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Switch-Toolbox/Switch_Toolbox_Library/Rendering/DrawableBoundingBox.cs

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2.1 KiB
C#
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using OpenTK.Graphics.OpenGL;
using OpenTK;
namespace Switch_Toolbox.Library.Rendering
{
public class DrawableBoundingBox
{
public static List<Vector3> GetBoundingVertices(Vector3 Min, Vector3 Max)
{
var vertices = new List<Vector3>();
vertices.Add(new Vector3(Min.X, Min.Y, Min.Z));
vertices.Add(new Vector3(Min.X, Min.Y, Max.Z));
vertices.Add(new Vector3(Min.X, Max.Y, Min.Z));
vertices.Add(new Vector3(Min.X, Max.Y, Max.Z));
vertices.Add(new Vector3(Max.X, Min.Y, Min.Z));
vertices.Add(new Vector3(Max.X, Min.Y, Max.Z));
vertices.Add(new Vector3(Max.X, Max.Y, Min.Z));
vertices.Add(new Vector3(Max.X, Max.Y, Max.Z));
return vertices;
}
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public static void DrawBoundingBox(Vector3 Min, Vector3 Max, Vector3 Position)
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{
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GL.MatrixMode(MatrixMode.Modelview);
GL.PushMatrix();
GL.LoadIdentity();
GL.Translate(0,0,0);
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var vertices = GetBoundingVertices(Min, Max);
GL.Begin(PrimitiveType.LineLoop);
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GL.Vertex3(Position + vertices[0]);
GL.Vertex3(Position + vertices[1]);
GL.Vertex3(Position + vertices[3]);
GL.Vertex3(Position + vertices[2]);
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GL.End();
GL.Begin(PrimitiveType.LineLoop);
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GL.Vertex3(Position + vertices[4]);
GL.Vertex3(Position + vertices[5]);
GL.Vertex3(Position + vertices[7]);
GL.Vertex3(Position + vertices[6]);
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GL.End();
GL.Begin(PrimitiveType.Lines);
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GL.Vertex3(Position + vertices[0]);
GL.Vertex3(Position + vertices[4]);
GL.Vertex3(Position + vertices[1]);
GL.Vertex3(Position + vertices[5]);
GL.Vertex3(Position + vertices[3]);
GL.Vertex3(Position + vertices[7]);
GL.Vertex3(Position + vertices[2]);
GL.Vertex3(Position + vertices[6]);
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GL.End();
}
}
}