Breakable Glass

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breakable glass samples in the hammer
  1. Create a brush where you want the glass to be, using the nodraw texture. Like real glass, it should be very thin (No more than 3 units thick under normal circumstances).
  2. Apply a nice-looking glass texture to one face (not on both sides). Make sure you use glass/glasswindowbreak070a. Don’t use glass/glasswindowbreak070b. ALL OTHER FACES MUST BE tools/toolsnodraw! IF NOT, IT WILL NOT BE SPAWNED IN-GAME!
  3. Select the brush and click the "Entity" button in the object toolbar. Choose func_breakable_surf in the drop-down list. (If you want the glass to completely shatter all at once, choose func_breakable instead.)
  4. Go to the Material Type keyvalue and select Glass.
  5. Optional: Add an env_cubemap to the surface of the glass texture.
Note.png Note: You can apply your texture to just one side of the brush entity by opening the Hammer Face Edit Dialog, ensuring the Mode is set to Select or Lift + Select, and clicking once in the 3D view on the face you want to apply the texture to. Then, select a material with either the drop down box or the browse button, and click apply.

func_breakable Has the effect of breaking all the glass (see picture)

func_breakable_surf Has the effect of partially breaking the glass (see picture)

See Also