コード例 #1
0
        public static Particle Create(EParticles particleType, Vector3 location, Vector3 force)
        {
            Particle particle = EntityFactory.Create <Particle>(string.Format("{0}Particle", particleType.ToString()));

            particle.AddComponent <TransformComponent>().Init(location);

            PhysicsComponent physics = particle.AddComponent <PhysicsComponent>();

            physics.Init(BodyType.Dynamic, 0.94f, 0.5f);
            physics.ApplyForce(force, true);

            SpriteComponent   sprite  = particle.AddComponent <SpriteComponent>();
            LightingComponent light   = particle.AddComponent <LightingComponent>();
            DespawnComponent  despawn = particle.AddComponent <DespawnComponent>();

            switch (particleType)
            {
            case EParticles.Spark:
                float lifeTime = SeedManager.Get().NextRandF(2.0f, 5.0f);

                sprite.Init(CollisionManager.Get().PointTexture);
                sprite.Scale = new Vector2(SeedManager.Get().NextRandF(5, 15), SeedManager.Get().NextRandF(5, 15));
                sprite.AddColorFunction(x => { return(Color.Lerp(new Color(0.99f, 1.0f, 0.78f), new Color(1.0f, 0.0f, 0.0f), x)); });
                sprite.AddOpacityFunction(x => { return(1.0f - x / lifeTime); });

                light.Init(AssetManager.Get().Find <Texture2D>(ELightAssets.CircleLight), Vector2.Zero, new Vector2(0.4f, 0.4f));
                light.AddColorFunction(x => { return(Color.Lerp(new Color(0.99f, 1.0f, 0.78f), new Color(1.0f, 0.0f, 0.0f), x)); });
                light.AddBrightnessFunction(x => { return(1.0f - x / lifeTime); });

                despawn.AddTimeTrigger(x => x > lifeTime);
                break;
            }

            return(particle);
        }