Weapon Reticle:  Blender MultiTexture Materials



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11.  Map Input:  UV

Buttons Window menu >> Shading (F5) >> Material buttons
Map Input tab
UV button
UV name

   
12.  Map To tab:  Enable Col button

Buttons Window menu >> Shading (F5) >> Material buttons
Map To tab
Enable Col button

   
13.  Scale plane holding Weapon Reticle

Plane selected:  Edit mode

Camera View
3D View menu >> View >> Camera
or
NumPad 0

Scale plane
S key
or
3D View menu >> Mesh >> Transform >> Scale

 
   
14.  Add a Sensor

Note:
For this example I'm attaching the sensor/controller/actuator to the active camera. 

Note:
For this example I'm using the Keyboard Sensor to add the overlay scene (HUD)

Main Scene:  Active Camera

Buttons Window menu >> Logic (F4)
Sensors
Add
Keyboard 
Spacebar

 


 
 
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