1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
# Example of a custom widget that defines it's own geometry.
#
# Usage: Select a light in the 3D view and drag the arrow at it's rear
# to change it's energy value.
#
import bpy
from bpy.types import (
Gizmo,
GizmoGroup,
)
# Coordinates (each one is a triangle).
custom_shape_verts = (
(3.0, 1.0, -1.0), (2.0, 2.0, -1.0), (3.0, 3.0, -1.0),
(1.0, 3.0, 1.0), (3.0, 3.0, -1.0), (1.0, 3.0, -1.0),
(3.0, 3.0, 1.0), (3.0, 1.0, -1.0), (3.0, 3.0, -1.0),
(2.0, 0.0, 1.0), (3.0, 1.0, -1.0), (3.0, 1.0, 1.0),
(2.0, 0.0, -1.0), (2.0, 2.0, 1.0), (2.0, 2.0, -1.0),
(2.0, 2.0, -1.0), (0.0, 2.0, 1.0), (0.0, 2.0, -1.0),
(1.0, 3.0, 1.0), (2.0, 2.0, 1.0), (3.0, 3.0, 1.0),
(0.0, 2.0, -1.0), (1.0, 3.0, 1.0), (1.0, 3.0, -1.0),
(2.0, 2.0, 1.0), (3.0, 1.0, 1.0), (3.0, 3.0, 1.0),
(2.0, 2.0, -1.0), (1.0, 3.0, -1.0), (3.0, 3.0, -1.0),
(-3.0, -1.0, -1.0), (-2.0, -2.0, -1.0), (-3.0, -3.0, -1.0),
(-1.0, -3.0, 1.0), (-3.0, -3.0, -1.0), (-1.0, -3.0, -1.0),
(-3.0, -3.0, 1.0), (-3.0, -1.0, -1.0), (-3.0, -3.0, -1.0),
(-2.0, 0.0, 1.0), (-3.0, -1.0, -1.0), (-3.0, -1.0, 1.0),
(-2.0, 0.0, -1.0), (-2.0, -2.0, 1.0), (-2.0, -2.0, -1.0),
(-2.0, -2.0, -1.0), (0.0, -2.0, 1.0), (0.0, -2.0, -1.0),
(-1.0, -3.0, 1.0), (-2.0, -2.0, 1.0), (-3.0, -3.0, 1.0),
(0.0, -2.0, -1.0), (-1.0, -3.0, 1.0), (-1.0, -3.0, -1.0),
(-2.0, -2.0, 1.0), (-3.0, -1.0, 1.0), (-3.0, -3.0, 1.0),
(-2.0, -2.0, -1.0), (-1.0, -3.0, -1.0), (-3.0, -3.0, -1.0),
(1.0, -1.0, 0.0), (-1.0, -1.0, 0.0), (0.0, 0.0, -5.0),
(-1.0, -1.0, 0.0), (1.0, -1.0, 0.0), (0.0, 0.0, 5.0),
(1.0, -1.0, 0.0), (1.0, 1.0, 0.0), (0.0, 0.0, 5.0),
(1.0, 1.0, 0.0), (-1.0, 1.0, 0.0), (0.0, 0.0, 5.0),
(-1.0, 1.0, 0.0), (-1.0, -1.0, 0.0), (0.0, 0.0, 5.0),
(-1.0, -1.0, 0.0), (-1.0, 1.0, 0.0), (0.0, 0.0, -5.0),
(-1.0, 1.0, 0.0), (1.0, 1.0, 0.0), (0.0, 0.0, -5.0),
(1.0, 1.0, 0.0), (1.0, -1.0, 0.0), (0.0, 0.0, -5.0),
(3.0, 1.0, -1.0), (2.0, 0.0, -1.0), (2.0, 2.0, -1.0),
(1.0, 3.0, 1.0), (3.0, 3.0, 1.0), (3.0, 3.0, -1.0),
(3.0, 3.0, 1.0), (3.0, 1.0, 1.0), (3.0, 1.0, -1.0),
(2.0, 0.0, 1.0), (2.0, 0.0, -1.0), (3.0, 1.0, -1.0),
(2.0, 0.0, -1.0), (2.0, 0.0, 1.0), (2.0, 2.0, 1.0),
(2.0, 2.0, -1.0), (2.0, 2.0, 1.0), (0.0, 2.0, 1.0),
(1.0, 3.0, 1.0), (0.0, 2.0, 1.0), (2.0, 2.0, 1.0),
(0.0, 2.0, -1.0), (0.0, 2.0, 1.0), (1.0, 3.0, 1.0),
(2.0, 2.0, 1.0), (2.0, 0.0, 1.0), (3.0, 1.0, 1.0),
(2.0, 2.0, -1.0), (0.0, 2.0, -1.0), (1.0, 3.0, -1.0),
(-3.0, -1.0, -1.0), (-2.0, 0.0, -1.0), (-2.0, -2.0, -1.0),
(-1.0, -3.0, 1.0), (-3.0, -3.0, 1.0), (-3.0, -3.0, -1.0),
(-3.0, -3.0, 1.0), (-3.0, -1.0, 1.0), (-3.0, -1.0, -1.0),
(-2.0, 0.0, 1.0), (-2.0, 0.0, -1.0), (-3.0, -1.0, -1.0),
