C# VRageMath.Vector2类代码示例

        internal void Draw(Rectangle rect, Color color, MyVideoRectangleFitMode fitMode)
        {
            Rectangle dst = rect;
            Rectangle src = new Rectangle(0, 0, VideoWidth, VideoHeight);
            var videoSize = new Vector2(VideoWidth, VideoHeight);
            float videoAspect = videoSize.X / videoSize.Y;
            float rectAspect = (float)rect.Width / (float)rect.Height;

            // Automatic decision based on ratios.
            if (fitMode == MyVideoRectangleFitMode.AutoFit)
                fitMode = (videoAspect > rectAspect) ? MyVideoRectangleFitMode.FitHeight : MyVideoRectangleFitMode.FitWidth;

            float scaleRatio = 0.0f;
            switch (fitMode)
            {
                case MyVideoRectangleFitMode.None:
                    break;

                case MyVideoRectangleFitMode.FitWidth:
                    scaleRatio = (float)dst.Width / videoSize.X;
                    dst.Height = (int)(scaleRatio * videoSize.Y);
                    if (dst.Height > rect.Height)
                    {
                        var diff = dst.Height - rect.Height;
                        dst.Height = rect.Height;
                        diff = (int)(diff / scaleRatio);
                        src.Y += (int)(diff * 0.5f);
                        src.Height -= diff;
                    }
                    break;

                case MyVideoRectangleFitMode.FitHeight:
                    scaleRatio = (float)dst.Height / videoSize.Y;
                    dst.Width = (int)(scaleRatio * videoSize.X);
                    if (dst.Width > rect.Width)
                    {
                        var diff = dst.Width - rect.Width;
                        dst.Width = rect.Width;
                        diff = (int)(diff / scaleRatio);
                        src.X += (int)(diff * 0.5f);
                        src.Width -= diff;
                    }
                    break;
            }
            dst.X = rect.Left + (rect.Width - dst.Width) / 2;
            dst.Y = rect.Top + (rect.Height - dst.Height) / 2;


            VRageMath.RectangleF destination = new VRageMath.RectangleF(dst.X, dst.Y, dst.Width, -dst.Height);
            VRageMath.Rectangle? source = src;
            Vector2 origin = new Vector2(src.Width / 2 * 0, src.Height);
            
            MySpritesRenderer.AddSingleSprite(m_texture.ShaderView, videoSize, Color.White, origin, Vector2.UnitX, source, destination);
        }

        public static Vector2 ConvertHudToNormalizedGuiPosition(ref Vector2 hudPos)
        {
            var safeFullscreenRectangle = MyGuiManager.GetSafeFullscreenRectangle();
            var safeFullscreenSize = new Vector2(safeFullscreenRectangle.Width, safeFullscreenRectangle.Height);
            var safeFullscreenOffset = new Vector2(safeFullscreenRectangle.X, safeFullscreenRectangle.Y);

            var safeGuiRectangle = MyGuiManager.GetSafeGuiRectangle();
            var safeGuiSize = new Vector2(safeGuiRectangle.Width, safeGuiRectangle.Height);
            var safeGuiOffset = new Vector2(safeGuiRectangle.X, safeGuiRectangle.Y);

            return ((hudPos * safeFullscreenSize + safeFullscreenOffset) - safeGuiOffset) / safeGuiSize;
        }

 public static void CreateBillboard(VRageRender.MyBillboard billboard, ref MyQuadD quad, string material,
     ref Color color, ref Vector3D origin, Vector2 uvOffset, bool colorize = false, bool near = false, bool lowres = false)
 {
     Debug.Assert(material != null);
     CreateBillboard(billboard, ref quad, material, null, 0, ref color, ref origin, uvOffset, colorize, near, lowres);
 }

        private static void TakeCustomSizedScreenshot(Vector2 rescale)
        {
            var resCpy = m_resolution;

            m_resolution = new Vector2I(resCpy * rescale);
            CreateScreenResources();

            DrawGameScene(false);
            m_resetEyeAdaptation = true;

