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The gorious Lord Keith the Rat King can now have easing and motion functions that are defined in json and hot-reloaded.

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Zed A. Shaw 2026-02-04 00:59:26 -05:00
parent 383f839fdf
commit 07b2102f59
6 changed files with 69 additions and 18 deletions
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37
ease2.cpp
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@ -2,6 +2,8 @@
#include "rand.hpp"
#include "animate2.hpp"
#include <fmt/core.h>
#include <unordered_map>
#include "dbc.hpp"
namespace ease2 {
using namespace animate2;
@ -96,4 +98,39 @@ namespace ease2 {
scale_out.x = std::lerp(scale_out.x * tr.min_x, scale_out.x * tr.max_x, tick);
scale_out.y = std::lerp(scale_out.y * tr.min_y, scale_out.y * tr.max_y, tick);
}
std::unordered_map<std::string, EaseFunc> map_of_easings{
{"sine", sine},
{"out_circle", out_circle},
{"out_bounce", out_bounce},
{"in_out_back", in_out_back},
{"random", random},
{"normal_dist", normal_dist},
};
std::unordered_map<std::string, MotionFunc> map_of_motions{
{"move_bounce", move_bounce},
{"move_rush", move_rush},
{"scale_squeeze", scale_squeeze},
{"scale_squash", scale_squash},
{"scale_stretch", scale_stretch},
{"scale_grow", scale_grow},
{"move_slide", move_slide},
{"move_none", move_none},
{"scale_only", scale_only},
{"move_shake", move_shake},
};
EaseFunc get_easing(const std::string& name) {
dbc::check(map_of_easings.contains(name),
fmt::format("easing name {} does not exist", name));
return map_of_easings.at(name);
}
MotionFunc get_motion(const std::string& name) {
dbc::check(map_of_motions.contains(name),
fmt::format("motion name {} does not exist", name));
return map_of_motions.at(name);
}
}