105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
#!BPY
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"""
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Name: 'Camera/Object Example'
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Blender: 245
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Group: 'ScriptTemplate'
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Tooltip: 'Script template for setting the camera direction'
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"""
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from Blender import Window
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import bpy
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script_data = \
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'''#!BPY
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"""
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Name: 'My Camera script'
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Blender: 245
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Group: 'Object'
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Tooltip: 'Rotate the camera to center on the active object'
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"""
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import Blender
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from Blender import Window, Scene, Draw, Mathutils
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# Rotate the camera in such a way that it centers on the currently active object
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def RotCamToOb(cam, ob):
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# Get the camera matrix
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camMat = cam.getMatrix('worldspace');
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# Get the location of the camera and object and make sure they're vectors
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camLoc = Mathutils.Vector(cam.loc)
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obLoc = Mathutils.Vector(ob.loc)
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# Get the vector (direction) from the camera to the object
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newVec = obLoc - camLoc
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# Make a quaternion that points the camera along the vector
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newQuat = newVec.toTrackQuat('-z', 'y')
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# Convert the new quaternion to a rotation matrix (and resize it to 4x4 so it matches the other matrices)
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rotMat = newQuat.toMatrix().resize4x4()
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# Make a matrix with only the current location of the camera
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transMat = Mathutils.TranslationMatrix(camMat.translationPart());
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# Multiply the rotation and translation matrixes to make 1 matrix with all data
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newMat = rotMat * transMat
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# Now we make this matrix the camera matrix and voila done!
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cam.setMatrix(newMat)
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#Make sure blender and the objects are in the right state and start doing stuff
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def SceneCheck():
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# Show a neat waitcursor whilst the script runs
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Window.WaitCursor(1)
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# If we are in edit mode, go out of edit mode and store the status in a var
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emode = int(Window.EditMode())
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if emode: Window.EditMode(0)
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# Get the scene, the camera and the currently active object
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scn = Scene.GetCurrent()
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cam = scn.getCurrentCamera()
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ob = scn.getActiveObject()
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# Lets do some checks to make sure we have everything
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# And if we don't then call a return which stops the entire script
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if not cam:
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Draw.PupMenu('Error, no active camera, aborting.')
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return
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if not ob:
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Draw.PupMenu('Error, no active object, aborting.')
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return
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if cam == ob:
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Draw.PupMenu('Error, select an object other than the camera, aborting.')
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return
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# Start the main function of the script if we didn't encounter any errors
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RotCamToOb(cam, ob)
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# Update the scene
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scn.update()
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# Redraw the 3d view so we can instantly see what was changed
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Window.Redraw(Window.Types.VIEW3D)
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# If we were in edit mode when the script started, go back into edit mode
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if emode: Window.EditMode(1)
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# Remove the waitcursor
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Window.WaitCursor(0)
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# Start the script
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SceneCheck()
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'''
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new_text = bpy.data.texts.new('camobject_template.py')
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new_text.write(script_data)
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bpy.data.texts.active = new_text
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Window.RedrawAll()
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