add_Camera 28x.py

bl_info = {
    "name": "Add Camera to View",
    "author": "SayPRODUCTIONS",
    "version": (1, 0),
    "blender": (2, 80, 0),
    "location": "View3D > Add > Camera > Camera to View",
    "description": "Add Camera to View",
    "warning": "",
    "wiki_url": "",
    "category": "Camera",
}

import bpy
from bpy.types import Operator
from bpy_extras.object_utils import AddObjectHelper, object_data_add


def CamToView(self, context):
    # --------------------------------------------------------
    def camera_position(matrix):
        t = (matrix[0][3], matrix[1][3], matrix[2][3])
        r = ((matrix[0][0], matrix[0][1], matrix[0][2]),
             (matrix[1][0], matrix[1][1], matrix[1][2]),
             (matrix[2][0], matrix[2][1], matrix[2][2]))

        rp = ((-r[0][0], -r[1][0], -r[2][0]),
              (-r[0][1], -r[1][1], -r[2][1]),
              (-r[0][2], -r[1][2], -r[2][2]))

        output = (rp[0][0] * t[0] + rp[0][1] * t[1] + rp[0][2] * t[2],
                  rp[1][0] * t[0] + rp[1][1] * t[1] + rp[1][2] * t[2],
                  rp[2][0] * t[0] + rp[2][1] * t[1] + rp[2][2] * t[2])
        return output

    for v in bpy.context.window.screen.areas:
        if v.type == 'VIEW_3D':
            L = v.spaces[0].region_3d.view_location
            M = v.spaces[0].region_3d.view_matrix
            R = v.spaces[0].region_3d.view_rotation
            P = camera_position(M)

            cam = bpy.data.cameras.new("Camera")
            cam_ob = bpy.data.objects.new("Camera", cam)
            bpy.context.scene.collection.objects.link(cam_ob)

            bpy.context.scene.camera = cam_ob

            cam_ob.location = P
            cam_ob.rotation_mode = 'QUATERNION'
            cam_ob.rotation_quaternion = R
            cam_ob.rotation_mode = 'XYZ'

            v.spaces[0].region_3d.view_perspective = 'CAMERA'
    # --------------------------------------------------------


class OBJECT_OT_cam2view(Operator, AddObjectHelper):
    bl_idname = "add.cam2view"
    bl_label = "Camera to View"
    bl_options = {'REGISTER', 'UNDO'}

    def execute(self, context):
        CamToView(self, context)
        return {'FINISHED'}


# - Registration
def cam2view(self, context):
    self.layout.operator(OBJECT_OT_cam2view.bl_idname, text="Add Camera to View", icon='OUTLINER_DATA_CAMERA')


def register(): bpy.utils.register_class(OBJECT_OT_cam2view);bpy.types.VIEW3D_MT_camera_add.append(cam2view)


def unregister(): bpy.utils.unregister_class(OBJECT_OT_cam2view);bpy.types.VIEW3D_MT_camera_add.remove(cam2view)


if __name__ == "__main__":
    register()