(-2.0, 0.0, -1.0), (-2.0, 0.0, 1.0), (-2.0, -2.0, 1.0),
(-2.0, -2.0, -1.0), (-2.0, -2.0, 1.0), (0.0, -2.0, 1.0),
(-1.0, -3.0, 1.0), (0.0, -2.0, 1.0), (-2.0, -2.0, 1.0),
(0.0, -2.0, -1.0), (0.0, -2.0, 1.0), (-1.0, -3.0, 1.0),
(-2.0, -2.0, 1.0), (-2.0, 0.0, 1.0), (-3.0, -1.0, 1.0),
(-2.0, -2.0, -1.0), (0.0, -2.0, -1.0), (-1.0, -3.0, -1.0),
)
class MyCustomShapeWidget(Gizmo):
bl_idname = "VIEW3D_GT_auto_facemap"
bl_target_properties = (
{"id": "offset", "type": 'FLOAT', "array_length": 1},
)
__slots__ = (
"custom_shape",
"init_mouse_y",
"init_value",
)
def _update_offset_matrix(self):
# offset behind the light
self.matrix_offset.col[3][2] = self.target_get_value("offset") / -10.0
def draw(self, context):
self._update_offset_matrix()
self.draw_custom_shape(self.custom_shape)
def draw_select(self, context, select_id):
self._update_offset_matrix()
self.draw_custom_shape(self.custom_shape, select_id=select_id)
def setup(self):
if not hasattr(self, "custom_shape"):
self.custom_shape = self.new_custom_shape('TRIS', custom_shape_verts)
def invoke(self, context, event):
self.init_mouse_y = event.mouse_y
self.init_value = self.target_get_value("offset")
return {'RUNNING_MODAL'}
def exit(self, context, cancel):
context.area.header_text_set("")
if cancel:
self.target_set_value("offset", self.init_value)
def modal(self, context, event, tweak):
delta = (event.mouse_y - self.init_mouse_y) / 10.0
if 'SNAP' in tweak:
delta = round(delta)
if 'PRECISE' in tweak:
delta /= 10.0
value = self.init_value + delta
self.target_set_value("offset", value)
context.area.header_text_set("My Gizmo: %.4f" % value)
return {'RUNNING_MODAL'}
class MyCustomShapeWidgetGroup(GizmoGroup):
bl_idname = "OBJECT_GGT_light_test"
bl_label = "Test Light Widget"
bl_space_type = 'VIEW_3D'
bl_region_type = 'WINDOW'
bl_options = {'3D', 'PERSISTENT'}
@classmethod
def poll(cls, context):
ob = context.object
return (ob and ob.type == 'LIGHT')
def setup(self, context):
# Assign the 'offset' target property to the light energy.
ob = context.object
mpr = self.gizmos.new(MyCustomShapeWidget.bl_idname)
mpr.target_set_prop("offset", ob.data, "energy")
mpr.color = 1.0, 0.5, 1.0
mpr.alpha = 0.5
mpr.color_highlight = 1.0, 1.0, 1.0
mpr.alpha_highlight = 0.5
# units are large, so shrink to something more reasonable.
mpr.scale_basis = 0.1
mpr.use_draw_modal = True
self.energy_widget = mpr
def refresh(self, context):
ob = context.object
mpr = self.energy_widget
mpr.matrix_basis = ob.matrix_world.normalized()
classes = (
MyCustomShapeWidget,
MyCustomShapeWidgetGroup,
)
for cls in classes:
bpy.utils.register_class(cls)
|