Makes the cooldown graphic look cooler (#994)

This commit is contained in:
Tomeno
2020-05-25 14:07:19 +02:00
committed by GitHub
parent 29f21dfe58
commit 7d10c99070

View File

@@ -15,19 +15,21 @@ namespace Robust.Client.UserInterface.Controls
const int maxSegments = 64;
const float segment = MathHelper.TwoPi / maxSegments;
var segments = (int)Math.Max(2, Math.Ceiling(maxSegments * Fraction)); // ensure that we always have 3 vertices
var segments = (int)Math.Max(2, Math.Ceiling(maxSegments * Fraction)); // ensure that we always have at least 3 vertices
var max = MathHelper.TwoPi * Fraction;
var radius = (Math.Min(SizeBox.Height, SizeBox.Width) / 2) * 0.875f; // 28/32 = 0.875 - 2 pixels inwards from the edge
var ring_radius = (Math.Min(SizeBox.Height, SizeBox.Width) / 2) * 0.5625f;
Span<Vector2> vertices = stackalloc Vector2[segments + 1];
vertices[0] = PixelPosition + SizeBox.Center;
Span <Vector2> vertices = stackalloc Vector2[segments * 2];
var center = PixelPosition + SizeBox.Center;
for (int i = 0; i < segments; i++)
{
var angle = MathHelper.Pi + Math.Min(max, segment * i);
vertices[i + 1] = vertices[0] + new Vector2((float) Math.Sin(angle) * radius, (float) Math.Cos(angle) * radius);
vertices[2*i] = center + new Vector2((float) Math.Sin(angle) * radius, (float) Math.Cos(angle) * radius);
vertices[2*i + 1] = center + new Vector2((float) Math.Sin(angle) * ring_radius, (float) Math.Cos(angle) * ring_radius);
}
handle.DrawPrimitives(DrawPrimitiveTopology.TriangleFan, vertices, new Color(0.3f, 0.3f, 0.4f, 0.5f));
handle.DrawPrimitives(DrawPrimitiveTopology.TriangleStrip, vertices, new Color(0.3f, 0.3f, 0.4f, 0.75f));
}
}
}