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The Beam Emitter is a component that projects an optical (laser) beam , used for detecting objects. It is used in conjunction with a Beam Receiver and/or a Beam Reflector.
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A Beam Emitter projecting its beam onto a Beam Receiver (left) and a Beam Reflector (right).
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Where to find
The Beam Emitter Physical and Logic components can be found under Standard Components > Beam Sensor > Emitter.
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It can be accessed from the GameObject menu as well as from or the Hierarchy Context menu.
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A new GameObject will be created if you do not have a GameObject selected . Otherwiseor otherwise, the Beam Emitter will be added to the selected GameObject. |
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Feature layout
Physical Component
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Live Data | |
State | Shows whether the Beam Emitter is currently active and thus whether it will emit a beam. |
Redirection Limit Reached | Shows whether the maximum number of redirections has have been reached. |
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Properties | |
Reach | The maximum distance the beam is allowed to travel. |
Origin Offset | Allows the beam to originate from an offset position relative to its GameObject position. |
Origin Direction | Allows the beam to be rotated relative to its GameObject rotation. |
Max Number of Redirections | The maximum amount of redirections from Beam Reflectors allowed. Lowering , lowering this value improves performance. |
Beam Material | The material used to render this beam. If no material is used, a Gizmo will be drawn instead. |
Beam Radius | The radius by which this beam will be drawn with if a material is used. |
Use Origin Gizmo | When selected, shows a gizmo for the origin position and the origin direction of the beam. |
Origin Gizmo Size | The size of the gizmo shown in Scene View. |
Use Beam Gizmo | When selected, draws a gizmo for the beam if no material has been set. |
Beam Color | The color the beam gizmo will be drawn in. |
Beam Excess Color | The color of the beam excess will be drawn in (after reaching its Max Number of Redirections). |
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Control Panel | |
Generate Control Panel for BeamEmitter | Click this button to generate a Control Panel for the Beam Emitter. |
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Logic Component
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Properties | |
Beam Emitter | The Phyisical Beam Emitter component attached to this Logic component. |
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PLC I/O | In the PLC I/O panel you can see the latest input and output values from the PLC. |
PLC settings and Debugging
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Assign a Beam Emitter physical component to a GameObject, or create a new one directly from the menu.
Select the desired settings under the Properties tab.
In order to detect objects passing through the beam, a Beam Receiver must also be created.
Direct the beam at the Beam Receiver.
Objects with a Collider will interrupt the beam, changing the signal value of the Beam Receiver.