UltimateZoneBuilder/Source/Core/GZBuilder/Data/BoundingBox.cs

68 lines
2.1 KiB
C#

using CodeImp.DoomBuilder.Rendering;
using SlimDX;
namespace CodeImp.DoomBuilder.GZBuilder.Data
{
public struct BoundingBoxSizes
{
public short MinX;
public short MaxX;
public short MinY;
public short MaxY;
public short MinZ;
public short MaxZ;
//we need some reference here
public BoundingBoxSizes(WorldVertex v) {
MinX = MaxX = (short)v.x;
MinY = MaxY = (short)v.y;
MinZ = MaxZ = (short)v.z;
}
}
public static class BoundingBoxTools
{
//this creates array of vectors resembling bounding box
public static Vector3[] CalculateBoundingBox(BoundingBoxSizes bbs) {
//center
Vector3 v0 = new Vector3(bbs.MinX + (bbs.MaxX - bbs.MinX) / 2, bbs.MinY + (bbs.MaxY - bbs.MinY) / 2, bbs.MinZ + (bbs.MaxZ - bbs.MinZ) / 2);
//corners
Vector3 v1 = new Vector3(bbs.MinX, bbs.MinY, bbs.MinZ);
Vector3 v2 = new Vector3(bbs.MaxX, bbs.MinY, bbs.MinZ);
Vector3 v3 = new Vector3(bbs.MinX, bbs.MaxY, bbs.MinZ);
Vector3 v4 = new Vector3(bbs.MaxX, bbs.MaxY, bbs.MinZ);
Vector3 v5 = new Vector3(bbs.MinX, bbs.MinY, bbs.MaxZ);
Vector3 v6 = new Vector3(bbs.MaxX, bbs.MinY, bbs.MaxZ);
Vector3 v7 = new Vector3(bbs.MinX, bbs.MaxY, bbs.MaxZ);
Vector3 v8 = new Vector3(bbs.MaxX, bbs.MaxY, bbs.MaxZ);
return new Vector3[] { v0, v1, v2, v3, v4, v5, v6, v7, v8 };
}
public static Vector3[] CalculateBoundingPlane(BoundingBoxSizes bbs) {
//mxd. looks like I need only these 2 points, so...
//center
Vector3 v0 = new Vector3(bbs.MinX + (bbs.MaxX - bbs.MinX) / 2, bbs.MinY + (bbs.MaxY - bbs.MinY) / 2, bbs.MinZ + (bbs.MaxZ - bbs.MinZ) / 2);
Vector3 v1 = new Vector3(bbs.MinX, bbs.MinY, bbs.MinZ);
return new Vector3[] { v0, v1 };
}
public static void UpdateBoundingBoxSizes(ref BoundingBoxSizes bbs, WorldVertex v) {
if (v.x < bbs.MinX)
bbs.MinX = (short)v.x;
else if (v.x > bbs.MaxX)
bbs.MaxX = (short)v.x;
if (v.z < bbs.MinZ)
bbs.MinZ = (short)v.z;
else if (v.z > bbs.MaxZ)
bbs.MaxZ = (short)v.z;
if (v.y < bbs.MinY)
bbs.MinY = (short)v.y;
else if (v.y > bbs.MaxY)
bbs.MaxY = (short)v.y;
}
}
}