mirror of
https://github.com/DevvNirvana/afterglow.git
synced 2026-10-23 16:00:39 +02:00
Tushar Rohilla
e5295f36aa
222 stations in 17 genres, 56 visualizer scenes, Ogg and Opus playback, station logos, crossfade, My Music from USB, a command box and live BPM sync.
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// ps5-homebrew-ui - Easing and spring tests.
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// Copyright (C) 2026 BlackBearReloaded
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include "core/tween.hpp"
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#include <gtest/gtest.h>
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namespace
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{
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using namespace hui::tween;
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TEST(Tween, EasingsHitEndpointsAndStayMonotonicWhereExpected)
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{
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for (auto ease : {cubic_out, cubic_in_out, expo_out, back_out})
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{
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EXPECT_NEAR(ease(0.0f), 0.0f, 1e-5f);
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EXPECT_NEAR(ease(1.0f), 1.0f, 1e-5f);
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EXPECT_NEAR(ease(-3.0f), 0.0f, 1e-5f);
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EXPECT_NEAR(ease(9.0f), 1.0f, 1e-5f);
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}
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float previous = 0.0f;
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for (int i = 1; i <= 100; ++i)
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{
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const float v = cubic_out(static_cast<float>(i) / 100.0f);
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EXPECT_GE(v, previous);
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previous = v;
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}
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EXPECT_GT(back_out(0.7f), 1.0f); // overshoot
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}
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TEST(Tween, SpringConvergesWithoutOvershootIndependentOfFrameRate)
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{
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Spring fast;
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Spring slow;
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fast.snap(0.0f);
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slow.snap(0.0f);
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fast.target = slow.target = 1.0f;
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for (int i = 0; i < 120; ++i)
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fast.update(1.0f / 120.0f);
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for (int i = 0; i < 60; ++i)
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slow.update(1.0f / 60.0f);
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EXPECT_NEAR(fast.value, slow.value, 0.01f);
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Spring spring;
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spring.snap(0.0f);
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spring.target = 1.0f;
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float peak = 0.0f;
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for (int i = 0; i < 600; ++i)
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{
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spring.update(1.0f / 60.0f);
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peak = std::max(peak, spring.value);
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}
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EXPECT_LE(peak, 1.0f + 1e-4f);
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EXPECT_TRUE(spring.settled());
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}
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TEST(Tween, TimerRunsOnce)
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{
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Timer timer;
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timer.start(0.5f);
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timer.update(0.25f);
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EXPECT_NEAR(timer.progress(), 0.5f, 1e-5f);
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EXPECT_TRUE(timer.running);
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timer.update(1.0f);
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EXPECT_FLOAT_EQ(timer.progress(), 1.0f);
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EXPECT_FALSE(timer.running);
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}
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} // namespace
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