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implemented Two Points Mode
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@MehmetHY
MehmetHY committed Sep 14, 2021
1 parent a50a829 commit f5f47d3
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Showing 3 changed files with 50 additions and 18 deletions.
9 changes: 5 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,11 +1,12 @@
# Blender Axis Measure Add-on

A Blender add-on that draws the distance between the two vertices of an edge.
A Blender add-on that draws the distance between the two vertices of an edge or two vertices.

* You need to be in Edit Mode
3D View -> N Panel -> View -> Axis Measure
* You need to be in Edit Mode
* 3D View -> N Panel -> View -> Axis Measure

![Alt text](../screenshots/blender_axis_measure1.png?raw=true "Title")
![Alt text](../screenshots/blender_axis_measure2.png?raw=true "Title")
![Alt text](../screenshots/blender_axis_measure3.png?raw=true "Title")
![Alt text](../screenshots/blender_axis_measure4.png?raw=true "Title")
![Alt text](../screenshots/blender_axis_measure4.png?raw=true "Title")
![Alt text](../screenshots/blender_axis_measure5.png?raw=true "Title")
39 changes: 31 additions & 8 deletions __init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@
def draw_edge_lines_callback(self, context):
bgl.glEnable(bgl.GL_BLEND)
for coord in self._edge_coords:
if bpy.context.scene.axis_measure_props.show_line:
self.draw_edge_line(coord[0], coord[1])
if bpy.context.scene.axis_measure_props.show_x_line:
self.draw_x_line(coord[0], coord[1])
if bpy.context.scene.axis_measure_props.show_y_line:
Expand All @@ -44,7 +46,10 @@ def draw_edge_length_callback(self, context):


class axis_measurement_props(bpy.types.PropertyGroup):
draw_mode: bpy.props.EnumProperty(items=[('Selected Edges', 'Selected Edges', ''), ('Two Points', 'Two Points', '')], name='Mode', description='Selected Edges: Draws all selected edges.\nTwo Points: Draws only when 2 vertices are selected.', default='Selected Edges')

show_length: bpy.props.BoolProperty(name='Show Length', description='Show Length', default=True)
show_line: bpy.props.BoolProperty(name='Show Length Line', description='Show Length Line', default=True)
show_x_length: bpy.props.BoolProperty(name='Show X Value', description='Show X Value', default=True)
show_x_line: bpy.props.BoolProperty(name='Show X Line', description='Show X Line', default=True)
show_y_length: bpy.props.BoolProperty(name='Show Y Value', description='Show Y Value', default=True)
Expand All @@ -54,22 +59,24 @@ class axis_measurement_props(bpy.types.PropertyGroup):

precision: bpy.props.IntProperty(name='Precision', description='Precision of the float value', default=2, min=0, max=15)

length_font_size: bpy.props.IntProperty(name='Length Font Size', description='Length Font Size', default=36, min=12, max=64)
length_font_size: bpy.props.IntProperty(name='Length Font Size', description='Length Font Size', default=36, min=12, max=128)
length_font_color: bpy.props.FloatVectorProperty(name='Length Font Color', description='Length Font Color', size=4, subtype='COLOR', default=(1, 1, 1, 1), min=0, max=1)
length_line_width: bpy.props.IntProperty(name='Length Line Width', description='Length Line Width', default=4, min=1, max=24)
length_line_color: bpy.props.FloatVectorProperty(name='Length Line Color', description='Length Line Color', size=4, subtype='COLOR', default=(1, 1, 1, 1), min=0, max=1)

x_font_size: bpy.props.IntProperty(name='X Font Size', description='X Font Size', default=24, min=8, max=64)
x_font_size: bpy.props.IntProperty(name='X Font Size', description='X Font Size', default=24, min=8, max=128)
x_font_color: bpy.props.FloatVectorProperty(name='X Font Color', description='X Font Color', size=4, subtype='COLOR', default=(1, 0, 0, 1), min=0, max=1)
x_line_width: bpy.props.IntProperty(name='X-Axis Line Width', description='X-Axis Line Width', default=1, min=1, max=12)
x_line_width: bpy.props.IntProperty(name='X-Axis Line Width', description='X-Axis Line Width', default=1, min=1, max=24)
x_line_color: bpy.props.FloatVectorProperty(name='X-Axis Line Color', description='X-Axis Line Color', size=4, subtype='COLOR', default=(1, 0, 0, 1), min=0, max=1)

y_font_size: bpy.props.IntProperty(name='Y Font Size', description='Y Font Size', default=24, min=8, max=64)
y_font_size: bpy.props.IntProperty(name='Y Font Size', description='Y Font Size', default=24, min=8, max=128)
y_font_color: bpy.props.FloatVectorProperty(name='Y Font Color', description='Y Font Color', size=4, subtype='COLOR', default=(0, 1, 0, 1), min=0, max=1)
y_line_width: bpy.props.IntProperty(name='Y-Axis Line Width', description='Y-Axis Line Width', default=1, min=1, max=12)
y_line_width: bpy.props.IntProperty(name='Y-Axis Line Width', description='Y-Axis Line Width', default=1, min=1, max=24)
y_line_color: bpy.props.FloatVectorProperty(name='Y-Axis Line Color', description='Y-Axis Line Color', size=4, subtype='COLOR', default=(0, 1, 0, 1), min=0, max=1)

