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base_actions.Action --+ | base_actions.IntervalAction --+ | Camera3DAction --+ | OrbitCameraOrbits the camera around the center of the screen using spherical coordinates
init(self,
radius=None,
delta_radius=0,
angle_z=None,
delta_z=0,
angle_x=None,
delta_x=0,
*args,
**kw)
Initialize the camera with spherical coordinates
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start(self)
External code sets self.target and then calls this method.
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( radius, zenith, azimuth ) |
get_spherical_coords(self)
returns the spherical coordinates from a cartesian coordinates
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update(self,
t)
Gets called on every frame
't' is the time elapsed normalized to [0, 1]
If this action takes 5 seconds to execute,
t will be equal to 0
at 0 seconds. |
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__add__(self,
action)
sequence operator - concatenates actions
action1 + action2 -> action_result
where action_result performs as:
first do all that action1 would do; then
perform all that action2 would do
(Inherited from cocos.actions.base_actions.Action)
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__init__(self,
*args,
**kwargs)
dont override - use init
(Inherited from cocos.actions.base_actions.Action)
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__mul__(self,
other)
repeats ntimes the action
action * n -> action_result
where action result performs as:
repeat n times the changes that action would do
(Inherited from cocos.actions.base_actions.IntervalAction)
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__or__(self,
action)
spawn operator - runs two actions in parallel
action1 | action2 -> action_result
(Inherited from cocos.actions.base_actions.Action)
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__reversed__(self) (Inherited from cocos.actions.camera_actions.Camera3DAction) | |
done(self)
When in the worker role, this method is reliable.
(Inherited from cocos.actions.base_actions.IntervalAction)
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step(self,
dt)
Dont customize this method: it will not be called when in the component
role for certain composite actions (like Sequence_IntervalAction).
(Inherited from cocos.actions.base_actions.IntervalAction)
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stop(self)
When the action must cease to perform this function is called by
external code; after this call no other method should be called.
(Inherited from cocos.actions.base_actions.Action)
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target
CocosNode object that is the target of the action
(Inherited from cocos.actions.base_actions.Action)
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Initialize the camera with spherical coordinates
returns the spherical coordinates from a cartesian coordinates
using this formula:
t
will be equal to 0
at 0 seconds. t
will be 0.5 at 2.5 seconds and t
will be 1 at 5sec.
This method must not use self._elapsed, which is not guaranted to be
updated.
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