private void DrawSlider(BoxSurface surface)
{
Handles.color = INTERACTABLE_COLOR;
EditorGUI.BeginChangeCheck();
Vector3 rightDir = surface.Rotation * Vector3.right;
Vector3 forwardDir = surface.Rotation * Vector3.forward;
Vector3 bottomRight = surface.transform.position
+ rightDir * surface.Size.x * (surface.WidthOffset);
Vector3 bottomLeft = surface.transform.position
- rightDir * surface.Size.x * (1f - surface.WidthOffset);
Vector3 topRight = bottomRight + forwardDir * surface.Size.z;
Vector3 rightHandle = DrawOffsetHandle(bottomRight + rightDir * surface.SnapOffset.x, rightDir);
Vector3 leftHandle = DrawOffsetHandle(bottomLeft + rightDir * surface.SnapOffset.y, -rightDir);
Vector3 topHandle = DrawOffsetHandle(topRight + forwardDir * surface.SnapOffset.z, forwardDir);
Vector3 bottomHandle = DrawOffsetHandle(bottomRight + forwardDir * surface.SnapOffset.w, -forwardDir);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(surface, "Change Offset Box");
Vector4 offset = surface.SnapOffset;
offset.x = DistanceToHandle(bottomRight, rightHandle, rightDir);
offset.y = DistanceToHandle(bottomLeft, leftHandle, rightDir);
offset.z = DistanceToHandle(topRight, topHandle, forwardDir);
offset.w = DistanceToHandle(bottomRight, bottomHandle, forwardDir);
surface.SnapOffset = offset;
}
}
private void DrawBoxEditor(BoxSurface surface)
{
Quaternion rot = surface.Rotation;
Vector3 size = surface.Size;
Vector3 snapP = surface.transform.position;
boxHandle.size = size;
float widthPos = Mathf.Lerp(-size.x * 0.5f, size.x * 0.5f, surface.WidthOffset);
boxHandle.center = new Vector3(widthPos, 0f, size.z * 0.5f);
Matrix4x4 handleMatrix = Matrix4x4.TRS(
snapP,
rot,
Vector3.one
);
using (new Handles.DrawingScope(handleMatrix))
{
EditorGUI.BeginChangeCheck();
boxHandle.DrawHandle();
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(surface, "Change Box Properties");
surface.Size = boxHandle.size;
float width = boxHandle.size.x;
surface.WidthOffset = width != 0f ? (boxHandle.center.x + width * 0.5f) / width : 0f;
}
}
}
private void OnEnable()
{
_boxHandle.handleColor = EditorConstants.PRIMARY_COLOR;
_boxHandle.wireframeColor = EditorConstants.PRIMARY_COLOR_DISABLED;
_boxHandle.axes = PrimitiveBoundsHandle.Axes.X | PrimitiveBoundsHandle.Axes.Z;
_surface = (target as BoxSurface);
}
private void DrawRotator(BoxSurface surface)
{
EditorGUI.BeginChangeCheck();
Quaternion rotation = Handles.RotationHandle(surface.Rotation, surface.transform.position);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(surface, "Change Rotation Box");
surface.Rotation = rotation;
}
}
public void OnSceneGUI()
{
BoxSurface surface = (target as BoxSurface);
DrawRotator(surface);
DrawBoxEditor(surface);
DrawSlider(surface);
if (Event.current.type == EventType.Repaint)
{
DrawSnapLines(surface);
}
}
private void DrawSnapLines(BoxSurface surface)
{
Handles.color = INTERACTABLE_COLOR;
Vector3 rightRot = surface.Rotation * Vector3.right;
Vector3 forwardRot = surface.Rotation * Vector3.forward;
Vector3 forwardOffset = forwardRot * surface.Size.z;
Vector3 bottomLeft = surface.transform.position - rightRot * surface.Size.x * (1f - surface.WidthOffset);
Vector3 bottomRight = surface.transform.position + rightRot * surface.Size.x * (surface.WidthOffset);
Vector3 topLeft = bottomLeft + forwardOffset;
Vector3 topRight = bottomRight + forwardOffset;
Handles.DrawLine(bottomLeft + rightRot * surface.SnapOffset.y, bottomRight + rightRot * surface.SnapOffset.x);
Handles.DrawLine(topLeft - rightRot * surface.SnapOffset.x, topRight - rightRot * surface.SnapOffset.y);
Handles.DrawLine(bottomLeft - forwardRot * surface.SnapOffset.z, topLeft - forwardRot * surface.SnapOffset.w);
Handles.DrawLine(bottomRight + forwardRot * surface.SnapOffset.w, topRight + forwardRot * surface.SnapOffset.z);
}