public static bool computeSplitPlane(List <float3> vertices, List <int> indices, ref float4 plane)
{
float[] bmin = { Single.MaxValue, Single.MaxValue, Single.MaxValue };
float[] bmax = { Single.MinValue, Single.MinValue, Single.MinValue };
for (int i = 0; i < vertices.Count; i++)
{
float3 p = vertices[i];
if (p[0] < bmin[0])
{
bmin[0] = p[0];
}
if (p[1] < bmin[1])
{
bmin[1] = p[1];
}
if (p[2] < bmin[2])
{
bmin[2] = p[2];
}
if (p[0] > bmax[0])
{
bmax[0] = p[0];
}
if (p[1] > bmax[1])
{
bmax[1] = p[1];
}
if (p[2] > bmax[2])
{
bmax[2] = p[2];
}
}
float dx = bmax[0] - bmin[0];
float dy = bmax[1] - bmin[1];
float dz = bmax[2] - bmin[2];
float laxis = dx;
int axis = 0;
if (dy > dx)
{
axis = 1;
laxis = dy;
}
if (dz > dx && dz > dy)
{
axis = 2;
laxis = dz;
}
float[] p1 = new float[3];
float[] p2 = new float[3];
float[] p3 = new float[3];
p3[0] = p2[0] = p1[0] = bmin[0] + dx * 0.5f;
p3[1] = p2[1] = p1[1] = bmin[1] + dy * 0.5f;
p3[2] = p2[2] = p1[2] = bmin[2] + dz * 0.5f;
Rect3d b = new Rect3d(bmin, bmax);
Rect3d b1 = new Rect3d();
Rect3d b2 = new Rect3d();
splitRect(axis, b, b1, b2, p1);
switch (axis)
{
case 0:
p2[1] = bmin[1];
p2[2] = bmin[2];
if (dz > dy)
{
p3[1] = bmax[1];
p3[2] = bmin[2];
}
else
{
p3[1] = bmin[1];
p3[2] = bmax[2];
}
break;
case 1:
p2[0] = bmin[0];
p2[2] = bmin[2];
if (dx > dz)
{
p3[0] = bmax[0];
p3[2] = bmin[2];
}
else
{
p3[0] = bmin[0];
p3[2] = bmax[2];
}
break;
case 2:
p2[0] = bmin[0];
p2[1] = bmin[1];
if (dx > dy)
{
p3[0] = bmax[0];
p3[1] = bmin[1];
}
else
{
p3[0] = bmin[0];
p3[1] = bmax[1];
}
break;
}
computePlane(p1, p2, p3, plane);
return(true);
}
public void setxyz(float3 xyz)
{
x = xyz.x;
y = xyz.y;
z = xyz.z;
}
public static float4 Homogenize(float3 v3)
{
return(Homogenize(v3, 1.0f));
}
//C++ TO C# CONVERTER NOTE: C# does not allow default values for parameters. Overloaded methods are inserted above.
//ORIGINAL LINE: float4 Homogenize(const float3 &v3, const float &w =1.0f)
public static float4 Homogenize(float3 v3, float w)
{
return(new float4(v3.x, v3.y, v3.z, w));
}