OrdinaryMagician/vkdoom_m
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- added Screen.DrawThickLine for drawing lines with thickness

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Jonathan Russell 2018-08-30 16:49:10 +01:00 • committed by Christoph Oelckers
commit ea81ab4097
5 changed files with 63 additions and 0 deletions
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40
src/v_2ddrawer.cpp
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@ -594,6 +594,46 @@ void F2DDrawer::AddLine(int x1, int y1, int x2, int y2, int palcolor, uint32_t c
//
//==========================================================================
void F2DDrawer::AddThickLine(int x1, int y1, int x2, int y2, double thickness, uint32_t color)
{
PalEntry p = (PalEntry)color;
DVector2 point0(x1, y1);
DVector2 point1(x2, y2);
DVector2 delta = point1 - point0;
DVector2 perp(-delta.Y, delta.X);
perp.MakeUnit();
perp *= thickness / 2;
DVector2 corner0 = point0 + perp;
DVector2 corner1 = point0 - perp;
DVector2 corner2 = point1 + perp;
DVector2 corner3 = point1 - perp;
RenderCommand dg;
dg.mType = DrawTypeTriangles;
dg.mVertCount = 4;
dg.mVertIndex = (int)mVertices.Reserve(4);
dg.mRenderStyle = LegacyRenderStyles[STYLE_Translucent];
auto ptr = &mVertices[dg.mVertIndex];
ptr->Set(corner0.X, corner0.Y, 0, 0, 0, p); ptr++;
ptr->Set(corner1.X, corner1.Y, 0, 0, 0, p); ptr++;
ptr->Set(corner2.X, corner2.Y, 0, 0, 0, p); ptr++;
ptr->Set(corner3.X, corner3.Y, 0, 0, 0, p); ptr++;
dg.mIndexIndex = mIndices.Size();
dg.mIndexCount += 6;
AddIndices(dg.mVertIndex, 6, 0, 1, 2, 1, 3, 2);
AddCommand(&dg);
}
//==========================================================================
//
//
//
//==========================================================================
void F2DDrawer::AddPixel(int x1, int y1, int palcolor, uint32_t color)
{
PalEntry p = color ? (PalEntry)color : GPalette.BaseColors[palcolor];