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Make triangle edges smooth again

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This commit is contained in:
Thomas Müller
2017-05-29 18:20:51 +02:00
parent d1517257dd
commit 2f063ee41d
1 changed files with 18 additions and 4 deletions
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22
osu.Game/Graphics/Backgrounds/Triangles.cs
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@ -24,6 +24,12 @@ namespace osu.Game.Graphics.Backgrounds
{ {
private const float triangle_size = 100; private const float triangle_size = 100;
/// <summary>
/// How many screen-space pixels are smoothed over.
/// Same behavior as Sprite's EdgeSmoothness.
/// </summary>
private const float edge_smoothness = 1;
public override bool HandleInput => false; public override bool HandleInput => false;
public Color4 ColourLight = Color4.White; public Color4 ColourLight = Color4.White;
@ -211,20 +217,28 @@ namespace osu.Game.Graphics.Backgrounds
Shader.Bind(); Shader.Bind();
Texture.TextureGL.Bind(); Texture.TextureGL.Bind();
Vector2 localInflationAmount = edge_smoothness * DrawInfo.MatrixInverse.ExtractScale().Xy;
foreach (TriangleParticle particle in Parts) foreach (TriangleParticle particle in Parts)
{ {
var offset = new Vector2(particle.Scale * 0.5f, particle.Scale * 0.866f); var offset = triangle_size * new Vector2(particle.Scale * 0.5f, particle.Scale * 0.866f);
var size = new Vector2(2 * offset.X, offset.Y);
var triangle = new Triangle( var triangle = new Triangle(
particle.Position * Size * DrawInfo.Matrix, particle.Position * Size * DrawInfo.Matrix,
(particle.Position * Size + offset * triangle_size) * DrawInfo.Matrix, (particle.Position * Size + offset) * DrawInfo.Matrix,
(particle.Position * Size + new Vector2(-offset.X, offset.Y) * triangle_size) * DrawInfo.Matrix (particle.Position * Size + new Vector2(-offset.X, offset.Y)) * DrawInfo.Matrix
); );
ColourInfo colourInfo = DrawInfo.Colour; ColourInfo colourInfo = DrawInfo.Colour;
colourInfo.ApplyChild(particle.Colour); colourInfo.ApplyChild(particle.Colour);
Texture.DrawTriangle(triangle, colourInfo, null, Shared.VertexBatch.Add); Texture.DrawTriangle(
triangle,
colourInfo,
null,
Shared.VertexBatch.Add,
Vector2.Divide(localInflationAmount, size));
} }
Shader.Unbind(); Shader.Unbind();