西风逍遥游
7f64b19550
Add a DayNight module (src/modules/daynight) exposing eve.DayNight() to script: - A 24-hour clock (configurable speed / pause) derives the sun elevation and azimuth each frame, repositioning the directional light so the sun sweeps the sky over the day and fades to zero below the horizon. - A procedural IBL sky cubemap (sky gradient + sun disc + deterministic night stars) is regenerated per sun-angle bucket and registered as the 3D env map, so both the skybox angle and the reflected sky follow the sun. - Night light systems, each a set of Light3D entities toggled by name: moonlight (cool directional), starlight (ambient boost), fire (warm point light at a set position) and fireflies (a ring of gently-drifting points). Add examples/daynight: a 3D diorama with a UI panel and hotkeys to pause/speed the clock and toggle moonlight, fire and fireflies. Add test/daynight.cpp (9 cases) and docs/usr/modules/daynight.md. Verified with a syntax-only compile per the weather module precedent.
93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
#include "zeroerr/assert.h"
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#include "zeroerr/unittest.h"
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#include "daynight/DayNight.h"
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#include <cmath>
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using namespace eve::daynight;
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TEST_CASE("daynight.clockRoundTrip") {
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DayNight d;
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d.setTimeOfDay(6.0f);
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CHECK(d.getTimeOfDay() == 6.0f);
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d.setTimeOfDay(23.5f);
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CHECK(d.getTimeOfDay() == 23.5f);
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d.setTimeOfDay(-1.0f); // wraps into the valid 0..24 range
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CHECK(d.getTimeOfDay() >= 0.0f);
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CHECK(d.getTimeOfDay() < 24.0f);
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}
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TEST_CASE("daynight.clockSpeedAndPause") {
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DayNight d;
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CHECK(d.getSpeed() >= 0.0f);
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d.setSpeed(2.0f);
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CHECK(d.getSpeed() == 2.0f);
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d.setSpeed(-1.0f); // clamped non-negative
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CHECK(d.getSpeed() == 0.0f);
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d.setPaused(true);
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CHECK(d.isPaused());
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d.setPaused(false);
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CHECK(!d.isPaused());
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}
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TEST_CASE("daynight.sunElevationPeaksAtNoon") {
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DayNight d;
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d.setTimeOfDay(12.0f);
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CHECK(d.getSunElevation() > 0.0f);
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// Noon is the day-time peak; sun energy should be at or near max.
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CHECK(d.getSunIntensity() > 0.9f);
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CHECK(!d.isNight());
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}
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TEST_CASE("daynight.nightBelowHorizon") {
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DayNight d;
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d.setTimeOfDay(0.0f); // midnight
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CHECK(d.getSunElevation() < 0.0f);
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CHECK(d.getSunIntensity() == 0.0f);
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CHECK(d.isNight());
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}
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TEST_CASE("daynight.sunDirectionNormalized") {
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DayNight d;
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d.setTimeOfDay(9.0f);
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const float x = d.getSunDirX(), y = d.getSunDirY(), z = d.getSunDirZ();
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const float len = std::sqrt(x * x + y * y + z * z);
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CHECK(std::fabs(len - 1.0f) < 1e-3f);
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}
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TEST_CASE("daynight.ambientBounded") {
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DayNight d;
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float a = d.getAmbientBrightness();
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CHECK(a >= 0.0f);
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CHECK(a <= 1.0f);
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}
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TEST_CASE("daynight.nightLightToggles") {
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DayNight d;
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CHECK(d.isNightLight("moonlight"));
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d.setNightLight("moonlight", false);
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CHECK(!d.isNightLight("moonlight"));
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d.setNightLight("fire", true);
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CHECK(d.isNightLight("fire"));
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// Unknown name is ignored without throwing.
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d.setNightLight("laser", true);
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CHECK(!d.isNightLight("laser"));
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}
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TEST_CASE("daynight.fireflyPoolCapped") {
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DayNight d;
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for (int i = 0; i < 20; ++i) {
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d.addFirefly(float(i), 1.0f, 0.0f);
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}
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CHECK(d.getFireflyCount() <= 8);
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d.clearFireflies();
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CHECK(d.getFireflyCount() == 0);
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}
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TEST_CASE("daynight.firePositionStored") {
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DayNight d;
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d.setFirePosition(1.0f, 0.5f, -2.0f);
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CHECK(d.getSkyR() >= 0.0f); // no throw; position is consumed on init
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}
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