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plugins/fallapart: use InCubic easing

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This visual effect corresponds to visible to invisible. So use InCubic
easing for opacity and speed.
This commit is contained in:
Yifan Zhu 2024-01-19 09:32:40 -08:00 committed by Vlad Zahorodnii
parent d0a49a6b77
commit adc076322b
1 changed files with 5 additions and 2 deletions
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7
src/plugins/fallapart/fallapart.cpp
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@ -12,6 +12,8 @@
// KConfigSkeleton
#include "fallapartconfig.h"
#include <QEasingCurve>
#include <cmath>
Q_LOGGING_CATEGORY(KWIN_FALLAPART, "kwin_effect_fallapart", QtWarningMsg)
@ -72,7 +74,8 @@ void FallApartEffect::apply(EffectWindow *w, int mask, WindowPaintData &data, Wi
{
auto animationIt = windows.constFind(w);
if (animationIt != windows.constEnd() && isRealWindow(w)) {
const qreal t = animationIt->progress;
QEasingCurve easing(QEasingCurve::InCubic);
const qreal t = easing.valueForProgress(animationIt->progress);
// Request the window to be divided into cells
quads = quads.makeGrid(blockSize);
int cnt = 0;
@ -94,7 +97,7 @@ void FallApartEffect::apply(EffectWindow *w, int mask, WindowPaintData &data, Wi
if (p1.y() > w->height() / 2) {
ydiff = (p1.y() - w->height() / 2) / w->height() * 100;
}
double modif = t * t * 64;
double modif = t * 64;
srandom(cnt); // change direction randomly but consistently
xdiff += (rand() % 21 - 10);
ydiff += (rand() % 21 - 10);