void OnSceneGUI()
{
PAExclusionZone zone = target as PAExclusionZone;
if (zone)
{
DrawBoxGizmo(zone);
PAParticleFieldInspector.DrawWireCube(Vector3.zero, zone.edgeThreshold, zone.transform, new Color(1, 1, 1, 0.5f));
}
}
void DrawBoxGizmo(PAExclusionZone zone)
{
Vector3 Pos = zone.transform.position;
// Calculate the handle positions
mHandlePositions [0] = zone.transform.TransformPoint(0.5f, 0, 0);
mHandlePositions [1] = zone.transform.TransformPoint(-0.5f, 0, 0);
mHandlePositions [2] = zone.transform.TransformPoint(0, 0.5f, 0);
mHandlePositions [3] = zone.transform.TransformPoint(0, -0.5f, 0);
mHandlePositions [4] = zone.transform.TransformPoint(0, 0, 0.5f);
mHandlePositions [5] = zone.transform.TransformPoint(0, 0, -0.5f);
PAParticleFieldInspector.DrawWireCube(Vector3.zero, Vector3.one, zone.transform, Color.white);
Undo.RecordObject(zone.transform, "PAExclusionZone");
float handleSize = 0.025f;
Vector3[] NewHandlePositions = new Vector3[6];
NewHandlePositions [0] = Handles.Slider(mHandlePositions [0], zone.transform.right, HandleUtility.GetHandleSize(mHandlePositions [0]) * handleSize, Handles.DotCap, 0.1f);
NewHandlePositions [1] = Handles.Slider(mHandlePositions [1], -zone.transform.right, HandleUtility.GetHandleSize(mHandlePositions [1]) * handleSize, Handles.DotCap, 0.1f);
NewHandlePositions [2] = Handles.Slider(mHandlePositions [2], zone.transform.up, HandleUtility.GetHandleSize(mHandlePositions [2]) * handleSize, Handles.DotCap, 0.1f);
NewHandlePositions [3] = Handles.Slider(mHandlePositions [3], -zone.transform.up, HandleUtility.GetHandleSize(mHandlePositions [3]) * handleSize, Handles.DotCap, 0.1f);
NewHandlePositions [4] = Handles.Slider(mHandlePositions [4], zone.transform.forward, HandleUtility.GetHandleSize(mHandlePositions [4]) * handleSize, Handles.DotCap, 0.1f);
NewHandlePositions [5] = Handles.Slider(mHandlePositions [5], -zone.transform.forward, HandleUtility.GetHandleSize(mHandlePositions [5]) * handleSize, Handles.DotCap, 0.1f);
Vector3 Change;
Vector3 Scale = zone.transform.localScale;
Change = NewHandlePositions [0] - mHandlePositions [0];
if (Change.sqrMagnitude != 0.0f)
{
zone.transform.position = Pos + Change * 0.5f;
Scale.x = (zone.transform.position - NewHandlePositions [0]).magnitude * 2.0f;
}
Change = NewHandlePositions [1] - mHandlePositions [1];
if (Change.sqrMagnitude != 0.0f)
{
zone.transform.position = Pos + Change * 0.5f;
Scale.x = (zone.transform.position - NewHandlePositions [1]).magnitude * 2.0f;
}
Change = NewHandlePositions [2] - mHandlePositions [2];
if (Change.sqrMagnitude != 0.0f)
{
zone.transform.position = Pos + Change * 0.5f;
Scale.y = (zone.transform.position - NewHandlePositions [2]).magnitude * 2.0f;
}
Change = NewHandlePositions [3] - mHandlePositions [3];
if (Change.sqrMagnitude != 0.0f)
{
zone.transform.position = Pos + Change * 0.5f;
Scale.y = (zone.transform.position - NewHandlePositions [3]).magnitude * 2.0f;
}
Change = NewHandlePositions [4] - mHandlePositions [4];
if (Change.sqrMagnitude != 0.0f)
{
zone.transform.position = Pos + Change * 0.5f;
Scale.z = (zone.transform.position - NewHandlePositions [4]).magnitude * 2.0f;
}
Change = NewHandlePositions [5] - mHandlePositions [5];
if (Change.sqrMagnitude != 0.0f)
{
zone.transform.position = Pos + Change * 0.5f;
Scale.z = (zone.transform.position - NewHandlePositions [5]).magnitude * 2.0f;
}
if (zone.transform.localScale != Scale)
{
zone.transform.localScale = Scale;
}
}
