30 lines
1.1 KiB
C#
30 lines
1.1 KiB
C#
using Syntriax.Engine.Core;
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using Syntriax.Engine.Integration.MonoGame;
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namespace Pong.Behaviours;
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public class CircleBehaviour : Syntriax.Engine.Physics2D.Collider2DCircleBehaviour, IDrawableTriangle
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{
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private const float CIRCLE_SEGMENT_COUNT = 32f;
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public ColorRGBA Color { get; set; } = new ColorRGBA(255, 255, 255);
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public void Draw(ITriangleBatch triangleBatch)
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{
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Recalculate();
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for (int i = 0; i < CIRCLE_SEGMENT_COUNT; i++)
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{
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float iPi1 = i / CIRCLE_SEGMENT_COUNT * 2f * Math.PI;
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float iPi2 = (i + 1f).Mod(CIRCLE_SEGMENT_COUNT) / CIRCLE_SEGMENT_COUNT * 2f * Math.PI;
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Vector2D firstVertex = new Vector2D(Math.Sin(iPi1), Math.Cos(iPi1)) * CircleWorld.Radius;
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Vector2D secondVertex = new Vector2D(Math.Sin(iPi2), Math.Cos(iPi2)) * CircleWorld.Radius;
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triangleBatch.Draw(new(CircleWorld.Center, CircleWorld.Center + firstVertex, CircleWorld.Center + secondVertex), Color);
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}
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}
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public CircleBehaviour(Circle circle) : base(circle) { }
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public CircleBehaviour(Circle circle, ColorRGBA color) : base(circle) { Color = color; }
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}
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