z_font_size: bpy.props.IntProperty(name='Z Font Size', description='Z Font Size', default=24, min=8, max=64)
z_font_size: bpy.props.IntProperty(name='Z Font Size', description='Z Font Size', default=24, min=8, max=128)
z_font_color: bpy.props.FloatVectorProperty(name='Z Font Color', description='Z Font Color', size=4, subtype='COLOR', default=(0, 0, 1, 1), min=0, max=1)
z_line_width: bpy.props.IntProperty(name='Z-Axis Line Width', description='Z-Axis Line Width', default=1, min=1, max=12)
z_line_width: bpy.props.IntProperty(name='Z-Axis Line Width', description='Z-Axis Line Width', default=1, min=1, max=24)
z_line_color: bpy.props.FloatVectorProperty(name='Z-Axis Line Color', description='Z-Axis Line Color', size=4, subtype='COLOR', default=(0, 0, 1, 1), min=0, max=1)


Expand Down Expand Up @@ -102,10 +109,12 @@ def draw(self, context):

box = layout.box()
box.operator('view3d.axis_measurement', text='Start / Stop')
box.prop(measure_props, 'draw_mode')
box.separator()
box.prop(measure_props, 'precision')
box.separator()
box.prop(measure_props, 'show_length')
box.prop(measure_props, 'show_line')
box.separator()
box.prop(measure_props, 'show_x_length')
box.prop(measure_props, 'show_x_line')
Expand All @@ -129,6 +138,7 @@ def draw(self, context):

box = layout.box()
box.prop(measure_props, 'length_font_size')
box.prop(measure_props, 'length_line_width')
box.separator()
box.prop(measure_props, 'x_font_size')
box.prop(measure_props, 'y_font_size')
Expand All @@ -151,6 +161,7 @@ def draw(self, context):

box = layout.box()
box.prop(measure_props, 'length_font_color')
box.prop(measure_props, 'length_line_color')
box.separator()
box.prop(measure_props, 'x_font_color')
box.prop(measure_props, 'y_font_color')
Expand All @@ -173,8 +184,14 @@ def modal(self, context, event):
return {'FINISHED'}
if bpy.context.object == None or not bpy.context.object.mode == 'EDIT':
self._edge_coords = []
else:
elif bpy.context.scene.axis_measure_props.draw_mode == 'Selected Edges':
self._edge_coords = utils.mesh_get_selected_edges_coords()
elif bpy.context.scene.axis_measure_props.draw_mode == 'Two Points':
self._edge_coords = []
selected_verts = utils.mesh_get_selected_verts_coords()
if len(selected_verts) == 2:
self._edge_coords.append((selected_verts[0], selected_verts[1]))

context.area.tag_redraw()
return {'PASS_THROUGH'}

Expand Down Expand Up @@ -206,6 +223,12 @@ def draw_edge_length(self, start: mathutils.Vector, end: mathutils.Vector):
mid = mathutils.Vector((end + start) / 2.0)
utils.draw_text_3d(format(vector.length, f'.{bpy.context.scene.axis_measure_props.precision}f'), mid, bpy.context.scene.axis_measure_props.length_font_size, bpy.context.scene.axis_measure_props.length_font_color)

def draw_edge_line(self, start: mathutils.Vector, end: mathutils.Vector):
dist = end[0] - start[0]
if dist == 0:
return
utils.draw_line_3d(start, end, bpy.context.scene.axis_measure_props.length_line_width, bpy.context.scene.axis_measure_props.length_line_color)

def draw_x_length(self, start: mathutils.Vector, end: mathutils.Vector):
dist = end[0] - start[0]
if dist == 0:
Expand Down
20 changes: 14 additions & 6 deletions utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,20 +44,16 @@ def mesh_get_active_element():
elem = bm.select_history.active
return elem

def mesh_get_selected_vertices_from_selected_objects(stay_in_edit_mode = False):
mode = bpy.context.object.mode
bpy.ops.object.mode_set(mode='EDIT')
def mesh_get_selected_vertices_from_selected_objects():
objs = [obj for obj in object_get_selected() if obj.mode == 'EDIT']
all_selected_verts = []
objs = object_get_selected()
for obj in objs:
bm = bmesh.from_edit_mesh(obj.data)
elems = []
for vert in bm.verts:
if vert.select:
elems.append(vert)
all_selected_verts.extend(elems)
if not stay_in_edit_mode:
bpy.ops.object.mode_set(mode=mode)
return all_selected_verts

def mesh_get_selected_edges_from_selected_objects(stay_in_edit_mode = False):
Expand Down Expand Up @@ -116,6 +112,18 @@ def mesh_get_selected_edges_coords():

return coords

def mesh_get_selected_verts_coords():
objs = [obj for obj in object_get_selected() if obj.mode == 'EDIT']
coords = []
for obj in objs:
bm = bmesh.from_edit_mesh(obj.data)
for vert in bm.verts:
if vert.select:
coord = mathutils.Vector((vert.co[0], vert.co[1], vert.co[2]))
coord = obj.matrix_world @ coord
coords.append(coord)
return coords


# Draw

Expand Down

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