30 lines
983 B
C#
30 lines
983 B
C#
using System.Collections.Generic;
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using Engine.Core;
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namespace Engine.Systems.Graphics;
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public class DrawableShape2D : Behaviour2D, IDrawableTriangle, IPreDraw
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{
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private readonly Shape2D shape = new([]);
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private readonly List<Triangle> worldTriangles = [];
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private readonly Shape2D worldShape = new([]);
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protected ColorRGB color = new(255, 255, 255);
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public void PreDraw() => UpdateWorldShape();
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public void Draw(ITriangleBatch triangleBatch)
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{
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worldShape.ToTrianglesConvex(worldTriangles);
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foreach (Triangle triangle in worldTriangles)
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triangleBatch.Draw(new(triangle.C, triangle.B, triangle.A), color);
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}
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protected void UpdateWorldShape() => shape.Transform(Transform, worldShape);
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public DrawableShape2D() => shape = Shape2D.Triangle;
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public DrawableShape2D(Shape2D shape) => this.shape = shape;
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public DrawableShape2D(Shape2D shape, ColorRGB color) { this.shape = shape; this.color = color; }
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}
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