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tween: add SYMBOL_EXPORT macros

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Sebastian Krzyszkowiak 2018-05-31 20:51:44 +02:00
parent 9182cabf79
commit 5fe62da08f
1 changed files with 6 additions and 6 deletions
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12
src/tween.c
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@ -243,7 +243,7 @@ static double BounceEaseInOut(double p) {
// ------------------------------------------------------------------------------
struct Tween Tween(struct Game* game, double start, double stop, double duration, TWEEN_STYLE style) {
SYMBOL_EXPORT struct Tween Tween(struct Game* game, double start, double stop, double duration, TWEEN_STYLE style) {
return (struct Tween){
.start = start,
.stop = stop,
@ -257,14 +257,14 @@ struct Tween Tween(struct Game* game, double start, double stop, double duration
.data = NULL};
}
double GetTweenPosition(struct Tween* tween) {
SYMBOL_EXPORT double GetTweenPosition(struct Tween* tween) {
if (tween->duration == 0.0) {
return 1.0;
}
return tween->pos / tween->duration;
}
double Interpolate(double pos, TWEEN_STYLE style) {
SYMBOL_EXPORT double Interpolate(double pos, TWEEN_STYLE style) {
if (pos < 0.0) {
pos = 0.0;
}
@ -338,15 +338,15 @@ double Interpolate(double pos, TWEEN_STYLE style) {
return pos;
}
double GetTweenInterpolation(struct Tween* tween) {
SYMBOL_EXPORT double GetTweenInterpolation(struct Tween* tween) {
return Interpolate(GetTweenPosition(tween), tween->style);
}
double GetTweenValue(struct Tween* tween) {
SYMBOL_EXPORT double GetTweenValue(struct Tween* tween) {
return tween->start + GetTweenInterpolation(tween) * (tween->stop - tween->start);
}
void UpdateTween(struct Tween* tween, double delta) {
SYMBOL_EXPORT void UpdateTween(struct Tween* tween, double delta) {
if (tween->paused) { return; }
tween->pos += delta;
if (tween->pos > tween->duration) {