public BoundingBox getWorldBounds(Matrix4 o2w)
{
BoundingBox bounds = new BoundingBox();
if (o2w == null)
{
for (int i = 0; i < points.Length; i += 3)
bounds.include(points[i], points[i + 1], points[i + 2]);
}
else
{
// transform vertices first
for (int i = 0; i < points.Length; i += 3)
{
float x = points[i];
float y = points[i + 1];
float z = points[i + 2];
float wx = o2w.transformPX(x, y, z);
float wy = o2w.transformPY(x, y, z);
float wz = o2w.transformPZ(x, y, z);
bounds.include(wx, wy, wz);
}
}
return bounds;
}
/**
* Create a new ray by transforming the supplied one by the given matrix. If
* the matrix is <code>null</code>, the original ray is returned.
*
* @param m matrix to transform the ray by
*/
public Ray transform(Matrix4 m)
{
if (m == null)
return this;
Ray r = new Ray();
r.ox = m.transformPX(ox, oy, oz);
r.oy = m.transformPY(ox, oy, oz);
r.oz = m.transformPZ(ox, oy, oz);
r.dx = m.transformVX(dx, dy, dz);
r.dy = m.transformVY(dx, dy, dz);
r.dz = m.transformVZ(dx, dy, dz);
r.tMin = tMin;
r.tMax = tMax;
return r;
}
public BoundingBox getWorldBounds(Matrix4 o2w)
{
BoundingBox bounds = new BoundingBox();
if (o2w == null)
{
for (int i = 0; i < triangleMesh.uvs.data.Length; i += 2)
bounds.include(triangleMesh.uvs.data[i], triangleMesh.uvs.data[i + 1], 0);
}
else
{
// transform vertices first
for (int i = 0; i < triangleMesh.uvs.data.Length; i += 2)
{
float x = triangleMesh.uvs.data[i];
float y = triangleMesh.uvs.data[i + 1];
float wx = o2w.transformPX(x, y, 0);
float wy = o2w.transformPY(x, y, 0);
float wz = o2w.transformPZ(x, y, 0);
bounds.include(wx, wy, wz);
}
}
return bounds;
}
public BoundingBox getWorldBounds(Matrix4 o2w)
{
BoundingBox bounds = new BoundingBox();
if (o2w == null)
{
for (int i = 0; i < patches.Length; i++)
{
float[] patch = patches[i];
for (int j = 0; j < patch.Length; j += 3)
bounds.include(patch[j], patch[j + 1], patch[j + 2]);
}
}
else
{
// transform vertices first
for (int i = 0; i < patches.Length; i++)
{
float[] patch = patches[i];
for (int j = 0; j < patch.Length; j += 3)
{
float x = patch[j];
float y = patch[j + 1];
float z = patch[j + 2];
float wx = o2w.transformPX(x, y, z);
float wy = o2w.transformPY(x, y, z);
float wz = o2w.transformPZ(x, y, z);
bounds.include(wx, wy, wz);
}
}
}
return bounds;
}