changed files with 7 additions and 6 deletions
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src/lv_misc/lv_anim.c
+7 -6
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@@ -362,7 +362,7 @@ lv_anim_value_t lv_anim_path_bounce(const lv_anim_path_t * path, const lv_anim_t
LV_UNUSED(path);
/*Calculate the current step*/
uint32_t t;
int32_t t;
if(a->time == a->act_time)
t = 1024;
else
@@ -381,31 +381,32 @@ lv_anim_value_t lv_anim_path_bounce(const lv_anim_path_t * path, const lv_anim_t
t -= 408;
t = t * 5; /*to [0..1024] range*/
t = 1024 - t;
diff = diff / 6;
diff = diff / 20;
}
else if(t >= 614 && t < 819) {
/*Fall back*/
t -= 614;
t = t * 5; /*to [0..1024] range*/
diff = diff / 6;
diff = diff / 20;
}
else if(t >= 819 && t < 921) {
/*Second bounce back*/
t -= 819;
t = t * 10; /*to [0..1024] range*/
t = 1024 - t;
diff = diff / 16;
diff = diff / 40;
}
else if(t >= 921 && t <= 1024) {
/*Fall back*/
t -= 921;
t = t * 10; /*to [0..1024] range*/
diff = diff / 16;
diff = diff / 40;
}
if(t > 1024) t = 1024;
if(t < 0) t = 0;
int32_t step = _lv_bezier3(t, 1024, 1024, 800, 0);
int32_t step = _lv_bezier3(t, 1024, 800, 500, 0);
int32_t new_value;
new_value = (int32_t)step * diff;