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Update PrimitiveDrawing.cs

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Add a new DrawSolidCircle to add a fill color
This commit is contained in:
LACOMBE Dominique
2023-10-01 16:46:43 -04:00
committed by GitHub
parent 20fb26d6c1
commit 5b858d45ab
1 changed files with 25 additions and 0 deletions
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src/cs/MonoGame.Extended/VectorDraw/PrimitiveDrawing.cs
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@@ -122,6 +122,31 @@ namespace MonoGame.Extended.VectorDraw
DrawCircle(center, radius, color);
}
public void DrawSolidCircle(Vector2 center, float radius, Color color, Color fillcolor)
{
if (!_primitiveBatch.IsReady())
throw new InvalidOperationException("BeginCustomDraw must be called before drawing anything.");
const double increment = Math.PI * 2.0 / CircleSegments;
double theta = 0.0;
Vector2 v0 = center + radius * new Vector2((float)Math.Cos(theta), (float)Math.Sin(theta));
theta += increment;
for (int i = 1; i < CircleSegments - 1; i++)
{
Vector2 v1 = center + radius * new Vector2((float)Math.Cos(theta), (float)Math.Sin(theta));
Vector2 v2 = center + radius * new Vector2((float)Math.Cos(theta + increment), (float)Math.Sin(theta + increment));
_primitiveBatch.AddVertex(v0, fillcolor, PrimitiveType.TriangleList);
_primitiveBatch.AddVertex(v1, fillcolor, PrimitiveType.TriangleList);
_primitiveBatch.AddVertex(v2, fillcolor, PrimitiveType.TriangleList);
theta += increment;
}
DrawCircle(center, radius, color);
}
public void DrawSegment(Vector2 start, Vector2 end, Color color)
{