diff options
| -rw-r--r-- | src/crepe/system/ParticleSystem.cpp | 17 | ||||
| -rw-r--r-- | src/test/ParticleTest.cpp | 44 |
2 files changed, 54 insertions, 7 deletions
diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index 85321f0..48fe1d7 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -52,8 +52,10 @@ void ParticleSystem::emit_particle(ParticleEmitter & emitter,const Transform& tr double min_angle = emitter.data.min_angle; double max_angle = emitter.data.max_angle; double random_angle; - - if (min_angle <= max_angle) { + if(min_angle == max_angle){ + random_angle = min_angle; + } + else if (min_angle <= max_angle) { // Standard range (e.g., 10 to 20 degrees) double angle_offset = max_angle - min_angle; random_angle = min_angle + static_cast<double>(std::rand() % static_cast<uint32_t>(angle_offset)); @@ -70,8 +72,15 @@ void ParticleSystem::emit_particle(ParticleEmitter & emitter,const Transform& tr // Generate a random speed between min_speed and max_speed double speed_offset = emitter.data.max_speed - emitter.data.min_speed; - double random_speed = emitter.data.min_speed + static_cast<double>(std::rand() % static_cast<uint32_t>(speed_offset)); - + double random_speed = 0.0; + if(emitter.data.max_speed == emitter.data.min_speed) + { + random_speed = emitter.data.min_speed; + } + else { + random_speed = emitter.data.min_speed + static_cast<double>(std::rand() % static_cast<uint32_t>(speed_offset)); + } + // Convert random_angle to radians double angle_radians = random_angle * DEG_TO_RAD; diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp index 368a1f6..1b949e3 100644 --- a/src/test/ParticleTest.cpp +++ b/src/test/ParticleTest.cpp @@ -74,8 +74,10 @@ TEST_F(ParticlesTest, spawnParticle) { emitter.data.end_lifespan = 5; emitter.data.boundary.height = 100; emitter.data.boundary.width = 100; - emitter.data.max_speed = 1; - emitter.data.max_angle = 1; + emitter.data.max_speed = 0.1; + emitter.data.max_angle = 0.1; + emitter.data.max_speed = 10; + emitter.data.max_angle = 10; particle_system.update(); //check if nothing happend EXPECT_EQ(emitter.data.particles[0].active, 0); @@ -89,7 +91,7 @@ TEST_F(ParticlesTest, spawnParticle) { EXPECT_EQ(emitter.data.particles[2].active, 1); particle_system.update(); EXPECT_EQ(emitter.data.particles[3].active, 1); - + for (auto& particle : emitter.data.particles) { // Check velocity range EXPECT_GE(particle.velocity.x, emitter.data.min_speed); // Speed should be greater than or equal to min_speed @@ -103,3 +105,39 @@ TEST_F(ParticlesTest, spawnParticle) { } } + +TEST_F(ParticlesTest, moveParticleHorizontal) { + Config::get_instance().physics.gravity = 1; + ComponentManager & mgr = ComponentManager::get_instance(); + ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + emitter.data.end_lifespan = 100; + emitter.data.boundary.height = 100; + emitter.data.boundary.width = 100; + emitter.data.min_speed = 1; + emitter.data.max_speed = 1; + emitter.data.max_angle = 0; + emitter.data.emission_rate = 1; + for (int a = 1; a < emitter.data.boundary.width/2; a++) { + particle_system.update(); + EXPECT_EQ(emitter.data.particles[0].position.x,a); + } +} + + +TEST_F(ParticlesTest, moveParticleVertical) { + Config::get_instance().physics.gravity = 1; + ComponentManager & mgr = ComponentManager::get_instance(); + ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + emitter.data.end_lifespan = 100; + emitter.data.boundary.height = 100; + emitter.data.boundary.width = 100; + emitter.data.min_speed = 1; + emitter.data.max_speed = 1; + emitter.data.min_angle = 90; + emitter.data.max_angle = 90; + emitter.data.emission_rate = 1; + for (int a = 1; a < emitter.data.boundary.width/2; a++) { + particle_system.update(); + EXPECT_EQ(emitter.data.particles[0].position.y,a); + } +} |