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Cleanup steps animation function definition

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Kovid Goyal
2024-07-17 05:07:06 +05:30
parent 0a707b5c33
commit 9ac81c45b1
1 changed files with 13 additions and 13 deletions
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26
kitty/animation.c
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@@ -79,8 +79,9 @@ cubic_bezier_easing_curve(easing_curve_parameters *p, double t) {
static double
step_easing_curve(easing_curve_parameters *p, double t) {
size_t val_bucket = (size_t)(t * p->count);
return p->params[MIN(val_bucket, p->count - 1)];
double num_of_buckets = p->extra0, start_value = p->extra2, jump_size = p->extra1;
size_t val_bucket = (size_t)(t * num_of_buckets);
return start_value + val_bucket * jump_size;
}
double
@@ -124,24 +125,23 @@ add_linear_animation(Animation *a, double y_at_start, double y_at_end, size_t co
void
add_steps_animation(Animation *a, double y_at_start, double y_at_end, size_t count, EasingStep step) {
animation_function *f = init_function(a, y_at_start, y_at_end, step_easing_curve, count + 2);
double jump_size = 1. / count, val = 0.;
f->params.count = count;
double *params = (double*)f->params.params;
animation_function *f = init_function(a, y_at_start, y_at_end, step_easing_curve, 0);
double jump_size = 1. / count, start_value = 0.;
size_t num_of_buckets = count;
switch (step) {
case EASING_STEP_START:
val = jump_size;
f->params.count = count - 1;
start_value = jump_size;
num_of_buckets--;
break;
case EASING_STEP_END: break;
case EASING_STEP_NONE:
f->params.count = count - 1;
num_of_buckets--;
break;
case EASING_STEP_BOTH:
jump_size = 1. / (count + 1);
val = jump_size;
f->params.count = count + 1;
num_of_buckets++;
jump_size = 1. / num_of_buckets;
start_value = jump_size;
break;
}
for (size_t i = 0; i < f->params.count; i++, val += jump_size) params[i] = val;
f->params.extra0 = num_of_buckets; f->params.extra1 = jump_size; f->params.extra2 = start_value;
}