internal static Vector3 DoPlanarHandle(PrincipleAxis2 planeID, Vector3 position, Quaternion rotation, float handleSize, bool snapping, Vector3[] snapVertices, CSGHandles.InitFunction initFunction, InitFunction shutdownFunction = null)
{
int moveHandleHash = 0;
switch (planeID)
{
case PrincipleAxis2.XZ:
{
moveHandleHash = s_xzAxisMoveHandleHash;
break;
}
case PrincipleAxis2.XY:
{
moveHandleHash = s_xyAxisMoveHandleHash;
break;
}
case PrincipleAxis2.YZ:
{
moveHandleHash = s_yzAxisMoveHandleHash;
break;
}
}
int id = GUIUtility.GetControlID(moveHandleHash, FocusType.Keyboard);
return(DoPlanarHandle(id, planeID, position, rotation, handleSize, snapping, snapVertices, initFunction, shutdownFunction));
}
internal static Vector3 DoPlanarHandle(int id, PrincipleAxis2 planeID, Vector3 position, Quaternion rotation, float handleSize, bool snapping, Vector3[] snapVertices, CSGHandles.InitFunction initFunction, InitFunction shutdownFunction = null)
{
int axis1index = 0;
int axis2index = 0;
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && ContainsStatic(Selection.gameObjects));
switch (planeID)
{
case PrincipleAxis2.XZ:
{
axis1index = 0;
axis2index = 2;
Handles.color = isStatic? staticColor : Handles.yAxisColor;
break;
}
case PrincipleAxis2.XY:
{
axis1index = 0;
axis2index = 1;
Handles.color = isStatic? staticColor : Handles.zAxisColor;
break;
}
case PrincipleAxis2.YZ:
{
axis1index = 1;
axis2index = 2;
Handles.color = isStatic? staticColor : Handles.xAxisColor;
break;
}
}
int axisNormalIndex = 3 - axis2index - axis1index;
var prevColor = Handles.color;
var handleTransform = Matrix4x4.TRS(position, rotation, Vector3.one);
var sceneView = SceneView.currentDrawingSceneView;
var cameraToTransformToolVector = handleTransform.inverse.MultiplyPoint(sceneView.camera.transform.position).normalized;
if (Mathf.Abs(cameraToTransformToolVector[axisNormalIndex]) < 0.05f && GUIUtility.hotControl != id)
{
Handles.color = prevColor;
return(position);
}
if (EditorGUIUtility.hotControl == 0)
{
s_PlanarHandlesOctant[axis1index] = (cameraToTransformToolVector[axis1index] < -0.01f ? -1 : 1);
s_PlanarHandlesOctant[axis2index] = (cameraToTransformToolVector[axis2index] < -0.01f ? -1 : 1);
}
var handleOffset = s_PlanarHandlesOctant;
handleOffset[axisNormalIndex] = 0;
handleOffset = rotation * (handleOffset * handleSize * 0.5f);
var axis1 = Vector3.zero;
var axis2 = Vector3.zero;
var axisNormal = Vector3.zero;
axis1[axis1index] = 1;
axis2[axis2index] = 1;
axisNormal[axisNormalIndex] = 1;
axis1 = rotation * axis1;
axis2 = rotation * axis2;
axisNormal = rotation * axisNormal;
s_Vertices[0] = position + handleOffset + (axis1 + axis2) * handleSize * 0.5f;
s_Vertices[1] = position + handleOffset + (-axis1 + axis2) * handleSize * 0.5f;
s_Vertices[2] = position + handleOffset + (-axis1 - axis2) * handleSize * 0.5f;
s_Vertices[3] = position + handleOffset + (axis1 - axis2) * handleSize * 0.5f;
var innerColor = Handles.color;
var outerColor = Color.black;
innerColor = new Color(innerColor.r, innerColor.g, innerColor.b, 0.1f);
if (CSGHandles.disabled)
{
innerColor = Handles.secondaryColor;
outerColor = innerColor;
}
Handles.DrawSolidRectangleWithOutline(s_Vertices, innerColor, outerColor);
position = Slider2D(id, position, handleOffset, axisNormal, axis1, axis2, handleSize * 0.5f, RectangleHandleCap, snapping, snapVertices, initFunction, shutdownFunction);
Handles.color = prevColor;
return(position);
}
