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Added grid view to AnimationPreview in AnimationEditor

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This commit is contained in:
quinnvoker
2018-12-19 21:55:59 -08:00
parent abd0246c8e
commit 51d27750c5
1 changed files with 60 additions and 4 deletions
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AnimationEditor/AnimationPreview.cs
+60 -4
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@@ -20,6 +20,10 @@ namespace AnimationEditor
public float ZoomLevel { get; set; }
public Sprite EditSprite { get; set; }
public int GridSpacing { get; set; }
private Texture2D gridLine;
private bool hovering;
private bool dragging;
private MouseState mState;
@@ -27,7 +31,7 @@ namespace AnimationEditor
private Vector2 centerPoint
{
get { return new Vector2((Editor.graphics.PresentationParameters.BackBufferWidth / 2) / ZoomLevel, (Editor.graphics.PresentationParameters.BackBufferHeight / 2) / ZoomLevel); }
get { return new Vector2((Editor.graphics.PresentationParameters.BackBufferWidth / 2), (Editor.graphics.PresentationParameters.BackBufferHeight / 2)); }
}
private EventHandler onFrameChanged;
@@ -74,6 +78,9 @@ namespace AnimationEditor
protected override void Initialize()
{
base.Initialize();
gridLine = new Texture2D(Editor.graphics, 1, 1);
gridLine.SetData(new Color[] { Color.White });
GridSpacing = 8;
ZoomLevel = 1;
}
@@ -104,7 +111,7 @@ namespace AnimationEditor
mState = Mouse.GetState();
if(EditSprite != null)
{
Rectangle spriteRect = new Rectangle((int)(centerPoint.X * ZoomLevel), (int)(centerPoint.Y * ZoomLevel), (int)(EditSprite.Bounds.Width * ZoomLevel), (int)(EditSprite.Bounds.Height * ZoomLevel));
Rectangle spriteRect = new Rectangle((int)(centerPoint.X), (int)(centerPoint.Y), (int)(EditSprite.Bounds.Width * ZoomLevel), (int)(EditSprite.Bounds.Height * ZoomLevel));
spriteRect.Offset((EditSprite.Offset - EditSprite.Origin) * ZoomLevel);
if (Bounds.Contains(mState.X, mState.Y))
@@ -175,15 +182,64 @@ namespace AnimationEditor
{
base.Draw();
Matrix scaleMatrix = Matrix.CreateScale(ZoomLevel);
Matrix translationMatrix = Matrix.CreateTranslation(new Vector3(centerPoint, 0));
Editor.graphics.Clear(Color.DimGray);
Editor.spriteBatch.Begin(transformMatrix:translationMatrix);
DrawGrid();
Editor.spriteBatch.End();
if (ZoomLevel >= 1)
Editor.spriteBatch.Begin(samplerState: SamplerState.PointClamp, transformMatrix: scaleMatrix);
Editor.spriteBatch.Begin(samplerState: SamplerState.PointClamp, transformMatrix: scaleMatrix * translationMatrix);
else
Editor.spriteBatch.Begin(transformMatrix: scaleMatrix);
PreviewSprite?.Draw(Editor.spriteBatch, SpriteSheet, centerPoint, Color.White);
PreviewSprite?.Draw(Editor.spriteBatch, SpriteSheet, Vector2.Zero, Color.White);
Editor.spriteBatch.End();
}
private void DrawGrid()
{
int horizontalIterations = (int)(Editor.graphics.PresentationParameters.BackBufferHeight / GridSpacing / 2);
int verticalIterations = (int)(Editor.graphics.PresentationParameters.BackBufferWidth / GridSpacing / 2);
int offset = GridSpacing * (int)ZoomLevel;
Color currentDrawColor = new Color(115, 113, 110);
for (int index = 0; index <= horizontalIterations || index <= verticalIterations; index++)
{
DrawHorizontalGridLine(offset, currentDrawColor);
DrawHorizontalGridLine(-offset, currentDrawColor);
DrawVerticalGridLine(offset, currentDrawColor);
DrawVerticalGridLine(-offset, currentDrawColor);
offset += GridSpacing * (int)ZoomLevel;
}
currentDrawColor = new Color(155, 145, 130);
offset = 0;
for (int index = 0; index <= horizontalIterations || index <= verticalIterations; index += 2)
{
DrawHorizontalGridLine(offset, currentDrawColor);
DrawHorizontalGridLine(-offset, currentDrawColor);
DrawVerticalGridLine(offset, currentDrawColor);
DrawVerticalGridLine(-offset, currentDrawColor);
offset += GridSpacing * (int)ZoomLevel * 2;
}
currentDrawColor = new Color(204, 204, 204);
DrawHorizontalGridLine(0, currentDrawColor);
DrawVerticalGridLine(0, currentDrawColor);
}
private void DrawHorizontalGridLine(int y, Color color)
{
Editor.spriteBatch.Draw(gridLine, new Rectangle(0 - (int)centerPoint.X, y, Editor.graphics.PresentationParameters.BackBufferWidth, 1), color);
}
private void DrawVerticalGridLine(int x, Color color)
{
Editor.spriteBatch.Draw(gridLine, new Rectangle(x, 0 - (int)centerPoint.Y, 1, Editor.graphics.PresentationParameters.BackBufferHeight), color);
}
}
}