Aiv.Fast2D.Example.ParticleSystem.Update C# (CSharp) Метод

        public void Update(Window window)
        {
            for (int i = 0; i < this.instancedSprite.Instances; i++)
            {
                this.particles[i].life -= window.deltaTime;
                if (this.particles[i].life <= 0)
                {
                    this.particles[i].velocity = new Vector2(RandomFloat(-1, 1), RandomFloat(-1, 0)) * 60f;
                    this.particles[i].gravity = Vector2.Zero;
                    this.particles[i].life = RandomFloat(1, 3);
                    this.instancedSprite.SetPosition(i, Vector2.Zero);
                    this.instancedSprite.SetScale(i, new Vector2(RandomFloat(1, 2), RandomFloat(1, 2)));
                    continue;
                }
                Vector2 position = this.instancedSprite.GetPosition(i);
                this.particles[i].gravity += gravity * window.deltaTime;
                this.instancedSprite.SetPosition(i, position + (this.particles[i].velocity + this.particles[i].gravity) * window.deltaTime, noUpload: true);
            }
            this.instancedSprite.UpdatePositions();
            this.instancedSprite.DrawSolidColor(0, 1, 0, 0.8f);
        }

            private void Update()
            {
                if (window.GetKey(KeyCode.Right))
                {
                    tileMap.position += new Vector2(1, 0) * window.deltaTime * 300;
                    ship2.FlipX       = false;
                }
                if (window.GetKey(KeyCode.Left))
                {
                    tileMap.position += new Vector2(-1, 0) * window.deltaTime * 300;
                    ship2.FlipX       = true;
                }
                if (window.GetKey(KeyCode.Up))
                {
                    tileMap.position += new Vector2(0, -1) * window.deltaTime * 300;
                }
                if (window.GetKey(KeyCode.Down))
                {
                    tileMap.position += new Vector2(0, 1) * window.deltaTime * 300;
                }

                if (window.GetKey(KeyCode.CtrlLeft))
                {
                    deltaTimeAccumulator += window.deltaTime;
                    window.SetSize(window.Width, (int)(300 * (1 + Math.Abs(Math.Sin(deltaTimeAccumulator)))));
                }

                tileMap.position += window.JoystickAxisRight(0) * window.deltaTime * 300;

                tileMap.Draw();

                for (int i = 0; i < tiles2.Instances; i++)
                {
                    tiles2.SetPosition(i, new Vector2(20 * i, 20 * i), true);
                    if (i % 2 == 0)
                    {
                        tiles2.SetAdditiveColor(i, new Vector4(1, -1, -1, 1), true);
                    }
                }
                tiles2.UpdatePositions();
                tiles2.UpdateAdditiveColors();



                ship.position.Y = 10;
                ship.position  += new Vector2(5f, 0) * window.deltaTime;

                ship.scale = new Vector2(1f, 1f);

                t += window.deltaTime;
                if (t > 1f / 24f)
                {
                    index++;
                    if (index >= 51)
                    {
                        index = 0;
                    }
                    t = 0;
                }
                int x = (index % 10) * (alien.Width / 10);
                int y = (index / 10) * height;


                ship.DrawTexture(alien, x, y, alien.Width / 10, height);


                square.DrawSolidColor(1f, 0, 0, 0.5f);

                window.SetClearColor(255, 0, 0);
                window.RenderTo(screen);

                logo.position.Y = 100;
                logo.position  += new Vector2(50f, 0) * window.deltaTime;
                logo.scale      = new Vector2(1f, 1f);
                logo.DrawTexture(logoAiv);



                if (window.GetKey(KeyCode.Esc))
                {
                    window.Exit();
                }

                if (window.GetKey(KeyCode.F))
                {
                    window.SetFullScreen(true);
                    window.SetResolution(1920, 1080);
                }

                if (window.GetKey(KeyCode.T))
                {
                    window.Title = string.Format("Counter = {0}", counter++);
                }

                if (window.GetKey(KeyCode.R))
                {
                    ship.SetAdditiveTint(1f, -1f, -1f, 0);
                    //ship.SetMultiplyTint(2f, 0, 0, 1);
                }

                if (window.GetKey(KeyCode.N))
                {
                    ship.SetAdditiveTint(0, 0, 0, 0);
                    //ship.SetMultiplyTint(2f, 0, 0, 1);
                }

                window.SetClearColor(100, 100, 100);
                window.RenderTo(null);


                monitor.DrawTexture(screen);



                Vector2 newPosition = tiles.GetPosition(2) - Vector2.One * 20f * window.deltaTime;

                tiles.SetPosition(2, newPosition);

                tiles.DrawSolidColor(0, 1, 1, 1);

                tiles2.position.X += 30 * window.deltaTime;
                tiles2.DrawSolidColor(1, 1, 0, 1);

                particleSystem.Update(window);

                //rope.SetDestination(window.mousePosition);
                rope.UpdatePhysics(window);
                rope.DrawSolidColor(1f, 0f, 1f, 1f);

                ship2.position = rope.position + rope.Point2;
                ship2.SetAdditiveTint(-1f, 1f, -1f, 0);
                ship2.DrawTexture(alien, x, y, alien.Width / 10, height);

                particleSystem2.position = ship2.position;
                particleSystem2.Update(window);



                farTriangles.position.Y = window.MouseWheel;
                farTriangles.DrawColor(0f, 0f, 1f, 1f);

                triangle.v[4] = window.mouseX;
                triangle.v[5] = window.mouseY;
                triangle.UpdateVertex();

                if (window.HasFocus)
                {
                    triangle.DrawTexture(alien);
                }
                else
                {
                    window.SetScissorTest(window.Width / 2 - 200, window.Height / 2 - 200, 400, 400);
                    triangle.DrawColor(1f, 0f, 1f, 1f);
                    window.SetScissorTest(false);
                }

                window.SetClearColor(0f, 0f, 0f, 0f);
                window.RenderTo(maskedAlien);

                maskedBackground.DrawTexture(alien2);
                window.SetMaskedBlending();
                spriteMask.scale    = Vector2.One;
                spriteMask.position = new Vector2(150, 100);
                spriteMask.DrawTexture(circleMask);

                spriteMask.scale    = new Vector2(2f, 2.7f);
                spriteMask.position = new Vector2(180, 280);
                spriteMask.DrawTexture(circleMask2);

                window.SetAlphaBlending();
                window.SetClearColor(0.5f, 0.5f, 0.5f);
                window.RenderTo(null);

                maskedObject.DrawTexture(maskedAlien);

                if (window.GetKey(KeyCode.Space))
                {
                    mainEffect.enabled = true;
                }

                if (window.GetKey(KeyCode.Return))
                {
                    mainEffect.enabled = false;
                }

                if (window.GetKey(KeyCode.Num1))
                {
                    window.SetDefaultOrthographicSize(window.CurrentOrthoGraphicSize + window.deltaTime * 100);
                }

                colouredTriangle.position = window.mousePosition;
                colouredTriangle.pivot    = new Vector2(500, 250);
                float triggerRight = window.JoystickTriggerRight(0);
                float triggerLeft  = window.JoystickTriggerLeft(0);

                colouredTriangle.scale = new Vector2(1 + triggerLeft, 1 + triggerRight);
                colouredTriangle.Draw();
            }