            // uav3 stores final colors
            var surface = new MyRenderTarget(m_finalImage.GetSize().X, m_finalImage.GetSize().Y, SharpDX.DXGI.Format.R8G8B8A8_UNorm_SRgb, 1, 0);
            MyCopyToRT.Run(surface, m_finalImage);
            MyCopyToRT.ClearAlpha(surface);
            SaveScreenshotFromResource(surface.m_resource);
            surface.Release();

            m_resolution = resCpy;
            CreateScreenResources();
        }

 internal MyVertexFormatPosition2Texcoord(Vector2 position, Vector2 texcoord)
 {
     Position = position;
     Texcoord = texcoord;
 }

 internal MyVertexFormatTexcoordNormalTangentTexindices(Vector2 texcoord, Vector3 normal, Vector3 tangent, Byte4 texIndices)
 {
     Texcoord = new HalfVector2(texcoord.X, texcoord.Y);
     Normal = VF_Packer.PackNormalB4(ref normal);
     Vector4 T = new Vector4(tangent, 1);
     Tangent = VF_Packer.PackTangentSignB4(ref T);
     TexIndices = texIndices;
 }

        public static void DrawSelectionCorner(string atlasTexture, MyHudSelectedObject selection, MyAtlasTextureCoordinate textureCoord, Vector2 scale, Vector2 pos, Vector2 rightVector, float textureScale)
        {
            if (MyVideoSettingsManager.IsTripleHead())
                pos.X = pos.X * 3;

            VRageRender.MyRenderProxy.DrawSpriteAtlas(
                atlasTexture,
                pos,
                textureCoord.Offset,
                textureCoord.Size,
                rightVector,
                scale,
                selection.Color,
                selection.HalfSize / MyGuiManager.GetHudSize() * textureScale);
        }

        public static void DrawCrosshair(string atlas, MyAtlasTextureCoordinate textureCoord, MyHudCrosshair crosshair)
        {
            Vector2 rightVector = new Vector2(crosshair.UpVector.Y, crosshair.UpVector.X);

            float hudSizeX = MyGuiManager.GetSafeFullscreenRectangle().Width / MyGuiManager.GetHudSize().X;
            float hudSizeY = MyGuiManager.GetSafeFullscreenRectangle().Height / MyGuiManager.GetHudSize().Y;
            var pos = crosshair.Position;
            if (MyVideoSettingsManager.IsTripleHead())
                pos.X += 1.0f;

            VRageRender.MyRenderProxy.DrawSpriteAtlas(
                atlas,
                pos,
                textureCoord.Offset,
                textureCoord.Size,
                rightVector,
                new Vector2(hudSizeX, hudSizeY),
                crosshair.Color,
                crosshair.HalfSize);
        }

 private void DrawVoiceChat(MyHudVoiceChat voiceChat)
 {
     MyGuiDrawAlignEnum align = MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_BOTTOM;
     var bg = MyGuiConstants.TEXTURE_VOICE_CHAT;
     var basePos = new Vector2(0.01f, 0.99f);
     var bgPos = ConvertHudToNormalizedGuiPosition(ref basePos);
     MyGuiManager.DrawSpriteBatch(
         bg.Texture,
         bgPos,
         bg.SizeGui,
         Color.White,
         align);
 }

        private void DrawShipInfo(MyHudShipInfo info)
        {
            MyGuiDrawAlignEnum align = MyGuiDrawAlignEnum.HORISONTAL_RIGHT_AND_VERTICAL_BOTTOM;
            Color color = Color.White;
            Vector2 bgScale = new Vector2(1.2f, 1.05f);

            var bgPos = new Vector2(0.99f, 0.99f);
            bgPos = ConvertHudToNormalizedGuiPosition(ref bgPos);
            var bg = MyGuiConstants.TEXTURE_HUD_BG_LARGE_DEFAULT;
            MyGuiManager.DrawSpriteBatch(bg.Texture, bgPos, bg.SizeGui * bgScale, color, align);

            //float scale = MyGuiConstants.HUD_TEXT_SCALE;
            var valuePos = bgPos - bg.PaddingSizeGui * bgScale;
            var namePos = bgPos - bgScale * new Vector2(bg.SizeGui.X - bg.PaddingSizeGui.X, bg.PaddingSizeGui.Y);

            info.Data.DrawBottomUp(namePos, valuePos, m_textScale);
        }

        private void DrawGravityIndicator(MyHudGravityIndicator indicator, MyHudCharacterInfo characterInfo)
        {
            if (indicator.Entity == null)
                return;

            Vector3D worldPosition = MySession.Static.GetCameraControllerEnum() == MyCameraControllerEnum.Entity || MySession.Static.GetCameraControllerEnum() == MyCameraControllerEnum.ThirdPersonSpectator ? indicator.Entity.PositionComp.WorldAABB.Center : MySpectatorCameraController.Static.Position;
            Vector3 totalGravity = MyGravityProviderSystem.CalculateTotalGravityInPoint(worldPosition);
            Vector3 naturalGravity = MyGravityProviderSystem.CalculateNaturalGravityInPoint(worldPosition);
            Vector3 artificialGravity = totalGravity - naturalGravity;
            //gravity += MyPhysics.HavokWorld.Gravity;
            bool anyGravity = !Vector3.IsZero(totalGravity);
            bool anyNaturalGravity = anyGravity && !Vector3.IsZero(naturalGravity);

