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Graphics.DrawLine, DrawBatch fixes

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This commit is contained in:
Brian Fiete 2023-07-26 09:39:14 -07:00
parent a269a19ed8
commit 40f3baf127
4 changed files with 66 additions and 14 deletions
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3
BeefLibs/Beefy2D/src/geom/Point.bf
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@ -14,5 +14,8 @@ namespace Beefy.geom
this.x = x;
this.y = y;
}
public static Point operator-(Self lhs, Self rhs) => .(lhs.x - rhs.x, lhs.y - rhs.y);
public static Point operator+(Self lhs, Self rhs) => .(lhs.x + rhs.x, lhs.y + rhs.y);
}
}

37
BeefLibs/Beefy2D/src/gfx/Graphics.bf
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@ -47,6 +47,7 @@ namespace Beefy.gfx
public RenderState mDefaultRenderState ~ delete _;
public Font mFont;
public Image mWhiteDot ~ delete _;
public List<Image> mWhiteBorderedSquares = new .() ~ DeleteContainerAndItems!(_);
public float ZDepth { get; set; }
protected DisposeProxy mMatrixDisposeProxy ~ delete _;
@ -512,6 +513,15 @@ namespace Beefy.gfx
Gfx_SetRenderState(mRenderStateStack[--mRenderStateStackIdx].mNativeRenderState);
}
public Image GetBorderedWhiteSquare(int borderSize)
{
if (borderSize >= mWhiteBorderedSquares.Count)
mWhiteBorderedSquares.Count = borderSize + 1;
if (mWhiteBorderedSquares[borderSize] == null)
mWhiteBorderedSquares[borderSize] = Image.LoadFromFile(scope $"!square{borderSize}");
return mWhiteBorderedSquares[borderSize];
}
public void Draw(RenderCmd renderCmd)
{
Gfx_QueueRenderCmd(renderCmd.mNativeRenderCmd);
@ -919,7 +929,32 @@ namespace Beefy.gfx
Gfx_CopyDrawVertex(4, 1);
Gfx_SetDrawVertex(5, m.tx + (m.a + m.c), m.ty + (m.b + m.d), 0, 0, 0, Color.Mult(mColor, colorBotRight));
}
public void DrawLine(float x0, float y0, float x1, float y1, float width = 1.0f)
{
Image img = GetBorderedWhiteSquare(Math.Max((int)width, 1));
float ang = Math.Atan2(y1 - y0, x1 - x0);
// Add 1 pixel to account for transparent border
float radius = (width / 2) + 1;
float xOfs = Math.Cos(ang + Math.PI_f / 2) * radius;
float yOfs = Math.Sin(ang + Math.PI_f / 2) * radius;
//TODO: Multiply color
Gfx_AllocTris(img.mNativeTextureSegment, 6);
Gfx_SetDrawVertex(0, x0 - xOfs, y0 - yOfs, 0, 0, 0.5f, mColor);
Gfx_SetDrawVertex(1, x0 + xOfs, y0 + yOfs, 0, 1.0f, 0.5f, mColor);
Gfx_SetDrawVertex(2, x1 - xOfs, y1 - yOfs, 0, 0, 0.5f, mColor);
Gfx_CopyDrawVertex(3, 2);
Gfx_CopyDrawVertex(4, 1);
Gfx_SetDrawVertex(5, x1 + xOfs, y1 + yOfs, 0, 1.0f, 0.5f, mColor);
}
public void PolyStart(Image image, int32 vertices)
{
Gfx_AllocTris(image.mNativeTextureSegment, vertices);