C# Sprite.SetScale方法代码示例

        private void SetupGorgon()
        {
            Gorgon.Initialize(true, false);
            Gorgon.SetMode(this);
            //Gorgon.AllowBackgroundRendering = true;
            //Gorgon.Screen.BackgroundColor = Color.FromArgb(50, 50, 50);

            //Gorgon.CurrentClippingViewport = new Viewport(0, 20, Gorgon.Screen.Width, Gorgon.Screen.Height - 20);
            //PreciseTimer preciseTimer = new PreciseTimer();
            //Gorgon.MinimumFrameTime = PreciseTimer.FpsToMilliseconds(66);
            Gorgon.Idle += new FrameEventHandler(Gorgon_Idle);
            Gorgon.FrameStatsVisible = true;

            bouncesprite = new Sprite("bouncey", GorgonLibrary.Graphics.Image.FromFile(mediadir + @"\textures\0_Items.png"), new Vector2D(0,0), new Vector2D(22,20));
            bouncesprite.SetScale(3, 3);
            decalsprite = new Sprite("decal", GorgonLibrary.Graphics.Image.FromFile(mediadir + @"\textures\0_Decals.png"), new Vector2D(56,0), new Vector2D(103,29));
            decalsprite.SetScale(1, 1);
            decalShader = FXShader.FromFile(mediadir + @"\shaders\decalshader.fx", ShaderCompileOptions.Debug);
            decalShader.Parameters["tex1"].SetValue(decalsprite.Image);

            baseTarget = new RenderImage("baseTarget", 32, 32, ImageBufferFormats.BufferRGB888A8);
            baseTargetSprite = new Sprite("baseTargetSprite", baseTarget);

            bounceysprites = new BounceySprite[10];
            for (int i = 0; i < 10; i++)
            {
                bounceysprites[i] = new BounceySprite(bouncesprite, new Vector2D(random.Next(0, Gorgon.Screen.Width), random.Next(0, Gorgon.Screen.Height)), 
                                        new Vector2D((float)random.Next(-100000,100000) / 100000, (float)random.Next(-100000,100000) / 100000),
                                        decalsprite, new Vector2D(random.Next(-10,15), random.Next(-10,15)), decalShader, this);
            }


            //Calculate decal texcoord offsets
            /*Vector2D decalBToffset = new Vector2D(10,5);
            float BTXDTL_x = decalBToffset.X / bouncesprite.Image.Width;
            float BTXDTL_y = decalBToffset.Y / bouncesprite.Image.Height;
            float BTXDBR_x = (decalBToffset.X + decalsprite.Width)/bouncesprite.Image.Width;
            float BTXDBR_y = (decalBToffset.Y + decalsprite.Height)/bouncesprite.Image.Height;
            float CFx = (float)decalsprite.Image.Width/(float)bouncesprite.Image.Width;
            float CFy = (float)decalsprite.Image.Height / (float)bouncesprite.Image.Height;
            float DOtc_xtl = (float)decalsprite.ImageOffset.X / (float)decalsprite.Image.Width;
            float DOtc_ytl = (float)decalsprite.ImageOffset.Y / (float)decalsprite.Image.Height;

            Vector4D decalParms1 = new Vector4D(BTXDTL_x, BTXDTL_y, BTXDBR_x, BTXDBR_y);
            Vector4D decalParms2 = new Vector4D(CFx, CFy, DOtc_xtl, DOtc_ytl);*/
        }

        void CreateSprites()
        {
            var cache = ResourceCache;
            var graphics = Graphics;
            UI ui = UI;

            // Get the Urho3D fish texture
            Texture2D decalTex = cache.GetTexture2D("Textures/UrhoDecal.dds");

            for (uint i = 0; i < NumSprites; ++i)
            {
                // Create a new sprite, set it to use the texture
                Sprite sprite = new Sprite();
                sprite.Texture = decalTex;

                // The UI root element is as big as the rendering window, set random position within it
                sprite.Position = new IntVector2((int) (NextRandom()*graphics.Width), (int) (NextRandom()*graphics.Height));

                // Set sprite size & hotspot in its center
                sprite.Size = new IntVector2(128, 128);
                sprite.HotSpot = new IntVector2(64, 64);

                // Set random rotation in degrees and random scale
                sprite.Rotation = NextRandom()*360.0f;
                sprite.SetScale(NextRandom(1.0f) + 0.5f);

                // Set random color and additive blending mode
                sprite.SetColor(new Color(NextRandom(0.5f) + 0.5f, NextRandom(0.5f) + 0.5f, NextRandom(0.5f) + 0.5f));
                sprite.BlendMode = BlendMode.Add;

                // Add as a child of the root UI element
                ui.Root.AddChild(sprite);

                // Store sprites to our own container for easy movement update iteration
                spritesWithVelocities[sprite] = new Vector2(NextRandom(200.0f) - 100.0f, NextRandom(200.0f) - 100.0f);
            }
        }

		void CreateLogo()
		{
			cache = ResourceCache;
			var logoTexture = cache.GetTexture2D("Textures/LogoLarge.png");

			if (logoTexture == null)
				return;

			ui = UI;
			logoSprite = ui.Root.CreateSprite();
			logoSprite.Texture = logoTexture;
			int w = logoTexture.Width;
			int h = logoTexture.Height;
			logoSprite.SetScale(256.0f / w);
			logoSprite.SetSize(w, h);
			logoSprite.SetHotSpot(0, h);
			logoSprite.SetAlignment(HorizontalAlignment.Left, VerticalAlignment.Bottom);
			logoSprite.Opacity = 0.75f;
			logoSprite.Priority = -100;
		}