            // Background and text drawing
            string totalGravityFont, artificialGravityFont = MyFontEnum.Blue, naturalGravityFont = MyFontEnum.Blue;
            StringBuilder totalGravityText, artificialGravityText = null, naturalGravityText = null;
            MyGuiPaddedTexture backgroundTexture;
            if (anyGravity)
            {
                totalGravityFont = MyFontEnum.Blue;
                totalGravityText = MyTexts.Get(MySpaceTexts.HudInfoGravity);
                if (!anyNaturalGravity)
                    artificialGravityFont = MyFontEnum.White;
                artificialGravityText = MyTexts.Get(MySpaceTexts.HudInfoGravityArtificial);
                backgroundTexture = MyGuiConstants.TEXTURE_HUD_BG_MEDIUM_DEFAULT;
            }
            else
            {
                totalGravityFont = MyFontEnum.Red;
                totalGravityText = MyTexts.Get(MySpaceTexts.HudInfoNoGravity);
                backgroundTexture = MyGuiConstants.TEXTURE_HUD_BG_MEDIUM_RED;
            }

            if (anyNaturalGravity)
            {
                naturalGravityText = MyTexts.Get(MySpaceTexts.HudInfoGravityNatural);
                if (naturalGravity.Length() > artificialGravity.Length())
                {
                    artificialGravityFont = MyFontEnum.Blue;
                    naturalGravityFont = MyFontEnum.White;
                }
                else
                {
                    artificialGravityFont = MyFontEnum.White;
                    naturalGravityFont = MyFontEnum.Blue;
                }
            }

            bool drawOxygen = MySession.Static.Settings.EnableOxygen;
            Vector2 bgSizeDelta = new Vector2(0.015f + 0.02f, 0.05f);
            float oxygenLevel = 0f;

            Vector2 oxygenCompensation = Vector2.Zero;
            if (drawOxygen && anyNaturalGravity) oxygenCompensation = new Vector2(0f, 0.025f);
            Vector2 backgroundSize = backgroundTexture.SizeGui + bgSizeDelta + oxygenCompensation;

            Vector2 backgroundPosition, vectorPosition;
            Vector2 totalGravityTextPos, artificialGravityTextPos, naturalGravityTextPos;
            Vector2 totalGravityNumberPos, artificialGravityNumberPos, naturalGravityNumberPos;
            Vector2 dividerLinePosition, dividerLineSize;
            MyGuiDrawAlignEnum backgroundAlignment, gravityTextAlignment = MyGuiDrawAlignEnum.HORISONTAL_RIGHT_AND_VERTICAL_TOP, gravityNumberAlignment = MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP;

            dividerLineSize = new Vector2(backgroundSize.X - backgroundTexture.PaddingSizeGui.X * 1f, backgroundSize.Y / 60f);

            if (indicator.Entity is MyCharacter)
            {
                backgroundAlignment = MyGuiDrawAlignEnum.HORISONTAL_RIGHT_AND_VERTICAL_BOTTOM;
                backgroundPosition = new Vector2(0.99f, 0.99f);
                backgroundPosition = ConvertHudToNormalizedGuiPosition(ref backgroundPosition);

                totalGravityTextPos = backgroundPosition - backgroundSize * new Vector2(0.35f, 1.075f);
                totalGravityNumberPos = totalGravityTextPos + new Vector2(0.0075f, 0.002f);
                dividerLinePosition = new Vector2(backgroundPosition.X - backgroundSize.X + backgroundTexture.PaddingSizeGui.X / 2.0f, totalGravityTextPos.Y) + new Vector2(0.0f, 0.026f);


