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Implemented handle selection types.

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Relintai 2022-01-25 18:01:55 +01:00
parent 0cf7be7fc7
commit 06f1785695
1 changed files with 47 additions and 1 deletions
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48
game/addons/mesh_data_resource_editor/MIDGizmo.gd
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@ -207,6 +207,7 @@ func select_all() -> void:
redraw()
func selection_click(index, camera, event) -> bool:
if handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_FRONT:
return selection_click_select_front_or_back(index, camera, event)
@ -217,6 +218,32 @@ func selection_click(index, camera, event) -> bool:
return false
func is_point_visible(point_orig : Vector3, camera_pos : Vector3, gt : Transform) -> bool:
var point : Vector3 = gt.xform(point_orig)
# go from the given point to the origin (camera_pos -> camera)
var dir : Vector3 = camera_pos - point
dir = dir.normalized()
# Might need to reduce z fighting
#point += dir * 0.5
for i in range(0, _indices.size(), 3):
var i0 : int = _indices[i]
var i1 : int = _indices[i + 1]
var i2 : int = _indices[i + 2]
var v0 : Vector3 = _vertices[i0]
var v1 : Vector3 = _vertices[i1]
var v2 : Vector3 = _vertices[i2]
var res = Geometry.ray_intersects_triangle(point, dir, v0, v1, v2)
if res is Vector3:
return false
return true
func selection_click_select_front_or_back(index, camera, event):
var gt : Transform = get_spatial_node().global_transform
var ray_from : Vector3 = camera.global_transform.origin
@ -234,6 +261,15 @@ func selection_click_select_front_or_back(index, camera, event):
var dist_2d : float = gpoint.distance_to(vert_pos_2d)
if (dist_2d < grab_threshold && dist_3d < closest_dist):
var point_visible : bool = is_point_visible(_handle_points[i], ray_from, gt)
if handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_FRONT:
if !point_visible:
continue
elif handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_BACK:
if point_visible:
continue
closest_dist = dist_3d
closest_idx = i
@ -329,13 +365,14 @@ func selection_click_select_through(index, camera, event):
func selection_drag(index, camera, event) -> void:
if handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_FRONT:
selection_drag_rect_select_front_back(index, camera, event)
elif handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_FRONT:
elif handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_BACK:
selection_drag_rect_select_front_back(index, camera, event)
else:
selection_drag_rect_select_through(index, camera, event)
func selection_drag_rect_select_front_back(index, camera, event):
var gt : Transform = get_spatial_node().global_transform
var ray_from : Vector3 = camera.global_transform.origin
var mouse_pos : Vector2 = event.get_position()
var rect_size : Vector2 = _rect_drag_start_point - mouse_pos
@ -360,6 +397,15 @@ func selection_drag_rect_select_front_back(index, camera, event):
var vert_pos_2d : Vector2 = camera.unproject_position(vert_pos_3d)
if rect.has_point(vert_pos_2d):
var point_visible : bool = is_point_visible(_handle_points[i], ray_from, gt)
if handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_FRONT:
if !point_visible:
continue
elif handle_selection_type == HandleSelectionType.HANDLE_SELECTION_TYPE_BACK:
if point_visible:
continue
selected.push_back(i)
if event.alt || event.control: