Syntriax/Syntriax.Engine
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fix: triangle batch not drawing transparent colors properly

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Syntriax
2026-03-31 22:51:59 +03:00
parent b35124aa6d
commit cb1e0aa0a7
1 changed files with 6 additions and 2 deletions
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6
Engine.Integration/Engine.Integration.MonoGame/MonoGameTriangleBatch.cs
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@@ -39,7 +39,7 @@ public class MonoGameTriangleBatch : Behaviour, ITriangleBatch, IFirstFrameUpdat
Vector2 A = triangle.A.ToVector2(); Vector2 A = triangle.A.ToVector2();
Vector2 B = triangle.B.ToVector2(); Vector2 B = triangle.B.ToVector2();
Vector2 C = triangle.C.ToVector2(); Vector2 C = triangle.C.ToVector2();
Color color = colorRGBA.ToColor(); Color color = colorRGBA.ToPreMultipliedColor();
vertices[verticesIndex++] = new(new(A.X, A.Y, 0f), color); vertices[verticesIndex++] = new(new(A.X, A.Y, 0f), color);
vertices[verticesIndex++] = new(new(B.X, B.Y, 0f), color); vertices[verticesIndex++] = new(new(B.X, B.Y, 0f), color);
@@ -60,6 +60,8 @@ public class MonoGameTriangleBatch : Behaviour, ITriangleBatch, IFirstFrameUpdat
return; return;
graphicsDevice.RasterizerState = rasterizerState; graphicsDevice.RasterizerState = rasterizerState;
graphicsDevice.BlendState = BlendState.AlphaBlend;
basicEffect.Projection = projection; basicEffect.Projection = projection;
basicEffect.View = view; basicEffect.View = view;
vertexBuffer.SetData(vertices); vertexBuffer.SetData(vertices);
@@ -67,8 +69,10 @@ public class MonoGameTriangleBatch : Behaviour, ITriangleBatch, IFirstFrameUpdat
graphicsDevice.SetVertexBuffer(vertexBuffer); graphicsDevice.SetVertexBuffer(vertexBuffer);
foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes) foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes)
{
pass.Apply(); pass.Apply();
graphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, verticesIndex / 3); graphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, verticesIndex / 3);
}
verticesIndex = 0; verticesIndex = 0;
} }