                {
                    artificialGravityTextPos = new Vector2(totalGravityTextPos.X, dividerLinePosition.Y) + new Vector2(0.0f, 0.005f);
                    artificialGravityNumberPos = new Vector2(totalGravityNumberPos.X, artificialGravityTextPos.Y);
                    naturalGravityTextPos = artificialGravityTextPos + new Vector2(0.0f, 0.025f);
                    naturalGravityNumberPos = artificialGravityNumberPos + new Vector2(0.0f, 0.025f);
                }

                vectorPosition = backgroundPosition - backgroundSize * new Vector2(0.5f, 0.5f - 0.05f) + backgroundTexture.PaddingSizeGui * Vector2.UnitY * 0.5f;

                oxygenLevel = (indicator.Entity as MyCharacter).OxygenComponent != null ? (indicator.Entity as MyCharacter).OxygenComponent.EnvironmentOxygenLevel : 0f;
            }
            else
            {
                backgroundAlignment = MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_BOTTOM;
                backgroundPosition = new Vector2(0.01f, 1f - (characterInfo.Data.GetGuiHeight() + 0.02f));
                backgroundPosition = ConvertHudToNormalizedGuiPosition(ref backgroundPosition);

                gravityTextAlignment = MyGuiDrawAlignEnum.HORISONTAL_RIGHT_AND_VERTICAL_BOTTOM;
                gravityNumberAlignment = MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_BOTTOM;
                totalGravityTextPos = backgroundPosition + backgroundSize * new Vector2(1 - 0.35f, -0.99f) + backgroundTexture.PaddingSizeGui * Vector2.UnitY * 0.2f;
                totalGravityNumberPos = totalGravityNumberPos = totalGravityTextPos + new Vector2(0.0075f, 0.0025f);
                dividerLinePosition = new Vector2(backgroundPosition.X + backgroundTexture.PaddingSizeGui.X / 2.0f, totalGravityTextPos.Y - 0.022f) + new Vector2(0.0f, 0.026f);

                {
                    artificialGravityTextPos = new Vector2(totalGravityTextPos.X, dividerLinePosition.Y + 0.023f) + new Vector2(0.0f, 0.005f);
//.........这里部分代码省略.........

        /// <summary>
        /// Return position on middle screen based on real desired position on gamescreen.
        /// "Middle" make sense only for tripple monitors. For every else is middle screen all screen.
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        private static Vector2 GetRealPositionOnCenterScreen(Vector2 value)
        {
            Vector2 position;
            if (MyGuiManager.FullscreenHudEnabled)
                position = MyGuiManager.GetNormalizedCoordinateFromScreenCoordinate_FULLSCREEN(value);
            else
                position = MyGuiManager.GetNormalizedCoordinateFromScreenCoordinate(value);


            if (MyVideoSettingsManager.IsTripleHead())
                position.X += 1.0f;
            return position;
        }

        public override bool Draw()
        {
            if (m_transitionAlpha < 1.0f)
                return false;

            if (MyInput.Static.IsNewKeyPressed(MyKeys.J) && MyFakes.ENABLE_OBJECTIVE_LINE)
            {
                MyHud.ObjectiveLine.AdvanceObjective();
            }

            if (!MyHud.MinimalHud)
            {
                ProfilerShort.Begin("Marker rendering");
                ProfilerShort.Begin("m_markerRender.Draw");
                m_markerRender.Draw();
                ProfilerShort.BeginNextBlock("DrawTexts");
                DrawTexts();
                ProfilerShort.End();
                ProfilerShort.End();
            }

            m_toolbarControl.Visible = !(m_hiddenToolbar || MyHud.MinimalHud);

            Vector2 position = new Vector2(0.99f, 0.75f);
            if (MySession.Static.ControlledEntity is MyShipController) position.Y = 0.65f;
            position = ConvertHudToNormalizedGuiPosition(ref position);
            if (MyVideoSettingsManager.IsTripleHead())
                position.X += 1.0f;

            // TODO: refactor this
            m_blockInfo.Visible = MyHud.BlockInfo.Visible && !MyHud.MinimalHud;
            m_blockInfo.BlockInfo = m_blockInfo.Visible ? MyHud.BlockInfo : null;
            m_blockInfo.Position = position;
            m_blockInfo.OriginAlign = MyGuiDrawAlignEnum.HORISONTAL_RIGHT_AND_VERTICAL_BOTTOM;

            m_questlogControl.Visible = MyHud.Questlog.Visible && !MyHud.MinimalHud;
            //m_questlogControl.QuestInfo = MyHud.Questlog;
            //m_questlogControl.RecreateControls();
            //m_questlogControl.Position = GetRealPositionOnCenterScreen(Vector2.Zero);
            //m_questlogControl.OriginAlign = MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP;

            m_rotatingWheelControl.Visible = MyHud.RotatingWheelVisible && !MyHud.MinimalHud;

            m_chatControl.Visible = !(MyScreenManager.GetScreenWithFocus() is MyGuiScreenScenarioMpBase) && (!MyHud.MinimalHud || m_chatControl.HasFocus);

