public virtual void projectOntoAxis(Point3f point)
{
// assumes axisA, axisB, and axisUnitVector are set;
vectorProjection.sub(point, axisA);
float projectedLength = vectorProjection.dot(axisUnitVector);
point.set_Renamed(axisUnitVector);
point.scaleAdd(projectedLength, axisA);
}
/// <summary> Transforms the point parameter with this Matrix4f and places the result
/// into pointOut. The fourth element of the point input paramter is assumed
/// to be one.
/// </summary>
/// <param name="point">the input point to be transformed.
/// </param>
/// <param name="pointOut">the transformed point
/// </param>
public void transform(Point3f point, Point3f pointOut)
{
pointOut.set_Renamed(m00 * point.x + m01 * point.y + m02 * point.z + m03, m10 * point.x + m11 * point.y + m12 * point.z + m13, m20 * point.x + m21 * point.y + m22 * point.z + m23);
}
public virtual void getLeadMidPoint(int groupIndex, Point3f midPoint)
{
if (groupIndex == monomerCount)
{
--groupIndex;
}
else if (groupIndex > 0)
{
midPoint.set_Renamed(getLeadPoint(groupIndex));
midPoint.add(getLeadPoint(groupIndex - 1));
midPoint.scale(0.5f);
return ;
}
midPoint.set_Renamed(getLeadPoint(groupIndex));
}
public void calcAtomsMinMax(Point3f pointMin, Point3f pointMax)
{
float minX, minY, minZ, maxX, maxY, maxZ;
Point3f pointT;
pointT = atoms[0].point3f;
minX = maxX = pointT.x;
minY = maxY = pointT.y;
minZ = maxZ = pointT.z;
for (int i = atomCount; --i > 0; )
{
// note that the 0 element was set above
pointT = atoms[i].point3f;
float t;
t = pointT.x;
if (t < minX)
minX = t;
else if (t > maxX)
maxX = t;
t = pointT.y;
if (t < minY)
minY = t;
else if (t > maxY)
maxY = t;
t = pointT.z;
if (t < minZ)
minZ = t;
else if (t > maxZ)
maxZ = t;
}
pointMin.set_Renamed(minX, minY, minZ);
pointMax.set_Renamed(maxX, maxY, maxZ);
}
/// <summary> Transforms the point parameter with this Matrix4d and places the result
/// into pointOut. The fourth element of the point input paramter is assumed
/// to be one.
/// </summary>
/// <param name="point">the input point to be transformed.
/// </param>
/// <param name="pointOut">the transformed point
/// </param>
public void transform(Point3f point, Point3f pointOut)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
pointOut.set_Renamed((float) (m00 * point.x + m01 * point.y + m02 * point.z + m03), (float) (m10 * point.x + m11 * point.y + m12 * point.z + m13), (float) (m20 * point.x + m21 * point.y + m22 * point.z + m23));
}
