<?phpnamespace Tests;use App\Scene\PlayScene;use App\Td\Battle;use App\View3d\Particles;use JumPHP\Testing\GameTestCase;/** The battle's particles: how they live (plain unit tests), and that the battle makes them (a game test, in 3D). */final class ParticlesTest extends GameTestCase{ public function testABurstFliesFallsAndFadesAway(): void { $p = new Particles(); $p->burst(100.0, 10.0, 50.0, 6, [1.0, 0.5, 0.2], 20.0, 10.0, 0.5, 1.0); self::assertSame(6, $p->count()); $p->update(0.1); foreach ($p->list as $one) { self::assertNotEquals([100.0, 50.0], [$one['x'], $one['z']], 'it moved'); self::assertGreaterThanOrEqual(0.4, $one['y'], 'never under the ground'); } for ($i = 0; $i < 60; $i++) { $p->update(1 / 60); } self::assertSame(0, $p->count(), 'all gone after their life'); } public function testAParticleFadesInThenOut(): void { $p = ['age' => 0.0, 'life' => 1.0, 'size' => 2.0]; self::assertSame(0.0, Particles::look($p)[0]); self::assertGreaterThan(0.8, Particles::look(['age' => 0.2] + $p)[0]); self::assertLessThan(0.2, Particles::look(['age' => 0.95] + $p)[0]); self::assertLessThan(2.0, Particles::look(['age' => 0.9] + $p)[1], 'it shrinks'); } public function testThereAreNeverTooManyParticles(): void { $p = new Particles(); for ($i = 0; $i < 100; $i++) { $p->power(200.0, 100.0, 40.0); } self::assertSame(Particles::MAX, $p->count()); } public function testTheRollsStayBetweenTheirBounds(): void { $p = new Particles(123); for ($i = 0; $i < 2000; $i++) { $v = $p->rand(-3.0, 5.0); self::assertTrue($v >= -3.0 && $v < 5.0); } } public function testBuildingAndShootingThrowDustAndSparksInTheBattle(): void { if (!$this->game->engine->gl()->isAvailable()) { self::markTestSkipped('No OpenGL here: particles are for the 3D battle.'); } $this->game->start(PlayScene::class, ['faction' => 'elves', 'map' => 'thornvale', 'countdown' => 1, 'gold' => 2000]); /** @var Battle $battle */ $battle = $this->game->peek('battle'); /** @var Particles $particles */ $particles = $this->game->peek('particles'); self::assertSame(0, $particles->count()); self::assertTrue($battle->build(0, 'elf_archer')); $this->game->run(2); self::assertGreaterThan(10, $particles->count(), 'dust and motes where the tower rises'); // the first wave comes into the towers' range: hits and kills make sparks and puffs for ($slot = 1; $slot < count($battle->slots); $slot++) { $battle->build($slot, 'elf_songmage'); } $this->game->run(60); $kills = 0; for ($i = 0; $i < 60 && $kills === 0; $i++) { $before = $battle->gold; $this->game->run(20); $kills += $battle->gold > $before ? 1 : 0; } self::assertGreaterThan(0, $kills, 'the towers killed something'); self::assertGreaterThan(3, $particles->count(), 'sparks, dust and coins over the fight'); $this->game->shot('particles'); } public function testTheSidesPowerFallsAsAShowerOfLight(): void { if (!$this->game->engine->gl()->isAvailable()) { self::markTestSkipped('No OpenGL here: particles are for the 3D battle.'); } $this->game->start(PlayScene::class, ['faction' => 'dwarves', 'map' => 'thornvale', 'countdown' => 999, 'gold' => 2000]); (new \ReflectionProperty(PlayScene::class, 'banners'))->setValue($this->game->scene(), []); /** @var Battle $battle */ $battle = $this->game->peek('battle'); /** @var Particles $particles */ $particles = $this->game->peek('particles'); $battle->powerTimer = 0.0; $road = $battle->nearestRoad(240.0, 140.0); $battle->spawnEnemy('grunt'); self::assertTrue($battle->castPower($road['x'], $road['y'])); self::assertTrue($battle->build(4, 'dwarf_slingshot')); $this->game->run(8); self::assertGreaterThan(30, $particles->count()); $this->game->shot('particles-power'); }}