            if (!base.Draw())
                return false;

            var bgPos = new Vector2(0.01f, 0.85f);
            bgPos = MyGuiScreenHudBase.ConvertHudToNormalizedGuiPosition(ref bgPos);
            m_chatControl.Position = bgPos + new Vector2(0.17f, 0);
            m_chatControl.TextScale = 0.9f;

            bgPos = new Vector2(0.03f, 0.1f);
            bgPos = MyGuiScreenHudBase.ConvertHudToNormalizedGuiPosition(ref bgPos);
            m_cameraInfoMultilineControl.Position = bgPos;
            m_cameraInfoMultilineControl.TextScale = 0.9f;

            if (!MyHud.MinimalHud)
            {
                bool inNaturalGravity = false;
                var cockpit = MySession.Static.ControlledEntity as MyCockpit;
                if (cockpit != null)
                {
                    var characterPosition = cockpit.PositionComp.GetPosition();
                    inNaturalGravity = MyGravityProviderSystem.CalculateHighestNaturalGravityMultiplierInPoint(characterPosition) != 0;
                }

                if (inNaturalGravity)
                    DrawArtificialHorizonAndAltitude();
            }

            MyHud.Notifications.Draw();

            if (!MyHud.MinimalHud)
            {
                m_buildModeLabel.Visible = MyHud.IsBuildMode;

                m_blocksLeft.Text = MyHud.BlocksLeft.GetStringBuilder().ToString();
                m_blocksLeft.Visible = MyHud.BlocksLeft.Visible;

                if (MyHud.ShipInfo.Visible)
                    DrawShipInfo(MyHud.ShipInfo);

                if (MyHud.CharacterInfo.Visible)
                    DrawSuitInfo(MyHud.CharacterInfo);

                if (MyHud.ObjectiveLine.Visible && MyFakes.ENABLE_OBJECTIVE_LINE)
                    DrawObjectiveLine(MyHud.ObjectiveLine);

                if (MySandboxGame.Config.EnablePerformanceWarnings)
                {
                    foreach (var warning in MySimpleProfiler.CurrentWarnings)
                    {
                        if (warning.Value.Time < 120)
                        {
                            DrawPerformanceWarning();
                            break;
                        }
                    }
//.........这里部分代码省略.........

 private void DrawNetgraphStringValue(Vector2 position, StringBuilder sb, float scale = 0.6f)
 {
     MyGuiManager.DrawString(MyFontEnum.White, sb, position, scale, null, MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP);
 }

        private void DrawNetgraphBasicStrings(MyHudNetgraph netgraph, Vector2 initialPosition, Vector2 normalizedOffset)
        {
            StringBuilder sb = new StringBuilder();

            // Draw last received packet         
            sb.Append("In: ").Append(netgraph.LastPacketBytesReceived);
            DrawNetgraphStringValue(initialPosition, sb);

            // Draw average in
            sb.Clear();
            sb.Append("Avg In: ").Append(netgraph.AverageIncomingKBytes.ToString("0.##")).Append(" kB/s");
            initialPosition.X += normalizedOffset.X;
            DrawNetgraphStringValue(initialPosition, sb);

            // Draw last sent packet
            sb.Clear();
            sb.Append("Out: ").Append(netgraph.LastPacketBytesSent);
            initialPosition.X -= normalizedOffset.X;
            initialPosition.Y += normalizedOffset.Y;
            DrawNetgraphStringValue(initialPosition, sb);

            // Draw average out
            sb.Clear();
            sb.Append("Avg Out: ").Append(netgraph.AverageOutgoingKBytes.ToString("0.##")).Append(" kB/s");
            initialPosition.X += normalizedOffset.X;
            DrawNetgraphStringValue(initialPosition, sb);

            // Draw updates per second
            sb.Clear();
            sb.Append("UPS: ").Append(netgraph.UpdatesPerSecond);
            initialPosition.X -= normalizedOffset.X;
            initialPosition.Y += normalizedOffset.Y;
            DrawNetgraphStringValue(initialPosition, sb);

            // Draw frames per second
            sb.Clear();
            sb.Append("FPS: ").Append(netgraph.FramesPerSecond);
            initialPosition.X += normalizedOffset.X;
            DrawNetgraphStringValue(initialPosition, sb);

            // Draw latency
            sb.Clear();
            sb.Append("Ping: ").Append(netgraph.Ping);
            initialPosition.X -= normalizedOffset.X;
            initialPosition.Y += normalizedOffset.Y;
            DrawNetgraphStringValue(initialPosition, sb);
        }