private void DrawLine(ICurvedPlane curvedPlane, float bottom, float top, float deg)
{
Vector3 forward = Quaternion.Euler(0, curvedPlane.Rotation + deg, 0) *
Vector3.forward * curvedPlane.Cylinder.Radius;
Vector3 p1 = curvedPlane.Cylinder.transform.TransformPoint((Vector3.up * bottom) + forward);
Vector3 p2 = curvedPlane.Cylinder.transform.TransformPoint((Vector3.up * top) + forward);
#if UNITY_2020_2_OR_NEWER
Handles.DrawLine(p1, p2, EditorConstants.LINE_THICKNESS);
#else
Handles.DrawLine(p1, p2);
#endif
}
private void DrawArc(ICurvedPlane curvedPlane, float y)
{
Vector3 center = curvedPlane.Cylinder.transform.TransformPoint(new Vector3(0, y, 0));
Vector3 forward = curvedPlane.Cylinder.transform.TransformDirection(
Quaternion.Euler(0, curvedPlane.Rotation - curvedPlane.ArcDegrees / 2, 0) *
Vector3.forward);
Handles.DrawWireArc(center,
curvedPlane.Cylinder.transform.up,
forward,
curvedPlane.ArcDegrees,
curvedPlane.Cylinder.Radius * curvedPlane.Cylinder.transform.lossyScale.z
#if UNITY_2020_2_OR_NEWER
, EditorConstants.LINE_THICKNESS
#endif
);
}
public void OnSceneGUI()
{
ICurvedPlane curvedPlane = _curvedPlaneProperty.objectReferenceValue as ICurvedPlane;
if (curvedPlane == null)
{
curvedPlane = target as ICurvedPlane;
}
if (curvedPlane.Cylinder == null ||
curvedPlane.ArcDegrees <= 0f)
{
return;
}
Handles.color = EditorConstants.PRIMARY_COLOR;
// Handle infinite height using scene camera Y
float top, bottom;
if (curvedPlane.Top <= curvedPlane.Bottom)
{
if (SceneView.lastActiveSceneView != null &&
SceneView.lastActiveSceneView.camera != null)
{
Vector3 cameraPos =
curvedPlane.Cylinder.transform.InverseTransformPoint(
SceneView.lastActiveSceneView.camera.transform.position);
bottom = cameraPos.y - 10;
top = cameraPos.y + 10;
}
else
{
bottom = -30;
top = 30;
}
}
else
{
bottom = curvedPlane.Bottom;
top = curvedPlane.Top;
}
float height = top - bottom;
float width = curvedPlane.ArcDegrees * Mathf.Deg2Rad * curvedPlane.Cylinder.Radius;
int verticalSegments = Mathf.Max(2, Mathf.CeilToInt(SEGMENTS_PER_UNIT * height));
int horizontalSegments = Mathf.Max(2, Mathf.FloorToInt(SEGMENTS_PER_UNIT * width));
for (int v = 0; v <= verticalSegments; ++v)
{
float y = Mathf.Lerp(bottom, top, (float)v / verticalSegments);
DrawArc(curvedPlane, y);
}
for (int h = 0; h <= horizontalSegments; ++h)
{
float x = Mathf.Lerp(-curvedPlane.ArcDegrees / 2,
curvedPlane.ArcDegrees / 2,
(float)h / horizontalSegments);
DrawLine(curvedPlane, bottom, top, x);
}
}