public void SetMode(FTransformMode mode)
{
m_mode = mode;
switch (mode)
{
case FTransformMode.Translation:
m_deltaRotation = Quaternion.Identity;
m_deltaScale = Vector3.One;
break;
case FTransformMode.Rotation:
m_deltaTranslation = Vector3.Zero;
m_deltaScale = Vector3.One;
break;
case FTransformMode.Scale:
m_deltaTranslation = Vector3.Zero;
m_deltaRotation = Quaternion.Identity;
break;
}
}
private FAABox[] GetAABBBoundsForMode(FTransformMode mode)
{
switch (mode)
{
case FTransformMode.Translation:
float boxLength = 100f;
float boxHalfWidth = 5;
var translationAABB = new[]
{
// X Axis
new FAABox(new Vector3(0, -boxHalfWidth, -boxHalfWidth), new Vector3(boxLength, boxHalfWidth, boxHalfWidth)),
// Y Axis
new FAABox(new Vector3(-boxHalfWidth, 0, -boxHalfWidth), new Vector3(boxHalfWidth, boxLength, boxHalfWidth)),
// Z Axis
new FAABox(new Vector3(-boxHalfWidth, -boxHalfWidth, 0), new Vector3(boxHalfWidth, boxHalfWidth, boxLength)),
// XY Axes
new FAABox(new Vector3(0, 0, -2), new Vector3(boxHalfWidth * 6, boxHalfWidth * 6, 2)),
// YZ Axes
new FAABox(new Vector3(0, -2, 0), new Vector3(boxHalfWidth * 6, 2, boxHalfWidth * 6)),
// XZ Axes
new FAABox(new Vector3(-2, 0, 0), new Vector3(2, boxHalfWidth * 6, boxHalfWidth * 6)),
};
for (int i = 0; i < translationAABB.Length; i++)
{
translationAABB[i].ScaleBy(m_scale);
}
return(translationAABB);
case FTransformMode.Rotation:
float radius = 100f;
var rotationAABB = new[]
{
// X Axis (YZ Plane)
new FAABox(new Vector3(-2, 0, 0), new Vector3(2, radius, radius)),
// Y Axis (XZ Plane)
new FAABox(new Vector3(0, -2, 0), new Vector3(radius, 2, radius)),
// Z Axis (XY Plane)
new FAABox(new Vector3(0, 0, -2), new Vector3(radius, radius, 2)),
};
for (int i = 0; i < rotationAABB.Length; i++)
{
rotationAABB[i].ScaleBy(m_scale);
}
return(rotationAABB);
case FTransformMode.Scale:
float scaleLength = 100f;
float scaleHalfWidth = 5;
float scaleCornerSize = 38;
var scaleAABB = new[]
{
// X Axis
new FAABox(new Vector3(0, -scaleHalfWidth, -scaleHalfWidth), new Vector3(scaleLength, scaleHalfWidth, scaleHalfWidth)),
// Y Axis
new FAABox(new Vector3(-scaleHalfWidth, 0, -scaleHalfWidth), new Vector3(scaleHalfWidth, scaleLength, scaleHalfWidth)),
// Z Axis
new FAABox(new Vector3(-scaleHalfWidth, -scaleHalfWidth, 0), new Vector3(scaleHalfWidth, scaleHalfWidth, scaleLength)),
// YX Axes
new FAABox(new Vector3(0, 0, -2), new Vector3(scaleCornerSize, scaleCornerSize, 2)),
// YZ Axes
new FAABox(new Vector3(0, -2, 0), new Vector3(scaleCornerSize, 2, scaleCornerSize)),
// XZ Axes
new FAABox(new Vector3(-2, 0, 0), new Vector3(2, scaleCornerSize, scaleCornerSize)),
// Center
new FAABox(new Vector3(-7, -7, -7), new Vector3(7, 7, 7))
};
for (int i = 0; i < scaleAABB.Length; i++)
{
scaleAABB[i].ScaleBy(m_scale);
}
return(scaleAABB);
}
return(new FAABox[0]);
}
