void OnSceneGUI()
{
if (uvModifier == null)
{
uvModifier = (SVGUVModifier)target;
if (uvModifier == null)
{
return;
}
}
if (!uvModifier.enabled)
{
return;
}
if (uvModifier.svgTransform == null)
{
return;
}
var e = Event.current;
if (e.type == EventType.ValidateCommand && e.commandName == "FrameSelected")
{
e.Use();
}
SVGTransform2D trs = new SVGTransform2D(uvModifier.svgTransform);
if (_editMode)
{
if (!uvModifier.worldSpace)
{
trs = SVGTransform2D.DecomposeMatrix(uvModifier.transform.localToWorldMatrix * uvModifier.svgTransform.matrix);
}
SVGHandles.TransformHandle(trs);
if (!uvModifier.worldSpace)
{
trs = SVGTransform2D.DecomposeMatrix(uvModifier.transform.worldToLocalMatrix * uvModifier.svgTransform.matrix);
}
}
if (!trs.Compare(uvModifier.svgTransform))
{
Undo.RecordObject(target, "SVG UV Modify");
uvModifier.svgTransform.SetTransform(trs);
EditorUtility.SetDirty(target);
GUI.changed = true;
}
if (Event.current.type == EventType.ExecuteCommand)
{
if (Event.current.commandName == "UndoRedoPerformed")
{
Repaint();
SceneView.RepaintAll();
}
}
}
protected virtual void PrepareForRendering(Mesh sharedMesh, bool force)
{
if (sharedMesh == null)
{
return;
}
int vertexCount = sharedMesh.vertexCount;
tempTransform.SetTransform(svgTransform);
if (worldSpace)
{
tempTransform = SVGTransform2D.DecomposeMatrix(transform.worldToLocalMatrix * svgTransform.matrix);
}
Quaternion rotation = Quaternion.Euler(0f, 0f, -tempTransform.rotation);
Vector2 scale = new Vector2((tempTransform.scale.x == 0f) ? 0f : 1f / tempTransform.scale.x,
(tempTransform.scale.y == 0f) ? 0f : 1f / tempTransform.scale.y);
Vector3[] vertices = sharedMesh.vertices;
Vector2[] uv = sharedMesh.uv;
if (uv == null || uv.Length != vertices.Length)
{
uv = new Vector2[vertices.Length];
}
for (int i = 0; i < vertexCount; i++)
{
uv[i].x = -vertices[i].x + tempTransform.position.x;
uv[i].y = -vertices[i].y + tempTransform.position.y;
uv[i] = rotation * uv[i];
uv[i].x *= scale.x;
uv[i].y *= scale.y;
uv[i].x += 0.5f;
uv[i].y += 0.5f;
}
sharedMesh.uv = uv;
lastMatrix = svgTransform.matrix;
}
protected virtual void PrepareForRendering (Mesh sharedMesh, bool force) {
if(sharedMesh == null) return;
int vertexCount = sharedMesh.vertexCount;
tempTransform.SetTransform(svgTransform);
if(worldSpace)
{
tempTransform = SVGTransform2D.DecomposeMatrix(transform.worldToLocalMatrix * svgTransform.matrix);
}
Quaternion rotation = Quaternion.Euler(0f, 0f, -tempTransform.rotation);
Vector2 scale = new Vector2((tempTransform.scale.x == 0f) ? 0f : 1f / tempTransform.scale.x,
(tempTransform.scale.y == 0f) ? 0f : 1f / tempTransform.scale.y);
Vector3[] vertices = sharedMesh.vertices;
Vector2[] uv = sharedMesh.uv;
if(uv == null || uv.Length != vertices.Length) uv = new Vector2[vertices.Length];
for (int i = 0; i < vertexCount; i++)
{
uv[i].x = -vertices[i].x + tempTransform.position.x;
uv[i].y = -vertices[i].y + tempTransform.position.y;
uv[i] = rotation * uv[i];
uv[i].x *= scale.x;
uv[i].y *= scale.y;
uv[i].x += 0.5f;
uv[i].y += 0.5f;
}
sharedMesh.uv = uv;
lastMatrix = svgTransform.matrix;
}
